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Create a FIPS provider and put SHA256 in it 

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8537)
This commit is contained in:
Matt Caswell 2019-03-20 14:27:52 +00:00
parent ecbfaef2aa
commit 9efa0ae0b6
8 changed files with 136 additions and 7 deletions
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5
crypto/build.info
View File

@ -21,6 +21,11 @@ SOURCE[../libcrypto]=\
trace.c provider.c params.c \
{- $target{cpuid_asm_src} -} {- $target{uplink_aux_src} -}
# FIPS module
SOURCE[../providers/fips]=\
cryptlib.c mem.c mem_clr.c params.c
DEPEND[cversion.o]=buildinf.h
GENERATE[buildinf.h]=../util/mkbuildinf.pl "$(CC) $(LIB_CFLAGS) $(CPPFLAGS_Q)" "$(PLATFORM)"
DEPEND[buildinf.h]=../configdata.pm

12
crypto/mem.c
View File

@ -14,7 +14,7 @@
#include <stdlib.h>
#include <limits.h>
#include <openssl/crypto.h>
#ifndef OPENSSL_NO_CRYPTO_MDEBUG_BACKTRACE
#if !defined(OPENSSL_NO_CRYPTO_MDEBUG_BACKTRACE) && !defined(FIPS_MODE)
# include <execinfo.h>
#endif
@ -30,7 +30,7 @@ static void *(*realloc_impl)(void *, size_t, const char *, int)
static void (*free_impl)(void *, const char *, int)
= CRYPTO_free;
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
#if !defined(OPENSSL_NO_CRYPTO_MDEBUG) && !defined(FIPS_MODE)
# include "internal/tsan_assist.h"
static TSAN_QUALIFIER int malloc_count;
@ -94,7 +94,7 @@ void CRYPTO_get_mem_functions(
*f = free_impl;
}
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
#if !defined(OPENSSL_NO_CRYPTO_MDEBUG) && !defined(FIPS_MODE)
void CRYPTO_get_alloc_counts(int *mcount, int *rcount, int *fcount)
{
if (mcount != NULL)
@ -209,7 +209,7 @@ void *CRYPTO_malloc(size_t num, const char *file, int line)
*/
allow_customize = 0;
}
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
#if !defined(OPENSSL_NO_CRYPTO_MDEBUG) && !defined(FIPS_MODE)
if (call_malloc_debug) {
CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);
ret = malloc(num);
@ -250,7 +250,7 @@ void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)
return NULL;
}
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
#if !defined(OPENSSL_NO_CRYPTO_MDEBUG) && !defined(FIPS_MODE)
if (call_malloc_debug) {
void *ret;
CRYPTO_mem_debug_realloc(str, NULL, num, 0, file, line);
@ -300,7 +300,7 @@ void CRYPTO_free(void *str, const char *file, int line)
return;
}
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
#if !defined(OPENSSL_NO_CRYPTO_MDEBUG) && !defined(FIPS_MODE)
if (call_malloc_debug) {
CRYPTO_mem_debug_free(str, 0, file, line);
free(str);

8
crypto/params.c
View File

@ -348,6 +348,13 @@ OSSL_PARAM OSSL_PARAM_construct_size_t(const char *key, size_t *buf,
return ossl_param_construct(key, OSSL_PARAM_UNSIGNED_INTEGER, buf,
sizeof(size_t), rsize); }
#ifndef FIPS_MODE
/*
* TODO(3.0): Make this available in FIPS mode.
*
* Temporarily we don't include these functions in FIPS mode to avoid pulling
* in the entire BN sub-library into the module at this point.
*/
int OSSL_PARAM_get_BN(const OSSL_PARAM *p, BIGNUM **val)
{
BIGNUM *b;
@ -387,6 +394,7 @@ OSSL_PARAM OSSL_PARAM_construct_BN(const char *key, unsigned char *buf,
return ossl_param_construct(key, OSSL_PARAM_UNSIGNED_INTEGER,
buf, bsize, rsize);
}
#endif
int OSSL_PARAM_get_double(const OSSL_PARAM *p, double *val)
{

2
crypto/sha/build.info
View File

@ -3,6 +3,8 @@ SOURCE[../../libcrypto]=\
sha1dgst.c sha1_one.c sha256.c sha512.c {- $target{sha1_asm_src} -} \
{- $target{keccak1600_asm_src} -}
SOURCE[../../providers/fips]= sha256.c
GENERATE[sha1-586.s]=asm/sha1-586.pl \
$(PERLASM_SCHEME) $(LIB_CFLAGS) $(LIB_CPPFLAGS) $(PROCESSOR)
DEPEND[sha1-586.s]=../perlasm/x86asm.pl

11
providers/build.info
View File

@ -1 +1,12 @@
SUBDIRS=common default
IF[{- !$disabled{fips} -}]
SUBDIRS=fips
MODULES=fips
IF[{- defined $target{shared_defflag} -}]
SOURCE[fips]=fips.ld
GENERATE[fips.ld]=../util/providers.num
ENDIF
INCLUDE[fips]=.. ../include ../crypto/include
DEFINE[fips]=FIPS_MODE
ENDIF

4
providers/common/digests/build.info
View File

@ -1,3 +1,5 @@
LIBS=../../../libcrypto
SOURCE[../../../libcrypto]=\
sha2.c
SOURCE[../../fips]=\
sha2.c

2
providers/fips/build.info Normal file
View File

@ -0,0 +1,2 @@
SOURCE[../fips]=fipsprov.c

99
providers/fips/fipsprov.c Normal file
View File

@ -0,0 +1,99 @@
/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <string.h>
#include <stdio.h>
#include <openssl/core.h>
#include <openssl/core_numbers.h>
#include <openssl/core_names.h>
#include <openssl/params.h>
/* Functions provided by the core */
static OSSL_core_get_param_types_fn *c_get_param_types = NULL;
static OSSL_core_get_params_fn *c_get_params = NULL;
/* Parameters we provide to the core */
static const OSSL_ITEM fips_param_types[] = {
{ OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_NAME },
{ OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_VERSION },
{ OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_BUILDINFO },
{ 0, NULL }
};
static const OSSL_ITEM *fips_get_param_types(const OSSL_PROVIDER *prov)
{
return fips_param_types;
}
static int fips_get_params(const OSSL_PROVIDER *prov,
const OSSL_PARAM params[])
{
const OSSL_PARAM *p;
p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL FIPS Provider"))
return 0;
p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
return 0;
p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
return 0;
return 1;
}
extern const OSSL_DISPATCH sha256_functions[];
static const OSSL_ALGORITHM fips_digests[] = {
{ "SHA256", "fips=yes", sha256_functions },
{ NULL, NULL, NULL }
};
static const OSSL_ALGORITHM *fips_query(OSSL_PROVIDER *prov,
int operation_id,
int *no_cache)
{
*no_cache = 0;
switch (operation_id) {
case OSSL_OP_DIGEST:
return fips_digests;
}
return NULL;
}
/* Functions we provide to the core */
static const OSSL_DISPATCH fips_dispatch_table[] = {
{ OSSL_FUNC_PROVIDER_GET_PARAM_TYPES, (void (*)(void))fips_get_param_types },
{ OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))fips_get_params },
{ OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
{ 0, NULL }
};
int OSSL_provider_init(const OSSL_PROVIDER *provider,
const OSSL_DISPATCH *in,
const OSSL_DISPATCH **out)
{
for (; in->function_id != 0; in++) {
switch (in->function_id) {
case OSSL_FUNC_CORE_GET_PARAM_TYPES:
c_get_param_types = OSSL_get_core_get_param_types(in);
break;
case OSSL_FUNC_CORE_GET_PARAMS:
c_get_params = OSSL_get_core_get_params(in);
break;
/* Just ignore anything we don't understand */
default:
break;
}
}
*out = fips_dispatch_table;
return 1;
}