cd22dfbf01
this will perform all standalone operations such as setting error callbacks, entering FIPS mode etc.
284 lines
6.9 KiB
C
284 lines
6.9 KiB
C
/* fips/dh/fips_dhvs.c */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project.
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*/
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/* ====================================================================
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* Copyright (c) 2011 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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#define OPENSSL_FIPSAPI
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#include <openssl/opensslconf.h>
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#ifndef OPENSSL_FIPS
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#include <stdio.h>
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int main(int argc, char **argv)
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{
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printf("No FIPS DH support\n");
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return(0);
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}
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#else
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#include <openssl/crypto.h>
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#include <openssl/bn.h>
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#include <openssl/dh.h>
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#include <openssl/fips.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <string.h>
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#include <ctype.h>
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#include "fips_utl.h"
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static const EVP_MD *parse_md(char *line)
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{
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char *p;
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if (line[0] != '[' || line[1] != 'F')
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return NULL;
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p = strchr(line, '-');
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if (!p)
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return NULL;
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line = p + 1;
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p = strchr(line, ']');
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if (!p)
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return NULL;
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*p = 0;
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p = line;
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while(isspace(*p))
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p++;
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if (!strcmp(p, "SHA1"))
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return EVP_sha1();
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else if (!strcmp(p, "SHA224"))
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return EVP_sha224();
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else if (!strcmp(p, "SHA256"))
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return EVP_sha256();
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else if (!strcmp(p, "SHA384"))
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return EVP_sha384();
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else if (!strcmp(p, "SHA512"))
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return EVP_sha512();
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else
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return NULL;
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}
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static void output_Zhash(FILE *out, int exout,
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DH *dh, BIGNUM *peerkey, const EVP_MD *md,
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unsigned char *rhash, size_t rhashlen)
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{
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unsigned char *Z;
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unsigned char chash[EVP_MAX_MD_SIZE];
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int Zlen;
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if (rhash == NULL)
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{
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rhashlen = M_EVP_MD_size(md);
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if (!DH_generate_key(dh))
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exit (1);
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do_bn_print_name(out, "YephemIUT", dh->pub_key);
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if (exout)
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do_bn_print_name(out, "XephemIUT", dh->priv_key);
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}
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Z = OPENSSL_malloc(BN_num_bytes(dh->p));
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if (!Z)
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exit(1);
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Zlen = DH_compute_key_padded(Z, peerkey, dh);
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if (exout)
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OutputValue("Z", Z, Zlen, out, 0);
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FIPS_digest(Z, Zlen, chash, NULL, md);
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OutputValue(rhash ? "IUTHashZZ" : "HashZZ", chash, rhashlen, out, 0);
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if (rhash)
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{
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fprintf(out, "Result = %s\n",
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memcmp(chash, rhash, rhashlen) ? "F" : "P");
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}
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else
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{
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BN_clear_free(dh->priv_key);
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BN_clear_free(dh->pub_key);
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dh->priv_key = NULL;
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dh->pub_key = NULL;
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}
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OPENSSL_cleanse(Z, Zlen);
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OPENSSL_free(Z);
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}
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int main(int argc,char **argv)
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{
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char **args = argv + 1;
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int argn = argc - 1;
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FILE *in, *out;
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char buf[2048], lbuf[2048];
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unsigned char *rhash;
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long rhashlen;
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DH *dh = NULL;
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const EVP_MD *md = NULL;
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BIGNUM *peerkey = NULL;
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char *keyword = NULL, *value = NULL;
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int do_verify = -1, exout = 0;
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fips_algtest_init();
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if (argn && !strcmp(*args, "dhver"))
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{
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do_verify = 1;
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args++;
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argn--;
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}
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else if (argn && !strcmp(*args, "dhgen"))
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{
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do_verify = 0;
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args++;
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argn--;
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}
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if (argn && !strcmp(*args, "-exout"))
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{
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exout = 1;
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args++;
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argn--;
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}
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if (do_verify == -1)
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{
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fprintf(stderr,"%s [dhver|dhgen|] [-exout] (infile outfile)\n",argv[0]);
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exit(1);
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}
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if (argn == 2)
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{
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in = fopen(*args, "r");
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if (!in)
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{
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fprintf(stderr, "Error opening input file\n");
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exit(1);
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}
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out = fopen(args[1], "w");
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if (!out)
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{
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fprintf(stderr, "Error opening output file\n");
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exit(1);
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}
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}
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else if (argn == 0)
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{
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in = stdin;
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out = stdout;
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}
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else
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{
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fprintf(stderr,"%s [dhver|dhgen|] [-exout] (infile outfile)\n",argv[0]);
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exit(1);
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}
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dh = FIPS_dh_new();
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while (fgets(buf, sizeof(buf), in) != NULL)
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{
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fputs(buf, out);
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if (strlen(buf) > 6 && !strncmp(buf, "[F", 2))
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{
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md = parse_md(buf);
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if (md == NULL)
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goto parse_error;
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if (dh)
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FIPS_dh_free(dh);
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dh = FIPS_dh_new();
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continue;
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}
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if (!parse_line(&keyword, &value, lbuf, buf))
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continue;
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if (!strcmp(keyword, "P"))
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{
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if (!do_hex2bn(&dh->p, value))
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goto parse_error;
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}
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else if (!strcmp(keyword, "Q"))
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{
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if (!do_hex2bn(&dh->q, value))
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goto parse_error;
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}
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else if (!strcmp(keyword, "G"))
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{
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if (!do_hex2bn(&dh->g, value))
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goto parse_error;
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}
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else if (!strcmp(keyword, "XephemIUT"))
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{
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if (!do_hex2bn(&dh->priv_key, value))
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goto parse_error;
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}
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else if (!strcmp(keyword, "YephemIUT"))
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{
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if (!do_hex2bn(&dh->pub_key, value))
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goto parse_error;
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}
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else if (!strcmp(keyword, "YephemCAVS"))
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{
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if (!do_hex2bn(&peerkey, value))
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goto parse_error;
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if (do_verify == 0)
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output_Zhash(out, exout, dh, peerkey, md,
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NULL, 0);
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}
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else if (!strcmp(keyword, "CAVSHashZZ"))
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{
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if (!md)
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goto parse_error;
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rhash = hex2bin_m(value, &rhashlen);
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if (!rhash || rhashlen != M_EVP_MD_size(md))
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goto parse_error;
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output_Zhash(out, exout, dh, peerkey, md,
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rhash, rhashlen);
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}
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}
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return 0;
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parse_error:
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fprintf(stderr, "Error Parsing request file\n");
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exit(1);
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}
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#endif
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