403 lines
8.9 KiB
C
403 lines
8.9 KiB
C
/* fips_rsastest.c */
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/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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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#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/hmac.h>
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#include <openssl/err.h>
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#include <openssl/x509v3.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 RSA support\n");
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return(0);
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}
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#else
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static int rsa_stest(BIO *err, BIO *out, BIO *in, int Saltlen);
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static int rsa_printsig(BIO *err, BIO *out, RSA *rsa, const EVP_MD *dgst,
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unsigned char *Msg, long Msglen, int Saltlen);
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int main(int argc, char **argv)
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{
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BIO *in = NULL, *out = NULL, *err = NULL;
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int ret = 1, Saltlen = -1;
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ERR_load_crypto_strings();
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err = BIO_new_fp(stderr, BIO_NOCLOSE);
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if (!err)
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{
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fprintf(stderr, "FATAL stderr initialization error\n");
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goto end;
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}
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if(!FIPS_mode_set(1,argv[0]))
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{
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ERR_print_errors(err);
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goto end;
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}
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if ((argc > 2) && !strcmp("-saltlen", argv[1]))
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{
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Saltlen = atoi(argv[2]);
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if (Saltlen < 0)
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{
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BIO_printf(err, "FATAL: Invalid salt length\n");
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goto end;
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}
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argc -= 2;
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argv += 2;
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}
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else if ((argc > 1) && !strcmp("-x931", argv[1]))
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{
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Saltlen = -2;
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argc--;
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argv++;
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}
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if (argc == 1)
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in = BIO_new_fp(stdin, BIO_NOCLOSE);
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else
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in = BIO_new_file(argv[1], "r");
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if (argc < 2)
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out = BIO_new_fp(stdout, BIO_NOCLOSE);
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else
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out = BIO_new_file(argv[2], "w");
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if (!in)
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{
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BIO_printf(err, "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 (!rsa_stest(err, out, in, Saltlen))
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{
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fprintf(stderr, "FATAL RSAVTEST 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 (ret && err)
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ERR_print_errors(err);
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if (in)
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BIO_free(in);
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if (out)
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BIO_free(out);
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if (err)
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BIO_free(err);
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return ret;
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}
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#define RSA_TEST_MAXLINELEN 10240
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int rsa_stest(BIO *err, BIO *out, BIO *in, int Saltlen)
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{
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char *linebuf, *olinebuf, *p, *q;
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char *keyword, *value;
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RSA *rsa = NULL;
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const EVP_MD *dgst = NULL;
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unsigned char *Msg = NULL;
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long Msglen;
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int keylen = -1, current_keylen = -1;
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int ret = 0;
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int lnum = 0;
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olinebuf = OPENSSL_malloc(RSA_TEST_MAXLINELEN);
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linebuf = OPENSSL_malloc(RSA_TEST_MAXLINELEN);
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if (!linebuf || !olinebuf)
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goto error;
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while (BIO_gets(in, olinebuf, RSA_TEST_MAXLINELEN) > 0)
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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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/* Look for = sign */
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p = strchr(linebuf, '=');
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/* If no = just copy */
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if (!p)
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{
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if (!BIO_puts(out, olinebuf))
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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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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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/* Look for [mod = XXX] for key length */
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if (!strcmp(keyword, "[mod"))
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{
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p = value + strlen(value) - 1;
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if (*p != ']')
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goto parse_error;
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*p = 0;
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keylen = atoi(value);
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if (keylen < 0)
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goto parse_error;
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}
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else if (!strcmp(keyword, "SHAAlg"))
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{
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if (!strcmp(value, "SHA1"))
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dgst = EVP_sha1();
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else if (!strcmp(value, "SHA224"))
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dgst = EVP_sha224();
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else if (!strcmp(value, "SHA256"))
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dgst = EVP_sha256();
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else if (!strcmp(value, "SHA384"))
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dgst = EVP_sha384();
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else if (!strcmp(value, "SHA512"))
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dgst = EVP_sha512();
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else
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{
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BIO_printf(err,
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"FATAL: unsupported algorithm \"%s\"\n",
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value);
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goto parse_error;
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}
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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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if (strlen(value) & 1)
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*(--value) = '0';
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Msg = string_to_hex(value, &Msglen);
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if (!Msg)
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goto parse_error;
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}
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BIO_puts(out, olinebuf);
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/* If key length has changed, generate and output public
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* key components of new RSA private key.
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*/
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if (keylen != current_keylen)
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{
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if (rsa)
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RSA_free(rsa);
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rsa = RSA_generate_key(keylen, 0x1001, 0, NULL);
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if (!rsa)
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goto error;
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BIO_puts(out, "n = ");
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BN_print(out, rsa->n);
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BIO_puts(out, "\ne = ");
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BN_print(out, rsa->e);
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BIO_puts(out, "\n");
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current_keylen = keylen;
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}
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if (Msg && dgst)
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{
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if (!rsa_printsig(err, out, rsa, dgst, Msg, Msglen,
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Saltlen))
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goto error;
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OPENSSL_free(Msg);
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Msg = NULL;
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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 (rsa)
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RSA_free(rsa);
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return ret;
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parse_error:
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BIO_printf(err, "FATAL parse error processing line %d\n", lnum);
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goto error;
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}
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static int rsa_printsig(BIO *err, BIO *out, RSA *rsa, const EVP_MD *dgst,
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unsigned char *Msg, long Msglen, int Saltlen)
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{
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int ret = 0;
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unsigned char *sigbuf = NULL;
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int i, siglen;
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/* EVP_PKEY structure */
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EVP_PKEY *key = NULL;
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EVP_MD_CTX ctx;
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key = EVP_PKEY_new();
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if (!key)
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goto error;
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if (!EVP_PKEY_set1_RSA(key, rsa))
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goto error;
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siglen = EVP_PKEY_size(key);
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sigbuf = OPENSSL_malloc(siglen);
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if (!sigbuf)
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goto error;
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EVP_MD_CTX_init(&ctx);
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if (Saltlen != -1)
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{
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unsigned int mdlen;
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unsigned char mdtmp[EVP_MAX_MD_SIZE + 1];
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if (!EVP_DigestInit_ex(&ctx, dgst, NULL))
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goto error;
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if (!EVP_DigestUpdate(&ctx, Msg, Msglen))
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goto error;
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if (!EVP_DigestFinal(&ctx, mdtmp, &mdlen))
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goto error;
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if (Saltlen == -2)
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{
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mdtmp[mdlen] = RSA_X931_hash_id(EVP_MD_type(dgst));
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siglen = RSA_private_encrypt(mdlen + 1, mdtmp,
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sigbuf, rsa, RSA_X931_PADDING);
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if (siglen <= 0)
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goto error;
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}
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else
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{
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if (!RSA_padding_add_PKCS1_PSS(rsa, sigbuf, mdtmp,
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dgst, Saltlen))
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goto error;
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siglen = RSA_private_encrypt(siglen, sigbuf, sigbuf,
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rsa, RSA_NO_PADDING);
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if (siglen <= 0)
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goto error;
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}
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}
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else
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{
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if (!EVP_SignInit_ex(&ctx, dgst, NULL))
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goto error;
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if (!EVP_SignUpdate(&ctx, Msg, Msglen))
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goto error;
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if (!EVP_SignFinal(&ctx, sigbuf, (unsigned int *)&siglen, key))
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goto error;
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}
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EVP_MD_CTX_cleanup(&ctx);
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BIO_puts(out, "S = ");
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for (i = 0; i < siglen; i++)
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BIO_printf(out, "%02X", sigbuf[i]);
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BIO_puts(out, "\n");
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ret = 1;
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error:
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if (key)
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EVP_PKEY_free(key);
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return ret;
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}
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#endif
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