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Update pre8

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This commit is contained in:
Hakase
2018-06-04 05:47:06 +09:00
parent e3a2ed3d39
commit f03e5e0d15
18 changed files with 457 additions and 221 deletions
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crypto/evp/e_aes.c
+30 -43
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@@ -2814,8 +2814,8 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
case EVP_CTRL_INIT:
gctx->key_set = 0;
gctx->iv_set = 0;
gctx->ivlen = EVP_CIPHER_CTX_iv_length(c);
gctx->iv = EVP_CIPHER_CTX_iv_noconst(c);
gctx->ivlen = c->cipher->iv_len;
gctx->iv = c->iv;
gctx->taglen = -1;
gctx->iv_gen = 0;
gctx->tls_aad_len = -1;
@@ -2826,7 +2826,7 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
return 0;
/* Allocate memory for IV if needed */
if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen)) {
if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c))
if (gctx->iv != c->iv)
OPENSSL_free(gctx->iv);
if ((gctx->iv = OPENSSL_malloc(arg)) == NULL) {
EVPerr(EVP_F_AES_GCM_CTRL, ERR_R_MALLOC_FAILURE);
@@ -2837,17 +2837,17 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
return 1;
case EVP_CTRL_AEAD_SET_TAG:
if (arg <= 0 || arg > 16 || EVP_CIPHER_CTX_encrypting(c))
if (arg <= 0 || arg > 16 || c->encrypt)
return 0;
memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
memcpy(c->buf, ptr, arg);
gctx->taglen = arg;
return 1;
case EVP_CTRL_AEAD_GET_TAG:
if (arg <= 0 || arg > 16 || !EVP_CIPHER_CTX_encrypting(c)
if (arg <= 0 || arg > 16 || !c->encrypt
|| gctx->taglen < 0)
return 0;
memcpy(ptr, EVP_CIPHER_CTX_buf_noconst(c), arg);
memcpy(ptr, c->buf, arg);
return 1;
case EVP_CTRL_GCM_SET_IV_FIXED:
@@ -2865,8 +2865,7 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
return 0;
if (arg)
memcpy(gctx->iv, ptr, arg);
if (EVP_CIPHER_CTX_encrypting(c)
&& RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
if (c->encrypt && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
return 0;
gctx->iv_gen = 1;
return 1;
@@ -2887,8 +2886,7 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
return 1;
case EVP_CTRL_GCM_SET_IV_INV:
if (gctx->iv_gen == 0 || gctx->key_set == 0
|| EVP_CIPHER_CTX_encrypting(c))
if (gctx->iv_gen == 0 || gctx->key_set == 0 || c->encrypt)
return 0;
memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
@@ -2899,24 +2897,22 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
/* Save the AAD for later use */
if (arg != EVP_AEAD_TLS1_AAD_LEN)
return 0;
memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
memcpy(c->buf, ptr, arg);
gctx->tls_aad_len = arg;
{
unsigned int len =
EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
| EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
unsigned int len = c->buf[arg - 2] << 8 | c->buf[arg - 1];
/* Correct length for explicit IV */
if (len < EVP_GCM_TLS_EXPLICIT_IV_LEN)
return 0;
len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
/* If decrypting correct for tag too */
if (!EVP_CIPHER_CTX_encrypting(c)) {
if (!c->encrypt) {
if (len < EVP_GCM_TLS_TAG_LEN)
return 0;
len -= EVP_GCM_TLS_TAG_LEN;
}
EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
c->buf[arg - 2] = len >> 8;
c->buf[arg - 1] = len & 0xff;
}
/* Extra padding: tag appended to record */
return EVP_GCM_TLS_TAG_LEN;
@@ -2930,8 +2926,8 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
return 0;
gctx_out->gcm.key = &gctx_out->ks;
}
if (gctx->iv == EVP_CIPHER_CTX_iv_noconst(c))
gctx_out->iv = EVP_CIPHER_CTX_iv_noconst(out);
if (gctx->iv == c->iv)
gctx_out->iv = out->iv;
else {
if ((gctx_out->iv = OPENSSL_malloc(gctx->ivlen)) == NULL) {
EVPerr(EVP_F_AES_GCM_CTRL, ERR_R_MALLOC_FAILURE);
@@ -2958,8 +2954,7 @@ static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
do {
#ifdef HWAES_CAPABLE
if (HWAES_CAPABLE) {
HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
&gctx->ks.ks);
HWAES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
(block128_f) HWAES_encrypt);
# ifdef HWAES_ctr32_encrypt_blocks
@@ -2972,8 +2967,7 @@ static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
#endif
#ifdef BSAES_CAPABLE
if (BSAES_CAPABLE) {
AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
&gctx->ks.ks);
AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
(block128_f) AES_encrypt);
gctx->ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
@@ -2982,8 +2976,7 @@ static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
#endif
#ifdef VPAES_CAPABLE
if (VPAES_CAPABLE) {
vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
&gctx->ks.ks);
vpaes_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
(block128_f) vpaes_encrypt);
gctx->ctr = NULL;
@@ -2992,8 +2985,7 @@ static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
#endif
(void)0; /* terminate potentially open 'else' */
AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
&gctx->ks.ks);
AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
(block128_f) AES_encrypt);
#ifdef AES_CTR_ASM
@@ -3045,19 +3037,18 @@ static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
* Set IV from start of buffer or generate IV and write to start of
* buffer.
*/
if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CIPHER_CTX_encrypting(ctx) ?
EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
if (EVP_CIPHER_CTX_ctrl(ctx, ctx->encrypt ? EVP_CTRL_GCM_IV_GEN
: EVP_CTRL_GCM_SET_IV_INV,
EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
goto err;
/* Use saved AAD */
if (CRYPTO_gcm128_aad(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
gctx->tls_aad_len))
if (CRYPTO_gcm128_aad(&gctx->gcm, ctx->buf, gctx->tls_aad_len))
goto err;
/* Fix buffer and length to point to payload */
in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
if (EVP_CIPHER_CTX_encrypting(ctx)) {
if (ctx->encrypt) {
/* Encrypt payload */
if (gctx->ctr) {
size_t bulk = 0;
@@ -3136,11 +3127,9 @@ static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
goto err;
}
/* Retrieve tag */
CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
EVP_GCM_TLS_TAG_LEN);
CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, EVP_GCM_TLS_TAG_LEN);
/* If tag mismatch wipe buffer */
if (CRYPTO_memcmp(EVP_CIPHER_CTX_buf_noconst(ctx), in + len,
EVP_GCM_TLS_TAG_LEN)) {
if (CRYPTO_memcmp(ctx->buf, in + len, EVP_GCM_TLS_TAG_LEN)) {
OPENSSL_cleanse(out, len);
goto err;
}
@@ -3170,7 +3159,7 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
if (out == NULL) {
if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
return -1;
} else if (EVP_CIPHER_CTX_encrypting(ctx)) {
} else if (ctx->encrypt) {
if (gctx->ctr) {
size_t bulk = 0;
#if defined(AES_GCM_ASM)
@@ -3261,17 +3250,15 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
}
return len;
} else {
if (!EVP_CIPHER_CTX_encrypting(ctx)) {
if (!ctx->encrypt) {
if (gctx->taglen < 0)
return -1;
if (CRYPTO_gcm128_finish(&gctx->gcm,
EVP_CIPHER_CTX_buf_noconst(ctx),
gctx->taglen) != 0)
if (CRYPTO_gcm128_finish(&gctx->gcm, ctx->buf, gctx->taglen) != 0)
return -1;
gctx->iv_set = 0;
return 0;
}
CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx), 16);
CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 16);
gctx->taglen = 16;
/* Don't reuse the IV */
gctx->iv_set = 0;