+++ /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 *eparse_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_curve2(char *cname)
- {
- char *p;
- 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 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++;
- return lookup_curve2(cname);
- }
-
-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_prime_field)
- rv = EC_POINT_set_affine_coordinates_GFp(group, peer, x, y, c);
- else
-#ifdef OPENSSL_NO_EC2M
- {
- fprintf(stderr, "ERROR: GF2m not supported\n");
- exit(1);
- }
-#else
- rv = EC_POINT_set_affine_coordinates_GF2m(group, peer, x, y, c);
-#endif
-
- BN_CTX_free(c);
- if (rv)
- return peer;
- EC_POINT_free(peer);
- return NULL;
- }
-
-static int ec_print_key(FILE *out, EC_KEY *key, int add_e, int exout)
- {
- const EC_POINT *pt;
- const EC_GROUP *grp;
- const EC_METHOD *meth;
- int rv;
- BIGNUM *tx, *ty;
- const BIGNUM *d = NULL;
- 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);
- if (exout)
- d = EC_KEY_get0_private_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
-#ifdef OPENSSL_NO_EC2M
- {
- fprintf(stderr, "ERROR: GF2m not supported\n");
- exit(1);
- }
-#else
- rv = EC_POINT_get_affine_coordinates_GF2m(grp, pt, tx, ty, ctx);
-#endif
-
- if (add_e)
- {
- do_bn_print_name(out, "QeIUTx", tx);
- do_bn_print_name(out, "QeIUTy", ty);
- if (d)
- do_bn_print_name(out, "QeIUTd", d);
- }
- else
- {
- do_bn_print_name(out, "QIUTx", tx);
- do_bn_print_name(out, "QIUTy", ty);
- if (d)
- do_bn_print_name(out, "QIUTd", d);
- }
-
- 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_flags(ec, EC_FLAG_COFACTOR_ECDH);
- EC_KEY_set_group(ec, group);
- peerkey = make_peer(group, cx, cy);
- if (rhash == NULL)
- {
- if (md)
- rhashlen = M_EVP_MD_size(md);
- EC_KEY_generate_key(ec);
- ec_print_key(out, ec, md ? 1 : 0, exout);
- }
- 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 (md)
- {
- 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");
- }
- }
- else
- OutputValue("ZIUT", Z, Zlen, out, 0);
- OPENSSL_cleanse(Z, Zlen);
- OPENSSL_free(Z);
- EC_KEY_free(ec);
- EC_POINT_free(peerkey);
- }
-
-#ifdef FIPS_ALGVS
-int fips_ecdhvs_main(int argc, char **argv)
-#else
-int main(int argc, char **argv)
-#endif
- {
- char **args = argv + 1;
- int argn = argc - 1;
- FILE *in, *out;
- char buf[2048], lbuf[2048];
- unsigned char *rhash = NULL;
- 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 rv = 1;
-
- int curve_nids[5] = {0,0,0,0,0};
- int param_set = -1;
-
- fips_algtest_init();
-
- 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) > 4 && buf[0] == '[' && buf[2] == '-')
- {
- int nid = lookup_curve2(buf + 1);
- if (nid == NID_undef)
- goto parse_error;
- if (group)
- EC_GROUP_free(group);
- group = EC_GROUP_new_by_curve_name(nid);
- if (!group)
- {
- fprintf(stderr, "ERROR: unsupported curve %s\n", buf + 1);
- return 1;
- }
- }
-
- if (strlen(buf) > 6 && !strncmp(buf, "[E", 2))
- {
- md = eparse_md(buf);
- if (md == NULL)
- goto parse_error;
- continue;
- }
- if (!parse_line(&keyword, &value, lbuf, buf))
- continue;
- if (!strcmp(keyword, "QeCAVSx") || !strcmp(keyword, "QCAVSx"))
- {
- if (!do_hex2bn(&cx, value))
- goto parse_error;
- }
- else if (!strcmp(keyword, "QeCAVSy") || !strcmp(keyword, "QCAVSy"))
- {
- 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);
- }
- }
- rv = 0;
- parse_error:
- if (id)
- BN_free(id);
- if (ix)
- BN_free(ix);
- if (iy)
- BN_free(iy);
- if (cx)
- BN_free(cx);
- if (cy)
- BN_free(cy);
- if (group)
- EC_GROUP_free(group);
- if (in && in != stdin)
- fclose(in);
- if (out && out != stdout)
- fclose(out);
- if (rv)
- fprintf(stderr, "Error Parsing request file\n");
- return rv;
- }
-
-#endif
projects / openssl.git / blobdiff