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openssl/fips/fips.c

Index: openssl/fips/fips.c
===================================================================
--- openssl/fips/fips.c	(revision 105093)
+++ openssl/fips/fips.c	(working copy)
@@ -1,519 +0,0 @@
-/* ====================================================================
- * 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