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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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/* ====================================================================
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* Copyright (c) 2005 The OpenSSL Project. All rights reserved.
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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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* 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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* 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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* 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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* 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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* 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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* 6. Redistributions of any form whatsoever must retain the following
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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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* 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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* 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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#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/rsa.h>
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#include <openssl/bn.h>
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#include <openssl/x509v3.h>
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int main(int argc, char *argv[])
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printf("No FIPS RSA support\n");
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static int rsa_stest(FILE *out, FILE *in, int Saltlen);
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static int rsa_printsig(FILE *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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FILE *in = NULL, *out = NULL;
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int ret = 1, Saltlen = -1;
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if ((argc > 2) && !strcmp("-saltlen", argv[1]))
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Saltlen = atoi(argv[2]);
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fprintf(stderr, "FATAL: Invalid salt length\n");
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else if ((argc > 1) && !strcmp("-x931", argv[1]))
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in = fopen(argv[1], "r");
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out = fopen(argv[2], "w");
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fprintf(stderr, "FATAL input initialization error\n");
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fprintf(stderr, "FATAL output initialization error\n");
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if (!rsa_stest(out, in, Saltlen))
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fprintf(stderr, "FATAL RSASTEST file processing error\n");
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if (in && (in != stdin))
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if (out && (out != stdout))
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#define RSA_TEST_MAXLINELEN 10240
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int rsa_stest(FILE *out, FILE *in, int Saltlen)
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char *linebuf, *olinebuf, *p, *q;
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char *keyword, *value;
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const EVP_MD *dgst = NULL;
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unsigned char *Msg = NULL;
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int keylen = -1, current_keylen = -1;
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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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while (fgets(olinebuf, RSA_TEST_MAXLINELEN, in))
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strcpy(linebuf, olinebuf);
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/* Skip leading space */
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while (isspace((unsigned char)*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 (fputs(olinebuf, out) < 0)
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/* Remove trailing space */
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while (isspace((unsigned char)*q))
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/* Remove leading space from value */
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while (isspace((unsigned char)*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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/* Look for [mod = XXX] for key length */
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if (!strcmp(keyword, "[mod"))
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p = value + strlen(value) - 1;
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keylen = atoi(value);
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else if (!strcmp(keyword, "SHAAlg"))
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if (!strcmp(value, "SHA1"))
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else if (!strcmp(value, "SHA224"))
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else if (!strcmp(value, "SHA256"))
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else if (!strcmp(value, "SHA384"))
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else if (!strcmp(value, "SHA512"))
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"FATAL: unsupported algorithm \"%s\"\n",
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else if (!strcmp(keyword, "Msg"))
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if (strlen(value) & 1)
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Msg = hex2bin_m(value, &Msglen);
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fputs(olinebuf, out);
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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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if (keylen != current_keylen)
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rsa = FIPS_rsa_new();
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if (!bn_e || !BN_set_word(bn_e, 0x1001))
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if (!RSA_X931_generate_key_ex(rsa, keylen, bn_e, NULL))
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do_bn_print(out, rsa->n);
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fputs("\ne = ", out);
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do_bn_print(out, rsa->e);
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current_keylen = keylen;
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if (!rsa_printsig(out, rsa, dgst, Msg, Msglen,
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OPENSSL_free(olinebuf);
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OPENSSL_free(linebuf);
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fprintf(stderr, "FATAL parse error processing line %d\n", lnum);
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static int rsa_printsig(FILE *out, RSA *rsa, const EVP_MD *dgst,
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unsigned char *Msg, long Msglen, int Saltlen)
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unsigned char *sigbuf = NULL;
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/* EVP_PKEY structure */
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pk.type = EVP_PKEY_RSA;
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siglen = RSA_size(rsa);
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sigbuf = OPENSSL_malloc(siglen);
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EVP_MD_CTX_init(&ctx);
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M_EVP_MD_CTX_set_flags(&ctx,
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EVP_MD_CTX_FLAG_PAD_PSS | (Saltlen << 16));
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else if (Saltlen == -2)
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M_EVP_MD_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_PAD_X931);
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if (!EVP_SignInit_ex(&ctx, dgst, NULL))
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if (!EVP_SignUpdate(&ctx, Msg, Msglen))
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if (!EVP_SignFinal(&ctx, sigbuf, (unsigned int *)&siglen, &pk))
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EVP_MD_CTX_cleanup(&ctx);
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for (i = 0; i < siglen; i++)
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fprintf(out, "%02X", sigbuf[i]);