--- /dev/null
+/* fips/ecdh/fips_ecdhvs.c */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project.
+ */
+/* ====================================================================
+ * Copyright (c) 2011 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.
+ * ====================================================================
+ */
+
+
+#define OPENSSL_FIPSAPI
+#include <openssl/opensslconf.h>
+
+#ifndef OPENSSL_FIPS
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+ printf("No FIPS ECDH support\n");
+ return(0);
+}
+#else
+
+#include <openssl/crypto.h>
+#include <openssl/bn.h>
+#include <openssl/ecdh.h>
+#include <openssl/fips.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "fips_utl.h"
+
+static const EVP_MD *parse_md(char *line)
+ {
+ char *p;
+ if (line[0] != '[' || line[1] != 'E')
+ return NULL;
+ p = strchr(line, '-');
+ if (!p)
+ return NULL;
+ line = p + 1;
+ p = strchr(line, ']');
+ if (!p)
+ return NULL;
+ *p = 0;
+ p = line;
+ while(isspace(*p))
+ p++;
+ if (!strcmp(p, "SHA1"))
+ return EVP_sha1();
+ else if (!strcmp(p, "SHA224"))
+ return EVP_sha224();
+ else if (!strcmp(p, "SHA256"))
+ return EVP_sha256();
+ else if (!strcmp(p, "SHA384"))
+ return EVP_sha384();
+ else if (!strcmp(p, "SHA512"))
+ return EVP_sha512();
+ else
+ return NULL;
+ }
+
+static int lookup_curve(char *cname)
+ {
+ char *p;
+ p = strchr(cname, ':');
+ if (!p)
+ {
+ fprintf(stderr, "Parse error: missing :\n");
+ return NID_undef;
+ }
+ cname = p + 1;
+ while(isspace(*cname))
+ cname++;
+ p = strchr(cname, ']');
+ if (!p)
+ {
+ fprintf(stderr, "Parse error: missing ]\n");
+ return NID_undef;
+ }
+ *p = 0;
+
+ if (!strcmp(cname, "B-163"))
+ return NID_sect163r2;
+ if (!strcmp(cname, "B-233"))
+ return NID_sect233r1;
+ if (!strcmp(cname, "B-283"))
+ return NID_sect283r1;
+ if (!strcmp(cname, "B-409"))
+ return NID_sect409r1;
+ if (!strcmp(cname, "B-571"))
+ return NID_sect571r1;
+ if (!strcmp(cname, "K-163"))
+ return NID_sect163k1;
+ if (!strcmp(cname, "K-233"))
+ return NID_sect233k1;
+ if (!strcmp(cname, "K-283"))
+ return NID_sect283k1;
+ if (!strcmp(cname, "K-409"))
+ return NID_sect409k1;
+ if (!strcmp(cname, "K-571"))
+ return NID_sect571k1;
+ if (!strcmp(cname, "P-192"))
+ return NID_X9_62_prime192v1;
+ if (!strcmp(cname, "P-224"))
+ return NID_secp224r1;
+ if (!strcmp(cname, "P-256"))
+ return NID_X9_62_prime256v1;
+ if (!strcmp(cname, "P-384"))
+ return NID_secp384r1;
+ if (!strcmp(cname, "P-521"))
+ return NID_secp521r1;
+
+ fprintf(stderr, "Unknown Curve name %s\n", cname);
+ return NID_undef;
+ }
+
+static EC_POINT *make_peer(EC_GROUP *group, BIGNUM *x, BIGNUM *y)
+ {
+ EC_POINT *peer;
+ int rv;
+ BN_CTX *c;
+ peer = EC_POINT_new(group);
+ if (!peer)
+ return NULL;
+ c = BN_CTX_new();
+ if (EC_METHOD_get_field_type(EC_GROUP_method_of(group))
+ == NID_X9_62_characteristic_two_field)
+ rv = EC_POINT_set_affine_coordinates_GF2m(group, peer, x, y, c);
+ else
+ rv = EC_POINT_set_affine_coordinates_GFp(group, peer, x, y, c);
+
+ BN_CTX_free(c);
+ if (rv)
+ return peer;
+ EC_POINT_free(peer);
+ return NULL;
+ }
+
+static int ec_print_pubkey(FILE *out, EC_KEY *key)
+ {
+ const EC_POINT *pt;
+ const EC_GROUP *grp;
+ const EC_METHOD *meth;
+ int rv;
+ BIGNUM *tx, *ty;
+ BN_CTX *ctx;
+ ctx = BN_CTX_new();
+ if (!ctx)
+ return 0;
+ tx = BN_CTX_get(ctx);
+ ty = BN_CTX_get(ctx);
+ if (!tx || !ty)
+ return 0;
+ grp = EC_KEY_get0_group(key);
+ pt = EC_KEY_get0_public_key(key);
+ meth = EC_GROUP_method_of(grp);
+ if (EC_METHOD_get_field_type(meth) == NID_X9_62_prime_field)
+ rv = EC_POINT_get_affine_coordinates_GFp(grp, pt, tx, ty, ctx);
+ else
+ rv = EC_POINT_get_affine_coordinates_GF2m(grp, pt, tx, ty, ctx);
+
+ do_bn_print_name(out, "QeIUTx", tx);
+ do_bn_print_name(out, "QeIUTy", ty);
+
+ BN_CTX_free(ctx);
+
+ return rv;
+
+ }
+
+static void ec_output_Zhash(FILE *out, int exout, EC_GROUP *group,
+ BIGNUM *ix, BIGNUM *iy, BIGNUM *id, BIGNUM *cx,
+ BIGNUM *cy, const EVP_MD *md,
+ unsigned char *rhash, size_t rhashlen)
+ {
+ EC_KEY *ec = NULL;
+ EC_POINT *peerkey = NULL;
+ unsigned char *Z;
+ unsigned char chash[EVP_MAX_MD_SIZE];
+ int Zlen;
+ ec = EC_KEY_new();
+ EC_KEY_set_group(ec, group);
+ peerkey = make_peer(group, cx, cy);
+ if (rhash == NULL)
+ {
+ rhashlen = M_EVP_MD_size(md);
+ EC_KEY_generate_key(ec);
+ ec_print_pubkey(out, ec);
+ }
+ else
+ {
+ EC_KEY_set_public_key_affine_coordinates(ec, ix, iy);
+ EC_KEY_set_private_key(ec, id);
+ }
+ Zlen = (EC_GROUP_get_degree(group) + 7)/8;
+ Z = OPENSSL_malloc(Zlen);
+ if (!Z)
+ exit(1);
+ ECDH_compute_key(Z, Zlen, peerkey, ec, 0);
+ if (exout)
+ OutputValue("Z", Z, Zlen, out, 0);
+ FIPS_digest(Z, Zlen, chash, NULL, md);
+ OutputValue(rhash ? "IUTHashZZ" : "HashZZ", chash, rhashlen, out, 0);
+ if (rhash)
+ {
+ fprintf(out, "Result = %s\n",
+ memcmp(chash, rhash, rhashlen) ? "F" : "P");
+ }
+ OPENSSL_cleanse(Z, Zlen);
+ OPENSSL_free(Z);
+ EC_KEY_free(ec);
+ EC_POINT_free(peerkey);
+ }
+
+int main(int argc,char **argv)
+ {
+ char **args = argv + 1;
+ int argn = argc - 1;
+ FILE *in, *out;
+ char buf[2048], lbuf[2048];
+ unsigned char *rhash;
+ long rhashlen;
+ BIGNUM *cx = NULL, *cy = NULL;
+ BIGNUM *id = NULL, *ix = NULL, *iy = NULL;
+ const EVP_MD *md = NULL;
+ EC_GROUP *group = NULL;
+ char *keyword = NULL, *value = NULL;
+ int do_verify = -1, exout = 0;
+
+ int curve_nids[5] = {0,0,0,0,0};
+ int param_set = -1;
+
+ fips_set_error_print();
+ if(!FIPS_mode_set(1))
+ exit(1);
+
+ if (argn && !strcmp(*args, "ecdhver"))
+ {
+ do_verify = 1;
+ args++;
+ argn--;
+ }
+ else if (argn && !strcmp(*args, "ecdhgen"))
+ {
+ do_verify = 0;
+ args++;
+ argn--;
+ }
+
+ if (argn && !strcmp(*args, "-exout"))
+ {
+ exout = 1;
+ args++;
+ argn--;
+ }
+
+ if (do_verify == -1)
+ {
+ fprintf(stderr,"%s [ecdhver|ecdhgen|] [-exout] (infile outfile)\n",argv[0]);
+ exit(1);
+ }
+
+ if (argn == 2)
+ {
+ in = fopen(*args, "r");
+ if (!in)
+ {
+ fprintf(stderr, "Error opening input file\n");
+ exit(1);
+ }
+ out = fopen(args[1], "w");
+ if (!out)
+ {
+ fprintf(stderr, "Error opening output file\n");
+ exit(1);
+ }
+ }
+ else if (argn == 0)
+ {
+ in = stdin;
+ out = stdout;
+ }
+ else
+ {
+ fprintf(stderr,"%s [dhver|dhgen|] [-exout] (infile outfile)\n",argv[0]);
+ exit(1);
+ }
+
+ while (fgets(buf, sizeof(buf), in) != NULL)
+ {
+ fputs(buf, out);
+ if (buf[0] == '[' && buf[1] == 'E')
+ {
+ int c = buf[2];
+ if (c < 'A' || c > 'E')
+ goto parse_error;
+ param_set = c - 'A';
+ /* If just [E?] then initial paramset */
+ if (buf[3] == ']')
+ continue;
+ if (group)
+ EC_GROUP_free(group);
+ group = EC_GROUP_new_by_curve_name(curve_nids[c - 'A']);
+ }
+ if (strlen(buf) > 10 && !strncmp(buf, "[Curve", 6))
+ {
+ int nid;
+ if (param_set == -1)
+ goto parse_error;
+ nid = lookup_curve(buf);
+ if (nid == NID_undef)
+ goto parse_error;
+ curve_nids[param_set] = nid;
+ }
+
+ if (strlen(buf) > 6 && !strncmp(buf, "[E", 2))
+ {
+ md = parse_md(buf);
+ if (md == NULL)
+ goto parse_error;
+ continue;
+ }
+ if (!parse_line(&keyword, &value, lbuf, buf))
+ continue;
+ if (!strcmp(keyword, "QeCAVSx"))
+ {
+ if (!do_hex2bn(&cx, value))
+ goto parse_error;
+ }
+ else if (!strcmp(keyword, "QeCAVSy"))
+ {
+ if (!do_hex2bn(&cy, value))
+ goto parse_error;
+ if (do_verify == 0)
+ ec_output_Zhash(out, exout, group,
+ NULL, NULL, NULL,
+ cx, cy, md, rhash, rhashlen);
+ }
+ else if (!strcmp(keyword, "deIUT"))
+ {
+ if (!do_hex2bn(&id, value))
+ goto parse_error;
+ }
+ else if (!strcmp(keyword, "QeIUTx"))
+ {
+ if (!do_hex2bn(&ix, value))
+ goto parse_error;
+ }
+ else if (!strcmp(keyword, "QeIUTy"))
+ {
+ if (!do_hex2bn(&iy, value))
+ goto parse_error;
+ }
+ else if (!strcmp(keyword, "CAVSHashZZ"))
+ {
+ if (!md)
+ goto parse_error;
+ rhash = hex2bin_m(value, &rhashlen);
+ if (!rhash || rhashlen != M_EVP_MD_size(md))
+ goto parse_error;
+ ec_output_Zhash(out, exout, group, ix, iy, id, cx, cy,
+ md, rhash, rhashlen);
+ }
+ }
+ return 0;
+ parse_error:
+ fprintf(stderr, "Error Parsing request file\n");
+ exit(1);
+ }
+
+#endif
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