{
int chunk;
size_t j;
- EVP_MD_CTX ctx, ctx_tmp;
+ EVP_MD_CTX ctx, ctx_tmp, ctx_init;
EVP_PKEY *mac_key;
unsigned char A1[EVP_MAX_MD_SIZE];
size_t A1_len;
EVP_MD_CTX_init(&ctx);
EVP_MD_CTX_init(&ctx_tmp);
- EVP_MD_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
- EVP_MD_CTX_set_flags(&ctx_tmp, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
+ EVP_MD_CTX_init(&ctx_init);
+ EVP_MD_CTX_set_flags(&ctx_init, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
mac_key = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL, sec, sec_len);
if (!mac_key)
goto err;
- if (!EVP_DigestSignInit(&ctx,NULL,md, NULL, mac_key))
+ if (!EVP_DigestSignInit(&ctx_init,NULL,md, NULL, mac_key))
goto err;
- if (!EVP_DigestSignInit(&ctx_tmp,NULL,md, NULL, mac_key))
+ if (!EVP_MD_CTX_copy_ex(&ctx,&ctx_init))
goto err;
if (seed1 && !EVP_DigestSignUpdate(&ctx,seed1,seed1_len))
goto err;
for (;;)
{
/* Reinit mac contexts */
- if (!EVP_DigestSignInit(&ctx,NULL,md, NULL, mac_key))
- goto err;
- if (!EVP_DigestSignInit(&ctx_tmp,NULL,md, NULL, mac_key))
+ if (!EVP_MD_CTX_copy_ex(&ctx,&ctx_init))
goto err;
if (!EVP_DigestSignUpdate(&ctx,A1,A1_len))
goto err;
- if (!EVP_DigestSignUpdate(&ctx_tmp,A1,A1_len))
+ if (olen>chunk && !EVP_MD_CTX_copy_ex(&ctx_tmp,&ctx))
goto err;
if (seed1 && !EVP_DigestSignUpdate(&ctx,seed1,seed1_len))
goto err;
EVP_PKEY_free(mac_key);
EVP_MD_CTX_cleanup(&ctx);
EVP_MD_CTX_cleanup(&ctx_tmp);
+ EVP_MD_CTX_cleanup(&ctx_init);
OPENSSL_cleanse(A1,sizeof(A1));
return ret;
}
s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM;
else
s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM;
- if (s->enc_write_ctx != NULL)
+ if (s->enc_write_ctx != NULL && !SSL_IS_DTLS(s))
reuse_dd = 1;
- else if ((s->enc_write_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL)
+ else if ((s->enc_write_ctx=EVP_CIPHER_CTX_new()) == NULL)
goto err;
- else
- /* make sure it's intialized in case we exit later with an error */
- EVP_CIPHER_CTX_init(s->enc_write_ctx);
dd= s->enc_write_ctx;
- mac_ctx = ssl_replace_hash(&s->write_hash,NULL);
+ if (SSL_IS_DTLS(s))
+ {
+ mac_ctx = EVP_MD_CTX_create();
+ if (!mac_ctx)
+ goto err;
+ s->write_hash = mac_ctx;
+ }
+ else
+ mac_ctx = ssl_replace_hash(&s->write_hash,NULL);
#ifndef OPENSSL_NO_COMP
if (s->compress != NULL)
{
if (s->s3->tmp.key_block_length != 0)
return(1);
- if (!ssl_cipher_get_evp(s->session,&c,&hash,&mac_type,&mac_secret_size,&comp))
+ if (!ssl_cipher_get_evp(s->session,&c,&hash,&mac_type,&mac_secret_size,&comp, SSL_USE_ETM(s)))
{
SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
return(0);
* short etc).
* 1: if the record's padding is valid / the encryption was successful.
* -1: if the record's padding/AEAD-authenticator is invalid or, if sending,
- * an internal error occured.
+ * an internal error occurred.
*/
int tls1_enc(SSL *s, int send)
{
int ivlen;
enc=EVP_CIPHER_CTX_cipher(s->enc_write_ctx);
/* For TLSv1.1 and later explicit IV */
- if (s->version >= TLS1_1_VERSION
+ if (SSL_USE_EXPLICIT_IV(s)
&& EVP_CIPHER_mode(enc) == EVP_CIPH_CBC_MODE)
ivlen = EVP_CIPHER_iv_length(enc);
else
seq = send?s->s3->write_sequence:s->s3->read_sequence;
- if (s->version == DTLS1_VERSION || s->version == DTLS1_BAD_VER)
+ if (SSL_IS_DTLS(s))
{
unsigned char dtlsseq[9],*p=dtlsseq;
#endif /* KSSL_DEBUG */
ret = 1;
- if (EVP_MD_CTX_md(s->read_hash) != NULL)
+ if (!SSL_USE_ETM(s) && EVP_MD_CTX_md(s->read_hash) != NULL)
mac_size = EVP_MD_CTX_size(s->read_hash);
if ((bs != 1) && !send)
ret = tls1_cbc_remove_padding(s, rec, bs, mac_size);
if (mask & ssl_get_algorithm2(s))
{
int hashsize = EVP_MD_size(md);
- if (hashsize < 0 || hashsize > (int)(sizeof buf - (size_t)(q-buf)))
+ EVP_MD_CTX *hdgst = s->s3->handshake_dgst[idx];
+ if (!hdgst || hashsize < 0 || hashsize > (int)(sizeof buf - (size_t)(q-buf)))
{
/* internal error: 'buf' is too small for this cipersuite! */
err = 1;
}
else
{
- EVP_MD_CTX_copy_ex(&ctx,s->s3->handshake_dgst[idx]);
- EVP_DigestFinal_ex(&ctx,q,&i);
- if (i != (unsigned int)hashsize) /* can't really happen */
+ if (!EVP_MD_CTX_copy_ex(&ctx, hdgst) ||
+ !EVP_DigestFinal_ex(&ctx,q,&i) ||
+ (i != (unsigned int)hashsize))
err = 1;
- q+=i;
+ q+=hashsize;
}
}
}
SSL3_RECORD *rec;
unsigned char *seq;
EVP_MD_CTX *hash;
- size_t md_size, orig_len;
+ size_t md_size;
int i;
EVP_MD_CTX hmac, *mac_ctx;
unsigned char header[13];
}
else
{
- EVP_MD_CTX_copy(&hmac,hash);
+ if (!EVP_MD_CTX_copy(&hmac,hash))
+ return -1;
mac_ctx = &hmac;
}
- if (ssl->version == DTLS1_VERSION || ssl->version == DTLS1_BAD_VER)
+ if (SSL_IS_DTLS(ssl))
{
unsigned char dtlsseq[8],*p=dtlsseq;
else
memcpy(header, seq, 8);
- /* kludge: tls1_cbc_remove_padding passes padding length in rec->type */
- orig_len = rec->length+md_size+((unsigned int)rec->type>>8);
- rec->type &= 0xff;
-
header[8]=rec->type;
header[9]=(unsigned char)(ssl->version>>8);
header[10]=(unsigned char)(ssl->version);
header[11]=(rec->length)>>8;
header[12]=(rec->length)&0xff;
- if (!send &&
+ if (!send && !SSL_USE_ETM(ssl) &&
EVP_CIPHER_CTX_mode(ssl->enc_read_ctx) == EVP_CIPH_CBC_MODE &&
ssl3_cbc_record_digest_supported(mac_ctx))
{
mac_ctx,
md, &md_size,
header, rec->input,
- rec->length + md_size, orig_len,
+ rec->length + md_size, rec->orig_len,
ssl->s3->read_mac_secret,
ssl->s3->read_mac_secret_size,
0 /* not SSLv3 */);
t=EVP_DigestSignFinal(mac_ctx,md,&md_size);
OPENSSL_assert(t > 0);
#ifdef OPENSSL_FIPS
- if (!send && FIPS_mode())
+ if (!send && !SSL_USE_ETM(ssl) && FIPS_mode())
tls_fips_digest_extra(
ssl->enc_read_ctx,
mac_ctx, rec->input,
- rec->length, orig_len);
+ rec->length, rec->orig_len);
#endif
}
{unsigned int z; for (z=0; z<rec->length; z++) printf("%02X ",buf[z]); printf("\n"); }
#endif
- if (ssl->version != DTLS1_VERSION && ssl->version != DTLS1_BAD_VER)
+ if (!SSL_IS_DTLS(ssl))
{
for (i=7; i>=0; i--)
{
projects / openssl.git / blobdiff