From: Nils Larsch <nils@openssl.org>
Date: Fri, 10 Mar 2006 23:06:27 +0000 (+0000)
Subject: add initial support for RFC 4279 PSK SSL ciphersuites
X-Git-Tag: OpenSSL_0_9_8k^2~1523
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ddac197404f585b8da58df794fc3beb9d08e8cd2;p=openssl
add initial support for RFC 4279 PSK SSL ciphersuites
PR: 1191
Submitted by: Mika Kousa and Pasi Eronen of Nokia Corporation
Reviewed by: Nils Larsch
---
diff --git a/CHANGES b/CHANGES
index 9884a479db..807338d5a4 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,22 @@
Changes between 0.9.8a and 0.9.9 [xx XXX xxxx]
+ *) Add initial support for RFC 4279 PSK TLS ciphersuites. Add members
+ for the psk identity [hint] and the psk callback functions to the
+ SSL_SESSION, SSL and SSL_CTX structure.
+
+ New ciphersuites:
+ PSK-RC4-SHA, PSK-3DES-EDE-CBC-SHA, PSK-AES128-CBC-SHA,
+ PSK-AES256-CBC-SHA
+
+ New functions:
+ SSL_CTX_use_psk_identity_hint
+ SSL_get_psk_identity_hint
+ SSL_get_psk_identity
+ SSL_use_psk_identity_hint
+
+ [Mika Kousa and Pasi Eronen of Nokia Corporation]
+
*) Add RFC 3161 compliant time stamp request creation, response generation
and response verification functionality.
[Zoltán Glózik <zglozik@opentsa.org>, The OpenTSA Project]
diff --git a/apps/s_client.c b/apps/s_client.c
index 50e27a0732..138aa3126b 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -108,8 +108,35 @@
* Hudson (tjh@cryptsoft.com).
*
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <assert.h>
+#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -171,6 +198,69 @@ static BIO *bio_c_out=NULL;
static int c_quiet=0;
static int c_ign_eof=0;
+#ifndef OPENSSL_NO_PSK
+/* Default PSK identity and key */
+static char *psk_identity="Client_identity";
+static char *psk_key=NULL; /* by default PSK is not used */
+
+static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
+ unsigned int max_identity_len, unsigned char *psk,
+ unsigned int max_psk_len)
+ {
+ unsigned int psk_len = 0;
+ int ret;
+ BIGNUM *bn=NULL;
+
+ if (c_debug)
+ BIO_printf(bio_c_out, "psk_client_cb\n");
+ if (!hint)
+ {
+ /* no ServerKeyExchange message*/
+ if (c_debug)
+ BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
+ }
+ else if (c_debug)
+ BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
+
+ /* lookup PSK identity and PSK key based on the given identity hint here */
+ ret = snprintf(identity, max_identity_len, psk_identity);
+ if (ret < 0 || ret > max_identity_len)
+ goto out_err;
+ if (c_debug)
+ BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
+ ret=BN_hex2bn(&bn, psk_key);
+ if (!ret)
+ {
+ BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
+ if (bn)
+ BN_free(bn);
+ return 0;
+ }
+
+ if (BN_num_bytes(bn) > max_psk_len)
+ {
+ BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
+ max_psk_len, BN_num_bytes(bn));
+ BN_free(bn);
+ return 0;
+ }
+
+ psk_len=BN_bn2bin(bn, psk);
+ BN_free(bn);
+ if (psk_len == 0)
+ goto out_err;
+
+ if (c_debug)
+ BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
+
+ return psk_len;
+ out_err:
+ if (c_debug)
+ BIO_printf(bio_err, "Error in PSK client callback\n");
+ return 0;
+ }
+#endif
+
static void sc_usage(void)
{
BIO_printf(bio_err,"usage: s_client args\n");
@@ -204,6 +294,10 @@ static void sc_usage(void)
BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
BIO_printf(bio_err," -quiet - no s_client output\n");
BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
+#ifndef OPENSSL_NO_PSK
+ BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
+ BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
+#endif
BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
BIO_printf(bio_err," -tls1 - just use TLSv1\n");
@@ -404,6 +498,27 @@ int MAIN(int argc, char **argv)
nbio_test=1;
else if (strcmp(*argv,"-state") == 0)
state=1;
+#ifndef OPENSSL_NO_PSK
+ else if (strcmp(*argv,"-psk_identity") == 0)
+ {
+ if (--argc < 1) goto bad;
+ psk_identity=*(++argv);
+ }
+ else if (strcmp(*argv,"-psk") == 0)
+ {
+ size_t j;
+
+ if (--argc < 1) goto bad;
+ psk_key=*(++argv);
+ for (j = 0; j < strlen(psk_key); j++)
+ {
+ if (isxdigit((int)psk_key[j]))
+ continue;
+ BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
+ goto bad;
+ }
+ }
+#endif
#ifndef OPENSSL_NO_SSL2
else if (strcmp(*argv,"-ssl2") == 0)
meth=SSLv2_client_method();
@@ -599,6 +714,14 @@ bad:
goto end;
}
+#ifndef OPENSSL_NO_PSK
+ if (psk_key != NULL)
+ {
+ if (c_debug)
+ BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
+ SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
+ }
+#endif
if (bugs)
SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
else
diff --git a/apps/s_server.c b/apps/s_server.c
index 583bfccd5c..aeec035c62 100644
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -113,6 +113,32 @@
* ECC cipher suite support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
/* Until the key-gen callbacks are modified to use newer prototypes, we allow
* deprecated functions for openssl-internal code */
@@ -121,6 +147,7 @@
#endif
#include <assert.h>
+#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -263,6 +290,70 @@ static int enable_timeouts = 0;
static long socket_mtu;
static int cert_chain = 0;
+#ifndef OPENSSL_NO_PSK
+static char *psk_identity="Client_identity";
+static char *psk_key=NULL; /* by default PSK is not used */
+
+static unsigned int psk_server_cb(SSL *ssl, const char *identity,
+ unsigned char *psk, unsigned int max_psk_len)
+ {
+ unsigned int psk_len = 0;
+ int ret;
+ BIGNUM *bn = NULL;
+
+ if (s_debug)
+ BIO_printf(bio_s_out,"psk_server_cb\n");
+ if (!identity)
+ {
+ BIO_printf(bio_err,"Error: client did not send PSK identity\n");
+ goto out_err;
+ }
+ if (s_debug)
+ BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
+ identity ? strlen(identity) : 0, identity);
+
+ /* here we could lookup the given identity e.g. from a database */
+ if (strcmp(identity, psk_identity) != 0)
+ {
+ BIO_printf(bio_s_out, "PSK error: client identity not found\n");
+ goto out_err;
+ }
+ if (s_debug)
+ BIO_printf(bio_s_out, "PSK client identity found\n");
+
+ /* convert the PSK key to binary */
+ ret = BN_hex2bn(&bn, psk_key);
+ if (!ret)
+ {
+ BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
+ if (bn)
+ BN_free(bn);
+ return 0;
+ }
+ if (BN_num_bytes(bn) > (int)max_psk_len)
+ {
+ BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
+ max_psk_len, BN_num_bytes(bn));
+ BN_free(bn);
+ return 0;
+ }
+
+ ret = BN_bn2bin(bn, psk);
+ BN_free(bn);
+
+ if (ret < 0)
+ goto out_err;
+ psk_len = (unsigned int)ret;
+
+ if (s_debug)
+ BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
+ return psk_len;
+ out_err:
+ if (s_debug)
+ BIO_printf(bio_err, "Error in PSK server callback\n");
+ return 0;
+ }
+#endif
#ifdef MONOLITH
static void s_server_init(void)
@@ -339,6 +430,10 @@ static void sv_usage(void)
BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
BIO_printf(bio_err," -quiet - No server output\n");
BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
+#ifndef OPENSSL_NO_PSK
+ BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
+ BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
+#endif
BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
@@ -600,6 +695,10 @@ int MAIN(int argc, char *argv[])
#ifndef OPENSSL_NO_TLSEXT
tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
#endif
+#ifndef OPENSSL_NO_PSK
+ /* by default do not send a PSK identity hint */
+ static char *psk_identity_hint=NULL;
+#endif
#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
meth=SSLv23_server_method();
#elif !defined(OPENSSL_NO_SSL3)
@@ -782,6 +881,27 @@ int MAIN(int argc, char *argv[])
{ no_dhe=1; }
else if (strcmp(*argv,"-no_ecdhe") == 0)
{ no_ecdhe=1; }
+#ifndef OPENSSL_NO_PSK
+ else if (strcmp(*argv,"-psk_hint") == 0)
+ {
+ if (--argc < 1) goto bad;
+ psk_identity_hint= *(++argv);
+ }
+ else if (strcmp(*argv,"-psk") == 0)
+ {
+ int i;
+
+ if (--argc < 1) goto bad;
+ psk_key=*(++argv);
+ for (i=0; i<strlen(psk_key); i++)
+ {
+ if (isxdigit((int)psk_key[i]))
+ continue;
+ BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
+ goto bad;
+ }
+ }
+#endif
else if (strcmp(*argv,"-www") == 0)
{ www=1; }
else if (strcmp(*argv,"-WWW") == 0)
@@ -1259,6 +1379,22 @@ bad:
#endif
#endif
+#ifndef OPENSSL_NO_PSK
+ if (psk_key != NULL)
+ {
+ if (s_debug)
+ BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
+ SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
+ }
+
+ if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
+ {
+ BIO_printf(bio_err,"error setting PSK identity hint to context\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+#endif
+
if (cipher != NULL)
{
if(!SSL_CTX_set_cipher_list(ctx,cipher))
diff --git a/doc/apps/s_client.pod b/doc/apps/s_client.pod
index e1e1ba9865..3cdd1e2017 100644
--- a/doc/apps/s_client.pod
+++ b/doc/apps/s_client.pod
@@ -157,6 +157,16 @@ input.
inhibit printing of session and certificate information. This implicitly
turns on B<-ign_eof> as well.
+=item B<-psk_identity identity>
+
+Use the PSK identity B<identity> when using a PSK cipher suite.
+
+=item B<-psk key>
+
+Use the PSK key B<key> when using a PSK cipher suite. The key is
+given as a hexadecimal number without leading 0x, for example -psk
+1a2b3c4d.
+
=item B<-ssl2>, B<-ssl3>, B<-tls1>, B<-no_ssl2>, B<-no_ssl3>, B<-no_tls1>
these options disable the use of certain SSL or TLS protocols. By default
diff --git a/doc/apps/s_server.pod b/doc/apps/s_server.pod
index 7c1a9581d9..8c15addde3 100644
--- a/doc/apps/s_server.pod
+++ b/doc/apps/s_server.pod
@@ -181,6 +181,16 @@ this option translated a line feed from the terminal into CR+LF.
inhibit printing of session and certificate information.
+=item B<-psk_hint hint>
+
+Use the PSK identity hint B<hint> when using a PSK cipher suite.
+
+=item B<-psk key>
+
+Use the PSK key B<key> when using a PSK cipher suite. The key is
+given as a hexadecimal number without leading 0x, for example -psk
+1a2b3c4d.
+
=item B<-ssl2>, B<-ssl3>, B<-tls1>, B<-no_ssl2>, B<-no_ssl3>, B<-no_tls1>
these options disable the use of certain SSL or TLS protocols. By default
diff --git a/doc/ssl/SSL_CTX_set_psk_client_callback.pod b/doc/ssl/SSL_CTX_set_psk_client_callback.pod
new file mode 100644
index 0000000000..573f89a922
--- /dev/null
+++ b/doc/ssl/SSL_CTX_set_psk_client_callback.pod
@@ -0,0 +1,81 @@
+=pod
+
+=begin comment
+
+Copyright 2005 Nokia. All rights reserved.
+
+The portions of the attached software ("Contribution") is developed by
+Nokia Corporation and is licensed pursuant to the OpenSSL open source
+license.
+
+The Contribution, originally written by Mika Kousa and Pasi Eronen of
+Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+support (see RFC 4279) to OpenSSL.
+
+No patent licenses or other rights except those expressly stated in
+the OpenSSL open source license shall be deemed granted or received
+expressly, by implication, estoppel, or otherwise.
+
+No assurances are provided by Nokia that the Contribution does not
+infringe the patent or other intellectual property rights of any third
+party or that the license provides you with all the necessary rights
+to make use of the Contribution.
+
+THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+OTHERWISE.
+
+=end comment
+
+=head1 NAME
+
+SSL_CTX_set_psk_client_callback, SSL_set_psk_client_callback - set PSK client callback
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx,
+ unsigned int (*callback)(SSL *ssl, const char *hint,
+ char *identity, unsigned int max_identity_len,
+ unsigned char *psk, unsigned int max_psk_len));
+ void SSL_set_psk_client_callback(SSL *ssl,
+ unsigned int (*callback)(SSL *ssl, const char *hint,
+ char *identity, unsigned int max_identity_len,
+ unsigned char *psk, unsigned int max_psk_len));
+
+
+=head1 DESCRIPTION
+
+A client application must provide a callback function which is called
+when the client is sending the ClientKeyExchange message to the server.
+
+The purpose of the callback function is to select the PSK identity and
+the pre-shared key to use during the connection setup phase.
+
+The callback is set using functions SSL_CTX_set_psk_client_callback()
+or SSL_set_psk_client_callback(). The callback function is given the
+connection in parameter B<ssl>, a B<NULL>-terminated PSK identity hint
+sent by the server in parameter B<hint>, a buffer B<identity> of
+length B<max_identity_len> bytes where the the resulting
+B<NULL>-terminated identity is to be stored, and a buffer B<psk> of
+length B<max_psk_len> bytes where the resulting pre-shared key is to
+be stored.
+
+=head1 NOTES
+
+Note that parameter B<hint> given to the callback may be B<NULL>.
+
+=head1 RETURN VALUES
+
+Return values from the client callback are interpreted as follows:
+
+On success (callback found a PSK identity and a pre-shared key to use)
+the length (> 0) of B<psk> in bytes is returned.
+
+Otherwise or on errors callback should return 0. In this case
+the connection setup fails.
+
+=cut
diff --git a/doc/ssl/SSL_CTX_use_psk_identity_hint.pod b/doc/ssl/SSL_CTX_use_psk_identity_hint.pod
new file mode 100644
index 0000000000..b80e25be7e
--- /dev/null
+++ b/doc/ssl/SSL_CTX_use_psk_identity_hint.pod
@@ -0,0 +1,102 @@
+=pod
+
+=begin comment
+
+Copyright 2005 Nokia. All rights reserved.
+
+The portions of the attached software ("Contribution") is developed by
+Nokia Corporation and is licensed pursuant to the OpenSSL open source
+license.
+
+The Contribution, originally written by Mika Kousa and Pasi Eronen of
+Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+support (see RFC 4279) to OpenSSL.
+
+No patent licenses or other rights except those expressly stated in
+the OpenSSL open source license shall be deemed granted or received
+expressly, by implication, estoppel, or otherwise.
+
+No assurances are provided by Nokia that the Contribution does not
+infringe the patent or other intellectual property rights of any third
+party or that the license provides you with all the necessary rights
+to make use of the Contribution.
+
+THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+OTHERWISE.
+
+=end comment
+
+=head1 NAME
+
+SSL_CTX_use_psk_identity_hint, SSL_use_psk_identity_hint,
+SSL_CTX_set_psk_server_callback, SSL_set_psk_server_callback - set PSK
+identity hint to use
+
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *hint);
+ int SSL_use_psk_identity_hint(SSL *ssl, const char *hint);
+
+ void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx,
+ unsigned int (*callback)(SSL *ssl, const char *identity,
+ unsigned char *psk, int max_psk_len));
+ void SSL_set_psk_server_callback(SSL *ssl,
+ unsigned int (*callback)(SSL *ssl, const char *identity,
+ unsigned char *psk, int max_psk_len));
+
+
+=head1 DESCRIPTION
+
+SSL_CTX_use_psk_identity_hint() sets the given B<NULL>-terminated PSK
+identity hint B<hint> to SSL context object
+B<ctx>. SSL_use_psk_identity_hint() sets the given B<NULL>-terminated
+PSK identity hint B<hint> to SSL connection object B<ssl>. If B<hint>
+is B<NULL> the current hint from B<ctx> or B<ssl> is deleted.
+
+In the case where PSK identity hint is B<NULL>, the server
+does not send the ServerKeyExchange message to the client.
+
+A server application must provide a callback function which is called
+when the server receives the ClientKeyExchange message from the
+client. The purpose of the callback function is to validate the
+received PSK identity and to fetch the pre-shared key used during the
+connection setup phase. The callback is set using functions
+SSL_CTX_set_psk_server_callback() or
+SSL_set_psk_server_callback(). The callback function is given the
+connection in parameter B<ssl>, B<NULL>-terminated PSK identity sent
+by the client in parameter B<identity>, and a buffer B<psk> of length
+B<max_psk_len> bytes where the pre-shared key is to be stored.
+
+
+=head1 RETURN VALUES
+
+SSL_CTX_use_psk_identity_hint() and SSL_use_psk_identity_hint() return
+1 on success, 0 otherwise.
+
+Return values from the server callback are interpreted as follows:
+
+=item > 0
+
+PSK identity was found and the server callback has provided the PSK
+successfully in parameter B<psk>. Return value is the length of
+B<psk> in bytes. It is an error to return a value greater than
+B<max_psk_len>.
+
+If the PSK identity was not found but the callback instructs the
+protocol to continue anyway, the callback must provide some random
+data to B<psk> and return the length of the random data, so the
+connection will fail with decryption_error before it will be finished
+completely.
+
+=item 0
+
+PSK identity was not found. An "unknown_psk_identity" alert message
+will be sent and the connection setup fails.
+
+=cut
diff --git a/doc/ssl/SSL_get_psk_identity.pod b/doc/ssl/SSL_get_psk_identity.pod
new file mode 100644
index 0000000000..fe6291649c
--- /dev/null
+++ b/doc/ssl/SSL_get_psk_identity.pod
@@ -0,0 +1,63 @@
+=pod
+
+=begin comment
+
+Copyright 2005 Nokia. All rights reserved.
+
+The portions of the attached software ("Contribution") is developed by
+Nokia Corporation and is licensed pursuant to the OpenSSL open source
+license.
+
+The Contribution, originally written by Mika Kousa and Pasi Eronen of
+Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+support (see RFC 4279) to OpenSSL.
+
+No patent licenses or other rights except those expressly stated in
+the OpenSSL open source license shall be deemed granted or received
+expressly, by implication, estoppel, or otherwise.
+
+No assurances are provided by Nokia that the Contribution does not
+infringe the patent or other intellectual property rights of any third
+party or that the license provides you with all the necessary rights
+to make use of the Contribution.
+
+THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+OTHERWISE.
+
+=end comment
+
+=head1 NAME
+
+SSL_get_psk_identity, SSL_get_psk_identity_hint - get PSK client identity and hint
+
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ const char *SSL_get_psk_identity_hint(const SSL *ssl);
+ const char *SSL_get_psk_identity(const SSL *ssl);
+
+
+=head1 DESCRIPTION
+
+SSL_get_psk_identity_hint() is used to retrieve the PSK identity hint
+used during the connection setup related to SSL object
+B<ssl>. Similarly, SSL_get_psk_identity() is used to retrieve the PSK
+identity used during the connection setup.
+
+
+=head1 RETURN VALUES
+
+If non-B<NULL>, SSL_get_psk_identity_hint() returns the PSK identity
+hint and SSL_get_psk_identity() returns the PSK identity. Both are
+B<NULL>-terminated. SSL_get_psk_identity_hint() may return B<NULL> if
+no PSK identity hint was used during the connection setup.
+
+Note that the return value is valid only during the lifetime of the
+SSL object B<ssl>.
+
+=cut
diff --git a/doc/ssl/ssl.pod b/doc/ssl/ssl.pod
index 8391c66650..2b6004ee32 100644
--- a/doc/ssl/ssl.pod
+++ b/doc/ssl/ssl.pod
@@ -374,6 +374,15 @@ session instead of a context.
=item int B<SSL_CTX_use_certificate_file>(SSL_CTX *ctx, char *file, int type);
+=item void B<SSL_CTX_set_psk_client_callback>(SSL_CTX *ctx, unsigned int (*callback)(SSL *ssl, const char *hint, char *identity, unsigned int max_identity_len, unsigned char *psk, unsigned int max_psk_len));
+
+=item int B<SSL_CTX_use_psk_identity_hint>(SSL_CTX *ctx, const char *hint);
+
+=item void B<SSL_CTX_set_psk_server_callback>(SSL_CTX *ctx, unsigned int (*callback)(SSL *ssl, const char *identity, unsigned char *psk, int max_psk_len));
+
+
+
+
=back
=head2 DEALING WITH SESSIONS
@@ -650,6 +659,16 @@ connection defined in the B<SSL> structure.
=item int B<SSL_write>(SSL *ssl, const void *buf, int num);
+=item void B<SSL_set_psk_client_callback>(SSL *ssl, unsigned int (*callback)(SSL *ssl, const char *hint, char *identity, unsigned int max_identity_len, unsigned char *psk, unsigned int max_psk_len));
+
+=item int B<SSL_use_psk_identity_hint>(SSL *ssl, const char *hint);
+
+=item void B<SSL_set_psk_server_callback>(SSL *ssl, unsigned int (*callback)(SSL *ssl, const char *identity, unsigned char *psk, int max_psk_len));
+
+=item const char *B<SSL_get_psk_identity_hint>(SSL *ssl);
+
+=item const char *B<SSL_get_psk_identity>(SSL *ssl);
+
=back
=head1 SEE ALSO
@@ -726,7 +745,10 @@ L<SSL_write(3)|SSL_write(3)>,
L<SSL_SESSION_free(3)|SSL_SESSION_free(3)>,
L<SSL_SESSION_get_ex_new_index(3)|SSL_SESSION_get_ex_new_index(3)>,
L<SSL_SESSION_get_time(3)|SSL_SESSION_get_time(3)>,
-L<d2i_SSL_SESSION(3)|d2i_SSL_SESSION(3)>
+L<d2i_SSL_SESSION(3)|d2i_SSL_SESSION(3)>,
+L<SSL_CTX_set_psk_client_callback(3)|SSL_CTX_set_psk_client_callback(3)>,
+L<SSL_CTX_use_psk_identity_hint(3)|SSL_CTX_use_psk_identity_hint(3)>,
+L<SSL_get_psk_identity(3)|SSL_get_psk_identity(3)>
=head1 HISTORY
diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c
index 995c8298b8..237dfb61d9 100644
--- a/ssl/s3_clnt.c
+++ b/ssl/s3_clnt.c
@@ -121,6 +121,32 @@
* Vipul Gupta and Sumit Gupta of Sun Microsystems Laboratories.
*
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <stdio.h>
#include "ssl_locl.h"
@@ -266,7 +292,9 @@ int ssl3_connect(SSL *s)
case SSL3_ST_CR_CERT_A:
case SSL3_ST_CR_CERT_B:
/* Check if it is anon DH/ECDH */
- if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL))
+ /* or PSK */
+ if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL)
+ && !(s->s3->tmp.new_cipher->algorithms & SSL_kPSK))
{
ret=ssl3_get_server_certificate(s);
if (ret <= 0) goto end;
@@ -1043,17 +1071,28 @@ int ssl3_get_key_exchange(SSL *s)
-1,
s->max_cert_list,
&ok);
-
if (!ok) return((int)n);
if (s->s3->tmp.message_type != SSL3_MT_SERVER_KEY_EXCHANGE)
{
+#ifndef OPENSSL_NO_PSK
+ /* In plain PSK ciphersuite, ServerKeyExchange can be
+ omitted if no identity hint is sent. Set
+ session->sess_cert anyway to avoid problems
+ later.*/
+ if (s->s3->tmp.new_cipher->algorithms & SSL_kPSK)
+ {
+ s->session->sess_cert=ssl_sess_cert_new();
+ if (s->ctx->psk_identity_hint)
+ OPENSSL_free(s->ctx->psk_identity_hint);
+ s->ctx->psk_identity_hint = NULL;
+ }
+#endif
s->s3->tmp.reuse_message=1;
return(1);
}
param=p=(unsigned char *)s->init_msg;
-
if (s->session->sess_cert != NULL)
{
#ifndef OPENSSL_NO_RSA
@@ -1087,6 +1126,51 @@ int ssl3_get_key_exchange(SSL *s)
alg=s->s3->tmp.new_cipher->algorithms;
EVP_MD_CTX_init(&md_ctx);
+#ifndef OPENSSL_NO_PSK
+ if (alg & SSL_kPSK)
+ {
+ char tmp_id_hint[PSK_MAX_IDENTITY_LEN+1];
+
+ al=SSL_AD_HANDSHAKE_FAILURE;
+ n2s(p,i);
+ param_len=i+2;
+ /* Store PSK identity hint for later use, hint is used
+ * in ssl3_send_client_key_exchange. Assume that the
+ * maximum length of a PSK identity hint can be as
+ * long as the maximum length of a PSK identity. */
+ if (i > PSK_MAX_IDENTITY_LEN)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,
+ SSL_R_DATA_LENGTH_TOO_LONG);
+ goto f_err;
+ }
+ if (param_len > n)
+ {
+ al=SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,
+ SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH);
+ goto f_err;
+ }
+ /* If received PSK identity hint contains NULL
+ * characters, the hint is truncated from the first
+ * NULL. p may not be ending with NULL, so create a
+ * NULL-terminated string. */
+ memcpy(tmp_id_hint, p, i);
+ memset(tmp_id_hint+i, 0, PSK_MAX_IDENTITY_LEN+1-i);
+ if (s->ctx->psk_identity_hint != NULL)
+ OPENSSL_free(s->ctx->psk_identity_hint);
+ s->ctx->psk_identity_hint = BUF_strdup(tmp_id_hint);
+ if (s->ctx->psk_identity_hint == NULL)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE);
+ goto f_err;
+ }
+
+ p+=i;
+ n-=param_len;
+ }
+ else
+#endif /* !OPENSSL_NO_PSK */
#ifndef OPENSSL_NO_RSA
if (alg & SSL_kRSA)
{
@@ -1430,12 +1514,13 @@ int ssl3_get_key_exchange(SSL *s)
}
else
{
- /* still data left over */
- if (!(alg & SSL_aNULL))
+ if (!(alg & SSL_aNULL) && !(alg & SSL_kPSK))
+ /* aNULL or kPSK do not need public keys */
{
SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
goto err;
}
+ /* still data left over */
if (n != 0)
{
al=SSL_AD_DECODE_ERROR;
@@ -2104,6 +2189,88 @@ int ssl3_send_client_key_exchange(SSL *s)
EVP_PKEY_free(srvr_pub_pkey);
}
#endif /* !OPENSSL_NO_ECDH */
+#ifndef OPENSSL_NO_PSK
+ else if (l & SSL_kPSK)
+ {
+ char identity[PSK_MAX_IDENTITY_LEN];
+ unsigned char *t = NULL;
+ unsigned char psk_or_pre_ms[PSK_MAX_PSK_LEN*2+4];
+ unsigned int pre_ms_len = 0, psk_len = 0;
+ int psk_err = 1;
+
+ n = 0;
+ if (s->psk_client_callback == NULL)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ SSL_R_PSK_NO_CLIENT_CB);
+ goto err;
+ }
+
+ psk_len = s->psk_client_callback(s, s->ctx->psk_identity_hint,
+ identity, PSK_MAX_IDENTITY_LEN,
+ psk_or_pre_ms, sizeof(psk_or_pre_ms));
+ if (psk_len > PSK_MAX_PSK_LEN)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ ERR_R_INTERNAL_ERROR);
+ goto psk_err;
+ }
+ else if (psk_len == 0)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ SSL_R_PSK_IDENTITY_NOT_FOUND);
+ goto psk_err;
+ }
+
+ /* create PSK pre_master_secret */
+ pre_ms_len = 2+psk_len+2+psk_len;
+ t = psk_or_pre_ms;
+ memmove(psk_or_pre_ms+psk_len+4, psk_or_pre_ms, psk_len);
+ s2n(psk_len, t);
+ memset(t, 0, psk_len);
+ t+=psk_len;
+ s2n(psk_len, t);
+
+ if (s->session->psk_identity_hint != NULL)
+ OPENSSL_free(s->session->psk_identity_hint);
+ s->session->psk_identity_hint = BUF_strdup(s->ctx->psk_identity_hint);
+ if (s->ctx->psk_identity_hint != NULL &&
+ s->session->psk_identity_hint == NULL)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ ERR_R_MALLOC_FAILURE);
+ goto psk_err;
+ }
+
+ if (s->session->psk_identity != NULL)
+ OPENSSL_free(s->session->psk_identity);
+ s->session->psk_identity = BUF_strdup(identity);
+ if (s->session->psk_identity == NULL)
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+ ERR_R_MALLOC_FAILURE);
+ goto psk_err;
+ }
+
+ s->session->master_key_length =
+ s->method->ssl3_enc->generate_master_secret(s,
+ s->session->master_key,
+ psk_or_pre_ms, pre_ms_len);
+ n = strlen(identity);
+ s2n(n, p);
+ memcpy(p, identity, n);
+ n+=2;
+ psk_err = 0;
+ psk_err:
+ OPENSSL_cleanse(identity, PSK_MAX_IDENTITY_LEN);
+ OPENSSL_cleanse(psk_or_pre_ms, sizeof(psk_or_pre_ms));
+ if (psk_err != 0)
+ {
+ ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE);
+ goto err;
+ }
+ }
+#endif
else
{
ssl3_send_alert(s, SSL3_AL_FATAL,
@@ -2316,7 +2483,6 @@ int ssl3_check_cert_and_algorithm(SSL *s)
#endif
sc=s->session->sess_cert;
-
if (sc == NULL)
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,ERR_R_INTERNAL_ERROR);
@@ -2326,7 +2492,7 @@ int ssl3_check_cert_and_algorithm(SSL *s)
algs=s->s3->tmp.new_cipher->algorithms;
/* we don't have a certificate */
- if (algs & (SSL_aDH|SSL_aNULL|SSL_aKRB5))
+ if (algs & (SSL_aDH|SSL_aNULL|SSL_aKRB5|SSL_kPSK))
return(1);
#ifndef OPENSSL_NO_RSA
diff --git a/ssl/s3_enc.c b/ssl/s3_enc.c
index 4baba2efb5..b4c6f0f19b 100644
--- a/ssl/s3_enc.c
+++ b/ssl/s3_enc.c
@@ -108,6 +108,32 @@
* Hudson (tjh@cryptsoft.com).
*
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <stdio.h>
#include "ssl_locl.h"
@@ -714,6 +740,7 @@ int ssl3_alert_code(int code)
case SSL_AD_UNRECOGNIZED_NAME: return(SSL3_AD_HANDSHAKE_FAILURE);
case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: return(SSL3_AD_HANDSHAKE_FAILURE);
case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: return(SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_UNKNOWN_PSK_IDENTITY:return(TLS1_AD_UNKNOWN_PSK_IDENTITY);
default: return(-1);
}
}
diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c
index 6ccd8b1324..aecf6d62a8 100644
--- a/ssl/s3_lib.c
+++ b/ssl/s3_lib.c
@@ -121,6 +121,32 @@
* Vipul Gupta and Sumit Gupta of Sun Microsystems Laboratories.
*
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <stdio.h>
#include <openssl/objects.h>
@@ -997,6 +1023,63 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
SSL_ALL_STRENGTHS
},
#endif
+#ifndef OPENSSL_NO_PSK
+ /* Cipher 8A */
+ {
+ 1,
+ TLS1_TXT_PSK_WITH_RC4_128_SHA,
+ TLS1_CK_PSK_WITH_RC4_128_SHA,
+ SSL_kPSK|SSL_aPSK|SSL_RC4|SSL_SHA|SSL_TLSV1,
+ SSL_NOT_EXP|SSL_MEDIUM,
+ 0,
+ 128,
+ 128,
+ SSL_ALL_CIPHERS,
+ SSL_ALL_STRENGTHS,
+ },
+
+ /* Cipher 8B */
+ {
+ 1,
+ TLS1_TXT_PSK_WITH_3DES_EDE_CBC_SHA,
+ TLS1_CK_PSK_WITH_3DES_EDE_CBC_SHA,
+ SSL_kPSK|SSL_aPSK|SSL_3DES|SSL_SHA|SSL_TLSV1,
+ SSL_NOT_EXP|SSL_HIGH,
+ 0,
+ 168,
+ 168,
+ SSL_ALL_CIPHERS,
+ SSL_ALL_STRENGTHS,
+ },
+
+ /* Cipher 8C */
+ {
+ 1,
+ TLS1_TXT_PSK_WITH_AES_128_CBC_SHA,
+ TLS1_CK_PSK_WITH_AES_128_CBC_SHA,
+ SSL_kPSK|SSL_aPSK|SSL_AES|SSL_SHA|SSL_TLSV1,
+ SSL_NOT_EXP|SSL_MEDIUM,
+ 0,
+ 128,
+ 128,
+ SSL_ALL_CIPHERS,
+ SSL_ALL_STRENGTHS,
+ },
+
+ /* Cipher 8D */
+ {
+ 1,
+ TLS1_TXT_PSK_WITH_AES_256_CBC_SHA,
+ TLS1_CK_PSK_WITH_AES_256_CBC_SHA,
+ SSL_kPSK|SSL_aPSK|SSL_AES|SSL_SHA|SSL_TLSV1,
+ SSL_NOT_EXP|SSL_HIGH,
+ 0,
+ 256,
+ 256,
+ SSL_ALL_CIPHERS,
+ SSL_ALL_STRENGTHS,
+ },
+#endif /* OPENSSL_NO_PSK */
#ifndef OPENSSL_NO_ECDH
/* Cipher C001 */
{
@@ -2018,6 +2101,12 @@ SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
continue;
}
#endif /* OPENSSL_NO_KRB5 */
+#ifndef OPENSSL_NO_PSK
+ /* with PSK there must be server callback set */
+ if ((alg & SSL_PSK) && s->psk_server_callback == NULL)
+ continue;
+#endif /* OPENSSL_NO_PSK */
+
if (SSL_C_IS_EXPORT(c))
{
ok=((alg & emask) == alg)?1:0;
diff --git a/ssl/s3_srvr.c b/ssl/s3_srvr.c
index 44b9c9cdac..8859540fa8 100644
--- a/ssl/s3_srvr.c
+++ b/ssl/s3_srvr.c
@@ -121,6 +121,32 @@
* Vipul Gupta and Sumit Gupta of Sun Microsystems Laboratories.
*
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#define REUSE_CIPHER_BUG
#define NETSCAPE_HANG_BUG
@@ -302,7 +328,9 @@ int ssl3_accept(SSL *s)
case SSL3_ST_SW_CERT_A:
case SSL3_ST_SW_CERT_B:
/* Check if it is anon DH or anon ECDH */
- if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL))
+ /* or normal PSK */
+ if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL)
+ && !(s->s3->tmp.new_cipher->algorithms & SSL_kPSK))
{
ret=ssl3_send_server_certificate(s);
if (ret <= 0) goto end;
@@ -336,6 +364,8 @@ int ssl3_accept(SSL *s)
/* only send if a DH key exchange, fortezza or
* RSA but we have a sign only certificate
*
+ * PSK: may send PSK identity hints
+ *
* For ECC ciphersuites, we send a serverKeyExchange
* message only if the cipher suite is either
* ECDH-anon or ECDHE. In other cases, the
@@ -343,6 +373,11 @@ int ssl3_accept(SSL *s)
* public key for key exchange.
*/
if (s->s3->tmp.use_rsa_tmp
+ /* PSK: send ServerKeyExchange if PSK identity
+ * hint if provided */
+#ifndef OPENSSL_NO_PSK
+ || ((l & SSL_kPSK) && s->ctx->psk_identity_hint)
+#endif
|| (l & SSL_kECDHE)
|| (l & (SSL_DH|SSL_kFZA))
|| ((l & SSL_kRSA)
@@ -380,7 +415,10 @@ int ssl3_accept(SSL *s)
* (against the specs, but s3_clnt.c accepts this for SSL 3) */
!(s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT)) ||
/* never request cert in Kerberos ciphersuites */
- (s->s3->tmp.new_cipher->algorithms & SSL_aKRB5))
+ (s->s3->tmp.new_cipher->algorithms & SSL_aKRB5)
+ /* With normal PSK Certificates and
+ * Certificate Requests are omitted */
+ || (s->s3->tmp.new_cipher->algorithms & SSL_kPSK))
{
/* no cert request */
skip=1;
@@ -1390,6 +1428,14 @@ int ssl3_send_server_key_exchange(SSL *s)
}
else
#endif /* !OPENSSL_NO_ECDH */
+#ifndef OPENSSL_NO_PSK
+ if (type & SSL_kPSK)
+ {
+ /* reserve size for record length and PSK identity hint*/
+ n+=2+strlen(s->ctx->psk_identity_hint);
+ }
+ else
+#endif /* !OPENSSL_NO_PSK */
{
al=SSL_AD_HANDSHAKE_FAILURE;
SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE,SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE);
@@ -1401,7 +1447,8 @@ int ssl3_send_server_key_exchange(SSL *s)
n+=2+nr[i];
}
- if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL))
+ if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL)
+ && !(s->s3->tmp.new_cipher->algorithms & SSL_kPSK))
{
if ((pkey=ssl_get_sign_pkey(s,s->s3->tmp.new_cipher))
== NULL)
@@ -1457,6 +1504,16 @@ int ssl3_send_server_key_exchange(SSL *s)
}
#endif
+#ifndef OPENSSL_NO_PSK
+ if (type & SSL_kPSK)
+ {
+ /* copy PSK identity hint */
+ s2n(strlen(s->ctx->psk_identity_hint), p);
+ strncpy(p, s->ctx->psk_identity_hint, strlen(s->ctx->psk_identity_hint));
+ p+=strlen(s->ctx->psk_identity_hint);
+ }
+#endif
+
/* not anonymous */
if (pkey != NULL)
{
@@ -2177,6 +2234,101 @@ int ssl3_get_client_key_exchange(SSL *s)
return (ret);
}
else
+#endif
+#ifndef OPENSSL_NO_PSK
+ if (l & SSL_kPSK)
+ {
+ unsigned char *t = NULL;
+ unsigned char psk_or_pre_ms[PSK_MAX_PSK_LEN*2+4];
+ unsigned int pre_ms_len = 0, psk_len = 0;
+ int psk_err = 1;
+ char tmp_id[PSK_MAX_IDENTITY_LEN+1];
+
+ al=SSL_AD_HANDSHAKE_FAILURE;
+
+ n2s(p,i);
+ if (n != i+2)
+ {
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
+ SSL_R_LENGTH_MISMATCH);
+ goto psk_err;
+ }
+ if (i > PSK_MAX_IDENTITY_LEN)
+ {
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
+ SSL_R_DATA_LENGTH_TOO_LONG);
+ goto psk_err;
+ }
+ if (s->psk_server_callback == NULL)
+ {
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
+ SSL_R_PSK_NO_SERVER_CB);
+ goto psk_err;
+ }
+
+ /* Create guaranteed NULL-terminated identity
+ * string for the callback */
+ memcpy(tmp_id, p, i);
+ memset(tmp_id+i, 0, PSK_MAX_IDENTITY_LEN+1-i);
+ psk_len = s->psk_server_callback(s, tmp_id,
+ psk_or_pre_ms, sizeof(psk_or_pre_ms));
+ OPENSSL_cleanse(tmp_id, PSK_MAX_IDENTITY_LEN+1);
+
+ if (psk_len > PSK_MAX_PSK_LEN)
+ {
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
+ ERR_R_INTERNAL_ERROR);
+ goto psk_err;
+ }
+ else if (psk_len == 0)
+ {
+ /* PSK related to the given identity not found */
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
+ SSL_R_PSK_IDENTITY_NOT_FOUND);
+ al=SSL_AD_UNKNOWN_PSK_IDENTITY;
+ goto psk_err;
+ }
+
+ /* create PSK pre_master_secret */
+ pre_ms_len=2+psk_len+2+psk_len;
+ t = psk_or_pre_ms;
+ memmove(psk_or_pre_ms+psk_len+4, psk_or_pre_ms, psk_len);
+ s2n(psk_len, t);
+ memset(t, 0, psk_len);
+ t+=psk_len;
+ s2n(psk_len, t);
+
+ if (s->session->psk_identity != NULL)
+ OPENSSL_free(s->session->psk_identity);
+ s->session->psk_identity = BUF_strdup(p);
+ if (s->session->psk_identity == NULL)
+ {
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
+ ERR_R_MALLOC_FAILURE);
+ goto psk_err;
+ }
+
+ if (s->session->psk_identity_hint != NULL)
+ OPENSSL_free(s->session->psk_identity_hint);
+ s->session->psk_identity_hint = BUF_strdup(s->ctx->psk_identity_hint);
+ if (s->ctx->psk_identity_hint != NULL &&
+ s->session->psk_identity_hint == NULL)
+ {
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
+ ERR_R_MALLOC_FAILURE);
+ goto psk_err;
+ }
+
+ s->session->master_key_length=
+ s->method->ssl3_enc->generate_master_secret(s,
+ s->session->master_key, psk_or_pre_ms, pre_ms_len);
+ psk_err = 0;
+ psk_err:
+ OPENSSL_cleanse(psk_or_pre_ms, sizeof(psk_or_pre_ms));
+ if (psk_err != 0)
+ goto f_err;
+ }
+ else
#endif
{
al=SSL_AD_HANDSHAKE_FAILURE;
diff --git a/ssl/ssl.h b/ssl/ssl.h
index e4534f3062..33792ea8fe 100644
--- a/ssl/ssl.h
+++ b/ssl/ssl.h
@@ -166,6 +166,32 @@
* ECC cipher suite support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#ifndef HEADER_SSL_H
#define HEADER_SSL_H
@@ -294,6 +320,9 @@ extern "C" {
#define SSL_TXT_TLSV1 "TLSv1"
#define SSL_TXT_ALL "ALL"
#define SSL_TXT_ECC "ECCdraft" /* ECC ciphersuites are not yet official */
+#define SSL_TXT_PSK "PSK"
+#define SSL_TXT_kPSK "kPSK"
+#define SSL_TXT_aPSK "aPSK"
/*
* COMPLEMENTOF* definitions. These identifiers are used to (de-select)
@@ -410,8 +439,9 @@ typedef struct ssl_method_st
* Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds
* Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate
* Session_ID_context [ 4 ] EXPLICIT OCTET_STRING, -- the Session ID context
- * Verify_result [ 5 ] EXPLICIT INTEGER -- X509_V_... code for `Peer'
- * Compression [6] IMPLICIT ASN1_OBJECT -- compression OID XXXXX
+ * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer'
+ * PSK_identity_hint [ 6 ] EXPLICIT OCTET_STRING, -- PSK identity hint
+ * PSK_identity [ 7 ] EXPLICIT OCTET_STRING -- PSK identity
* }
* Look in ssl/ssl_asn1.c for more details
* I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
@@ -439,7 +469,10 @@ typedef struct ssl_session_st
unsigned int krb5_client_princ_len;
unsigned char krb5_client_princ[SSL_MAX_KRB5_PRINCIPAL_LENGTH];
#endif /* OPENSSL_NO_KRB5 */
-
+#ifndef OPENSSL_NO_PSK
+ char *psk_identity_hint;
+ char *psk_identity;
+#endif
int not_resumable;
/* The cert is the certificate used to establish this connection */
@@ -763,6 +796,14 @@ struct ssl_ctx_st
/* TLS extensions servername callback */
int (*tlsext_servername_callback)(SSL*, int *, void *);
void *tlsext_servername_arg;
+#endif
+#ifndef OPENSSL_NO_PSK
+ char *psk_identity_hint;
+ unsigned int (*psk_client_callback)(SSL *ssl, const char *hint, char *identity,
+ unsigned int max_identity_len, unsigned char *psk,
+ unsigned int max_psk_len);
+ unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
+ unsigned char *psk, unsigned int max_psk_len);
#endif
};
@@ -816,6 +857,21 @@ struct ssl_ctx_st
#define SSL_CTX_set_cookie_generate_cb(ctx,cb) ((ctx)->app_gen_cookie_cb=(cb))
#define SSL_CTX_set_cookie_verify_cb(ctx,cb) ((ctx)->app_verify_cookie_cb=(cb))
+#ifndef OPENSSL_NO_PSK
+/* the maximum length of the buffer given to callbacks containing the
+ * resulting identity/psk */
+#define PSK_MAX_IDENTITY_LEN 128
+#define PSK_MAX_PSK_LEN 64
+#define SSL_CTX_set_psk_client_callback(ctx,cb) ((ctx)->psk_client_callback=(cb))
+#define SSL_set_psk_client_callback(ssl, cb) ((ssl)->psk_client_callback=(cb))
+#define SSL_CTX_set_psk_server_callback(ctx,cb) ((ctx)->psk_server_callback=(cb))
+#define SSL_set_psk_server_callback(ssl, cb) ((ssl)->psk_server_callback=(cb))
+int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint);
+int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint);
+const char *SSL_get_psk_identity_hint(const SSL *s);
+const char *SSL_get_psk_identity(const SSL *s);
+#endif
+
#define SSL_NOTHING 1
#define SSL_WRITING 2
#define SSL_READING 3
@@ -966,6 +1022,14 @@ struct ssl_st
KSSL_CTX *kssl_ctx; /* Kerberos 5 context */
#endif /* OPENSSL_NO_KRB5 */
+#ifndef OPENSSL_NO_PSK
+ unsigned int (*psk_client_callback)(SSL *ssl, const char *hint, char *identity,
+ unsigned int max_identity_len, unsigned char *psk,
+ unsigned int max_psk_len);
+ unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
+ unsigned char *psk, unsigned int max_psk_len);
+#endif
+
SSL_CTX *ctx;
/* set this flag to 1 and a sleep(1) is put into all SSL_read()
* and SSL_write() calls, good for nbio debuging :-) */
@@ -1149,6 +1213,7 @@ size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
#define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME
#define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
#define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
+#define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY /* fatal */
#define SSL_ERROR_NONE 0
#define SSL_ERROR_SSL 1
@@ -1718,6 +1783,7 @@ void ERR_load_SSL_strings(void);
#define SSL_F_SSL_CTX_USE_PRIVATEKEY 174
#define SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1 175
#define SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE 176
+#define SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT 272
#define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY 177
#define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1 178
#define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE 179
@@ -1756,6 +1822,7 @@ void ERR_load_SSL_strings(void);
#define SSL_F_SSL_USE_PRIVATEKEY 201
#define SSL_F_SSL_USE_PRIVATEKEY_ASN1 202
#define SSL_F_SSL_USE_PRIVATEKEY_FILE 203
+#define SSL_F_SSL_USE_PSK_IDENTITY_HINT 273
#define SSL_F_SSL_USE_RSAPRIVATEKEY 204
#define SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1 205
#define SSL_F_SSL_USE_RSAPRIVATEKEY_FILE 206
@@ -1789,6 +1856,7 @@ void ERR_load_SSL_strings(void);
#define SSL_R_BAD_MESSAGE_TYPE 114
#define SSL_R_BAD_PACKET_LENGTH 115
#define SSL_R_BAD_PROTOCOL_VERSION_NUMBER 116
+#define SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH 157
#define SSL_R_BAD_RESPONSE_ARGUMENT 117
#define SSL_R_BAD_RSA_DECRYPT 118
#define SSL_R_BAD_RSA_ENCRYPT 119
@@ -1908,6 +1976,9 @@ void ERR_load_SSL_strings(void);
#define SSL_R_PRE_MAC_LENGTH_TOO_LONG 205
#define SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS 206
#define SSL_R_PROTOCOL_IS_SHUTDOWN 207
+#define SSL_R_PSK_IDENTITY_NOT_FOUND 223
+#define SSL_R_PSK_NO_CLIENT_CB 224
+#define SSL_R_PSK_NO_SERVER_CB 225
#define SSL_R_PUBLIC_KEY_ENCRYPT_ERROR 208
#define SSL_R_PUBLIC_KEY_IS_NOT_RSA 209
#define SSL_R_PUBLIC_KEY_NOT_RSA 210
diff --git a/ssl/ssl_asn1.c b/ssl/ssl_asn1.c
index 1ff31d4402..a8193a58da 100644
--- a/ssl/ssl_asn1.c
+++ b/ssl/ssl_asn1.c
@@ -55,6 +55,32 @@
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <stdio.h>
#include <stdlib.h>
@@ -81,12 +107,16 @@ typedef struct ssl_session_asn1_st
#ifndef OPENSSL_NO_TLSEXT
ASN1_OCTET_STRING tlsext_hostname;
#endif /* OPENSSL_NO_TLSEXT */
+#ifndef OPENSSL_NO_PSK
+ ASN1_OCTET_STRING psk_identity_hint;
+ ASN1_OCTET_STRING psk_identity;
+#endif /* OPENSSL_NO_PSK */
} SSL_SESSION_ASN1;
int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
{
#define LSIZE2 (sizeof(long)*2)
- int v1=0,v2=0,v3=0,v4=0,v5=0,v6=0;
+ int v1=0,v2=0,v3=0,v4=0,v5=0,v6=0,v7=0,v8=0;
unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2];
long l;
@@ -156,7 +186,7 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
a.krb5_princ.data=in->krb5_client_princ;
}
#endif /* OPENSSL_NO_KRB5 */
-
+
if (in->time != 0L)
{
a.time.length=LSIZE2;
@@ -189,6 +219,20 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
a.tlsext_hostname.data=(unsigned char *)in->tlsext_hostname;
}
#endif /* OPENSSL_NO_TLSEXT */
+#ifndef OPENSSL_NO_PSK
+ if (in->psk_identity_hint)
+ {
+ a.psk_identity_hint.length=strlen(in->psk_identity_hint);
+ a.psk_identity_hint.type=V_ASN1_OCTET_STRING;
+ a.psk_identity_hint.data=in->psk_identity_hint;
+ }
+ if (in->psk_identity)
+ {
+ a.psk_identity.length=strlen(in->psk_identity);
+ a.psk_identity.type=V_ASN1_OCTET_STRING;
+ a.psk_identity.data=in->psk_identity;
+ }
+#endif /* OPENSSL_NO_PSK */
M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);
M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);
@@ -215,6 +259,13 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
if (in->tlsext_hostname)
M_ASN1_I2D_len_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
#endif /* OPENSSL_NO_TLSEXT */
+#ifndef OPENSSL_NO_PSK
+ if (in->psk_identity_hint)
+ M_ASN1_I2D_len_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,6,v7);
+ if (in->psk_identity)
+ M_ASN1_I2D_len_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,7,v8);
+#endif /* OPENSSL_NO_PSK */
+
M_ASN1_I2D_seq_total();
M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER);
@@ -242,6 +293,12 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
if (in->tlsext_hostname)
M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
#endif /* OPENSSL_NO_TLSEXT */
+#ifndef OPENSSL_NO_PSK
+ if (in->psk_identity_hint)
+ M_ASN1_I2D_put_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,6,v6);
+ if (in->psk_identity)
+ M_ASN1_I2D_put_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,7,v7);
+#endif /* OPENSSL_NO_PSK */
M_ASN1_I2D_finish();
}
@@ -429,5 +486,33 @@ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
#endif /* OPENSSL_NO_TLSEXT */
+#ifndef OPENSSL_NO_PSK
+ os.length=0;
+ os.data=NULL;
+ M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,6);
+ if (os.data)
+ {
+ ret->psk_identity_hint = BUF_strndup(os.data, os.length);
+ OPENSSL_free(os.data);
+ os.data = NULL;
+ os.length = 0;
+ }
+ else
+ ret->psk_identity_hint=NULL;
+
+ os.length=0;
+ os.data=NULL;
+ M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,7);
+ if (os.data)
+ {
+ ret->psk_identity = BUF_strndup(os.data, os.length);
+ OPENSSL_free(os.data);
+ os.data = NULL;
+ os.length = 0;
+ }
+ else
+ ret->psk_identity=NULL;
+#endif /* OPENSSL_NO_KRB5 */
+
M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);
}
diff --git a/ssl/ssl_ciph.c b/ssl/ssl_ciph.c
index cdd7a9ae74..5f9ce0d418 100644
--- a/ssl/ssl_ciph.c
+++ b/ssl/ssl_ciph.c
@@ -60,6 +60,33 @@
* ECC cipher suite support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
+
#include <stdio.h>
#include <openssl/objects.h>
#include <openssl/comp.h>
@@ -120,6 +147,7 @@ static const SSL_CIPHER cipher_aliases[]={
{0,SSL_TXT_kDHd,0,SSL_kDHd, 0,0,0,0,SSL_MKEY_MASK,0},
{0,SSL_TXT_kEDH,0,SSL_kEDH, 0,0,0,0,SSL_MKEY_MASK,0},
{0,SSL_TXT_kFZA,0,SSL_kFZA, 0,0,0,0,SSL_MKEY_MASK,0},
+ {0,SSL_TXT_kPSK,0,SSL_kPSK, 0,0,0,0,SSL_MKEY_MASK,0},
{0,SSL_TXT_DH, 0,SSL_DH, 0,0,0,0,SSL_MKEY_MASK,0},
{0,SSL_TXT_ECC, 0,(SSL_kECDH|SSL_kECDHE), 0,0,0,0,SSL_MKEY_MASK,0},
{0,SSL_TXT_EDH, 0,SSL_EDH, 0,0,0,0,SSL_MKEY_MASK|SSL_AUTH_MASK,0},
@@ -127,6 +155,7 @@ static const SSL_CIPHER cipher_aliases[]={
{0,SSL_TXT_aRSA,0,SSL_aRSA, 0,0,0,0,SSL_AUTH_MASK,0},
{0,SSL_TXT_aDSS,0,SSL_aDSS, 0,0,0,0,SSL_AUTH_MASK,0},
{0,SSL_TXT_aFZA,0,SSL_aFZA, 0,0,0,0,SSL_AUTH_MASK,0},
+ {0,SSL_TXT_aPSK,0,SSL_aPSK, 0,0,0,0,SSL_AUTH_MASK,0},
{0,SSL_TXT_aNULL,0,SSL_aNULL,0,0,0,0,SSL_AUTH_MASK,0},
{0,SSL_TXT_aDH, 0,SSL_aDH, 0,0,0,0,SSL_AUTH_MASK,0},
{0,SSL_TXT_DSS, 0,SSL_DSS, 0,0,0,0,SSL_AUTH_MASK,0},
@@ -151,6 +180,7 @@ static const SSL_CIPHER cipher_aliases[]={
{0,SSL_TXT_RSA, 0,SSL_RSA, 0,0,0,0,SSL_AUTH_MASK|SSL_MKEY_MASK,0},
{0,SSL_TXT_ADH, 0,SSL_ADH, 0,0,0,0,SSL_AUTH_MASK|SSL_MKEY_MASK,0},
{0,SSL_TXT_FZA, 0,SSL_FZA, 0,0,0,0,SSL_AUTH_MASK|SSL_MKEY_MASK|SSL_ENC_MASK,0},
+ {0,SSL_TXT_PSK, 0,SSL_PSK, 0,0,0,0,SSL_AUTH_MASK|SSL_MKEY_MASK,0},
{0,SSL_TXT_SSLV2, 0,SSL_SSLV2, 0,0,0,0,SSL_SSL_MASK,0},
{0,SSL_TXT_SSLV3, 0,SSL_SSLV3, 0,0,0,0,SSL_SSL_MASK,0},
@@ -370,6 +400,9 @@ static unsigned long ssl_cipher_get_disabled(void)
#ifdef OPENSSL_NO_ECDH
mask |= SSL_kECDH|SSL_kECDHE;
#endif
+#ifdef OPENSSL_NO_PSK
+ mask |= SSL_kPSK;
+#endif
#ifdef SSL_FORBID_ENULL
mask |= SSL_eNULL;
#endif
@@ -986,6 +1019,9 @@ char *SSL_CIPHER_description(SSL_CIPHER *cipher, char *buf, int len)
case SSL_kECDHE:
kx=is_export?"ECDH(<=163)":"ECDH";
break;
+ case SSL_kPSK:
+ kx="PSK";
+ break;
default:
kx="unknown";
}
@@ -1012,6 +1048,9 @@ char *SSL_CIPHER_description(SSL_CIPHER *cipher, char *buf, int len)
case SSL_aECDSA:
au="ECDSA";
break;
+ case SSL_aPSK:
+ au="PSK";
+ break;
default:
au="unknown";
break;
diff --git a/ssl/ssl_err.c b/ssl/ssl_err.c
index dd6657186d..67a1d4ff36 100644
--- a/ssl/ssl_err.c
+++ b/ssl/ssl_err.c
@@ -195,6 +195,7 @@ static ERR_STRING_DATA SSL_str_functs[]=
{ERR_FUNC(SSL_F_SSL_CTX_USE_PRIVATEKEY), "SSL_CTX_use_PrivateKey"},
{ERR_FUNC(SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1), "SSL_CTX_use_PrivateKey_ASN1"},
{ERR_FUNC(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE), "SSL_CTX_use_PrivateKey_file"},
+{ERR_FUNC(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT), "SSL_CTX_use_psk_identity_hint"},
{ERR_FUNC(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY), "SSL_CTX_use_RSAPrivateKey"},
{ERR_FUNC(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1), "SSL_CTX_use_RSAPrivateKey_ASN1"},
{ERR_FUNC(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE), "SSL_CTX_use_RSAPrivateKey_file"},
@@ -233,6 +234,7 @@ static ERR_STRING_DATA SSL_str_functs[]=
{ERR_FUNC(SSL_F_SSL_USE_PRIVATEKEY), "SSL_use_PrivateKey"},
{ERR_FUNC(SSL_F_SSL_USE_PRIVATEKEY_ASN1), "SSL_use_PrivateKey_ASN1"},
{ERR_FUNC(SSL_F_SSL_USE_PRIVATEKEY_FILE), "SSL_use_PrivateKey_file"},
+{ERR_FUNC(SSL_F_SSL_USE_PSK_IDENTITY_HINT), "SSL_use_psk_identity_hint"},
{ERR_FUNC(SSL_F_SSL_USE_RSAPRIVATEKEY), "SSL_use_RSAPrivateKey"},
{ERR_FUNC(SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1), "SSL_use_RSAPrivateKey_ASN1"},
{ERR_FUNC(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE), "SSL_use_RSAPrivateKey_file"},
@@ -269,6 +271,7 @@ static ERR_STRING_DATA SSL_str_reasons[]=
{ERR_REASON(SSL_R_BAD_MESSAGE_TYPE) ,"bad message type"},
{ERR_REASON(SSL_R_BAD_PACKET_LENGTH) ,"bad packet length"},
{ERR_REASON(SSL_R_BAD_PROTOCOL_VERSION_NUMBER),"bad protocol version number"},
+{ERR_REASON(SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH),"bad psk identity hint length"},
{ERR_REASON(SSL_R_BAD_RESPONSE_ARGUMENT) ,"bad response argument"},
{ERR_REASON(SSL_R_BAD_RSA_DECRYPT) ,"bad rsa decrypt"},
{ERR_REASON(SSL_R_BAD_RSA_ENCRYPT) ,"bad rsa encrypt"},
@@ -388,6 +391,9 @@ static ERR_STRING_DATA SSL_str_reasons[]=
{ERR_REASON(SSL_R_PRE_MAC_LENGTH_TOO_LONG),"pre mac length too long"},
{ERR_REASON(SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS),"problems mapping cipher functions"},
{ERR_REASON(SSL_R_PROTOCOL_IS_SHUTDOWN) ,"protocol is shutdown"},
+{ERR_REASON(SSL_R_PSK_IDENTITY_NOT_FOUND),"psk identity not found"},
+{ERR_REASON(SSL_R_PSK_NO_CLIENT_CB) ,"psk no client cb"},
+{ERR_REASON(SSL_R_PSK_NO_SERVER_CB) ,"psk no server cb"},
{ERR_REASON(SSL_R_PUBLIC_KEY_ENCRYPT_ERROR),"public key encrypt error"},
{ERR_REASON(SSL_R_PUBLIC_KEY_IS_NOT_RSA) ,"public key is not rsa"},
{ERR_REASON(SSL_R_PUBLIC_KEY_NOT_RSA) ,"public key not rsa"},
diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 7eec7f69d0..2c691da0b8 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -115,6 +115,32 @@
* ECC cipher suite support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#ifdef REF_CHECK
# include <assert.h>
@@ -326,6 +352,11 @@ SSL *SSL_new(SSL_CTX *ctx)
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
+#ifndef OPENSSL_NO_PSK
+ s->psk_client_callback=ctx->psk_client_callback;
+ s->psk_server_callback=ctx->psk_server_callback;
+#endif
+
return(s);
err:
if (s != NULL)
@@ -1271,7 +1302,11 @@ int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
if ((c->algorithms & SSL_KRB5) && nokrb5)
continue;
#endif /* OPENSSL_NO_KRB5 */
-
+#ifndef OPENSSL_NO_PSK
+ /* with PSK there must be client callback set */
+ if ((c->algorithms & SSL_PSK) && s->psk_client_callback == NULL)
+ continue;
+#endif /* OPENSSL_NO_PSK */
j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
p+=j;
}
@@ -1500,6 +1535,11 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
#ifndef OPENSSL_NO_TLSEXT
ret->tlsext_servername_callback = 0;
ret->tlsext_servername_arg = NULL;
+#endif
+#ifndef OPENSSL_NO_PSK
+ ret->psk_identity_hint=NULL;
+ ret->psk_client_callback=NULL;
+ ret->psk_server_callback=NULL;
#endif
return(ret);
err:
@@ -1571,6 +1611,11 @@ void SSL_CTX_free(SSL_CTX *a)
#else
a->comp_methods = NULL;
#endif
+
+#ifndef OPENSSL_NO_PSK
+ if (a->psk_identity_hint)
+ OPENSSL_free(a->psk_identity_hint);
+#endif
OPENSSL_free(a);
}
@@ -1763,6 +1808,12 @@ void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
emask|=SSL_kECDHE;
}
#endif
+
+#ifndef OPENSSL_NO_PSK
+ mask |= SSL_kPSK | SSL_aPSK;
+ emask |= SSL_kPSK | SSL_aPSK;
+#endif
+
c->mask=mask;
c->export_mask=emask;
c->valid=1;
@@ -2634,6 +2685,67 @@ void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
}
#endif
+#ifndef OPENSSL_NO_PSK
+int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint)
+ {
+ if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN)
+ {
+ SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG);
+ return 0;
+ }
+ if (ctx->psk_identity_hint != NULL)
+ OPENSSL_free(ctx->psk_identity_hint);
+ if (identity_hint != NULL)
+ {
+ ctx->psk_identity_hint = BUF_strdup(identity_hint);
+ if (ctx->psk_identity_hint == NULL)
+ return 0;
+ }
+ else
+ ctx->psk_identity_hint = NULL;
+ return 1;
+ }
+
+int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint)
+ {
+ if (s == NULL)
+ return 0;
+
+ if (s->session == NULL)
+ return 1; /* session not created yet, ignored */
+
+ if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN)
+ {
+ SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG);
+ return 0;
+ }
+ if (s->session->psk_identity_hint != NULL)
+ OPENSSL_free(s->session->psk_identity_hint);
+ if (identity_hint != NULL)
+ {
+ s->session->psk_identity_hint = BUF_strdup(identity_hint);
+ if (s->session->psk_identity_hint == NULL)
+ return 0;
+ }
+ else
+ s->session->psk_identity_hint = NULL;
+ return 1;
+ }
+
+const char *SSL_get_psk_identity_hint(const SSL *s)
+ {
+ if (s == NULL || s->session == NULL)
+ return NULL;
+ return(s->session->psk_identity_hint);
+ }
+
+const char *SSL_get_psk_identity(const SSL *s)
+ {
+ if (s == NULL || s->session == NULL)
+ return NULL;
+ return(s->session->psk_identity);
+ }
+#endif
void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
{
diff --git a/ssl/ssl_locl.h b/ssl/ssl_locl.h
index f8ec859c6f..2beffcb9e0 100644
--- a/ssl/ssl_locl.h
+++ b/ssl/ssl_locl.h
@@ -1,3 +1,4 @@
+
/* ssl/ssl_locl.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
@@ -113,6 +114,32 @@
* ECC cipher suite support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#ifndef HEADER_SSL_LOCL_H
#define HEADER_SSL_LOCL_H
@@ -249,7 +276,7 @@
* that the different entities within are mutually exclusive:
* ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
*/
-#define SSL_MKEY_MASK 0x000000FFL
+#define SSL_MKEY_MASK 0x080000FFL
#define SSL_kRSA 0x00000001L /* RSA key exchange */
#define SSL_kDHr 0x00000002L /* DH cert RSA CA cert */
#define SSL_kDHd 0x00000004L /* DH cert DSA CA cert */
@@ -259,8 +286,9 @@
#define SSL_kECDH 0x00000040L /* ECDH w/ long-term keys */
#define SSL_kECDHE 0x00000080L /* ephemeral ECDH */
#define SSL_EDH (SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL))
+#define SSL_kPSK 0x08000000L /* PSK */
-#define SSL_AUTH_MASK 0x00007F00L
+#define SSL_AUTH_MASK 0x10007f00L
#define SSL_aRSA 0x00000100L /* Authenticate with RSA */
#define SSL_aDSS 0x00000200L /* Authenticate with DSS */
#define SSL_DSS SSL_aDSS
@@ -269,6 +297,7 @@
#define SSL_aDH 0x00001000L /* no Authenticate, ADH */
#define SSL_aKRB5 0x00002000L /* Authenticate with KRB5 */
#define SSL_aECDSA 0x00004000L /* Authenticate with ECDSA */
+#define SSL_aPSK 0x10000000L /* PSK */
#define SSL_NULL (SSL_eNULL)
#define SSL_ADH (SSL_kEDH|SSL_aNULL)
@@ -277,6 +306,7 @@
#define SSL_ECDH (SSL_kECDH|SSL_kECDHE)
#define SSL_FZA (SSL_aFZA|SSL_kFZA|SSL_eFZA)
#define SSL_KRB5 (SSL_kKRB5|SSL_aKRB5)
+#define SSL_PSK (SSL_kPSK|SSL_aPSK)
#define SSL_ENC_MASK 0x043F8000L
#define SSL_DES 0x00008000L
@@ -298,7 +328,7 @@
#define SSL_SSLV3 0x02000000L
#define SSL_TLSV1 SSL_SSLV3 /* for now */
-/* we have used 07ffffff - 5 bits left to go. */
+/* we have used 1fffffff - 3 bits left to go. */
/*
* Export and cipher strength information. For each cipher we have to decide
diff --git a/ssl/ssl_sess.c b/ssl/ssl_sess.c
index ffacf94cc7..a4a3a4be45 100644
--- a/ssl/ssl_sess.c
+++ b/ssl/ssl_sess.c
@@ -108,6 +108,32 @@
* Hudson (tjh@cryptsoft.com).
*
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <stdio.h>
#include <openssl/lhash.h>
@@ -179,6 +205,10 @@ SSL_SESSION *SSL_SESSION_new(void)
ss->tlsext_hostname = NULL;
#endif
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data);
+#ifndef OPENSSL_NO_PSK
+ ss->psk_identity_hint=NULL;
+ ss->psk_identity=NULL;
+#endif
return(ss);
}
@@ -614,6 +644,12 @@ void SSL_SESSION_free(SSL_SESSION *ss)
if (ss->ciphers != NULL) sk_SSL_CIPHER_free(ss->ciphers);
#ifndef OPENSSL_NO_TLSEXT
if (ss->tlsext_hostname != NULL) OPENSSL_free(ss->tlsext_hostname);
+#endif
+#ifndef OPENSSL_NO_PSK
+ if (ss->psk_identity_hint != NULL)
+ OPENSSL_free(ss->psk_identity_hint);
+ if (ss->psk_identity != NULL)
+ OPENSSL_free(ss->psk_identity);
#endif
OPENSSL_cleanse(ss,sizeof(*ss));
OPENSSL_free(ss);
diff --git a/ssl/ssl_stat.c b/ssl/ssl_stat.c
index ccc010b4e2..c20a4757d1 100644
--- a/ssl/ssl_stat.c
+++ b/ssl/ssl_stat.c
@@ -55,6 +55,32 @@
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <stdio.h>
#include "ssl_locl.h"
@@ -404,6 +430,7 @@ const char *SSL_alert_desc_string(int value)
case TLS1_AD_UNRECOGNIZED_NAME: str="UN"; break;
case TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE: str="BR"; break;
case TLS1_AD_BAD_CERTIFICATE_HASH_VALUE: str="BH"; break;
+ case TLS1_AD_UNKNOWN_PSK_IDENTITY: str="UP"; break;
default: str="UK"; break;
}
return(str);
@@ -502,6 +529,9 @@ const char *SSL_alert_desc_string_long(int value)
case TLS1_AD_BAD_CERTIFICATE_HASH_VALUE:
str="bad certificate hash value";
break;
+ case TLS1_AD_UNKNOWN_PSK_IDENTITY:
+ str="unknown PSK identity";
+ break;
default: str="unknown"; break;
}
return(str);
diff --git a/ssl/ssl_txt.c b/ssl/ssl_txt.c
index 4eb0867155..f51e48b233 100644
--- a/ssl/ssl_txt.c
+++ b/ssl/ssl_txt.c
@@ -55,6 +55,32 @@
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <stdio.h>
#include <openssl/buffer.h>
@@ -151,6 +177,12 @@ int SSL_SESSION_print(BIO *bp, const SSL_SESSION *x)
if (BIO_printf(bp,"%02X",x->krb5_client_princ[i]) <= 0) goto err;
}
#endif /* OPENSSL_NO_KRB5 */
+#ifndef OPENSSL_NO_PSK
+ if (BIO_puts(bp,"\n PSK identity: ") <= 0) goto err;
+ if (BIO_printf(bp, "%s", x->psk_identity ? x->psk_identity : "None") <= 0) goto err;
+ if (BIO_puts(bp,"\n PSK identity hint: ") <= 0) goto err;
+ if (BIO_printf(bp, "%s", x->psk_identity_hint ? x->psk_identity_hint : "None") <= 0) goto err;
+#endif
#ifndef OPENSSL_NO_COMP
if (x->compress_meth != 0)
{
diff --git a/ssl/ssltest.c b/ssl/ssltest.c
index dfe18b0f1c..0d611161ab 100644
--- a/ssl/ssltest.c
+++ b/ssl/ssltest.c
@@ -113,6 +113,32 @@
* ECC cipher suite support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#define _BSD_SOURCE 1 /* Or gethostname won't be declared properly
on Linux and GNU platforms. */
@@ -207,6 +233,16 @@ static DH *get_dh1024(void);
static DH *get_dh1024dsa(void);
#endif
+
+static char *psk_key=NULL; /* by default PSK is not used */
+#ifndef OPENSSL_NO_PSK
+static unsigned int psk_client_callback(SSL *ssl, const char *hint, char *identity,
+ unsigned int max_identity_len, unsigned char *psk,
+ unsigned int max_psk_len);
+static unsigned int psk_server_callback(SSL *ssl, const char *identity, unsigned char *psk,
+ unsigned int max_psk_len);
+#endif
+
static BIO *bio_err=NULL;
static BIO *bio_stdout=NULL;
@@ -247,6 +283,9 @@ static void sv_usage(void)
#ifndef OPENSSL_NO_ECDH
fprintf(stderr," -no_ecdhe - disable ECDHE\n");
#endif
+#ifndef OPENSSL_NO_PSK
+ fprintf(stderr," -psk arg - PSK in hex (without 0x)\n");
+#endif
#ifndef OPENSSL_NO_SSL2
fprintf(stderr," -ssl2 - use SSLv2\n");
#endif
@@ -417,6 +456,7 @@ int main(int argc, char *argv[])
#endif
int no_dhe = 0;
int no_ecdhe = 0;
+ int no_psk = 0;
int print_time = 0;
clock_t s_time = 0, c_time = 0;
int comp = 0;
@@ -496,6 +536,20 @@ int main(int argc, char *argv[])
no_dhe=1;
else if (strcmp(*argv,"-no_ecdhe") == 0)
no_ecdhe=1;
+ else if (strcmp(*argv,"-psk") == 0)
+ {
+ if (--argc < 1) goto bad;
+ psk_key=*(++argv);
+#ifndef OPENSSL_NO_PSK
+ if (strspn(psk_key, "abcdefABCDEF1234567890") != strlen(psk_key))
+ {
+ BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
+ goto bad;
+ }
+#else
+ no_psk=1;
+#endif
+ }
else if (strcmp(*argv,"-ssl2") == 0)
ssl2=1;
else if (strcmp(*argv,"-tls1") == 0)
@@ -833,6 +887,31 @@ bad:
SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
}
+ /* Use PSK only if PSK key is given */
+ if (psk_key != NULL)
+ {
+ /* no_psk is used to avoid putting psk command to openssl tool */
+ if (no_psk)
+ {
+ /* if PSK is not compiled in and psk key is
+ * given, do nothing and exit successfully */
+ ret=0;
+ goto end;
+ }
+#ifndef OPENSSL_NO_PSK
+ SSL_CTX_set_psk_client_callback(c_ctx, psk_client_callback);
+ SSL_CTX_set_psk_server_callback(s_ctx, psk_server_callback);
+ if (debug)
+ BIO_printf(bio_err,"setting PSK identity hint to s_ctx\n");
+ if (!SSL_CTX_use_psk_identity_hint(s_ctx, "ctx server identity_hint"))
+ {
+ BIO_printf(bio_err,"error setting PSK identity hint to s_ctx\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+#endif
+ }
+
c_ssl=SSL_new(c_ctx);
s_ssl=SSL_new(s_ctx);
@@ -2236,6 +2315,69 @@ static DH *get_dh1024dsa()
}
#endif
+#ifndef OPENSSL_NO_PSK
+/* convert the PSK key (psk_key) in ascii to binary (psk) */
+static int psk_key2bn(const char *pskkey, unsigned char *psk,
+ unsigned int max_psk_len)
+ {
+ int ret;
+ BIGNUM *bn = NULL;
+
+ ret = BN_hex2bn(&bn, pskkey);
+ if (!ret)
+ {
+ BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", pskkey);
+ if (bn)
+ BN_free(bn);
+ return 0;
+ }
+ if (BN_num_bytes(bn) > (int)max_psk_len)
+ {
+ BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
+ max_psk_len, BN_num_bytes(bn));
+ BN_free(bn);
+ return 0;
+ }
+ ret = BN_bn2bin(bn, psk);
+ BN_free(bn);
+ return ret;
+ }
+
+static unsigned int psk_client_callback(SSL *ssl, const char *hint, char *identity,
+ unsigned int max_identity_len, unsigned char *psk,
+ unsigned int max_psk_len)
+ {
+ int ret;
+ unsigned int psk_len = 0;
+
+ ret = snprintf(identity, max_identity_len, "Client_identity");
+ if (ret < 0)
+ goto out_err;
+ if (debug)
+ fprintf(stderr, "client: created identity '%s' len=%d\n", identity, ret);
+ ret = psk_key2bn(psk_key, psk, max_psk_len);
+ if (ret < 0)
+ goto out_err;
+ psk_len = ret;
+out_err:
+ return psk_len;
+ }
+
+static unsigned int psk_server_callback(SSL *ssl, const char *identity,
+ unsigned char *psk, unsigned int max_psk_len)
+ {
+ unsigned int psk_len=0;
+
+ if (strcmp(identity, "Client_identity") != 0)
+ {
+ BIO_printf(bio_err, "server: PSK error: client identity not found\n");
+ return 0;
+ }
+ psk_len=psk_key2bn(psk_key, psk, max_psk_len);
+ return psk_len;
+ }
+#endif
+
static int do_test_cipherlist(void)
{
int i = 0;
diff --git a/ssl/t1_enc.c b/ssl/t1_enc.c
index 6b4884ab1f..cf38aa02f2 100644
--- a/ssl/t1_enc.c
+++ b/ssl/t1_enc.c
@@ -108,6 +108,32 @@
* Hudson (tjh@cryptsoft.com).
*
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <stdio.h>
#include "ssl_locl.h"
@@ -828,6 +854,7 @@ int tls1_alert_code(int code)
case SSL_AD_UNRECOGNIZED_NAME: return(TLS1_AD_UNRECOGNIZED_NAME);
case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: return(TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE);
case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: return(TLS1_AD_BAD_CERTIFICATE_HASH_VALUE);
+ case SSL_AD_UNKNOWN_PSK_IDENTITY:return(TLS1_AD_UNKNOWN_PSK_IDENTITY);
#if 0 /* not appropriate for TLS, not used for DTLS */
case DTLS1_AD_MISSING_HANDSHAKE_MESSAGE: return
(DTLS1_AD_MISSING_HANDSHAKE_MESSAGE);
diff --git a/ssl/tls1.h b/ssl/tls1.h
index 0a9c1ea500..4a33278a74 100644
--- a/ssl/tls1.h
+++ b/ssl/tls1.h
@@ -121,6 +121,32 @@
* Vipul Gupta and Sumit Gupta of Sun Microsystems Laboratories.
*
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#ifndef HEADER_TLS1_H
#define HEADER_TLS1_H
@@ -155,6 +181,7 @@ extern "C" {
#define TLS1_AD_UNRECOGNIZED_NAME 112
#define TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE 113
#define TLS1_AD_BAD_CERTIFICATE_HASH_VALUE 114
+#define TLS1_AD_UNKNOWN_PSK_IDENTITY 115 /* fatal */
/* ExtensionType values from RFC 3546 */
#define TLSEXT_TYPE_server_name 0
@@ -191,6 +218,11 @@ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG,0, (void *)arg)
#endif
+/* PSK ciphersuites from 4279 */
+#define TLS1_CK_PSK_WITH_RC4_128_SHA 0x0300008A
+#define TLS1_CK_PSK_WITH_3DES_EDE_CBC_SHA 0x0300008B
+#define TLS1_CK_PSK_WITH_AES_128_CBC_SHA 0x0300008C
+#define TLS1_CK_PSK_WITH_AES_256_CBC_SHA 0x0300008D
/* Additional TLS ciphersuites from expired Internet Draft
* draft-ietf-tls-56-bit-ciphersuites-01.txt
@@ -313,6 +345,12 @@ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG,0, (void *)arg)
#define TLS1_TXT_ECDH_anon_WITH_AES_128_CBC_SHA "AECDH-AES128-SHA"
#define TLS1_TXT_ECDH_anon_WITH_AES_256_CBC_SHA "AECDH-AES256-SHA"
+/* PSK ciphersuites from RFC 4279 */
+#define TLS1_TXT_PSK_WITH_RC4_128_SHA "PSK-RC4-SHA"
+#define TLS1_TXT_PSK_WITH_3DES_EDE_CBC_SHA "PSK-3DES-EDE-CBC-SHA"
+#define TLS1_TXT_PSK_WITH_AES_128_CBC_SHA "PSK-AES128-CBC-SHA"
+#define TLS1_TXT_PSK_WITH_AES_256_CBC_SHA "PSK-AES256-CBC-SHA"
+
#define TLS_CT_RSA_SIGN 1
#define TLS_CT_DSS_SIGN 2
#define TLS_CT_RSA_FIXED_DH 3
diff --git a/test/testssl b/test/testssl
index 8ac90ae5ee..f9d7c5d65f 100644
--- a/test/testssl
+++ b/test/testssl
@@ -142,4 +142,10 @@ else
fi
fi
+echo test tls1 with PSK
+$ssltest -tls1 -cipher PSK -psk abc123 $extra || exit 1
+
+echo test tls1 with PSK via BIO pair
+$ssltest -bio_pair -tls1 -cipher PSK -psk abc123 $extra || exit 1
+
exit 0