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TLS: Add support for SHA256-based cipher suites from RFC 5246 

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2011-11-27 22:33:54 +02:00
parent 48f24f93a5
commit cdc6e5d084
4 changed files with 41 additions and 2 deletions
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13
src/tls/tlsv1_client.c
View File

@ -466,8 +466,10 @@ struct tlsv1_client * tlsv1_client_init(void)
count = 0;
suites = conn->cipher_suites;
#ifndef CONFIG_CRYPTO_INTERNAL
suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA256;
suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA;
#endif /* CONFIG_CRYPTO_INTERNAL */
suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA256;
suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA;
suites[count++] = TLS_RSA_WITH_3DES_EDE_CBC_SHA;
suites[count++] = TLS_RSA_WITH_RC4_128_SHA;
@ -571,15 +573,24 @@ int tlsv1_client_get_cipher(struct tlsv1_client *conn, char *buf,
case TLS_RSA_WITH_3DES_EDE_CBC_SHA:
cipher = "DES-CBC3-SHA";
break;
case TLS_DH_anon_WITH_AES_128_CBC_SHA256:
cipher = "ADH-AES-128-SHA256";
break;
case TLS_DH_anon_WITH_AES_128_CBC_SHA:
cipher = "ADH-AES-128-SHA";
break;
case TLS_RSA_WITH_AES_256_CBC_SHA:
cipher = "AES-256-SHA";
break;
case TLS_RSA_WITH_AES_256_CBC_SHA256:
cipher = "AES-256-SHA256";
break;
case TLS_RSA_WITH_AES_128_CBC_SHA:
cipher = "AES-128-SHA";
break;
case TLS_RSA_WITH_AES_128_CBC_SHA256:
cipher = "AES-128-SHA256";
break;
default:
return -1;
}
@ -731,8 +742,10 @@ int tlsv1_client_set_cipher_list(struct tlsv1_client *conn, u8 *ciphers)
count = 0;
suites = conn->cipher_suites;
#ifndef CONFIG_CRYPTO_INTERNAL
suites[count++] = TLS_DH_anon_WITH_AES_256_CBC_SHA256;
suites[count++] = TLS_DH_anon_WITH_AES_256_CBC_SHA;
#endif /* CONFIG_CRYPTO_INTERNAL */
suites[count++] = TLS_DH_anon_WITH_AES_128_CBC_SHA256;
suites[count++] = TLS_DH_anon_WITH_AES_128_CBC_SHA;
suites[count++] = TLS_DH_anon_WITH_3DES_EDE_CBC_SHA;
suites[count++] = TLS_DH_anon_WITH_RC4_128_MD5;

10
src/tls/tlsv1_common.c
View File

@ -52,7 +52,15 @@ static const struct tls_cipher_suite tls_cipher_suites[] = {
{ TLS_RSA_WITH_AES_256_CBC_SHA, TLS_KEY_X_RSA, TLS_CIPHER_AES_256_CBC,
TLS_HASH_SHA },
{ TLS_DH_anon_WITH_AES_256_CBC_SHA, TLS_KEY_X_DH_anon,
TLS_CIPHER_AES_256_CBC, TLS_HASH_SHA }
TLS_CIPHER_AES_256_CBC, TLS_HASH_SHA },
{ TLS_RSA_WITH_AES_128_CBC_SHA256, TLS_KEY_X_RSA,
TLS_CIPHER_AES_128_CBC, TLS_HASH_SHA256 },
{ TLS_RSA_WITH_AES_256_CBC_SHA256, TLS_KEY_X_RSA,
TLS_CIPHER_AES_256_CBC, TLS_HASH_SHA256 },
{ TLS_DH_anon_WITH_AES_128_CBC_SHA256, TLS_KEY_X_DH_anon,
TLS_CIPHER_AES_128_CBC, TLS_HASH_SHA256 },
{ TLS_DH_anon_WITH_AES_256_CBC_SHA256, TLS_KEY_X_DH_anon,
TLS_CIPHER_AES_256_CBC, TLS_HASH_SHA256 }
};
#define NUM_ELEMS(a) (sizeof(a) / sizeof((a)[0]))

16
src/tls/tlsv1_common.h
View File

@ -93,6 +93,19 @@ enum {
#define TLS_DHE_DSS_WITH_AES_256_CBC_SHA 0x0038 /* RFC 3268 */
#define TLS_DHE_RSA_WITH_AES_256_CBC_SHA 0x0039 /* RFC 3268 */
#define TLS_DH_anon_WITH_AES_256_CBC_SHA 0x003A /* RFC 3268 */
#define TLS_RSA_WITH_NULL_SHA256 0x003B /* RFC 5246 */
#define TLS_RSA_WITH_AES_128_CBC_SHA256 0x003C /* RFC 5246 */
#define TLS_RSA_WITH_AES_256_CBC_SHA256 0x003D /* RFC 5246 */
#define TLS_DH_DSS_WITH_AES_128_CBC_SHA256 0x003E /* RFC 5246 */
#define TLS_DH_RSA_WITH_AES_128_CBC_SHA256 0x003F /* RFC 5246 */
#define TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 0x0040 /* RFC 5246 */
#define TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 0x0067 /* RFC 5246 */
#define TLS_DH_DSS_WITH_AES_256_CBC_SHA256 0x0068 /* RFC 5246 */
#define TLS_DH_RSA_WITH_AES_256_CBC_SHA256 0x0069 /* RFC 5246 */
#define TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 0x006A /* RFC 5246 */
#define TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 0x006B /* RFC 5246 */
#define TLS_DH_anon_WITH_AES_128_CBC_SHA256 0x006C /* RFC 5246 */
#define TLS_DH_anon_WITH_AES_256_CBC_SHA256 0x006D /* RFC 5246 */
/* CompressionMethod */
#define TLS_COMPRESSION_NULL 0
@ -199,7 +212,8 @@ typedef enum {
typedef enum {
TLS_HASH_NULL,
TLS_HASH_MD5,
TLS_HASH_SHA
TLS_HASH_SHA,
TLS_HASH_SHA256
} tls_hash;
struct tls_cipher_suite {

4
src/tls/tlsv1_record.c
View File

@ -17,6 +17,7 @@
#include "common.h"
#include "crypto/md5.h"
#include "crypto/sha1.h"
#include "crypto/sha256.h"
#include "tlsv1_common.h"
#include "tlsv1_record.h"
@ -52,6 +53,9 @@ int tlsv1_record_set_cipher_suite(struct tlsv1_record_layer *rl,
} else if (suite->hash == TLS_HASH_SHA) {
rl->hash_alg = CRYPTO_HASH_ALG_HMAC_SHA1;
rl->hash_size = SHA1_MAC_LEN;
} else if (suite->hash == TLS_HASH_SHA256) {
rl->hash_alg = CRYPTO_HASH_ALG_HMAC_SHA256;
rl->hash_size = SHA256_MAC_LEN;
}
data = tls_get_cipher_data(suite->cipher);