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This commit is contained in:
zhaoxiaomeng
2018-01-04 13:38:57 +08:00
committed by Simon
parent d11f845fde
commit 53af3b51ae
2361 changed files with 387455 additions and 144458 deletions
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269
crypto/modes/gcm128.c
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@@ -1,16 +1,65 @@
/*
* Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
/* ====================================================================
* Copyright (c) 2010 The OpenSSL Project. All rights reserved.
*
* Licensed under the OpenSSL license (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
* 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.
* ====================================================================
*/
#define OPENSSL_FIPSAPI
#include <openssl/crypto.h>
#include "modes_lcl.h"
#include <string.h>
#ifndef MODES_DEBUG
# ifndef NDEBUG
# define NDEBUG
# endif
#endif
#include <assert.h>
#if defined(BSWAP4) && defined(STRICT_ALIGNMENT)
/* redefine, because alignment is ensured */
# undef GETU32
@@ -101,7 +150,9 @@ static void gcm_gmult_8bit(u64 Xi[2], const u128 Htable[256])
const union {
long one;
char little;
} is_endian = { 1 };
} is_endian = {
1
};
static const size_t rem_8bit[256] = {
PACK(0x0000), PACK(0x01C2), PACK(0x0384), PACK(0x0246),
PACK(0x0708), PACK(0x06CA), PACK(0x048C), PACK(0x054E),
@@ -270,7 +321,9 @@ static void gcm_init_4bit(u128 Htable[16], u64 H[2])
const union {
long one;
char little;
} is_endian = { 1 };
} is_endian = {
1
};
if (is_endian.little)
for (j = 0; j < 16; ++j) {
@@ -303,7 +356,9 @@ static void gcm_gmult_4bit(u64 Xi[2], const u128 Htable[16])
const union {
long one;
char little;
} is_endian = { 1 };
} is_endian = {
1
};
nlo = ((const u8 *)Xi)[15];
nhi = nlo >> 4;
@@ -382,7 +437,9 @@ static void gcm_ghash_4bit(u64 Xi[2], const u128 Htable[16],
const union {
long one;
char little;
} is_endian = { 1 };
} is_endian = {
1
};
# if 1
do {
@@ -572,7 +629,9 @@ static void gcm_gmult_1bit(u64 Xi[2], const u64 H[2])
const union {
long one;
char little;
} is_endian = { 1 };
} is_endian = {
1
};
V.hi = H[0]; /* H is in host byte order, no byte swapping */
V.lo = H[1];
@@ -715,7 +774,9 @@ void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block)
const union {
long one;
char little;
} is_endian = { 1 };
} is_endian = {
1
};
memset(ctx, 0, sizeof(*ctx));
ctx->block = block;
@@ -740,11 +801,6 @@ void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block)
#if TABLE_BITS==8
gcm_init_8bit(ctx->Htable, ctx->H.u);
#elif TABLE_BITS==4
# if defined(GHASH)
# define CTX__GHASH(f) (ctx->ghash = (f))
# else
# define CTX__GHASH(f) (ctx->ghash = NULL)
# endif
# if defined(GHASH_ASM_X86_OR_64)
# if !defined(GHASH_ASM_X86) || defined(OPENSSL_IA32_SSE2)
if (OPENSSL_ia32cap_P[0] & (1 << 24) && /* check FXSR bit */
@@ -752,11 +808,11 @@ void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block)
if (((OPENSSL_ia32cap_P[1] >> 22) & 0x41) == 0x41) { /* AVX+MOVBE */
gcm_init_avx(ctx->Htable, ctx->H.u);
ctx->gmult = gcm_gmult_avx;
CTX__GHASH(gcm_ghash_avx);
ctx->ghash = gcm_ghash_avx;
} else {
gcm_init_clmul(ctx->Htable, ctx->H.u);
ctx->gmult = gcm_gmult_clmul;
CTX__GHASH(gcm_ghash_clmul);
ctx->ghash = gcm_ghash_clmul;
}
return;
}
@@ -769,59 +825,66 @@ void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block)
if (OPENSSL_ia32cap_P[0] & (1 << 23)) { /* check MMX bit */
# endif
ctx->gmult = gcm_gmult_4bit_mmx;
CTX__GHASH(gcm_ghash_4bit_mmx);
ctx->ghash = gcm_ghash_4bit_mmx;
} else {
ctx->gmult = gcm_gmult_4bit_x86;
CTX__GHASH(gcm_ghash_4bit_x86);
ctx->ghash = gcm_ghash_4bit_x86;
}
# else
ctx->gmult = gcm_gmult_4bit;
CTX__GHASH(gcm_ghash_4bit);
ctx->ghash = gcm_ghash_4bit;
# endif
# elif defined(GHASH_ASM_ARM)
# ifdef PMULL_CAPABLE
if (PMULL_CAPABLE) {
gcm_init_v8(ctx->Htable, ctx->H.u);
ctx->gmult = gcm_gmult_v8;
CTX__GHASH(gcm_ghash_v8);
ctx->ghash = gcm_ghash_v8;
} else
# endif
# ifdef NEON_CAPABLE
if (NEON_CAPABLE) {
gcm_init_neon(ctx->Htable, ctx->H.u);
ctx->gmult = gcm_gmult_neon;
CTX__GHASH(gcm_ghash_neon);
ctx->ghash = gcm_ghash_neon;
} else
# endif
{
gcm_init_4bit(ctx->Htable, ctx->H.u);
ctx->gmult = gcm_gmult_4bit;
CTX__GHASH(gcm_ghash_4bit);
# if defined(GHASH)
ctx->ghash = gcm_ghash_4bit;
# else
ctx->ghash = NULL;
# endif
}
# elif defined(GHASH_ASM_SPARC)
if (OPENSSL_sparcv9cap_P[0] & SPARCV9_VIS3) {
gcm_init_vis3(ctx->Htable, ctx->H.u);
ctx->gmult = gcm_gmult_vis3;
CTX__GHASH(gcm_ghash_vis3);
ctx->ghash = gcm_ghash_vis3;
} else {
gcm_init_4bit(ctx->Htable, ctx->H.u);
ctx->gmult = gcm_gmult_4bit;
CTX__GHASH(gcm_ghash_4bit);
ctx->ghash = gcm_ghash_4bit;
}
# elif defined(GHASH_ASM_PPC)
if (OPENSSL_ppccap_P & PPC_CRYPTO207) {
gcm_init_p8(ctx->Htable, ctx->H.u);
ctx->gmult = gcm_gmult_p8;
CTX__GHASH(gcm_ghash_p8);
ctx->ghash = gcm_ghash_p8;
} else {
gcm_init_4bit(ctx->Htable, ctx->H.u);
ctx->gmult = gcm_gmult_4bit;
CTX__GHASH(gcm_ghash_4bit);
# if defined(GHASH)
ctx->ghash = gcm_ghash_4bit;
# else
ctx->ghash = NULL;
# endif
}
# else
gcm_init_4bit(ctx->Htable, ctx->H.u);
# endif
# undef CTX__GHASH
#endif
}
@@ -831,7 +894,9 @@ void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
const union {
long one;
char little;
} is_endian = { 1 };
} is_endian = {
1
};
unsigned int ctr;
#ifdef GCM_FUNCREF_4BIT
void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
@@ -975,7 +1040,9 @@ int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
const union {
long one;
char little;
} is_endian = { 1 };
} is_endian = {
1
};
unsigned int n, ctr;
size_t i;
u64 mlen = ctx->len.u[1];
@@ -983,12 +1050,15 @@ int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
void *key = ctx->key;
#ifdef GCM_FUNCREF_4BIT
void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
# if defined(GHASH) && !defined(OPENSSL_SMALL_FOOTPRINT)
# ifdef GHASH
void (*gcm_ghash_p) (u64 Xi[2], const u128 Htable[16],
const u8 *inp, size_t len) = ctx->ghash;
# endif
#endif
#if 0
n = (unsigned int)mlen % 16; /* alternative to ctx->mres */
#endif
mlen += len;
if (mlen > ((U64(1) << 36) - 32) || (sizeof(len) == 8 && mlen < len))
return -1;
@@ -1030,8 +1100,7 @@ int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
if (((size_t)in | (size_t)out) % sizeof(size_t) != 0)
break;
# endif
# if defined(GHASH)
# if defined(GHASH_CHUNK)
# if defined(GHASH) && defined(GHASH_CHUNK)
while (len >= GHASH_CHUNK) {
size_t j = GHASH_CHUNK;
@@ -1042,11 +1111,11 @@ int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
(*block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
if (is_endian.little)
# ifdef BSWAP4
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
# else
PUTU32(ctx->Yi.c + 12, ctr);
# endif
# endif
else
ctx->Yi.d[3] = ctr;
for (i = 0; i < 16 / sizeof(size_t); ++i)
@@ -1058,7 +1127,6 @@ int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
GHASH(ctx, out - GHASH_CHUNK, GHASH_CHUNK);
len -= GHASH_CHUNK;
}
# endif
if ((i = (len & (size_t)-16))) {
size_t j = i;
@@ -1159,7 +1227,9 @@ int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
const union {
long one;
char little;
} is_endian = { 1 };
} is_endian = {
1
};
unsigned int n, ctr;
size_t i;
u64 mlen = ctx->len.u[1];
@@ -1167,7 +1237,7 @@ int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
void *key = ctx->key;
#ifdef GCM_FUNCREF_4BIT
void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
# if defined(GHASH) && !defined(OPENSSL_SMALL_FOOTPRINT)
# ifdef GHASH
void (*gcm_ghash_p) (u64 Xi[2], const u128 Htable[16],
const u8 *inp, size_t len) = ctx->ghash;
# endif
@@ -1216,8 +1286,7 @@ int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
if (((size_t)in | (size_t)out) % sizeof(size_t) != 0)
break;
# endif
# if defined(GHASH)
# if defined(GHASH_CHUNK)
# if defined(GHASH) && defined(GHASH_CHUNK)
while (len >= GHASH_CHUNK) {
size_t j = GHASH_CHUNK;
@@ -1229,11 +1298,11 @@ int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
(*block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
if (is_endian.little)
# ifdef BSWAP4
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
# else
PUTU32(ctx->Yi.c + 12, ctr);
# endif
# endif
else
ctx->Yi.d[3] = ctr;
for (i = 0; i < 16 / sizeof(size_t); ++i)
@@ -1244,7 +1313,6 @@ int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
}
len -= GHASH_CHUNK;
}
# endif
if ((i = (len & (size_t)-16))) {
GHASH(ctx, in, i);
while (len >= 16) {
@@ -1348,24 +1416,23 @@ int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
const unsigned char *in, unsigned char *out,
size_t len, ctr128_f stream)
{
#if defined(OPENSSL_SMALL_FOOTPRINT)
return CRYPTO_gcm128_encrypt(ctx, in, out, len);
#else
const union {
long one;
char little;
} is_endian = { 1 };
} is_endian = {
1
};
unsigned int n, ctr;
size_t i;
u64 mlen = ctx->len.u[1];
void *key = ctx->key;
# ifdef GCM_FUNCREF_4BIT
#ifdef GCM_FUNCREF_4BIT
void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
# ifdef GHASH
# ifdef GHASH
void (*gcm_ghash_p) (u64 Xi[2], const u128 Htable[16],
const u8 *inp, size_t len) = ctx->ghash;
# endif
# endif
#endif
mlen += len;
if (mlen > ((U64(1) << 36) - 32) || (sizeof(len) == 8 && mlen < len))
@@ -1379,11 +1446,11 @@ int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
}
if (is_endian.little)
# ifdef BSWAP4
#ifdef BSWAP4
ctr = BSWAP4(ctx->Yi.d[3]);
# else
#else
ctr = GETU32(ctx->Yi.c + 12);
# endif
#endif
else
ctr = ctx->Yi.d[3];
@@ -1401,16 +1468,16 @@ int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
return 0;
}
}
# if defined(GHASH) && defined(GHASH_CHUNK)
#if defined(GHASH) && !defined(OPENSSL_SMALL_FOOTPRINT)
while (len >= GHASH_CHUNK) {
(*stream) (in, out, GHASH_CHUNK / 16, key, ctx->Yi.c);
ctr += GHASH_CHUNK / 16;
if (is_endian.little)
# ifdef BSWAP4
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
# else
PUTU32(ctx->Yi.c + 12, ctr);
# endif
# endif
else
ctx->Yi.d[3] = ctr;
GHASH(ctx, out, GHASH_CHUNK);
@@ -1418,43 +1485,43 @@ int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
in += GHASH_CHUNK;
len -= GHASH_CHUNK;
}
# endif
#endif
if ((i = (len & (size_t)-16))) {
size_t j = i / 16;
(*stream) (in, out, j, key, ctx->Yi.c);
ctr += (unsigned int)j;
if (is_endian.little)
# ifdef BSWAP4
#ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
#else
PUTU32(ctx->Yi.c + 12, ctr);
# endif
#endif
else
ctx->Yi.d[3] = ctr;
in += i;
len -= i;
# if defined(GHASH)
#if defined(GHASH)
GHASH(ctx, out, i);
out += i;
# else
#else
while (j--) {
for (i = 0; i < 16; ++i)
ctx->Xi.c[i] ^= out[i];
GCM_MUL(ctx, Xi);
out += 16;
}
# endif
#endif
}
if (len) {
(*ctx->block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
if (is_endian.little)
# ifdef BSWAP4
#ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
#else
PUTU32(ctx->Yi.c + 12, ctr);
# endif
#endif
else
ctx->Yi.d[3] = ctr;
while (len--) {
@@ -1465,31 +1532,29 @@ int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
ctx->mres = n;
return 0;
#endif
}
int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
const unsigned char *in, unsigned char *out,
size_t len, ctr128_f stream)
{
#if defined(OPENSSL_SMALL_FOOTPRINT)
return CRYPTO_gcm128_decrypt(ctx, in, out, len);
#else
const union {
long one;
char little;
} is_endian = { 1 };
} is_endian = {
1
};
unsigned int n, ctr;
size_t i;
u64 mlen = ctx->len.u[1];
void *key = ctx->key;
# ifdef GCM_FUNCREF_4BIT
#ifdef GCM_FUNCREF_4BIT
void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
# ifdef GHASH
# ifdef GHASH
void (*gcm_ghash_p) (u64 Xi[2], const u128 Htable[16],
const u8 *inp, size_t len) = ctx->ghash;
# endif
# endif
#endif
mlen += len;
if (mlen > ((U64(1) << 36) - 32) || (sizeof(len) == 8 && mlen < len))
@@ -1503,11 +1568,11 @@ int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
}
if (is_endian.little)
# ifdef BSWAP4
#ifdef BSWAP4
ctr = BSWAP4(ctx->Yi.d[3]);
# else
#else
ctr = GETU32(ctx->Yi.c + 12);
# endif
#endif
else
ctr = ctx->Yi.d[3];
@@ -1527,30 +1592,30 @@ int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
return 0;
}
}
# if defined(GHASH) && defined(GHASH_CHUNK)
#if defined(GHASH) && !defined(OPENSSL_SMALL_FOOTPRINT)
while (len >= GHASH_CHUNK) {
GHASH(ctx, in, GHASH_CHUNK);
(*stream) (in, out, GHASH_CHUNK / 16, key, ctx->Yi.c);
ctr += GHASH_CHUNK / 16;
if (is_endian.little)
# ifdef BSWAP4
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
# else
PUTU32(ctx->Yi.c + 12, ctr);
# endif
# endif
else
ctx->Yi.d[3] = ctr;
out += GHASH_CHUNK;
in += GHASH_CHUNK;
len -= GHASH_CHUNK;
}
# endif
#endif
if ((i = (len & (size_t)-16))) {
size_t j = i / 16;
# if defined(GHASH)
#if defined(GHASH)
GHASH(ctx, in, i);
# else
#else
while (j--) {
size_t k;
for (k = 0; k < 16; ++k)
@@ -1560,15 +1625,15 @@ int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
}
j = i / 16;
in -= i;
# endif
#endif
(*stream) (in, out, j, key, ctx->Yi.c);
ctr += (unsigned int)j;
if (is_endian.little)
# ifdef BSWAP4
#ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
#else
PUTU32(ctx->Yi.c + 12, ctr);
# endif
#endif
else
ctx->Yi.d[3] = ctr;
out += i;
@@ -1579,11 +1644,11 @@ int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
(*ctx->block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
if (is_endian.little)
# ifdef BSWAP4
#ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
#else
PUTU32(ctx->Yi.c + 12, ctr);
# endif
#endif
else
ctx->Yi.d[3] = ctr;
while (len--) {
@@ -1596,7 +1661,6 @@ int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
ctx->mres = n;
return 0;
#endif
}
int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx, const unsigned char *tag,
@@ -1605,7 +1669,9 @@ int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx, const unsigned char *tag,
const union {
long one;
char little;
} is_endian = { 1 };
} is_endian = {
1
};
u64 alen = ctx->len.u[0] << 3;
u64 clen = ctx->len.u[1] << 3;
#ifdef GCM_FUNCREF_4BIT
@@ -1654,7 +1720,7 @@ GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block)
{
GCM128_CONTEXT *ret;
if ((ret = OPENSSL_malloc(sizeof(*ret))) != NULL)
if ((ret = (GCM128_CONTEXT *)OPENSSL_malloc(sizeof(GCM128_CONTEXT))))
CRYPTO_gcm128_init(ret, key, block);
return ret;
@@ -1662,7 +1728,10 @@ GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block)
void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx)
{
OPENSSL_clear_free(ctx, sizeof(*ctx));
if (ctx) {
OPENSSL_cleanse(ctx, sizeof(*ctx));
OPENSSL_free(ctx);
}
}
#if defined(SELFTEST)