--- /dev/null
+/* crypto/engine/hw_aep.c */
+/*
+ */
+/* ====================================================================
+ * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include <openssl/bn.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <openssl/crypto.h>
+#include "cryptlib.h"
+#include <openssl/dso.h>
+#include "engine_int.h"
+#include <openssl/engine.h>
+
+#ifndef NO_HW
+#ifndef NO_HW_AEP
+#ifdef FLAT_INC
+#include "aep.h"
+#else
+#include "vendor_defns/aep.h"
+#endif
+
+
+static int aep_init(void);
+static int aep_finish(void);
+static int aep_get_connection(AEP_CONNECTION_HNDL *hConnection);
+static int aep_return_connection(AEP_CONNECTION_HNDL hConnection);
+
+/* BIGNUM stuff */
+static int aep_mod_exp(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx);
+
+/* RSA stuff */
+static int aep_rsa_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa);
+/* This function is aliased to mod_exp (with the mont stuff dropped). */
+static int aep_mod_exp_mont(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+
+/* DSA stuff */
+static int aep_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
+ BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
+ BN_CTX *ctx, BN_MONT_CTX *in_mont);
+
+static int aep_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
+ const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx);
+
+/* DH stuff */
+/* This function is aliased to mod_exp (with the DH and mont dropped). */
+static int aep_mod_exp_dh(DH *dh, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+
+/* rand stuff */
+static int aep_rand(unsigned char *buf, int num);
+
+/* Our internal RSA_METHOD that we provide pointers to */
+static RSA_METHOD aep_rsa =
+{
+ "Aep RSA method",
+ NULL, /*rsa_pub_encrypt*/
+ NULL, /*rsa_pub_decrypt*/
+ NULL, /*rsa_priv_encrypt*/
+ NULL, /*rsa_priv_encrypt*/
+ aep_rsa_mod_exp, /*rsa_mod_exp*/
+ aep_mod_exp_mont, /*bn_mod_exp*/
+ NULL, /*init*/
+ NULL, /*finish*/
+ 0, /*flags*/
+ NULL, /*app_data*/
+ NULL, /*rsa_sign*/
+ NULL /*rsa_verify*/
+};
+
+/* Our internal DSA_METHOD that we provide pointers to */
+static DSA_METHOD aep_dsa =
+{
+ "Aep DSA method",
+ NULL, /* dsa_do_sign */
+ NULL, /* dsa_sign_setup */
+ NULL, /* dsa_do_verify */
+ aep_dsa_mod_exp, /* dsa_mod_exp */
+ aep_mod_exp_dsa, /* bn_mod_exp */
+ NULL, /* init */
+ NULL, /* finish */
+ 0, /* flags */
+ NULL /* app_data */
+};
+
+/* Our internal DH_METHOD that we provide pointers to */
+static DH_METHOD aep_dh =
+{
+ "Aep DH method",
+ NULL,
+ NULL,
+ aep_mod_exp_dh,
+ NULL,
+ NULL,
+ 0,
+ NULL
+};
+/* our internal RAND_method that we provide pointers to */
+static RAND_METHOD aep_random =
+{
+ /*"AEP RAND method", */
+ NULL,
+ aep_rand,
+ NULL,
+ NULL,
+ aep_rand,
+ NULL,
+};
+
+/* Our ENGINE structure. */
+static ENGINE engine_aep =
+{
+ "aep",
+ "Aep hardware engine support",
+ &aep_rsa,
+ &aep_dsa,
+ &aep_dh,
+ &aep_random,
+ aep_mod_exp,
+ NULL,
+ aep_init,
+ aep_finish,
+ NULL, /* no ctrl() */
+ NULL, /* no load_privkey() */
+ NULL, /* no load_pubkey() */
+ 0, /* no flags */
+ 0, 0, /* no references */
+ NULL, NULL /* unlinked */
+};
+
+/*Define an array of structures to hold connections*/
+static AEP_CONNECTION_ENTRY aep_app_conn_table[MAX_PROCESS_CONNECTIONS];
+
+/*Used to determine if this is a new process*/
+static pid_t recorded_pid = 0;
+
+static int rnd_reference;
+
+static AEP_U8 rand_block[RAND_BLK_SIZE];
+static AEP_U32 rand_block_bytes = 0;
+
+
+
+/* As this is only ever called once, there's no need for locking
+ * (indeed - the lock will already be held by our caller!!!) */
+ENGINE *ENGINE_aep()
+{
+ RSA_METHOD *meth1;
+ DSA_METHOD *meth2;
+ DH_METHOD *meth3;
+
+ /* We know that the "PKCS1_SSLeay()" functions hook properly
+ * to the aep-specific mod_exp and mod_exp_crt so we use
+ * those functions. NB: We don't use ENGINE_openssl() or
+ * anything "more generic" because something like the RSAref
+ * code may not hook properly, and if you own one of these
+ * cards then you have the right to do RSA operations on it
+ * anyway! */
+ meth1 = RSA_PKCS1_SSLeay();
+ aep_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
+ aep_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
+ aep_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
+ aep_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
+
+
+ /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
+ * bits. */
+ meth2 = DSA_OpenSSL();
+ aep_dsa.dsa_do_sign = meth2->dsa_do_sign;
+ aep_dsa.dsa_sign_setup = meth2->dsa_sign_setup;
+ aep_dsa.dsa_do_verify = meth2->dsa_do_verify;
+
+ aep_dsa = *DSA_get_default_openssl_method();
+ aep_dsa.dsa_mod_exp = aep_dsa_mod_exp;
+ aep_dsa.bn_mod_exp = aep_mod_exp_dsa;
+
+ /* Much the same for Diffie-Hellman */
+ meth3 = DH_OpenSSL();
+ aep_dh.generate_key = meth3->generate_key;
+ aep_dh.compute_key = meth3->compute_key;
+ aep_dh.bn_mod_exp = meth3->bn_mod_exp;
+
+ return &engine_aep;
+}
+
+/* This is a process-global DSO handle used for loading and unloading
+ * the Aep library. NB: This is only set (or unset) during an
+ * init() or finish() call (reference counts permitting) and they're
+ * operating with global locks, so this should be thread-safe
+ * implicitly. */
+static DSO *aep_dso = NULL;
+
+/* These are the function pointers that are (un)set when the library has
+ * successfully (un)loaded. */
+static t_AEP_OpenConnection *p_AEP_OpenConnection = NULL;
+static t_AEP_ModExp *p_AEP_ModExp = NULL;
+static t_AEP_ModExpCrt *p_AEP_ModExpCrt = NULL;
+static t_AEP_GenRandom *p_AEP_GenRandom = NULL;
+static t_AEP_Initialize *p_AEP_Initialize = NULL;
+static t_AEP_Finalize *p_AEP_Finalize = NULL;
+static t_AEP_SetBNCallBacks *p_AEP_SetBNCallBacks = NULL;
+
+/* (de)initialisation functions. */
+static int aep_init()
+{
+ t_AEP_ModExp *p1;
+ t_AEP_ModExpCrt *p2;
+ t_AEP_GenRandom *p3;
+ t_AEP_Finalize *p4;
+ t_AEP_Initialize *p5;
+ t_AEP_OpenConnection *p6;
+ t_AEP_SetBNCallBacks *p7;
+
+ unsigned int hConnection,rv;
+
+ int to_return = 0;
+
+
+ if(aep_dso != NULL)
+ {
+ ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_ALREADY_LOADED);
+ goto err;
+ }
+ /* Attempt to load libaep.so. */
+
+ aep_dso = DSO_load(NULL, AEP_LIBNAME, NULL,
+ DSO_FLAG_NAME_TRANSLATION);
+
+ if(aep_dso == NULL)
+ {
+ ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_DSO_FAILURE);
+ goto err;
+ }
+
+ if(!(p1 = (t_AEP_ModExp *) DSO_bind_func( aep_dso,AEP_F1)) ||
+ !(p2 = (t_AEP_ModExpCrt*) DSO_bind_func( aep_dso,AEP_F2)) ||
+ !(p3 = (t_AEP_GenRandom*) DSO_bind_func( aep_dso,AEP_F3)) ||
+ !(p4 = (t_AEP_Finalize*) DSO_bind_func( aep_dso,AEP_F4)) ||
+ !(p5 = (t_AEP_Initialize*) DSO_bind_func( aep_dso,AEP_F5)) ||
+ !(p6 = (t_AEP_OpenConnection*) DSO_bind_func( aep_dso,AEP_F6)) ||
+ !(p7 = (t_AEP_SetBNCallBacks*) DSO_bind_func( aep_dso,AEP_F7)))
+ {
+
+ ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_DSO_FAILURE);
+ goto err;
+ }
+
+ /* Copy the pointers */
+
+ p_AEP_ModExp = p1;
+ p_AEP_ModExpCrt = p2;
+ p_AEP_GenRandom = p3;
+ p_AEP_Finalize = p4;
+ p_AEP_Initialize = p5;
+ p_AEP_OpenConnection = p6;
+ p_AEP_SetBNCallBacks = p7;
+
+
+ /* Perform a basic test to see if there's actually any unit
+ * running. */
+
+ CRYPTO_add(&rnd_reference, 1, CRYPTO_LOCK_DYNLOCK);
+
+ rv = aep_get_connection(&hConnection);
+
+ if (rv != AEP_R_OK)
+ goto err;
+
+ /* Everything's fine. */
+
+ rv = aep_return_connection(hConnection);
+
+ to_return = 1;
+
+ return to_return;
+
+ err:
+
+ if(aep_dso)
+ DSO_free(aep_dso);
+
+ p_AEP_OpenConnection = NULL;
+ p_AEP_ModExp = NULL;
+ p_AEP_ModExpCrt = NULL;
+ p_AEP_GenRandom = NULL;
+ p_AEP_Initialize = NULL;
+ p_AEP_Finalize = NULL;
+ p_AEP_SetBNCallBacks = NULL;
+
+ return to_return;
+
+}
+
+static int aep_finish()
+{
+ int to_return = 0;
+
+ if(aep_dso == NULL)
+ {
+ ENGINEerr(ENGINE_F_AEP_FINISH,ENGINE_R_NOT_LOADED);
+ goto err;
+ }
+ if(!DSO_free(aep_dso))
+ {
+ ENGINEerr(ENGINE_F_AEP_FINISH,ENGINE_R_DSO_FAILURE);
+ goto err;
+ }
+
+ aep_dso = NULL;
+ p_AEP_OpenConnection = NULL;
+ p_AEP_ModExp = NULL;
+ p_AEP_ModExpCrt = NULL;
+ p_AEP_GenRandom = NULL;
+ p_AEP_Initialize = NULL;
+ p_AEP_Finalize = NULL;
+ p_AEP_SetBNCallBacks = NULL;
+
+ CRYPTO_add(&rnd_reference, -1, CRYPTO_LOCK_DYNLOCK);
+
+ to_return = 1;
+ err:
+ return to_return;
+}
+
+static int aep_mod_exp(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx)
+{
+ int to_return = 0;
+
+ unsigned int hConnection, rv;
+
+ /*Grab a connection from the pool*/
+ rv = aep_get_connection(&hConnection);
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_MOD_EXP,ENGINE_R_GET_HANDLE_FAILED);
+ goto err;
+ }
+
+ /*To the card with the mod exp*/
+ rv = p_AEP_ModExp(hConnection,(void*)a, (void*)p,(void*)m, (void*)r,NULL);
+
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_MOD_EXP,ENGINE_R_MOD_EXP_FAILED);
+ rv = aep_return_connection(hConnection);
+ goto err;
+ }
+
+ /*Return the connection to the pool*/
+ rv = aep_return_connection(hConnection);
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_RETURN_CONNECTION_FAILED);
+ goto err;
+ }
+
+ to_return = 1;
+ err:
+ return to_return;
+}
+
+static int aep_mod_exp_crt(BIGNUM *r, BIGNUM *a, const BIGNUM *p, const BIGNUM *q ,
+ const BIGNUM *dmp1,const BIGNUM *dmq1,const BIGNUM *iqmp, BN_CTX *ctx)
+{
+ AEP_RV rv = AEP_R_OK;
+ AEP_U32 hConnection;
+
+ /*Grab a connection from the pool*/
+ rv = aep_get_connection(&hConnection);
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_MOD_EXP_CRT,ENGINE_R_GET_HANDLE_FAILED);
+ goto err;
+ }
+
+ /*To the card with the mod exp*/
+ rv = p_AEP_ModExpCrt(hConnection,(void*)a, (void*)p, (void*)q, (void*)dmp1,(void*)dmq1,
+ (void*)iqmp,(void*)r,NULL);
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_MOD_EXP_CRT,ENGINE_R_MOD_EXP_CRT_FAILED);
+ rv = aep_return_connection(hConnection);
+ goto err;
+ }
+
+ /*Return the connection to the pool*/
+ rv = aep_return_connection(hConnection);
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_RETURN_CONNECTION_FAILED);
+ goto err;
+ }
+
+ err:
+ return rv;
+}
+
+
+static int aep_rand(unsigned char *buf,int len )
+{
+ AEP_RV rv = AEP_R_OK;
+ AEP_U32 hConnection;
+
+ int to_return = 0;
+
+
+ CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+
+ /*Can the request be serviced with what's already in the buffer?*/
+ if (len <= rand_block_bytes)
+ {
+ memcpy(buf, &rand_block[RAND_BLK_SIZE - rand_block_bytes], len);
+ rand_block_bytes -= len;
+ }
+ else
+ /*If not the get another block of random bytes*/
+ {
+ rv = aep_get_connection(&hConnection);
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_GET_HANDLE_FAILED);
+ CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+ goto err;
+ }
+
+ if (len > RAND_BLK_SIZE)
+ {
+ rv = p_AEP_GenRandom(hConnection, len, 2, buf, NULL);
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_GET_RANDOM_FAILED);
+ CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+ goto err;
+ }
+ }
+ else
+ {
+ rv = p_AEP_GenRandom(hConnection, RAND_BLK_SIZE, 2, &rand_block[0], NULL);
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_GET_RANDOM_FAILED);
+
+ CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+ goto err;
+ }
+
+ rand_block_bytes = RAND_BLK_SIZE;
+
+ memcpy(buf, &rand_block[RAND_BLK_SIZE - rand_block_bytes], len);
+ rand_block_bytes -= len;
+ }
+
+ rv = aep_return_connection(hConnection);
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_RETURN_CONNECTION_FAILED);
+
+ CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+ goto err;
+ }
+ }
+
+ CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+ to_return = 1;
+ err:
+ return to_return;
+}
+
+
+static int aep_rsa_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa)
+{
+ BN_CTX *ctx = NULL;
+
+ int to_return = 0;
+
+ AEP_RV rv = AEP_R_OK;
+
+ if (!aep_dso)
+ {
+ ENGINEerr(ENGINE_F_AEP_RSA_MOD_EXP,ENGINE_R_NOT_LOADED);
+ goto err;
+ }
+
+ /*See if we have all the necessary bits for a crt*/
+ if (rsa->q && rsa->dmp1 && rsa->dmq1 && rsa->iqmp)
+ {
+ rv = aep_mod_exp_crt(r0,I,rsa->p,rsa->q, rsa->dmp1,rsa->dmq1,rsa->iqmp,ctx);
+ if (rv != AEP_R_OK)
+ goto err;
+ }
+ else
+ {
+ if (!rsa->d || !rsa->n)
+ {
+ ENGINEerr(ENGINE_F_AEP_RSA_MOD_EXP,ENGINE_R_MISSING_KEY_COMPONENTS);
+ goto err;
+ }
+
+ rv = aep_mod_exp(r0,I,rsa->d,rsa->n,ctx);
+ if (rv != AEP_R_OK)
+ goto err;
+
+ }
+
+ to_return = 1;
+
+ err:
+ if(ctx)
+ BN_CTX_free(ctx);
+ return to_return;
+}
+
+
+static int aep_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
+ BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
+ BN_CTX *ctx, BN_MONT_CTX *in_mont)
+{
+ BIGNUM t;
+ int to_return = 0;
+ BN_init(&t);
+
+ /* let rr = a1 ^ p1 mod m */
+ if (!aep_mod_exp(rr,a1,p1,m,ctx)) goto end;
+ /* let t = a2 ^ p2 mod m */
+ if (!aep_mod_exp(&t,a2,p2,m,ctx)) goto end;
+ /* let rr = rr * t mod m */
+ if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
+ to_return = 1;
+ end:
+ BN_free(&t);
+ return to_return;
+}
+
+
+static int aep_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
+ const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx)
+{
+ return aep_mod_exp(r, a, p, m, ctx);
+
+}
+
+/* This function is aliased to mod_exp (with the mont stuff dropped). */
+static int aep_mod_exp_mont(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+{
+ return aep_mod_exp(r, a, p, m, ctx);
+
+}
+
+/* This function is aliased to mod_exp (with the dh and mont dropped). */
+static int aep_mod_exp_dh(DH *dh, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+{
+ return aep_mod_exp(r, a, p, m, ctx);
+
+}
+
+static int aep_get_connection(AEP_CONNECTION_HNDL *hConnection)
+{
+ int count;
+ AEP_RV rv = AEP_R_OK;
+
+ /*Get the current process id*/
+ pid_t curr_pid;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+
+ curr_pid = getpid();
+
+ /*Check if this is the first time this is being called from the current
+ process*/
+ if (recorded_pid != curr_pid)
+ {
+ recorded_pid = curr_pid;
+
+ /*Call Finalize to make sure we have not inherited some data from a parent
+ process*/
+ p_AEP_Finalize();
+
+ /*Initialise the AEP API*/
+ rv = p_AEP_Initialize(NULL);
+
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_AEP_INIT_FAILURE);
+ recorded_pid = 0;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ return rv;
+ }
+
+ /*Set the AEP big num call back functions*/
+ rv = p_AEP_SetBNCallBacks(&GetBigNumSize, &MakeAEPBigNum, &ConvertAEPBigNum);
+
+ if (rv != AEP_R_OK)
+ {
+
+ ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_SETBNCALLBACK_FAILURE);
+ recorded_pid = 0;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ return rv;
+ }
+
+ /*Reset the rand byte count*/
+ rand_block_bytes = 0;
+
+ /*Init the structures*/
+ for (count = 0;count < MAX_PROCESS_CONNECTIONS;count ++)
+ {
+ aep_app_conn_table[count].conn_state = NotConnected;
+ aep_app_conn_table[count].conn_hndl = 0;
+ }
+
+ /*Open a connection*/
+ rv = p_AEP_OpenConnection(hConnection);
+
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_UNIT_FAILURE);
+ recorded_pid = 0;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ return rv;
+ }
+
+ aep_app_conn_table[0].conn_state = InUse;
+
+ aep_app_conn_table[0].conn_hndl = *hConnection;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+
+ return (rv);
+ }
+ /*Check the existing connections to see if we can find a free one*/
+ for (count = 0;count < MAX_PROCESS_CONNECTIONS;count ++)
+ {
+
+ if (aep_app_conn_table[count].conn_state == Connected)
+ {
+ aep_app_conn_table[count].conn_state = InUse;
+ *hConnection = aep_app_conn_table[count].conn_hndl;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ return rv;
+ }
+ }
+ /*If no connections available, we're going to have to try to open a new one*/
+ for (count = 0;count < MAX_PROCESS_CONNECTIONS;count ++)
+ {
+ if (aep_app_conn_table[count].conn_state == NotConnected)
+ {
+ /*Open a connection*/
+ rv = p_AEP_OpenConnection(hConnection);
+
+ if (rv != AEP_R_OK)
+ {
+ ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_UNIT_FAILURE);
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ return rv;
+ }
+
+ aep_app_conn_table[count].conn_state = InUse;
+
+ aep_app_conn_table[count].conn_hndl = *hConnection;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ return rv;
+ }
+ }
+
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ return AEP_R_GENERAL_ERROR;
+}
+
+
+static int aep_return_connection(AEP_CONNECTION_HNDL hConnection)
+{
+ int count;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+
+ /*Find the connection item that matches this connection handle*/
+ for(count = 0;count < MAX_PROCESS_CONNECTIONS;count ++)
+ {
+
+ if (aep_app_conn_table[count].conn_hndl == hConnection)
+ {
+ aep_app_conn_table[count].conn_state = Connected;
+ break;
+ }
+ }
+
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+
+ return AEP_R_OK;
+}
+
+/*BigNum call back functions, used to convert OpenSSL bignums into AEP bignums.
+Note only 32bit Openssl build support*/
+
+AEP_RV GetBigNumSize(void* ArbBigNum, AEP_U32* BigNumSize)
+{
+ BIGNUM* bn;
+
+ /*Cast the ArbBigNum pointer to our BIGNUM struct*/
+ bn = (BIGNUM*) ArbBigNum;
+
+#ifdef SIXTY_FOUR_BIT_LONG
+ *BigNumSize = bn->top << 3;
+#else
+ /*Size of the bignum in bytes is equal to the bn->top (no of 32 bit words) multiplies by 4*/
+ *BigNumSize = bn->top << 2;
+#endif
+
+ return AEP_R_OK;
+}
+
+AEP_RV MakeAEPBigNum(void* ArbBigNum, AEP_U32 BigNumSize, unsigned char* AEP_BigNum)
+{
+ BIGNUM* bn;
+
+#ifndef SIXTY_FOUR_BIT_LONG
+ unsigned char* buf;
+ int i;
+#endif
+
+ /*Cast the ArbBigNum pointer to our BIGNUM struct*/
+ bn = (BIGNUM*) ArbBigNum;
+
+#ifdef SIXTY_FOUR_BIT_LONG
+ memcpy(AEP_BigNum, bn->d, BigNumSize);
+#else
+ /*Must copy data into a (monotone) least significant byte first format
+ performing endian conversion if necessary*/
+ for(i=0;i<bn->top;i++)
+ {
+ buf = (unsigned char*)&bn->d[i];
+
+ *((AEP_U32*)AEP_BigNum) = (AEP_U32) ((unsigned) buf[1] << 8 | buf[0]) |
+ ((unsigned) buf[3] << 8 | buf[2]) << 16;
+
+ AEP_BigNum += 4;
+ }
+#endif
+
+ return AEP_R_OK;
+}
+
+/*Turn an AEP Big Num back to a user big num*/
+AEP_RV ConvertAEPBigNum(void* ArbBigNum, AEP_U32 BigNumSize, unsigned char* AEP_BigNum)
+{
+ BIGNUM* bn;
+#ifndef SIXTY_FOUR_BIT_LONG
+ int i;
+#endif
+
+ bn = (BIGNUM*)ArbBigNum;
+
+ /*Expand the result bn so that it can hold our big num. Size is in bits*/
+ bn_expand(bn, (int)(BigNumSize << 3));
+
+#ifdef SIXTY_FOUR_BIT_LONG
+ bn->top = BigNumSize >> 3;
+
+ if((BigNumSize & 7) != 0)
+ bn->top++;
+
+ memset(bn->d, 0, bn->top << 3);
+
+ memcpy(bn->d, AEP_BigNum, BigNumSize);
+#else
+ bn->top = BigNumSize >> 2;
+
+ for(i=0;i<bn->top;i++)
+ {
+ bn->d[i] = (AEP_U32) ((unsigned) AEP_BigNum[3] << 8 | AEP_BigNum[2]) << 16 |
+ ((unsigned) AEP_BigNum[1] << 8 | AEP_BigNum[0]);
+ AEP_BigNum += 4;
+ }
+#endif
+
+ return AEP_R_OK;
+}
+
+#endif /* !NO_HW_AEP */
+#endif /* !NO_HW */
--- /dev/null
+/* This header declares the necessary definitions for using the exponentiation
+ * acceleration capabilities, and rnd number generation of the AEP card.
+ *
+ */
+
+/*
+ *
+ * Some AEP defines
+ *
+ */
+
+/*Successful return value*/
+#define AEP_R_OK 0x00000000
+
+/*Miscelleanous unsuccessful return value*/
+#define AEP_R_GENERAL_ERROR 0x10000001
+
+/*Insufficient host memory*/
+#define AEP_R_HOST_MEMORY 0x10000002
+
+#define AEP_R_FUNCTION_FAILED 0x10000006
+
+/*Invalid arguments in function call*/
+#define AEP_R_ARGUMENTS_BAD 0x10020000
+
+#define AEP_R_NO_TARGET_RESOURCES 0x10030000
+
+/*Error occuring on socket operation*/
+#define AEP_R_SOCKERROR 0x10000010
+
+/*Socket has been closed from the other end*/
+#define AEP_R_SOCKEOF 0x10000011
+
+/*Invalid handles*/
+#define AEP_R_CONNECTION_HANDLE_INVALID 0x100000B3
+
+#define AEP_R_TRANSACTION_HANDLE_INVALID 0x10040000
+
+/*Transaction has not yet returned from accelerator*/
+#define AEP_R_TRANSACTION_NOT_READY 0x00010000
+
+/*There is already a thread waiting on this transaction*/
+#define AEP_R_TRANSACTION_CLAIMED 0x10050000
+
+/*The transaction timed out*/
+#define AEP_R_TIMED_OUT 0x10060000
+
+#define AEP_R_FXN_NOT_IMPLEMENTED 0x10070000
+
+#define AEP_R_TARGET_ERROR 0x10080000
+
+/*Error in the AEP daemon process*/
+#define AEP_R_DAEMON_ERROR 0x10090000
+
+/*Invalid ctx id*/
+#define AEP_R_INVALID_CTX_ID 0x10009000
+
+#define AEP_R_NO_KEY_MANAGER 0x1000a000
+
+/*Error obtaining a mutex*/
+#define AEP_R_MUTEX_BAD 0x000001A0
+
+/*Fxn call before AEP_Initialise ot after AEP_Finialise*/
+#define AEP_R_AEPAPI_NOT_INITIALIZED 0x10000190
+
+/*AEP_Initialise has already been called*/
+#define AEP_R_AEPAPI_ALREADY_INITIALIZED 0x10000191
+
+/*Maximum number of connections to daemon reached*/
+#define AEP_R_NO_MORE_CONNECTION_HNDLS 0x10000200
+
+/*
+ *
+ * Some AEP Type definitions
+ *
+ */
+
+/* an unsigned 8-bit value */
+typedef unsigned char AEP_U8;
+
+/* an unsigned 8-bit character */
+typedef char AEP_CHAR;
+
+/* a BYTE-sized Boolean flag */
+typedef AEP_U8 AEP_BBOOL;
+
+/*Unsigned value, at least 16 bits long*/
+typedef unsigned short AEP_U16;
+
+/* an unsigned value, at least 32 bits long */
+typedef unsigned int AEP_U32;
+
+/*#if defined(AEP_Win32)*/
+/* 64 bit unsigned value */
+/*typedef unsigned _int64 AEP_U64;
+
+#elif defined(AEP_GENERIC)*/
+/* 64 bit unsigned value */
+typedef unsigned long long AEP_U64;
+/*#endif*/
+
+/* at least 32 bits; each bit is a Boolean flag */
+typedef AEP_U32 AEP_FLAGS;
+
+typedef AEP_U8 *AEP_U8_PTR;
+typedef AEP_CHAR *AEP_CHAR_PTR;
+typedef AEP_U32 *AEP_U32_PTR;
+typedef AEP_U64 *AEP_U64_PTR;
+typedef void *AEP_VOID_PTR;
+
+/* Pointer to a AEP_VOID_PTR-- i.e., pointer to pointer to void */
+typedef AEP_VOID_PTR *AEP_VOID_PTR_PTR;
+
+/*Used to identify an AEP connection handle*/
+typedef AEP_U32 AEP_CONNECTION_HNDL;
+
+/*Pointer to an AEP connection handle*/
+typedef AEP_CONNECTION_HNDL *AEP_CONNECTION_HNDL_PTR;
+
+/*Used by an application (in conjunction with the apps process id) to
+identify an individual transaction*/
+typedef AEP_U32 AEP_TRANSACTION_ID;
+
+/*Pointer to an applications transaction identifier*/
+typedef AEP_TRANSACTION_ID *AEP_TRANSACTION_ID_PTR;
+
+/*Return value type*/
+typedef AEP_U32 AEP_RV;
+
+#define MAX_PROCESS_CONNECTIONS 5
+
+#define RAND_BLK_SIZE 1024
+
+typedef enum{
+ NotConnected= 0,
+ Connected= 1,
+ InUse= 2
+} AEP_CONNECTION_STATE;
+
+
+typedef struct AEP_CONNECTION_ENTRY{
+ AEP_CONNECTION_STATE conn_state;
+ AEP_CONNECTION_HNDL conn_hndl;
+} AEP_CONNECTION_ENTRY;
+
+
+AEP_RV GetBigNumSize(void* ArbBigNum, AEP_U32* BigNumSize);
+AEP_RV MakeAEPBigNum(void* ArbBigNum, AEP_U32 BigNumSize, unsigned char* AEP_BigNum);
+AEP_RV ConvertAEPBigNum(void* ArbBigNum, AEP_U32 BigNumSize, unsigned char* AEP_BigNum);
+
+
+
+typedef unsigned int t_AEP_OpenConnection(unsigned int *phConnection);
+
+typedef unsigned int t_AEP_ModExp(unsigned int hConnection, void *a, void *p,
+ void *n, void *r,unsigned long long *tranid);
+
+typedef unsigned int t_AEP_ModExpCrt(unsigned int hConnection,void *a, void *p,
+ void *q, void *dmp1, void *dmq1,void *iqmp,
+ void *r,unsigned long long *tranid);
+
+typedef unsigned int t_AEP_GenRandom(AEP_CONNECTION_HNDL hConnection,
+ AEP_U32 Len,
+ AEP_U32 Type,
+ AEP_VOID_PTR pResult,
+ AEP_TRANSACTION_ID* pidTransID
+ );
+
+
+
+typedef unsigned int t_AEP_Initialize(AEP_VOID_PTR pInitArgs);
+typedef unsigned int t_AEP_Finalize();
+typedef unsigned int t_AEP_SetBNCallBacks(
+ AEP_RV (*GetBigNumSizeFunc)(),
+ AEP_RV (*MakeAEPBigNumFunc)(),
+ AEP_RV (*ConverAEPBigNumFunc)()
+ );
+
+/* These are the static string constants for the DSO file name and the function
+ * symbol names to bind to.
+*/
+static const char *AEP_LIBNAME = "aep";
+
+static const char *AEP_F1 = "AEP_ModExp";
+static const char *AEP_F2 = "AEP_ModExpCrt";
+static const char *AEP_F3 = "AEP_GenRandom";
+static const char *AEP_F4 = "AEP_Finalize";
+static const char *AEP_F5 = "AEP_Initialize";
+static const char *AEP_F6 = "AEP_OpenConnection";
+static const char *AEP_F7 = "AEP_SetBNCallBacks";
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