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Add ABI tests for MD5.

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This does not actually matter, but writing new CFI directives with the
tester seemed like fun. (It caught two typos, one intentional and one
accidental.)

Change-Id: Iff3e0358f2e56caa26079f658fa7a682772150a1
Reviewed-on: https://boringssl-review.googlesource.com/c/34185
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
This commit is contained in:
David Benjamin 2019-01-01 22:08:19 +00:00 committed by CQ bot account: commit-bot@chromium.org
parent 7076be5141
commit 5e350d13f5
5 changed files with 87 additions and 5 deletions
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1
crypto/CMakeLists.txt
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@ -456,6 +456,7 @@ add_executable(
fipsmodule/ec/ec_test.cc
fipsmodule/ec/p256-x86_64_test.cc
fipsmodule/ecdsa/ecdsa_test.cc
fipsmodule/md5/md5_test.cc
fipsmodule/modes/gcm_test.cc
fipsmodule/rand/ctrdrbg_test.cc
fipsmodule/sha/sha_test.cc

13
crypto/fipsmodule/md5/asm/md5-x86_64.pl
View File

@ -130,11 +130,17 @@ $code .= <<EOF;
.globl md5_block_asm_data_order
.type md5_block_asm_data_order,\@function,3
md5_block_asm_data_order:
.cfi_startproc
push %rbp
.cfi_push rbp
push %rbx
.cfi_push rbx
push %r12
.cfi_push r12
push %r14
.cfi_push r14
push %r15
.cfi_push r15
.Lprologue:
# rdi = arg #1 (ctx, MD5_CTX pointer)
@ -251,13 +257,20 @@ $code .= <<EOF;
mov %edx, 3*4(%rbp) # ctx->D = D
mov (%rsp),%r15
.cfi_restore r15
mov 8(%rsp),%r14
.cfi_restore r14
mov 16(%rsp),%r12
.cfi_restore r12
mov 24(%rsp),%rbx
.cfi_restore rbx
mov 32(%rsp),%rbp
.cfi_restore rbp
add \$40,%rsp
.cfi_adjust_cfa_offset -40
.Lepilogue:
ret
.cfi_endproc
.size md5_block_asm_data_order,.-md5_block_asm_data_order
EOF

37
crypto/fipsmodule/md5/internal.h Normal file
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@ -0,0 +1,37 @@
/* Copyright (c) 2018, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#ifndef OPENSSL_HEADER_MD5_INTERNAL_H
#define OPENSSL_HEADER_MD5_INTERNAL_H
#include <openssl/base.h>
#if defined(__cplusplus)
extern "C" {
#endif
#if !defined(OPENSSL_NO_ASM) && \
(defined(OPENSSL_X86_64) || defined(OPENSSL_X86))
#define MD5_ASM
extern void md5_block_asm_data_order(uint32_t *state, const uint8_t *data,
size_t num);
#endif
#if defined(__cplusplus)
} // extern "C"
#endif
#endif // OPENSSL_HEADER_MD5_INTERNAL_H

7
crypto/fipsmodule/md5/md5.c
View File

@ -60,6 +60,7 @@
#include <openssl/mem.h>
#include "internal.h"
#include "../../internal.h"
@ -81,12 +82,8 @@ int MD5_Init(MD5_CTX *md5) {
return 1;
}
#if !defined(OPENSSL_NO_ASM) && \
(defined(OPENSSL_X86_64) || defined(OPENSSL_X86))
#define MD5_ASM
#if defined(MD5_ASM)
#define md5_block_data_order md5_block_asm_data_order
extern void md5_block_data_order(uint32_t *state, const uint8_t *data,
size_t num);
#else
static void md5_block_data_order(uint32_t *state, const uint8_t *data,
size_t num);

34
crypto/fipsmodule/md5/md5_test.cc Normal file
View File

@ -0,0 +1,34 @@
/* Copyright (c) 2018, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <openssl/md5.h>
#include <gtest/gtest.h>
#include "internal.h"
#include "../../test/abi_test.h"
#if defined(MD5_ASM) && defined(SUPPORTS_ABI_TEST)
TEST(MD5Test, ABI) {
MD5_CTX ctx;
MD5_Init(&ctx);
static const uint8_t kBuf[MD5_CBLOCK * 8] = {0};
CHECK_ABI(md5_block_asm_data_order, ctx.h, kBuf, 1);
CHECK_ABI(md5_block_asm_data_order, ctx.h, kBuf, 2);
CHECK_ABI(md5_block_asm_data_order, ctx.h, kBuf, 4);
CHECK_ABI(md5_block_asm_data_order, ctx.h, kBuf, 8);
}
#endif // MD5_ASM && SUPPORTS_ABI_TEST