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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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283
crypto/evp/e_aes_cbc_hmac_sha256.c
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@@ -1,29 +1,82 @@
/*
* Copyright 2013-2016 The OpenSSL Project Authors. All Rights Reserved.
/* ====================================================================
* Copyright (c) 2011-2013 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
* 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/opensslconf.h>
#if defined(OPENSSL_NO_AES) || defined(OPENSSL_NO_SHA)
NON_EMPTY_TRANSLATION_UNIT
#else
#include <stdio.h>
#include <string.h>
#if !defined(OPENSSL_NO_AES) && !defined(OPENSSL_NO_SHA256)
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/aes.h>
#include <openssl/sha.h>
#include <openssl/rand.h>
#include "modes_lcl.h"
#include "internal/constant_time_locl.h"
#include "internal/evp_int.h"
# include <openssl/evp.h>
# include <openssl/objects.h>
# include <openssl/aes.h>
# include <openssl/sha.h>
# include <openssl/rand.h>
# include "modes_lcl.h"
# include "constant_time_locl.h"
# ifndef EVP_CIPH_FLAG_AEAD_CIPHER
# define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000
# define EVP_CTRL_AEAD_TLS1_AAD 0x16
# define EVP_CTRL_AEAD_SET_MAC_KEY 0x17
# endif
# if !defined(EVP_CIPH_FLAG_DEFAULT_ASN1)
# define EVP_CIPH_FLAG_DEFAULT_ASN1 0
# endif
# if !defined(EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK)
# define EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK 0
# endif
# define TLS1_1_VERSION 0x0302
typedef struct {
AES_KEY ks;
@@ -37,12 +90,13 @@ typedef struct {
# define NO_PAYLOAD_LENGTH ((size_t)-1)
#if defined(AES_ASM) && ( \
# if defined(AES_ASM) && ( \
defined(__x86_64) || defined(__x86_64__) || \
defined(_M_AMD64) || defined(_M_X64) )
defined(_M_AMD64) || defined(_M_X64) || \
defined(__INTEL__) )
extern unsigned int OPENSSL_ia32cap_P[];
# define AESNI_CAPABLE (1<<(57-32))
# define AESNI_CAPABLE (1<<(57-32))
int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
AES_KEY *key);
@@ -58,7 +112,7 @@ int aesni_cbc_sha256_enc(const void *inp, void *out, size_t blocks,
const AES_KEY *key, unsigned char iv[16],
SHA256_CTX *ctx, const void *in0);
# define data(ctx) ((EVP_AES_HMAC_SHA256 *)EVP_CIPHER_CTX_get_cipher_data(ctx))
# define data(ctx) ((EVP_AES_HMAC_SHA256 *)(ctx)->cipher_data)
static int aesni_cbc_hmac_sha256_init_key(EVP_CIPHER_CTX *ctx,
const unsigned char *inkey,
@@ -68,13 +122,10 @@ static int aesni_cbc_hmac_sha256_init_key(EVP_CIPHER_CTX *ctx,
int ret;
if (enc)
ret = aesni_set_encrypt_key(inkey,
EVP_CIPHER_CTX_key_length(ctx) * 8,
&key->ks);
memset(&key->ks, 0, sizeof(key->ks.rd_key)),
ret = aesni_set_encrypt_key(inkey, ctx->key_len * 8, &key->ks);
else
ret = aesni_set_decrypt_key(inkey,
EVP_CIPHER_CTX_key_length(ctx) * 8,
&key->ks);
ret = aesni_set_decrypt_key(inkey, ctx->key_len * 8, &key->ks);
SHA256_Init(&key->head); /* handy when benchmarking */
key->tail = key->head;
@@ -85,11 +136,11 @@ static int aesni_cbc_hmac_sha256_init_key(EVP_CIPHER_CTX *ctx,
return ret < 0 ? 0 : 1;
}
# define STITCHED_CALL
# define STITCHED_CALL
# if !defined(STITCHED_CALL)
# define aes_off 0
# endif
# if !defined(STITCHED_CALL)
# define aes_off 0
# endif
void sha256_block_data_order(void *c, const void *p, size_t len);
@@ -124,12 +175,12 @@ static void sha256_update(SHA256_CTX *c, const void *data, size_t len)
SHA256_Update(c, ptr, res);
}
# ifdef SHA256_Update
# undef SHA256_Update
# endif
# define SHA256_Update sha256_update
# ifdef SHA256_Update
# undef SHA256_Update
# endif
# define SHA256_Update sha256_update
# if !defined(OPENSSL_NO_MULTIBLOCK)
# if !defined(OPENSSL_NO_MULTIBLOCK) && EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK
typedef struct {
unsigned int A[8], B[8], C[8], D[8], E[8], F[8], G[8], H[8];
@@ -168,9 +219,9 @@ static size_t tls1_1_multi_block_encrypt(EVP_AES_HMAC_SHA256 *key,
0;
size_t ret = 0;
u8 *IVs;
# if defined(BSWAP8)
# if defined(BSWAP8)
u64 seqnum;
# endif
# endif
/* ask for IVs in bulk */
if (RAND_bytes((IVs = blocks[0].c), 16 * x4) <= 0)
@@ -205,15 +256,15 @@ static size_t tls1_1_multi_block_encrypt(EVP_AES_HMAC_SHA256 *key,
IVs += 16;
}
# if defined(BSWAP8)
# if defined(BSWAP8)
memcpy(blocks[0].c, key->md.data, 8);
seqnum = BSWAP8(blocks[0].q[0]);
# endif
# endif
for (i = 0; i < x4; i++) {
unsigned int len = (i == (x4 - 1) ? last : frag);
# if !defined(BSWAP8)
# if !defined(BSWAP8)
unsigned int carry, j;
# endif
# endif
ctx->A[i] = key->md.h[0];
ctx->B[i] = key->md.h[1];
@@ -225,14 +276,14 @@ static size_t tls1_1_multi_block_encrypt(EVP_AES_HMAC_SHA256 *key,
ctx->H[i] = key->md.h[7];
/* fix seqnum */
# if defined(BSWAP8)
# if defined(BSWAP8)
blocks[i].q[0] = BSWAP8(seqnum + i);
# else
# else
for (carry = i, j = 8; j--;) {
blocks[i].c[j] = ((u8 *)key->md.data)[j] + carry;
carry = (blocks[i].c[j] - carry) >> (sizeof(carry) * 8 - 1);
}
# endif
# endif
blocks[i].c[8] = ((u8 *)key->md.data)[8];
blocks[i].c[9] = ((u8 *)key->md.data)[9];
blocks[i].c[10] = ((u8 *)key->md.data)[10];
@@ -251,10 +302,10 @@ static size_t tls1_1_multi_block_encrypt(EVP_AES_HMAC_SHA256 *key,
/* hash 13-byte headers and first 64-13 bytes of inputs */
sha256_multi_block(ctx, edges, n4x);
/* hash bulk inputs */
# define MAXCHUNKSIZE 2048
# if MAXCHUNKSIZE%64
# error "MAXCHUNKSIZE is not divisible by 64"
# elif MAXCHUNKSIZE
# define MAXCHUNKSIZE 2048
# if MAXCHUNKSIZE%64
# error "MAXCHUNKSIZE is not divisible by 64"
# elif MAXCHUNKSIZE
/*
* goal is to minimize pressure on L1 cache by moving in shorter steps,
* so that hashed data is still in the cache by the time we encrypt it
@@ -283,8 +334,8 @@ static size_t tls1_1_multi_block_encrypt(EVP_AES_HMAC_SHA256 *key,
minblocks -= MAXCHUNKSIZE / 64;
} while (minblocks > MAXCHUNKSIZE / 64);
}
# endif
# undef MAXCHUNKSIZE
# endif
# undef MAXCHUNKSIZE
sha256_multi_block(ctx, hash_d, n4x);
memset(blocks, 0, sizeof(blocks));
@@ -299,18 +350,18 @@ static size_t tls1_1_multi_block_encrypt(EVP_AES_HMAC_SHA256 *key,
len += 64 + 13; /* 64 is HMAC header */
len *= 8; /* convert to bits */
if (off < (64 - 8)) {
# ifdef BSWAP4
# ifdef BSWAP4
blocks[i].d[15] = BSWAP4(len);
# else
# else
PUTU32(blocks[i].c + 60, len);
# endif
# endif
edges[i].blocks = 1;
} else {
# ifdef BSWAP4
# ifdef BSWAP4
blocks[i].d[31] = BSWAP4(len);
# else
# else
PUTU32(blocks[i].c + 124, len);
# endif
# endif
edges[i].blocks = 2;
}
edges[i].ptr = blocks[i].c;
@@ -321,7 +372,7 @@ static size_t tls1_1_multi_block_encrypt(EVP_AES_HMAC_SHA256 *key,
memset(blocks, 0, sizeof(blocks));
for (i = 0; i < x4; i++) {
# ifdef BSWAP4
# ifdef BSWAP4
blocks[i].d[0] = BSWAP4(ctx->A[i]);
ctx->A[i] = key->tail.h[0];
blocks[i].d[1] = BSWAP4(ctx->B[i]);
@@ -340,7 +391,7 @@ static size_t tls1_1_multi_block_encrypt(EVP_AES_HMAC_SHA256 *key,
ctx->H[i] = key->tail.h[7];
blocks[i].c[32] = 0x80;
blocks[i].d[15] = BSWAP4((64 + 32) * 8);
# else
# else
PUTU32(blocks[i].c + 0, ctx->A[i]);
ctx->A[i] = key->tail.h[0];
PUTU32(blocks[i].c + 4, ctx->B[i]);
@@ -359,7 +410,7 @@ static size_t tls1_1_multi_block_encrypt(EVP_AES_HMAC_SHA256 *key,
ctx->H[i] = key->tail.h[7];
blocks[i].c[32] = 0x80;
PUTU32(blocks[i].c + 60, (64 + 32) * 8);
# endif
# endif
edges[i].ptr = blocks[i].c;
edges[i].blocks = 1;
}
@@ -415,7 +466,7 @@ static size_t tls1_1_multi_block_encrypt(EVP_AES_HMAC_SHA256 *key,
return ret;
}
# endif
# endif
static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
unsigned char *out,
@@ -426,18 +477,18 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
size_t plen = key->payload_length, iv = 0, /* explicit IV in TLS 1.1 and
* later */
sha_off = 0;
# if defined(STITCHED_CALL)
# if defined(STITCHED_CALL)
size_t aes_off = 0, blocks;
sha_off = SHA256_CBLOCK - key->md.num;
# endif
# endif
key->payload_length = NO_PAYLOAD_LENGTH;
if (len % AES_BLOCK_SIZE)
return 0;
if (EVP_CIPHER_CTX_encrypting(ctx)) {
if (ctx->encrypt) {
if (plen == NO_PAYLOAD_LENGTH)
plen = len;
else if (len !=
@@ -447,7 +498,7 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
else if (key->aux.tls_ver >= TLS1_1_VERSION)
iv = AES_BLOCK_SIZE;
# if defined(STITCHED_CALL)
# if defined(STITCHED_CALL)
/*
* Assembly stitch handles AVX-capable processors, but its
* performance is not optimal on AMD Jaguar, ~40% worse, for
@@ -456,17 +507,18 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
* to identify it and avoid stitch invocation. So that after we
* establish that current CPU supports AVX, we even see if it's
* either even XOP-capable Bulldozer-based or GenuineIntel one.
* But SHAEXT-capable go ahead...
*/
if (OPENSSL_ia32cap_P[1] & (1 << (60 - 32)) && /* AVX? */
((OPENSSL_ia32cap_P[1] & (1 << (43 - 32))) /* XOP? */
| (OPENSSL_ia32cap_P[0] & (1<<30))) && /* "Intel CPU"? */
if (((OPENSSL_ia32cap_P[2] & (1 << 29)) || /* SHAEXT? */
((OPENSSL_ia32cap_P[1] & (1 << (60 - 32))) && /* AVX? */
((OPENSSL_ia32cap_P[1] & (1 << (43 - 32))) /* XOP? */
| (OPENSSL_ia32cap_P[0] & (1 << 30))))) && /* "Intel CPU"? */
plen > (sha_off + iv) &&
(blocks = (plen - (sha_off + iv)) / SHA256_CBLOCK)) {
SHA256_Update(&key->md, in + iv, sha_off);
(void)aesni_cbc_sha256_enc(in, out, blocks, &key->ks,
EVP_CIPHER_CTX_iv_noconst(ctx),
&key->md, in + iv + sha_off);
ctx->iv, &key->md, in + iv + sha_off);
blocks *= SHA256_CBLOCK;
aes_off += blocks;
sha_off += blocks;
@@ -477,7 +529,7 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
} else {
sha_off = 0;
}
# endif
# endif
sha_off += iv;
SHA256_Update(&key->md, in + sha_off, plen - sha_off);
@@ -497,10 +549,10 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
out[plen] = l;
/* encrypt HMAC|padding at once */
aesni_cbc_encrypt(out + aes_off, out + aes_off, len - aes_off,
&key->ks, EVP_CIPHER_CTX_iv_noconst(ctx), 1);
&key->ks, ctx->iv, 1);
} else {
aesni_cbc_encrypt(in + aes_off, out + aes_off, len - aes_off,
&key->ks, EVP_CIPHER_CTX_iv_noconst(ctx), 1);
&key->ks, ctx->iv, 1);
}
} else {
union {
@@ -512,8 +564,7 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
pmac = (void *)(((size_t)mac.c + 63) & ((size_t)0 - 64));
/* decrypt HMAC|padding at once */
aesni_cbc_encrypt(in, out, len, &key->ks,
EVP_CIPHER_CTX_iv_noconst(ctx), 0);
aesni_cbc_encrypt(in, out, len, &key->ks, ctx->iv, 0);
if (plen != NO_PAYLOAD_LENGTH) { /* "TLS" mode of operation */
size_t inp_len, mask, j, i;
@@ -541,12 +592,17 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
maxpad |= (255 - maxpad) >> (sizeof(maxpad) * 8 - 8);
maxpad &= 255;
ret &= constant_time_ge(maxpad, pad);
mask = constant_time_ge(maxpad, pad);
ret &= mask;
/*
* If pad is invalid then we will fail the above test but we must
* continue anyway because we are in constant time code. However,
* we'll use the maxpad value instead of the supplied pad to make
* sure we perform well defined pointer arithmetic.
*/
pad = constant_time_select(mask, pad, maxpad);
inp_len = len - (SHA256_DIGEST_LENGTH + pad + 1);
mask = (0 - ((inp_len - len) >> (sizeof(inp_len) * 8 - 1)));
inp_len &= mask;
ret &= (int)mask;
key->aux.tls_aad[plen - 2] = inp_len >> 8;
key->aux.tls_aad[plen - 1] = inp_len;
@@ -555,7 +611,7 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
key->md = key->head;
SHA256_Update(&key->md, key->aux.tls_aad, plen);
# if 1
# if 1
len -= SHA256_DIGEST_LENGTH; /* amend mac */
if (len >= (256 + SHA256_CBLOCK)) {
j = (len - (256 + SHA256_CBLOCK)) & (0 - SHA256_CBLOCK);
@@ -568,15 +624,15 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
/* but pretend as if we hashed padded payload */
bitlen = key->md.Nl + (inp_len << 3); /* at most 18 bits */
# ifdef BSWAP4
# ifdef BSWAP4
bitlen = BSWAP4(bitlen);
# else
# else
mac.c[0] = 0;
mac.c[1] = (unsigned char)(bitlen >> 16);
mac.c[2] = (unsigned char)(bitlen >> 8);
mac.c[3] = (unsigned char)bitlen;
bitlen = mac.u[0];
# endif
# endif
pmac->u[0] = 0;
pmac->u[1] = 0;
@@ -645,7 +701,7 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
pmac->u[6] |= key->md.h[6] & mask;
pmac->u[7] |= key->md.h[7] & mask;
# ifdef BSWAP4
# ifdef BSWAP4
pmac->u[0] = BSWAP4(pmac->u[0]);
pmac->u[1] = BSWAP4(pmac->u[1]);
pmac->u[2] = BSWAP4(pmac->u[2]);
@@ -654,7 +710,7 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
pmac->u[5] = BSWAP4(pmac->u[5]);
pmac->u[6] = BSWAP4(pmac->u[6]);
pmac->u[7] = BSWAP4(pmac->u[7]);
# else
# else
for (i = 0; i < 8; i++) {
res = pmac->u[i];
pmac->c[4 * i + 0] = (unsigned char)(res >> 24);
@@ -662,9 +718,9 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
pmac->c[4 * i + 2] = (unsigned char)(res >> 8);
pmac->c[4 * i + 3] = (unsigned char)res;
}
# endif
# endif
len += SHA256_DIGEST_LENGTH;
# else
# else
SHA256_Update(&key->md, out, inp_len);
res = key->md.num;
SHA256_Final(pmac->c, &key->md);
@@ -683,7 +739,7 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
for (; inp_blocks < pad_blocks; inp_blocks++)
sha1_block_data_order(&key->md, data, 1);
}
# endif
# endif
key->md = key->tail;
SHA256_Update(&key->md, pmac->c, SHA256_DIGEST_LENGTH);
SHA256_Final(pmac->c, &key->md);
@@ -691,7 +747,7 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
/* verify HMAC */
out += inp_len;
len -= inp_len;
# if 1
# if 1
{
unsigned char *p =
out + len - 1 - maxpad - SHA256_DIGEST_LENGTH;
@@ -714,7 +770,7 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
res = 0 - ((0 - res) >> (sizeof(res) * 8 - 1));
ret &= (int)~res;
}
# else
# else
for (res = 0, i = 0; i < SHA256_DIGEST_LENGTH; i++)
res |= out[i] ^ pmac->c[i];
res = 0 - ((0 - res) >> (sizeof(res) * 8 - 1));
@@ -728,7 +784,7 @@ static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx,
res = (0 - res) >> (sizeof(res) * 8 - 1);
ret &= (int)~res;
# endif
# endif
return ret;
} else {
SHA256_Update(&key->md, out, len);
@@ -742,7 +798,6 @@ static int aesni_cbc_hmac_sha256_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
void *ptr)
{
EVP_AES_HMAC_SHA256 *key = data(ctx);
unsigned int u_arg = (unsigned int)arg;
switch (type) {
case EVP_CTRL_AEAD_SET_MAC_KEY:
@@ -752,10 +807,7 @@ static int aesni_cbc_hmac_sha256_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
memset(hmac_key, 0, sizeof(hmac_key));
if (arg < 0)
return -1;
if (u_arg > sizeof(hmac_key)) {
if (arg > (int)sizeof(hmac_key)) {
SHA256_Init(&key->head);
SHA256_Update(&key->head, ptr, arg);
SHA256_Final(hmac_key, &key->head);
@@ -780,15 +832,19 @@ static int aesni_cbc_hmac_sha256_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
case EVP_CTRL_AEAD_TLS1_AAD:
{
unsigned char *p = ptr;
unsigned int len = p[arg - 2] << 8 | p[arg - 1];
unsigned int len;
if (arg != EVP_AEAD_TLS1_AAD_LEN)
return -1;
if (EVP_CIPHER_CTX_encrypting(ctx)) {
len = p[arg - 2] << 8 | p[arg - 1];
if (ctx->encrypt) {
key->payload_length = len;
if ((key->aux.tls_ver =
p[arg - 4] << 8 | p[arg - 3]) >= TLS1_1_VERSION) {
if (len < AES_BLOCK_SIZE)
return 0;
len -= AES_BLOCK_SIZE;
p[arg - 2] = len >> 8;
p[arg - 1] = len;
@@ -806,7 +862,7 @@ static int aesni_cbc_hmac_sha256_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
return SHA256_DIGEST_LENGTH;
}
}
# if !defined(OPENSSL_NO_MULTIBLOCK)
# if !defined(OPENSSL_NO_MULTIBLOCK) && EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK
case EVP_CTRL_TLS1_1_MULTIBLOCK_MAX_BUFSIZE:
return (int)(5 + 16 + ((arg + 32 + 16) & -16));
case EVP_CTRL_TLS1_1_MULTIBLOCK_AAD:
@@ -816,15 +872,12 @@ static int aesni_cbc_hmac_sha256_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
unsigned int n4x = 1, x4;
unsigned int frag, last, packlen, inp_len;
if (arg < 0)
return -1;
if (u_arg < sizeof(EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM))
if (arg < (int)sizeof(EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM))
return -1;
inp_len = param->inp[11] << 8 | param->inp[12];
if (EVP_CIPHER_CTX_encrypting(ctx)) {
if (ctx->encrypt) {
if ((param->inp[9] << 8 | param->inp[10]) < TLS1_1_VERSION)
return -1;
@@ -872,19 +925,19 @@ static int aesni_cbc_hmac_sha256_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
param->interleave / 4);
}
case EVP_CTRL_TLS1_1_MULTIBLOCK_DECRYPT:
# endif
# endif
default:
return -1;
}
}
static EVP_CIPHER aesni_128_cbc_hmac_sha256_cipher = {
# ifdef NID_aes_128_cbc_hmac_sha256
# ifdef NID_aes_128_cbc_hmac_sha256
NID_aes_128_cbc_hmac_sha256,
# else
# else
NID_undef,
# endif
AES_BLOCK_SIZE, 16, AES_BLOCK_SIZE,
# endif
16, 16, 16,
EVP_CIPH_CBC_MODE | EVP_CIPH_FLAG_DEFAULT_ASN1 |
EVP_CIPH_FLAG_AEAD_CIPHER | EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK,
aesni_cbc_hmac_sha256_init_key,
@@ -898,12 +951,12 @@ static EVP_CIPHER aesni_128_cbc_hmac_sha256_cipher = {
};
static EVP_CIPHER aesni_256_cbc_hmac_sha256_cipher = {
# ifdef NID_aes_256_cbc_hmac_sha256
# ifdef NID_aes_256_cbc_hmac_sha256
NID_aes_256_cbc_hmac_sha256,
# else
# else
NID_undef,
# endif
AES_BLOCK_SIZE, 32, AES_BLOCK_SIZE,
# endif
16, 32, 16,
EVP_CIPH_CBC_MODE | EVP_CIPH_FLAG_DEFAULT_ASN1 |
EVP_CIPH_FLAG_AEAD_CIPHER | EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK,
aesni_cbc_hmac_sha256_init_key,
@@ -929,7 +982,7 @@ const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha256(void)
aesni_cbc_sha256_enc(NULL, NULL, 0, NULL, NULL, NULL, NULL) ?
&aesni_256_cbc_hmac_sha256_cipher : NULL);
}
#else
# else
const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha256(void)
{
return NULL;
@@ -939,5 +992,5 @@ const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha256(void)
{
return NULL;
}
#endif
# endif
#endif