And so it begins... again.

Initial FIPS 140-2 code ported to HEAD. Doesn't even compile yet, may have
missing files, extraneous files and other nastiness.

In other words: it's experimental ATM, OK?
This commit is contained in:
Dr. Stephen Henson
2011-01-26 00:56:19 +00:00
parent 72a267331a
commit 2b4b28dc32
46 changed files with 12117 additions and 0 deletions

73
fips/utl/Makefile Normal file
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#
# OpenSSL/fips/utl/Makefile
#
DIR= callback
TOP= ../..
CC= cc
INCLUDES=
CFLAG=-g
INSTALL_PREFIX=
OPENSSLDIR= /usr/local/ssl
INSTALLTOP=/usr/local/ssl
MAKEDEPPROG= makedepend
MAKEDEPEND= $(TOP)/util/domd $(TOP) -MD $(MAKEDEPPROG)
MAKEFILE= Makefile
AR= ar r
CFLAGS= $(INCLUDES) $(CFLAG)
GENERAL=Makefile
TEST=
APPS=
LIB=$(TOP)/libcrypto.a
LIBSRC= fips_err.c fips_md.c fips_enc.c
LIBOBJ= fips_err.o fips_md.o fips_enc.o
SRC= $(LIBSRC)
EXHEADER=
HEADER= $(EXHEADER)
ALL= $(GENERAL) $(SRC) $(HEADER)
top:
(cd $(TOP); $(MAKE) DIRS=fips FDIRS=$(DIR) sub_all)
all: lib
lib: $(LIBOBJ)
@echo $(LIBOBJ) > lib
files:
$(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
links:
@$(PERL) $(TOP)/util/mklink.pl $(TOP)/include/openssl $(EXHEADER)
@$(PERL) $(TOP)/util/mklink.pl $(TOP)/test $(TEST)
@$(PERL) $(TOP)/util/mklink.pl $(TOP)/apps $(APPS)
install:
@headerlist="$(EXHEADER)"; for i in $$headerlist; \
do \
(cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
done
tags:
ctags $(SRC)
tests:
depend:
$(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(SRC) $(TEST)
dclean:
$(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
mv -f Makefile.new $(MAKEFILE)
clean:
rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
# DO NOT DELETE THIS LINE -- make depend depends on it.

228
fips/utl/fips_enc.c Normal file
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/* fipe/evp/fips_enc.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS 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 AUTHOR OR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include <string.h>
#include <openssl/evp.h>
#include <openssl/err.h>
#include <openssl/rand.h>
void FIPS_cipher_ctx_init(EVP_CIPHER_CTX *ctx)
{
memset(ctx,0,sizeof(EVP_CIPHER_CTX));
/* ctx->cipher=NULL; */
}
EVP_CIPHER_CTX *FIPS_cipher_ctx_new(void)
{
EVP_CIPHER_CTX *ctx=OPENSSL_malloc(sizeof *ctx);
if (ctx)
FIPS_cipher_ctx_init(ctx);
return ctx;
}
int FIPS_cipherinit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
const unsigned char *key, const unsigned char *iv, int enc)
{
if (enc == -1)
enc = ctx->encrypt;
else
{
if (enc)
enc = 1;
ctx->encrypt = enc;
}
if (cipher)
{
/* Ensure a context left lying around from last time is cleared
* (the previous check attempted to avoid this if the same
* ENGINE and EVP_CIPHER could be used). */
FIPS_cipher_ctx_cleanup(ctx);
/* Restore encrypt field: it is zeroed by cleanup */
ctx->encrypt = enc;
ctx->cipher=cipher;
if (ctx->cipher->ctx_size)
{
ctx->cipher_data=OPENSSL_malloc(ctx->cipher->ctx_size);
if (!ctx->cipher_data)
{
EVPerr(EVP_F_EVP_CIPHERINIT_EX, ERR_R_MALLOC_FAILURE);
return 0;
}
}
else
{
ctx->cipher_data = NULL;
}
ctx->key_len = cipher->key_len;
ctx->flags = 0;
if(ctx->cipher->flags & EVP_CIPH_CTRL_INIT)
{
if(!FIPS_cipher_ctx_ctrl(ctx, EVP_CTRL_INIT, 0, NULL))
{
EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_INITIALIZATION_ERROR);
return 0;
}
}
}
else if(!ctx->cipher)
{
EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_NO_CIPHER_SET);
return 0;
}
/* we assume block size is a power of 2 in *cryptUpdate */
OPENSSL_assert(ctx->cipher->block_size == 1
|| ctx->cipher->block_size == 8
|| ctx->cipher->block_size == 16);
if(!(M_EVP_CIPHER_CTX_flags(ctx) & EVP_CIPH_CUSTOM_IV)) {
switch(M_EVP_CIPHER_CTX_mode(ctx)) {
case EVP_CIPH_STREAM_CIPHER:
case EVP_CIPH_ECB_MODE:
break;
case EVP_CIPH_CFB_MODE:
case EVP_CIPH_OFB_MODE:
ctx->num = 0;
/* fall-through */
case EVP_CIPH_CBC_MODE:
OPENSSL_assert(M_EVP_CIPHER_CTX_iv_length(ctx) <=
(int)sizeof(ctx->iv));
if(iv) memcpy(ctx->oiv, iv, M_EVP_CIPHER_CTX_iv_length(ctx));
memcpy(ctx->iv, ctx->oiv, M_EVP_CIPHER_CTX_iv_length(ctx));
break;
case EVP_CIPH_CTR_MODE:
/* Don't reuse IV for CTR mode */
if(iv)
memcpy(ctx->iv, iv, M_EVP_CIPHER_CTX_iv_length(ctx));
break;
default:
return 0;
break;
}
}
if(key || (ctx->cipher->flags & EVP_CIPH_ALWAYS_CALL_INIT)) {
if(!ctx->cipher->init(ctx,key,iv,enc)) return 0;
}
ctx->buf_len=0;
ctx->final_used=0;
ctx->block_mask=ctx->cipher->block_size-1;
return 1;
}
void FIPS_cipher_ctx_free(EVP_CIPHER_CTX *ctx)
{
if (ctx)
{
FIPS_cipher_ctx_cleanup(ctx);
OPENSSL_free(ctx);
}
}
int FIPS_cipher_ctx_cleanup(EVP_CIPHER_CTX *c)
{
if (c->cipher != NULL)
{
if(c->cipher->cleanup && !c->cipher->cleanup(c))
return 0;
/* Cleanse cipher context data */
if (c->cipher_data)
OPENSSL_cleanse(c->cipher_data, c->cipher->ctx_size);
}
if (c->cipher_data)
OPENSSL_free(c->cipher_data);
memset(c,0,sizeof(EVP_CIPHER_CTX));
return 1;
}
int FIPS_cipher_ctx_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
{
int ret;
if(!ctx->cipher) {
EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_NO_CIPHER_SET);
return 0;
}
if(!ctx->cipher->ctrl) {
EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_CTRL_NOT_IMPLEMENTED);
return 0;
}
ret = ctx->cipher->ctrl(ctx, type, arg, ptr);
if(ret == -1) {
EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED);
return 0;
}
return ret;
}
int FIPS_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
return ctx->cipher->do_cipher(ctx,out,in,inl);
}

87
fips/utl/fips_err.c Normal file
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/* fips/utl/fips_err.c */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project.
*/
/* ====================================================================
* Copyright (c) 2010 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.
* ====================================================================
*/
#include <openssl/err.h>
#include <openssl/fips.h>
/* FIPS error callbacks */
static void (*fips_put_error_cb)(int lib, int func,int reason,const char *file,int line) = 0;
static void (*fips_add_error_vdata)(int num, va_list args) = 0;
void FIPS_put_error(int lib, int func,int reason,const char *file,int line)
{
if (fips_put_error_cb)
fips_put_error_cb(lib, func, reason, file, line);
}
void FIPS_add_error_data(int num, ...)
{
if (fips_add_error_vdata)
{
va_list args;
va_start(args, num);
fips_add_error_vdata(num, args);
va_end(args);
}
}
void FIPS_set_error_callbacks(
void (*put_cb)(int lib, int func,int reason,const char *file,int line),
void (*add_cb)(int num, va_list args) )
{
fips_put_error_cb = put_cb;
fips_add_error_vdata = add_cb;
}

265
fips/utl/fips_md.c Normal file
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/* fips/evp/fips_md.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS 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 AUTHOR OR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/* ====================================================================
* Copyright (c) 1998-2001 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.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/* Minimal standalone FIPS versions of Digest operations */
#include <stdio.h>
#include <string.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/err.h>
void FIPS_md_ctx_init(EVP_MD_CTX *ctx)
{
memset(ctx,'\0',sizeof *ctx);
}
EVP_MD_CTX *FIPS_md_ctx_create(void)
{
EVP_MD_CTX *ctx=OPENSSL_malloc(sizeof *ctx);
if (ctx)
FIPS_md_ctx_init(ctx);
return ctx;
}
int FIPS_digestinit(EVP_MD_CTX *ctx, const EVP_MD *type)
{
M_EVP_MD_CTX_clear_flags(ctx,EVP_MD_CTX_FLAG_CLEANED);
if (ctx->digest != type)
{
if (ctx->digest && ctx->digest->ctx_size)
OPENSSL_free(ctx->md_data);
ctx->digest=type;
if (!(ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) && type->ctx_size)
{
ctx->update = type->update;
ctx->md_data=OPENSSL_malloc(type->ctx_size);
if (ctx->md_data == NULL)
{
EVPerr(EVP_F_EVP_DIGESTINIT_EX,
ERR_R_MALLOC_FAILURE);
return 0;
}
}
}
if (ctx->flags & EVP_MD_CTX_FLAG_NO_INIT)
return 1;
return ctx->digest->init(ctx);
}
int FIPS_digestupdate(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return ctx->update(ctx,data,count);
}
/* The caller can assume that this removes any secret data from the context */
int FIPS_digestfinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size)
{
int ret;
OPENSSL_assert(ctx->digest->md_size <= EVP_MAX_MD_SIZE);
ret=ctx->digest->final(ctx,md);
if (size != NULL)
*size=ctx->digest->md_size;
if (ctx->digest->cleanup)
{
ctx->digest->cleanup(ctx);
M_EVP_MD_CTX_set_flags(ctx,EVP_MD_CTX_FLAG_CLEANED);
}
memset(ctx->md_data,0,ctx->digest->ctx_size);
return ret;
}
int FIPS_digest(const void *data, size_t count,
unsigned char *md, unsigned int *size, const EVP_MD *type)
{
EVP_MD_CTX ctx;
int ret;
FIPS_md_ctx_init(&ctx);
M_EVP_MD_CTX_set_flags(&ctx,EVP_MD_CTX_FLAG_ONESHOT);
ret=FIPS_digestinit(&ctx, type)
&& FIPS_digestupdate(&ctx, data, count)
&& FIPS_digestfinal(&ctx, md, size);
FIPS_md_ctx_cleanup(&ctx);
return ret;
}
void FIPS_md_ctx_destroy(EVP_MD_CTX *ctx)
{
FIPS_md_ctx_cleanup(ctx);
OPENSSL_free(ctx);
}
/* This call frees resources associated with the context */
int FIPS_md_ctx_cleanup(EVP_MD_CTX *ctx)
{
/* Don't assume ctx->md_data was cleaned in EVP_Digest_Final,
* because sometimes only copies of the context are ever finalised.
*/
if (ctx->digest && ctx->digest->cleanup
&& !M_EVP_MD_CTX_test_flags(ctx,EVP_MD_CTX_FLAG_CLEANED))
ctx->digest->cleanup(ctx);
if (ctx->digest && ctx->digest->ctx_size && ctx->md_data
&& !M_EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE))
{
OPENSSL_cleanse(ctx->md_data,ctx->digest->ctx_size);
OPENSSL_free(ctx->md_data);
}
memset(ctx,'\0',sizeof *ctx);
return 1;
}
int FIPS_md_ctx_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in)
{
unsigned char *tmp_buf;
if ((in == NULL) || (in->digest == NULL))
{
EVPerr(EVP_F_EVP_MD_CTX_COPY_EX,EVP_R_INPUT_NOT_INITIALIZED);
return 0;
}
if (out->digest == in->digest)
{
tmp_buf = out->md_data;
M_EVP_MD_CTX_set_flags(out,EVP_MD_CTX_FLAG_REUSE);
}
else tmp_buf = NULL;
FIPS_md_ctx_cleanup(out);
memcpy(out,in,sizeof *out);
if (in->md_data && out->digest->ctx_size)
{
if (tmp_buf)
out->md_data = tmp_buf;
else
{
out->md_data=OPENSSL_malloc(out->digest->ctx_size);
if (!out->md_data)
{
EVPerr(EVP_F_EVP_MD_CTX_COPY_EX,ERR_R_MALLOC_FAILURE);
return 0;
}
}
memcpy(out->md_data,in->md_data,out->digest->ctx_size);
}
out->update = in->update;
if (out->digest->copy)
return out->digest->copy(out,in);
return 1;
}