517 lines
11 KiB
C
517 lines
11 KiB
C
/* fips_cmactest.c */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project 2005.
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*/
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/* ====================================================================
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* Copyright (c) 2005 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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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#define OPENSSL_FIPSAPI
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <openssl/bio.h>
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#include <openssl/evp.h>
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#include <openssl/cmac.h>
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#include <openssl/err.h>
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#include <openssl/bn.h>
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#ifndef OPENSSL_FIPS
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int main(int argc, char *argv[])
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{
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printf("No FIPS CMAC support\n");
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return(0);
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}
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#else
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#include <openssl/fips.h>
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#include "fips_utl.h"
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static int cmac_test(const EVP_CIPHER *cipher, FILE *out, FILE *in,
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int mode, int Klen_counts_keys, int known_keylen);
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static int print_cmac_gen(const EVP_CIPHER *cipher, FILE *out,
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unsigned char *Key, int Klen,
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unsigned char *Msg, int Msglen,
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int Tlen);
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static int print_cmac_ver(const EVP_CIPHER *cipher, FILE *out,
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unsigned char *Key, int Klen,
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unsigned char *Msg, int Msglen,
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unsigned char *Mac, int Maclen,
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int Tlen);
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#ifdef FIPS_ALGVS
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int fips_cmactest_main(int argc, char **argv)
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#else
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int main(int argc, char **argv)
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#endif
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{
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FILE *in = NULL, *out = NULL;
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int mode = 0; /* 0 => Generate, 1 => Verify */
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int Klen_counts_keys = 0; /* 0 => Klen is size of one key
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1 => Klen is amount of keys
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*/
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int known_keylen = 0; /* Only set when Klen_counts_keys = 1 */
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const EVP_CIPHER *cipher = 0;
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int ret = 1;
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fips_algtest_init();
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while (argc > 1 && argv[1][0] == '-')
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{
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switch (argv[1][1])
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{
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case 'a':
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{
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char *p = &argv[1][2];
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if (*p == '\0')
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{
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if (argc <= 2)
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{
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fprintf(stderr, "Option %s needs a value\n", argv[1]);
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goto end;
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}
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argv++;
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argc--;
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p = &argv[1][0];
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}
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if (!strcmp(p, "aes128"))
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cipher = EVP_aes_128_cbc();
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else if (!strcmp(p, "aes192"))
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cipher = EVP_aes_192_cbc();
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else if (!strcmp(p, "aes256"))
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cipher = EVP_aes_256_cbc();
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else if (!strcmp(p, "tdea3") || !strcmp(p, "tdes3"))
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{
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cipher = EVP_des_ede3_cbc();
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Klen_counts_keys = 1;
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known_keylen = 8;
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}
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else
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{
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fprintf(stderr, "Unknown algorithm %s\n", p);
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goto end;
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}
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}
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break;
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case 'g':
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mode = 0;
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break;
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case 'v':
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mode = 1;
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break;
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default:
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fprintf(stderr, "Unknown option %s\n", argv[1]);
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goto end;
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}
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argv++;
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argc--;
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}
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if (argc == 1)
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in = stdin;
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else
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in = fopen(argv[1], "r");
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if (argc < 2)
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out = stdout;
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else
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out = fopen(argv[2], "w");
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if (!in)
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{
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fprintf(stderr, "FATAL input initialization error\n");
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goto end;
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}
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if (!out)
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{
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fprintf(stderr, "FATAL output initialization error\n");
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goto end;
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}
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if (!cmac_test(cipher, out, in, mode,
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Klen_counts_keys, known_keylen))
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{
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fprintf(stderr, "FATAL cmac file processing error\n");
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goto end;
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}
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else
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ret = 0;
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end:
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if (in && (in != stdin))
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fclose(in);
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if (out && (out != stdout))
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fclose(out);
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return ret;
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}
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#define CMAC_TEST_MAXLINELEN 150000
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int cmac_test(const EVP_CIPHER *cipher, FILE *out, FILE *in,
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int mode, int Klen_counts_keys, int known_keylen)
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{
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char *linebuf, *olinebuf, *p, *q;
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char *keyword, *value;
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unsigned char **Keys = NULL, *Msg = NULL, *Mac = NULL;
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unsigned char *Key = NULL;
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int Count, Klen, Mlen, Tlen;
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long Keylen, Msglen, Maclen;
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int ret = 0;
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int lnum = 0;
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olinebuf = OPENSSL_malloc(CMAC_TEST_MAXLINELEN);
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linebuf = OPENSSL_malloc(CMAC_TEST_MAXLINELEN);
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if (!linebuf || !olinebuf)
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goto error;
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Count = -1;
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Klen = -1;
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Mlen = -1;
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Tlen = -1;
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while (fgets(olinebuf, CMAC_TEST_MAXLINELEN, in))
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{
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lnum++;
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strcpy(linebuf, olinebuf);
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keyword = linebuf;
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/* Skip leading space */
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while (isspace((unsigned char)*keyword))
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keyword++;
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/* Skip comments */
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if (keyword[0] == '#')
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{
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if (fputs(olinebuf, out) < 0)
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goto error;
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continue;
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}
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/* Look for = sign */
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p = strchr(linebuf, '=');
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/* If no = or starts with [ (for [L=20] line) just copy */
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if (!p)
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{
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if (fputs(olinebuf, out) < 0)
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goto error;
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continue;
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}
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q = p - 1;
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/* Remove trailing space */
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while (isspace((unsigned char)*q))
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*q-- = 0;
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*p = 0;
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value = p + 1;
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/* Remove leading space from value */
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while (isspace((unsigned char)*value))
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value++;
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/* Remove trailing space from value */
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p = value + strlen(value) - 1;
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while (*p == '\n' || isspace((unsigned char)*p))
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*p-- = 0;
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if (!strcmp(keyword, "Count"))
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{
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if (Count != -1)
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goto parse_error;
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Count = atoi(value);
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if (Count < 0)
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goto parse_error;
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}
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else if (!strcmp(keyword, "Klen"))
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{
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if (Klen != -1)
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goto parse_error;
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Klen = atoi(value);
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if (Klen < 0)
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goto parse_error;
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if (Klen_counts_keys)
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{
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Keys = OPENSSL_malloc(sizeof(*Keys) * Klen);
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memset(Keys, '\0', sizeof(*Keys) * Klen);
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}
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else
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{
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Keys = OPENSSL_malloc(sizeof(*Keys));
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memset(Keys, '\0', sizeof(*Keys));
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}
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}
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else if (!strcmp(keyword, "Mlen"))
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{
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if (Mlen != -1)
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goto parse_error;
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Mlen = atoi(value);
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if (Mlen < 0)
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goto parse_error;
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}
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else if (!strcmp(keyword, "Tlen"))
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{
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if (Tlen != -1)
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goto parse_error;
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Tlen = atoi(value);
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if (Tlen < 0)
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goto parse_error;
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}
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else if (!strcmp(keyword, "Key") && !Klen_counts_keys)
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{
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if (Keys[0])
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goto parse_error;
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Keys[0] = hex2bin_m(value, &Keylen);
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if (!Keys[0])
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goto parse_error;
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}
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else if (!strncmp(keyword, "Key", 3) && Klen_counts_keys)
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{
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int keynum = atoi(keyword + 3);
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if (!keynum || keynum > Klen || Keys[keynum-1])
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goto parse_error;
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Keys[keynum-1] = hex2bin_m(value, &Keylen);
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if (!Keys[keynum-1])
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goto parse_error;
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}
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else if (!strcmp(keyword, "Msg"))
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{
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if (Msg)
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goto parse_error;
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Msg = hex2bin_m(value, &Msglen);
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if (!Msg)
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goto parse_error;
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}
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else if (!strcmp(keyword, "Mac"))
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{
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if (mode == 0)
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continue;
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if (Mac)
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goto parse_error;
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Mac = hex2bin_m(value, &Maclen);
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if (!Mac)
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goto parse_error;
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}
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else if (!strcmp(keyword, "Result"))
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{
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if (mode == 1)
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continue;
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goto parse_error;
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}
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else
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goto parse_error;
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fputs(olinebuf, out);
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if (Keys && Msg && (!mode || Mac) && (Tlen > 0) && (Klen > 0))
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{
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if (Klen_counts_keys)
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{
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int x;
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Key = OPENSSL_malloc(Klen * known_keylen);
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for (x = 0; x < Klen; x++)
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{
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memcpy(Key + x * known_keylen,
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Keys[x], known_keylen);
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OPENSSL_free(Keys[x]);
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}
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Klen *= known_keylen;
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}
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else
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{
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Key = OPENSSL_malloc(Klen);
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memcpy(Key, Keys[0], Klen);
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OPENSSL_free(Keys[0]);
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}
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OPENSSL_free(Keys);
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switch(mode)
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{
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case 0:
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if (!print_cmac_gen(cipher, out,
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Key, Klen,
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Msg, Mlen,
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Tlen))
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goto error;
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break;
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case 1:
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if (!print_cmac_ver(cipher, out,
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Key, Klen,
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Msg, Mlen,
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Mac, Maclen,
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Tlen))
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goto error;
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break;
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}
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OPENSSL_free(Key);
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Key = NULL;
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OPENSSL_free(Msg);
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Msg = NULL;
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OPENSSL_free(Mac);
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Mac = NULL;
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Klen = -1;
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Mlen = -1;
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Tlen = -1;
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Count = -1;
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}
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}
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ret = 1;
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error:
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if (olinebuf)
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OPENSSL_free(olinebuf);
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if (linebuf)
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OPENSSL_free(linebuf);
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if (Key)
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OPENSSL_free(Key);
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if (Msg)
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OPENSSL_free(Msg);
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if (Mac)
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OPENSSL_free(Mac);
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return ret;
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parse_error:
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fprintf(stderr, "FATAL parse error processing line %d\n", lnum);
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goto error;
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}
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static int print_cmac_gen(const EVP_CIPHER *cipher, FILE *out,
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unsigned char *Key, int Klen,
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unsigned char *Msg, int Mlen,
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int Tlen)
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{
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int rc, i;
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size_t reslen;
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unsigned char res[128];
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CMAC_CTX *cmac_ctx = CMAC_CTX_new();
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CMAC_Init(cmac_ctx, Key, Klen, cipher, 0);
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CMAC_Update(cmac_ctx, Msg, Mlen);
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if (!CMAC_Final(cmac_ctx, res, &reslen))
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{
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fputs("Error calculating CMAC\n", stderr);
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rc = 0;
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}
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else if (Tlen > (int)reslen)
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{
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fputs("Parameter error, Tlen > CMAC length\n", stderr);
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rc = 0;
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}
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else
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{
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fputs("Mac = ", out);
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for (i = 0; i < Tlen; i++)
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fprintf(out, "%02x", res[i]);
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fputs(RESP_EOL, out);
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rc = 1;
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}
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CMAC_CTX_free(cmac_ctx);
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return rc;
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}
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static int print_cmac_ver(const EVP_CIPHER *cipher, FILE *out,
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unsigned char *Key, int Klen,
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unsigned char *Msg, int Mlen,
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unsigned char *Mac, int Maclen,
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int Tlen)
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{
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int rc = 1;
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size_t reslen;
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unsigned char res[128];
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CMAC_CTX *cmac_ctx = CMAC_CTX_new();
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CMAC_Init(cmac_ctx, Key, Klen, cipher, 0);
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CMAC_Update(cmac_ctx, Msg, Mlen);
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if (!CMAC_Final(cmac_ctx, res, &reslen))
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{
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fputs("Error calculating CMAC\n", stderr);
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rc = 0;
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}
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else if (Tlen > (int)reslen)
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{
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fputs("Parameter error, Tlen > CMAC length\n", stderr);
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rc = 0;
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}
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else if (Tlen != Maclen)
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{
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fputs("Parameter error, Tlen != resulting Mac length\n", stderr);
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rc = 0;
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}
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else
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{
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if (!memcmp(Mac, res, Maclen))
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fputs("Result = P" RESP_EOL, out);
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else
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fputs("Result = F" RESP_EOL, out);
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}
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CMAC_CTX_free(cmac_ctx);
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return rc;
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}
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#endif
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