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authorMatt Caswell <matt@openssl.org>2016-04-13 11:28:45 +0100
committerMatt Caswell <matt@openssl.org>2016-04-13 21:25:24 +0100
commit5158c763f5af973b26dd1927956ac27b6171de5c (patch)
tree4ca9540aa6a821c4d367a76341ac6a551aeeeaa8 /crypto/evp/e_aes_cbc_hmac_sha256.c
parent7ec8de16fe23e207d3e1bbb95d53843dbc9c06c8 (diff)
Remove OPENSSL_NO_AES guards
no-aes is no longer a Configure option and therefore the OPENSSL_NO_AES guards can be removed. Reviewed-by: Richard Levitte <levitte@openssl.org>
Diffstat (limited to 'crypto/evp/e_aes_cbc_hmac_sha256.c')
-rw-r--r--crypto/evp/e_aes_cbc_hmac_sha256.c168
1 files changed, 83 insertions, 85 deletions
diff --git a/crypto/evp/e_aes_cbc_hmac_sha256.c b/crypto/evp/e_aes_cbc_hmac_sha256.c
index 66f536cacf..075a8e8cf7 100644
--- a/crypto/evp/e_aes_cbc_hmac_sha256.c
+++ b/crypto/evp/e_aes_cbc_hmac_sha256.c
@@ -52,31 +52,30 @@
#include <stdio.h>
#include <string.h>
-#if !defined(OPENSSL_NO_AES)
-
-# 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/evp_int.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
+#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/evp_int.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_TLS1_1_MULTIBLOCK)
-# define EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK 0
-# 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
+#define TLS1_1_VERSION 0x0302
typedef struct {
AES_KEY ks;
@@ -90,13 +89,13 @@ 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(__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);
@@ -112,7 +111,7 @@ 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 *)EVP_CIPHER_CTX_get_cipher_data(ctx))
static int aesni_cbc_hmac_sha256_init_key(EVP_CIPHER_CTX *ctx,
const unsigned char *inkey,
@@ -140,11 +139,11 @@ 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);
@@ -179,12 +178,12 @@ 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) && EVP_CIPH_FLAG_TLS1_1_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];
@@ -223,9 +222,9 @@ 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)
@@ -260,15 +259,15 @@ 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];
@@ -280,14 +279,14 @@ 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];
@@ -306,10 +305,10 @@ 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
@@ -338,8 +337,8 @@ 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));
@@ -354,18 +353,18 @@ 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;
@@ -376,7 +375,7 @@ 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]);
@@ -395,7 +394,7 @@ 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]);
@@ -414,7 +413,7 @@ 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;
}
@@ -470,7 +469,7 @@ 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,
@@ -481,11 +480,11 @@ 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;
@@ -502,7 +501,7 @@ 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
@@ -532,7 +531,7 @@ 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);
@@ -608,7 +607,7 @@ 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);
@@ -621,15 +620,15 @@ 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;
@@ -698,7 +697,7 @@ 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]);
@@ -707,7 +706,7 @@ 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);
@@ -715,9 +714,9 @@ 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);
@@ -736,7 +735,7 @@ 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);
@@ -744,7 +743,7 @@ 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;
@@ -767,7 +766,7 @@ 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));
@@ -781,7 +780,7 @@ 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);
@@ -859,7 +858,7 @@ static int aesni_cbc_hmac_sha256_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
return SHA256_DIGEST_LENGTH;
}
}
-# if !defined(OPENSSL_NO_MULTIBLOCK) && EVP_CIPH_FLAG_TLS1_1_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:
@@ -925,18 +924,18 @@ 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
+# endif
AES_BLOCK_SIZE, 16, AES_BLOCK_SIZE,
EVP_CIPH_CBC_MODE | EVP_CIPH_FLAG_DEFAULT_ASN1 |
EVP_CIPH_FLAG_AEAD_CIPHER | EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK,
@@ -951,11 +950,11 @@ 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
+# endif
AES_BLOCK_SIZE, 32, AES_BLOCK_SIZE,
EVP_CIPH_CBC_MODE | EVP_CIPH_FLAG_DEFAULT_ASN1 |
EVP_CIPH_FLAG_AEAD_CIPHER | EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK,
@@ -982,7 +981,7 @@ 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;
@@ -992,5 +991,4 @@ const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha256(void)
{
return NULL;
}
-# endif
#endif