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| Current File : //usr/src/crypto/openssl/fips/rsa/fips_rsastest.c |
/* fips_rsastest.c */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2005.
*/
/* ====================================================================
* Copyright (c) 2005 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.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <openssl/bio.h>
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include <openssl/err.h>
#include <openssl/bn.h>
#include <openssl/x509v3.h>
#ifndef OPENSSL_FIPS
int main(int argc, char *argv[])
{
printf("No FIPS RSA support\n");
return(0);
}
#else
#include <openssl/rsa.h>
#include "fips_utl.h"
static int rsa_stest(FILE *out, FILE *in, int Saltlen);
static int rsa_printsig(FILE *out, RSA *rsa, const EVP_MD *dgst,
unsigned char *Msg, long Msglen, int Saltlen);
int main(int argc, char **argv)
{
FILE *in = NULL, *out = NULL;
int ret = 1, Saltlen = -1;
if(!FIPS_mode_set(1))
{
do_print_errors();
goto end;
}
if ((argc > 2) && !strcmp("-saltlen", argv[1]))
{
Saltlen = atoi(argv[2]);
if (Saltlen < 0)
{
fprintf(stderr, "FATAL: Invalid salt length\n");
goto end;
}
argc -= 2;
argv += 2;
}
else if ((argc > 1) && !strcmp("-x931", argv[1]))
{
Saltlen = -2;
argc--;
argv++;
}
if (argc == 1)
in = stdin;
else
in = fopen(argv[1], "r");
if (argc < 2)
out = stdout;
else
out = fopen(argv[2], "w");
if (!in)
{
fprintf(stderr, "FATAL input initialization error\n");
goto end;
}
if (!out)
{
fprintf(stderr, "FATAL output initialization error\n");
goto end;
}
if (!rsa_stest(out, in, Saltlen))
{
fprintf(stderr, "FATAL RSASTEST file processing error\n");
goto end;
}
else
ret = 0;
end:
if (ret)
do_print_errors();
if (in && (in != stdin))
fclose(in);
if (out && (out != stdout))
fclose(out);
return ret;
}
#define RSA_TEST_MAXLINELEN 10240
int rsa_stest(FILE *out, FILE *in, int Saltlen)
{
char *linebuf, *olinebuf, *p, *q;
char *keyword, *value;
RSA *rsa = NULL;
const EVP_MD *dgst = NULL;
unsigned char *Msg = NULL;
long Msglen = -1;
int keylen = -1, current_keylen = -1;
int ret = 0;
int lnum = 0;
olinebuf = OPENSSL_malloc(RSA_TEST_MAXLINELEN);
linebuf = OPENSSL_malloc(RSA_TEST_MAXLINELEN);
if (!linebuf || !olinebuf)
goto error;
while (fgets(olinebuf, RSA_TEST_MAXLINELEN, in))
{
lnum++;
strcpy(linebuf, olinebuf);
keyword = linebuf;
/* Skip leading space */
while (isspace((unsigned char)*keyword))
keyword++;
/* Look for = sign */
p = strchr(linebuf, '=');
/* If no = just copy */
if (!p)
{
if (fputs(olinebuf, out) < 0)
goto error;
continue;
}
q = p - 1;
/* Remove trailing space */
while (isspace((unsigned char)*q))
*q-- = 0;
*p = 0;
value = p + 1;
/* Remove leading space from value */
while (isspace((unsigned char)*value))
value++;
/* Remove trailing space from value */
p = value + strlen(value) - 1;
while (*p == '\n' || isspace((unsigned char)*p))
*p-- = 0;
/* Look for [mod = XXX] for key length */
if (!strcmp(keyword, "[mod"))
{
p = value + strlen(value) - 1;
if (*p != ']')
goto parse_error;
*p = 0;
keylen = atoi(value);
if (keylen < 0)
goto parse_error;
}
else if (!strcmp(keyword, "SHAAlg"))
{
if (!strcmp(value, "SHA1"))
dgst = EVP_sha1();
else if (!strcmp(value, "SHA224"))
dgst = EVP_sha224();
else if (!strcmp(value, "SHA256"))
dgst = EVP_sha256();
else if (!strcmp(value, "SHA384"))
dgst = EVP_sha384();
else if (!strcmp(value, "SHA512"))
dgst = EVP_sha512();
else
{
fprintf(stderr,
"FATAL: unsupported algorithm \"%s\"\n",
value);
goto parse_error;
}
}
else if (!strcmp(keyword, "Msg"))
{
if (Msg)
goto parse_error;
if (strlen(value) & 1)
*(--value) = '0';
Msg = hex2bin_m(value, &Msglen);
if (!Msg)
goto parse_error;
}
fputs(olinebuf, out);
/* If key length has changed, generate and output public
* key components of new RSA private key.
*/
if (keylen != current_keylen)
{
BIGNUM *bn_e;
if (rsa)
FIPS_rsa_free(rsa);
rsa = FIPS_rsa_new();
if (!rsa)
goto error;
bn_e = BN_new();
if (!bn_e || !BN_set_word(bn_e, 0x1001))
goto error;
if (!RSA_X931_generate_key_ex(rsa, keylen, bn_e, NULL))
goto error;
BN_free(bn_e);
fputs("n = ", out);
do_bn_print(out, rsa->n);
fputs("\ne = ", out);
do_bn_print(out, rsa->e);
fputs("\n", out);
current_keylen = keylen;
}
if (Msg && dgst)
{
if (!rsa_printsig(out, rsa, dgst, Msg, Msglen,
Saltlen))
goto error;
OPENSSL_free(Msg);
Msg = NULL;
}
}
ret = 1;
error:
if (olinebuf)
OPENSSL_free(olinebuf);
if (linebuf)
OPENSSL_free(linebuf);
if (rsa)
FIPS_rsa_free(rsa);
return ret;
parse_error:
fprintf(stderr, "FATAL parse error processing line %d\n", lnum);
goto error;
}
static int rsa_printsig(FILE *out, RSA *rsa, const EVP_MD *dgst,
unsigned char *Msg, long Msglen, int Saltlen)
{
int ret = 0;
unsigned char *sigbuf = NULL;
int i, siglen;
/* EVP_PKEY structure */
EVP_PKEY pk;
EVP_MD_CTX ctx;
pk.type = EVP_PKEY_RSA;
pk.pkey.rsa = rsa;
siglen = RSA_size(rsa);
sigbuf = OPENSSL_malloc(siglen);
if (!sigbuf)
goto error;
EVP_MD_CTX_init(&ctx);
if (Saltlen >= 0)
{
M_EVP_MD_CTX_set_flags(&ctx,
EVP_MD_CTX_FLAG_PAD_PSS | (Saltlen << 16));
}
else if (Saltlen == -2)
M_EVP_MD_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_PAD_X931);
if (!EVP_SignInit_ex(&ctx, dgst, NULL))
goto error;
if (!EVP_SignUpdate(&ctx, Msg, Msglen))
goto error;
if (!EVP_SignFinal(&ctx, sigbuf, (unsigned int *)&siglen, &pk))
goto error;
EVP_MD_CTX_cleanup(&ctx);
fputs("S = ", out);
for (i = 0; i < siglen; i++)
fprintf(out, "%02X", sigbuf[i]);
fputs("\n", out);
ret = 1;
error:
return ret;
}
#endif