src/parsec/disk-image/parsec/parsec-benchmark/pkgs/libs/ssl/src/fips/fips.c - public/gem5-resources - Git at Google

 /* ====================================================================
  * Copyright (c) 2003 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
  *    openssl-core@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.
  *
  */


 #include <openssl/rand.h>
 #include <openssl/fips_rand.h>
 #include <openssl/err.h>
 #include <openssl/bio.h>
 #include <openssl/hmac.h>
 #include <openssl/rsa.h>
 #include <string.h>
 #include <limits.h>
 #include "fips_locl.h"

 #ifdef OPENSSL_FIPS

 #include <openssl/fips.h>

 #ifndef PATH_MAX
 #define PATH_MAX 1024
 #endif

 static int fips_selftest_fail;
 static int fips_mode;
 static const void *fips_rand_check;

 static void fips_set_mode(int onoff)
 	{
 	int owning_thread = fips_is_owning_thread();

 	if (fips_is_started())
 		{
 		if (!owning_thread) fips_w_lock();
 		fips_mode = onoff;
 		if (!owning_thread) fips_w_unlock();
 		}
 	}

 static void fips_set_rand_check(const void *rand_check)
 	{
 	int owning_thread = fips_is_owning_thread();

 	if (fips_is_started())
 		{
 		if (!owning_thread) fips_w_lock();
 		fips_rand_check = rand_check;
 		if (!owning_thread) fips_w_unlock();
 		}
 	}

 int FIPS_mode(void)
 	{
 	int ret = 0;
 	int owning_thread = fips_is_owning_thread();

 	if (fips_is_started())
 		{
 		if (!owning_thread) fips_r_lock();
 		ret = fips_mode;
 		if (!owning_thread) fips_r_unlock();
 		}
 	return ret;
 	}

 const void *FIPS_rand_check(void)
 	{
 	const void *ret = 0;
 	int owning_thread = fips_is_owning_thread();

 	if (fips_is_started())
 		{
 		if (!owning_thread) fips_r_lock();
 		ret = fips_rand_check;
 		if (!owning_thread) fips_r_unlock();
 		}
 	return ret;
 	}

 int FIPS_selftest_failed(void)
     {
     int ret = 0;
     if (fips_is_started())
 	{
 	int owning_thread = fips_is_owning_thread();

 	if (!owning_thread) fips_r_lock();
 	ret = fips_selftest_fail;
 	if (!owning_thread) fips_r_unlock();
 	}
     return ret;
     }

 /* Selftest failure fatal exit routine. This will be called
  * during *any* cryptographic operation. It has the minimum
  * overhead possible to avoid too big a performance hit.
  */

 void FIPS_selftest_check(void)
     {
     if (fips_selftest_fail)
 	{
 	OpenSSLDie(__FILE__,__LINE__, "FATAL FIPS SELFTEST FAILURE");
 	}
     }

 void fips_set_selftest_fail(void)
     {
     fips_selftest_fail = 1;
     }

 int FIPS_selftest()
     {

     return FIPS_selftest_sha1()
 	&& FIPS_selftest_hmac()
 	&& FIPS_selftest_aes()
 	&& FIPS_selftest_des()
 	&& FIPS_selftest_rsa()
 	&& FIPS_selftest_dsa();
     }

 extern const void         *FIPS_text_start(),  *FIPS_text_end();
 extern const unsigned char FIPS_rodata_start[], FIPS_rodata_end[];
 unsigned char              FIPS_signature [20] = { 0 };
 static const char          FIPS_hmac_key[]="etaonrishdlcupfm";

 unsigned int FIPS_incore_fingerprint(unsigned char *sig,unsigned int len)
     {
     const unsigned char *p1 = FIPS_text_start();
     const unsigned char *p2 = FIPS_text_end();
     const unsigned char *p3 = FIPS_rodata_start;
     const unsigned char *p4 = FIPS_rodata_end;
     HMAC_CTX c;

     HMAC_CTX_init(&c);
     HMAC_Init(&c,FIPS_hmac_key,strlen(FIPS_hmac_key),EVP_sha1());

     /* detect overlapping regions */
     if (p1<=p3 && p2>=p3)
 	p3=p1, p4=p2>p4?p2:p4, p1=NULL, p2=NULL;
     else if (p3<=p1 && p4>=p1)
 	p3=p3, p4=p2>p4?p2:p4, p1=NULL, p2=NULL;

     if (p1)
 	HMAC_Update(&c,p1,(size_t)p2-(size_t)p1);

     if (FIPS_signature>=p3 && FIPS_signature<p4)
 	{
 	/* "punch" hole */
 	HMAC_Update(&c,p3,(size_t)FIPS_signature-(size_t)p3);
 	p3 = FIPS_signature+sizeof(FIPS_signature);
 	if (p3<p4)
 	    HMAC_Update(&c,p3,(size_t)p4-(size_t)p3);
 	}
     else
 	HMAC_Update(&c,p3,(size_t)p4-(size_t)p3);

     HMAC_Final(&c,sig,&len);
     HMAC_CTX_cleanup(&c);

     return len;
     }

 int FIPS_check_incore_fingerprint(void)
     {
     unsigned char sig[EVP_MAX_MD_SIZE];
     unsigned int len;
 #if defined(__sgi) && (defined(__mips) || defined(mips))
     extern int __dso_displacement[];
 #else
     extern int OPENSSL_NONPIC_relocated;
 #endif

     if (FIPS_text_start()==NULL)
 	{
 	FIPSerr(FIPS_F_FIPS_CHECK_INCORE_FINGERPRINT,FIPS_R_UNSUPPORTED_PLATFORM);
 	return 0;
 	}

     len=FIPS_incore_fingerprint (sig,sizeof(sig));

     if (len!=sizeof(FIPS_signature) ||
 	memcmp(FIPS_signature,sig,sizeof(FIPS_signature)))
 	{
 	if (FIPS_signature>=FIPS_rodata_start && FIPS_signature<FIPS_rodata_end)
 	    FIPSerr(FIPS_F_FIPS_CHECK_INCORE_FINGERPRINT,FIPS_R_FINGERPRINT_DOES_NOT_MATCH_SEGMENT_ALIASING);
 #if defined(__sgi) && (defined(__mips) || defined(mips))
 	else if (__dso_displacement!=NULL)
 #else
 	else if (OPENSSL_NONPIC_relocated)
 #endif
 	    FIPSerr(FIPS_F_FIPS_CHECK_INCORE_FINGERPRINT,FIPS_R_FINGERPRINT_DOES_NOT_MATCH_NONPIC_RELOCATED);
 	else
 	    FIPSerr(FIPS_F_FIPS_CHECK_INCORE_FINGERPRINT,FIPS_R_FINGERPRINT_DOES_NOT_MATCH);
 	return 0;
 	}

     return 1;
     }

 int FIPS_mode_set(int onoff)
     {
     int fips_set_owning_thread();
     int fips_clear_owning_thread();
     int ret = 0;

     fips_w_lock();
     fips_set_started();
     fips_set_owning_thread();

     if(onoff)
 	{
 	unsigned char buf[48];

 	fips_selftest_fail = 0;

 	/* Don't go into FIPS mode twice, just so we can do automagic
 	   seeding */
 	if(FIPS_mode())
 	    {
 	    FIPSerr(FIPS_F_FIPS_MODE_SET,FIPS_R_FIPS_MODE_ALREADY_SET);
 	    fips_selftest_fail = 1;
 	    ret = 0;
 	    goto end;
 	    }

 #ifdef OPENSSL_IA32_SSE2
 	if ((OPENSSL_ia32cap & (1<<25|1<<26)) != (1<<25|1<<26))
 	    {
 	    FIPSerr(FIPS_F_FIPS_MODE_SET,FIPS_R_UNSUPPORTED_PLATFORM);
 	    fips_selftest_fail = 1;
 	    ret = 0;
 	    goto end;
 	    }
 #endif

 	if(fips_signature_witness() != FIPS_signature)
 	    {
 	    FIPSerr(FIPS_F_FIPS_MODE_SET,FIPS_R_CONTRADICTING_EVIDENCE);
 	    fips_selftest_fail = 1;
 	    ret = 0;
 	    goto end;
 	    }

 	if(!FIPS_check_incore_fingerprint())
 	    {
 	    fips_selftest_fail = 1;
 	    ret = 0;
 	    goto end;
 	    }

 	/* Perform RNG KAT before seeding */
 	if (!FIPS_selftest_rng())
 	    {
 	    fips_selftest_fail = 1;
 	    ret = 0;
 	    goto end;
 	    }

 	/* automagically seed PRNG if not already seeded */
 	if(!FIPS_rand_status())
 	    {
 	    if(RAND_bytes(buf,sizeof buf) <= 0)
 		{
 		fips_selftest_fail = 1;
 		ret = 0;
 		goto end;
 		}
 	    FIPS_rand_set_key(buf,32);
 	    FIPS_rand_seed(buf+32,16);
 	    }

 	/* now switch into FIPS mode */
 	fips_set_rand_check(FIPS_rand_method());
 	RAND_set_rand_method(FIPS_rand_method());
 	if(FIPS_selftest())
 	    fips_set_mode(1);
 	else
 	    {
 	    fips_selftest_fail = 1;
 	    ret = 0;
 	    goto end;
 	    }
 	ret = 1;
 	goto end;
 	}
     fips_set_mode(0);
     fips_selftest_fail = 0;
     ret = 1;
 end:
     fips_clear_owning_thread();
     fips_w_unlock();
     return ret;
     }

 void fips_w_lock(void)		{ CRYPTO_w_lock(CRYPTO_LOCK_FIPS); }
 void fips_w_unlock(void)	{ CRYPTO_w_unlock(CRYPTO_LOCK_FIPS); }
 void fips_r_lock(void)		{ CRYPTO_r_lock(CRYPTO_LOCK_FIPS); }
 void fips_r_unlock(void)	{ CRYPTO_r_unlock(CRYPTO_LOCK_FIPS); }

 static int fips_started = 0;
 static unsigned long fips_thread = 0;

 void fips_set_started(void)
 	{
 	fips_started = 1;
 	}

 int fips_is_started(void)
 	{
 	return fips_started;
 	}

 int fips_is_owning_thread(void)
 	{
 	int ret = 0;

 	if (fips_is_started())
 		{
 		CRYPTO_r_lock(CRYPTO_LOCK_FIPS2);
 		if (fips_thread != 0 && fips_thread == CRYPTO_thread_id())
 			ret = 1;
 		CRYPTO_r_unlock(CRYPTO_LOCK_FIPS2);
 		}
 	return ret;
 	}

 int fips_set_owning_thread(void)
 	{
 	int ret = 0;

 	if (fips_is_started())
 		{
 		CRYPTO_w_lock(CRYPTO_LOCK_FIPS2);
 		if (fips_thread == 0)
 			{
 			fips_thread = CRYPTO_thread_id();
 			ret = 1;
 			}
 		CRYPTO_w_unlock(CRYPTO_LOCK_FIPS2);
 		}
 	return ret;
 	}

 int fips_clear_owning_thread(void)
 	{
 	int ret = 0;

 	if (fips_is_started())
 		{
 		CRYPTO_w_lock(CRYPTO_LOCK_FIPS2);
 		if (fips_thread == CRYPTO_thread_id())
 			{
 			fips_thread = 0;
 			ret = 1;
 			}
 		CRYPTO_w_unlock(CRYPTO_LOCK_FIPS2);
 		}
 	return ret;
 	}

 unsigned char *fips_signature_witness(void)
 	{
 	extern unsigned char FIPS_signature[];
 	return FIPS_signature;
 	}

 /* Generalized public key test routine. Signs and verifies the data
  * supplied in tbs using mesage digest md and setting option digest
  * flags md_flags. If the 'kat' parameter is not NULL it will
  * additionally check the signature matches it: a known answer test
  * The string "fail_str" is used for identification purposes in case
  * of failure.
  */

 int fips_pkey_signature_test(EVP_PKEY *pkey,
 			const unsigned char *tbs, int tbslen,
 			const unsigned char *kat, unsigned int katlen,
 			const EVP_MD *digest, unsigned int md_flags,
 			const char *fail_str)
 	{
 	int ret = 0;
 	unsigned char sigtmp[256], *sig = sigtmp;
 	unsigned int siglen;
 	EVP_MD_CTX mctx;
 	EVP_MD_CTX_init(&mctx);

 	if ((pkey->type == EVP_PKEY_RSA)
 		&& (RSA_size(pkey->pkey.rsa) > sizeof(sigtmp)))
 		{
 		sig = OPENSSL_malloc(RSA_size(pkey->pkey.rsa));
 		if (!sig)
 			{
 			FIPSerr(FIPS_F_FIPS_PKEY_SIGNATURE_TEST,ERR_R_MALLOC_FAILURE);
 			return 0;
 			}
 		}

 	if (tbslen == -1)
 		tbslen = strlen((char *)tbs);

 	if (md_flags)
 		M_EVP_MD_CTX_set_flags(&mctx, md_flags);

 	if (!EVP_SignInit_ex(&mctx, digest, NULL))
 		goto error;
 	if (!EVP_SignUpdate(&mctx, tbs, tbslen))
 		goto error;
 	if (!EVP_SignFinal(&mctx, sig, &siglen, pkey))
 		goto error;

 	if (kat && ((siglen != katlen) || memcmp(kat, sig, katlen)))
 		goto error;

 	if (!EVP_VerifyInit_ex(&mctx, digest, NULL))
 		goto error;
 	if (!EVP_VerifyUpdate(&mctx, tbs, tbslen))
 		goto error;
 	ret = EVP_VerifyFinal(&mctx, sig, siglen, pkey);

 	error:
 	if (sig != sigtmp)
 		OPENSSL_free(sig);
 	EVP_MD_CTX_cleanup(&mctx);
 	if (ret != 1)
 		{
 		FIPSerr(FIPS_F_FIPS_PKEY_SIGNATURE_TEST,FIPS_R_TEST_FAILURE);
 		if (fail_str)
 			ERR_add_error_data(2, "Type=", fail_str);
 		return 0;
 		}
 	return 1;
 	}

 /* Generalized symmetric cipher test routine. Encrypt data, verify result
  * against known answer, decrypt and compare with original plaintext.
  */

 int fips_cipher_test(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
 			const unsigned char *key,
 			const unsigned char *iv,
 			const unsigned char *plaintext,
 			const unsigned char *ciphertext,
 			int len)
 	{
 	unsigned char pltmp[FIPS_MAX_CIPHER_TEST_SIZE];
 	unsigned char citmp[FIPS_MAX_CIPHER_TEST_SIZE];
 	OPENSSL_assert(len <= FIPS_MAX_CIPHER_TEST_SIZE);
 	if (EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, 1) <= 0)
 		return 0;
 	EVP_Cipher(ctx, citmp, plaintext, len);
 	if (memcmp(citmp, ciphertext, len))
 		return 0;
 	if (EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, 0) <= 0)
 		return 0;
 	EVP_Cipher(ctx, pltmp, citmp, len);
 	if (memcmp(pltmp, plaintext, len))
 		return 0;
 	return 1;
 	}

 #if 0
 /* The purpose of this is to ensure the error code exists and the function
  * name is to keep the error checking script quiet
  */
 void hash_final(void)
 	{
 	FIPSerr(FIPS_F_HASH_FINAL,FIPS_R_NON_FIPS_METHOD);
 	}
 #endif


 #endif
	/* ====================================================================
	* Copyright (c) 2003 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
	* openssl-core@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.
	*
	*/


	#include <openssl/rand.h>
	#include <openssl/fips_rand.h>
	#include <openssl/err.h>
	#include <openssl/bio.h>
	#include <openssl/hmac.h>
	#include <openssl/rsa.h>
	#include <string.h>
	#include <limits.h>
	#include "fips_locl.h"

	#ifdef OPENSSL_FIPS

	#include <openssl/fips.h>

	#ifndef PATH_MAX
	#define PATH_MAX 1024
	#endif

	static int fips_selftest_fail;
	static int fips_mode;
	static const void *fips_rand_check;

	static void fips_set_mode(int onoff)
	{
	int owning_thread = fips_is_owning_thread();

	if (fips_is_started())
	{
	if (!owning_thread) fips_w_lock();
	fips_mode = onoff;
	if (!owning_thread) fips_w_unlock();
	}
	}

	static void fips_set_rand_check(const void *rand_check)
	{
	int owning_thread = fips_is_owning_thread();

	if (fips_is_started())
	{
	if (!owning_thread) fips_w_lock();
	fips_rand_check = rand_check;
	if (!owning_thread) fips_w_unlock();
	}
	}

	int FIPS_mode(void)
	{
	int ret = 0;
	int owning_thread = fips_is_owning_thread();

	if (fips_is_started())
	{
	if (!owning_thread) fips_r_lock();
	ret = fips_mode;
	if (!owning_thread) fips_r_unlock();
	}
	return ret;
	}

	const void *FIPS_rand_check(void)
	{
	const void *ret = 0;
	int owning_thread = fips_is_owning_thread();

	if (fips_is_started())
	{
	if (!owning_thread) fips_r_lock();
	ret = fips_rand_check;
	if (!owning_thread) fips_r_unlock();
	}
	return ret;
	}

	int FIPS_selftest_failed(void)
	{
	int ret = 0;
	if (fips_is_started())
	{
	int owning_thread = fips_is_owning_thread();

	if (!owning_thread) fips_r_lock();
	ret = fips_selftest_fail;
	if (!owning_thread) fips_r_unlock();
	}
	return ret;
	}

	/* Selftest failure fatal exit routine. This will be called
	* during any cryptographic operation. It has the minimum
	* overhead possible to avoid too big a performance hit.
	*/

	void FIPS_selftest_check(void)
	{
	if (fips_selftest_fail)
	{
	OpenSSLDie(__FILE__,__LINE__, "FATAL FIPS SELFTEST FAILURE");
	}
	}

	void fips_set_selftest_fail(void)
	{
	fips_selftest_fail = 1;
	}

	int FIPS_selftest()
	{

	return FIPS_selftest_sha1()
	&& FIPS_selftest_hmac()
	&& FIPS_selftest_aes()
	&& FIPS_selftest_des()
	&& FIPS_selftest_rsa()
	&& FIPS_selftest_dsa();
	}

	extern const void FIPS_text_start(), FIPS_text_end();
	extern const unsigned char FIPS_rodata_start[], FIPS_rodata_end[];
	unsigned char FIPS_signature [20] = { 0 };
	static const char FIPS_hmac_key[]="etaonrishdlcupfm";

	unsigned int FIPS_incore_fingerprint(unsigned char *sig,unsigned int len)
	{
	const unsigned char *p1 = FIPS_text_start();
	const unsigned char *p2 = FIPS_text_end();
	const unsigned char *p3 = FIPS_rodata_start;
	const unsigned char *p4 = FIPS_rodata_end;
	HMAC_CTX c;

	HMAC_CTX_init(&c);
	HMAC_Init(&c,FIPS_hmac_key,strlen(FIPS_hmac_key),EVP_sha1());

	/* detect overlapping regions */
	if (p1<=p3 && p2>=p3)
	p3=p1, p4=p2>p4?p2:p4, p1=NULL, p2=NULL;
	else if (p3<=p1 && p4>=p1)
	p3=p3, p4=p2>p4?p2:p4, p1=NULL, p2=NULL;

	if (p1)
	HMAC_Update(&c,p1,(size_t)p2-(size_t)p1);

	if (FIPS_signature>=p3 && FIPS_signature<p4)
	{
	/* "punch" hole */
	HMAC_Update(&c,p3,(size_t)FIPS_signature-(size_t)p3);
	p3 = FIPS_signature+sizeof(FIPS_signature);
	if (p3<p4)
	HMAC_Update(&c,p3,(size_t)p4-(size_t)p3);
	}
	else
	HMAC_Update(&c,p3,(size_t)p4-(size_t)p3);

	HMAC_Final(&c,sig,&len);
	HMAC_CTX_cleanup(&c);

	return len;
	}

	int FIPS_check_incore_fingerprint(void)
	{
	unsigned char sig[EVP_MAX_MD_SIZE];
	unsigned int len;
	#if defined(__sgi) && (defined(__mips) \|\| defined(mips))
	extern int __dso_displacement[];
	#else
	extern int OPENSSL_NONPIC_relocated;
	#endif

	if (FIPS_text_start()==NULL)
	{
	FIPSerr(FIPS_F_FIPS_CHECK_INCORE_FINGERPRINT,FIPS_R_UNSUPPORTED_PLATFORM);
	return 0;
	}

	len=FIPS_incore_fingerprint (sig,sizeof(sig));

	if (len!=sizeof(FIPS_signature) \|\|
	memcmp(FIPS_signature,sig,sizeof(FIPS_signature)))
	{
	if (FIPS_signature>=FIPS_rodata_start && FIPS_signature<FIPS_rodata_end)
	FIPSerr(FIPS_F_FIPS_CHECK_INCORE_FINGERPRINT,FIPS_R_FINGERPRINT_DOES_NOT_MATCH_SEGMENT_ALIASING);
	#if defined(__sgi) && (defined(__mips) \|\| defined(mips))
	else if (__dso_displacement!=NULL)
	#else
	else if (OPENSSL_NONPIC_relocated)
	#endif
	FIPSerr(FIPS_F_FIPS_CHECK_INCORE_FINGERPRINT,FIPS_R_FINGERPRINT_DOES_NOT_MATCH_NONPIC_RELOCATED);
	else
	FIPSerr(FIPS_F_FIPS_CHECK_INCORE_FINGERPRINT,FIPS_R_FINGERPRINT_DOES_NOT_MATCH);
	return 0;
	}

	return 1;
	}

	int FIPS_mode_set(int onoff)
	{
	int fips_set_owning_thread();
	int fips_clear_owning_thread();
	int ret = 0;

	fips_w_lock();
	fips_set_started();
	fips_set_owning_thread();

	if(onoff)
	{
	unsigned char buf[48];

	fips_selftest_fail = 0;

	/* Don't go into FIPS mode twice, just so we can do automagic
	seeding */
	if(FIPS_mode())
	{
	FIPSerr(FIPS_F_FIPS_MODE_SET,FIPS_R_FIPS_MODE_ALREADY_SET);
	fips_selftest_fail = 1;
	ret = 0;
	goto end;
	}

	#ifdef OPENSSL_IA32_SSE2
	if ((OPENSSL_ia32cap & (1<<25\|1<<26)) != (1<<25\|1<<26))
	{
	FIPSerr(FIPS_F_FIPS_MODE_SET,FIPS_R_UNSUPPORTED_PLATFORM);
	fips_selftest_fail = 1;
	ret = 0;
	goto end;
	}
	#endif

	if(fips_signature_witness() != FIPS_signature)
	{
	FIPSerr(FIPS_F_FIPS_MODE_SET,FIPS_R_CONTRADICTING_EVIDENCE);
	fips_selftest_fail = 1;
	ret = 0;
	goto end;
	}

	if(!FIPS_check_incore_fingerprint())
	{
	fips_selftest_fail = 1;
	ret = 0;
	goto end;
	}

	/* Perform RNG KAT before seeding */
	if (!FIPS_selftest_rng())
	{
	fips_selftest_fail = 1;
	ret = 0;
	goto end;
	}

	/* automagically seed PRNG if not already seeded */
	if(!FIPS_rand_status())
	{
	if(RAND_bytes(buf,sizeof buf) <= 0)
	{
	fips_selftest_fail = 1;
	ret = 0;
	goto end;
	}
	FIPS_rand_set_key(buf,32);
	FIPS_rand_seed(buf+32,16);
	}

	/* now switch into FIPS mode */
	fips_set_rand_check(FIPS_rand_method());
	RAND_set_rand_method(FIPS_rand_method());
	if(FIPS_selftest())
	fips_set_mode(1);
	else
	{
	fips_selftest_fail = 1;
	ret = 0;
	goto end;
	}
	ret = 1;
	goto end;
	}
	fips_set_mode(0);
	fips_selftest_fail = 0;
	ret = 1;
	end:
	fips_clear_owning_thread();
	fips_w_unlock();
	return ret;
	}

	void fips_w_lock(void) { CRYPTO_w_lock(CRYPTO_LOCK_FIPS); }
	void fips_w_unlock(void) { CRYPTO_w_unlock(CRYPTO_LOCK_FIPS); }
	void fips_r_lock(void) { CRYPTO_r_lock(CRYPTO_LOCK_FIPS); }
	void fips_r_unlock(void) { CRYPTO_r_unlock(CRYPTO_LOCK_FIPS); }

	static int fips_started = 0;
	static unsigned long fips_thread = 0;

	void fips_set_started(void)
	{
	fips_started = 1;
	}

	int fips_is_started(void)
	{
	return fips_started;
	}

	int fips_is_owning_thread(void)
	{
	int ret = 0;

	if (fips_is_started())
	{
	CRYPTO_r_lock(CRYPTO_LOCK_FIPS2);
	if (fips_thread != 0 && fips_thread == CRYPTO_thread_id())
	ret = 1;
	CRYPTO_r_unlock(CRYPTO_LOCK_FIPS2);
	}
	return ret;
	}

	int fips_set_owning_thread(void)
	{
	int ret = 0;

	if (fips_is_started())
	{
	CRYPTO_w_lock(CRYPTO_LOCK_FIPS2);
	if (fips_thread == 0)
	{
	fips_thread = CRYPTO_thread_id();
	ret = 1;
	}
	CRYPTO_w_unlock(CRYPTO_LOCK_FIPS2);
	}
	return ret;
	}

	int fips_clear_owning_thread(void)
	{
	int ret = 0;

	if (fips_is_started())
	{
	CRYPTO_w_lock(CRYPTO_LOCK_FIPS2);
	if (fips_thread == CRYPTO_thread_id())
	{
	fips_thread = 0;
	ret = 1;
	}
	CRYPTO_w_unlock(CRYPTO_LOCK_FIPS2);
	}
	return ret;
	}

	unsigned char *fips_signature_witness(void)
	{
	extern unsigned char FIPS_signature[];
	return FIPS_signature;
	}

	/* Generalized public key test routine. Signs and verifies the data
	* supplied in tbs using mesage digest md and setting option digest
	* flags md_flags. If the 'kat' parameter is not NULL it will
	* additionally check the signature matches it: a known answer test
	* The string "fail_str" is used for identification purposes in case
	* of failure.
	*/

	int fips_pkey_signature_test(EVP_PKEY *pkey,
	const unsigned char *tbs, int tbslen,
	const unsigned char *kat, unsigned int katlen,
	const EVP_MD *digest, unsigned int md_flags,
	const char *fail_str)
	{
	int ret = 0;
	unsigned char sigtmp[256], *sig = sigtmp;
	unsigned int siglen;
	EVP_MD_CTX mctx;
	EVP_MD_CTX_init(&mctx);

	if ((pkey->type == EVP_PKEY_RSA)
	&& (RSA_size(pkey->pkey.rsa) > sizeof(sigtmp)))
	{
	sig = OPENSSL_malloc(RSA_size(pkey->pkey.rsa));
	if (!sig)
	{
	FIPSerr(FIPS_F_FIPS_PKEY_SIGNATURE_TEST,ERR_R_MALLOC_FAILURE);
	return 0;
	}
	}

	if (tbslen == -1)
	tbslen = strlen((char *)tbs);

	if (md_flags)
	M_EVP_MD_CTX_set_flags(&mctx, md_flags);

	if (!EVP_SignInit_ex(&mctx, digest, NULL))
	goto error;
	if (!EVP_SignUpdate(&mctx, tbs, tbslen))
	goto error;
	if (!EVP_SignFinal(&mctx, sig, &siglen, pkey))
	goto error;

	if (kat && ((siglen != katlen) \|\| memcmp(kat, sig, katlen)))
	goto error;

	if (!EVP_VerifyInit_ex(&mctx, digest, NULL))
	goto error;
	if (!EVP_VerifyUpdate(&mctx, tbs, tbslen))
	goto error;
	ret = EVP_VerifyFinal(&mctx, sig, siglen, pkey);

	error:
	if (sig != sigtmp)
	OPENSSL_free(sig);
	EVP_MD_CTX_cleanup(&mctx);
	if (ret != 1)
	{
	FIPSerr(FIPS_F_FIPS_PKEY_SIGNATURE_TEST,FIPS_R_TEST_FAILURE);
	if (fail_str)
	ERR_add_error_data(2, "Type=", fail_str);
	return 0;
	}
	return 1;
	}

	/* Generalized symmetric cipher test routine. Encrypt data, verify result
	* against known answer, decrypt and compare with original plaintext.
	*/

	int fips_cipher_test(EVP_CIPHER_CTX ctx, const EVP_CIPHER cipher,
	const unsigned char *key,
	const unsigned char *iv,
	const unsigned char *plaintext,
	const unsigned char *ciphertext,
	int len)
	{
	unsigned char pltmp[FIPS_MAX_CIPHER_TEST_SIZE];
	unsigned char citmp[FIPS_MAX_CIPHER_TEST_SIZE];
	OPENSSL_assert(len <= FIPS_MAX_CIPHER_TEST_SIZE);
	if (EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, 1) <= 0)
	return 0;
	EVP_Cipher(ctx, citmp, plaintext, len);
	if (memcmp(citmp, ciphertext, len))
	return 0;
	if (EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, 0) <= 0)
	return 0;
	EVP_Cipher(ctx, pltmp, citmp, len);
	if (memcmp(pltmp, plaintext, len))
	return 0;
	return 1;
	}

	#if 0
	/* The purpose of this is to ensure the error code exists and the function
	* name is to keep the error checking script quiet
	*/
	void hash_final(void)
	{
	FIPSerr(FIPS_F_HASH_FINAL,FIPS_R_NON_FIPS_METHOD);
	}
	#endif


	#endif