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-rw-r--r--src/ssl/ssl_cipher.c239
1 files changed, 139 insertions, 100 deletions
diff --git a/src/ssl/ssl_cipher.c b/src/ssl/ssl_cipher.c
index 8d03c9e..b23d775 100644
--- a/src/ssl/ssl_cipher.c
+++ b/src/ssl/ssl_cipher.c
@@ -138,6 +138,8 @@
* OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
* OTHERWISE. */
+#include <openssl/ssl.h>
+
#include <assert.h>
#include <stdio.h>
#include <string.h>
@@ -155,6 +157,12 @@
/* kCiphers is an array of all supported ciphers, sorted by id. */
const SSL_CIPHER kCiphers[] = {
/* The RSA ciphers */
+ /* Cipher 02 */
+ {
+ SSL3_TXT_RSA_NULL_SHA, SSL3_CK_RSA_NULL_SHA, SSL_kRSA, SSL_aRSA,
+ SSL_eNULL, SSL_SHA1, SSL_SSLV3, SSL_FIPS, SSL_HANDSHAKE_MAC_DEFAULT, 0, 0,
+ },
+
/* Cipher 04 */
{
SSL3_TXT_RSA_RC4_128_MD5, SSL3_CK_RSA_RC4_128_MD5, SSL_kRSA, SSL_aRSA,
@@ -270,8 +278,7 @@ const SSL_CIPHER kCiphers[] = {
TLS1_TXT_RSA_WITH_AES_128_GCM_SHA256,
TLS1_CK_RSA_WITH_AES_128_GCM_SHA256, SSL_kRSA, SSL_aRSA, SSL_AES128GCM,
SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
- SSL_HANDSHAKE_MAC_SHA256 |
- SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
+ SSL_HANDSHAKE_MAC_SHA256,
128, 128,
},
@@ -280,8 +287,7 @@ const SSL_CIPHER kCiphers[] = {
TLS1_TXT_RSA_WITH_AES_256_GCM_SHA384,
TLS1_CK_RSA_WITH_AES_256_GCM_SHA384, SSL_kRSA, SSL_aRSA, SSL_AES256GCM,
SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
- SSL_HANDSHAKE_MAC_SHA384 |
- SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
+ SSL_HANDSHAKE_MAC_SHA384,
256, 256,
},
@@ -290,8 +296,7 @@ const SSL_CIPHER kCiphers[] = {
TLS1_TXT_DHE_RSA_WITH_AES_128_GCM_SHA256,
TLS1_CK_DHE_RSA_WITH_AES_128_GCM_SHA256, SSL_kDHE, SSL_aRSA, SSL_AES128GCM,
SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
- SSL_HANDSHAKE_MAC_SHA256 |
- SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
+ SSL_HANDSHAKE_MAC_SHA256,
128, 128,
},
@@ -300,8 +305,7 @@ const SSL_CIPHER kCiphers[] = {
TLS1_TXT_DHE_RSA_WITH_AES_256_GCM_SHA384,
TLS1_CK_DHE_RSA_WITH_AES_256_GCM_SHA384, SSL_kDHE, SSL_aRSA, SSL_AES256GCM,
SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
- SSL_HANDSHAKE_MAC_SHA384 |
- SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
+ SSL_HANDSHAKE_MAC_SHA384,
256, 256,
},
@@ -395,8 +399,7 @@ const SSL_CIPHER kCiphers[] = {
TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, SSL_kECDHE, SSL_aECDSA,
SSL_AES128GCM, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
- SSL_HANDSHAKE_MAC_SHA256 |
- SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
+ SSL_HANDSHAKE_MAC_SHA256,
128, 128,
},
@@ -405,8 +408,7 @@ const SSL_CIPHER kCiphers[] = {
TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, SSL_kECDHE, SSL_aECDSA,
SSL_AES256GCM, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
- SSL_HANDSHAKE_MAC_SHA384 |
- SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
+ SSL_HANDSHAKE_MAC_SHA384,
256, 256,
},
@@ -415,8 +417,7 @@ const SSL_CIPHER kCiphers[] = {
TLS1_TXT_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, SSL_kECDHE, SSL_aRSA,
SSL_AES128GCM, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
- SSL_HANDSHAKE_MAC_SHA256 |
- SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
+ SSL_HANDSHAKE_MAC_SHA256,
128, 128,
},
@@ -425,8 +426,7 @@ const SSL_CIPHER kCiphers[] = {
TLS1_TXT_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
TLS1_CK_ECDHE_RSA_WITH_AES_256_GCM_SHA384, SSL_kECDHE, SSL_aRSA,
SSL_AES256GCM, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
- SSL_HANDSHAKE_MAC_SHA384 |
- SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
+ SSL_HANDSHAKE_MAC_SHA384,
256, 256,
},
@@ -448,15 +448,15 @@ const SSL_CIPHER kCiphers[] = {
SSL_HANDSHAKE_MAC_DEFAULT, 256, 256,
},
+#if !defined(BORINGSSL_ANDROID_SYSTEM)
/* ChaCha20-Poly1305 cipher suites. */
-#if !defined(ANDROID)
{
TLS1_TXT_ECDHE_RSA_WITH_CHACHA20_POLY1305,
TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, SSL_kECDHE, SSL_aRSA,
SSL_CHACHA20POLY1305, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256,
- 256, 0,
+ 256, 256,
},
{
@@ -464,33 +464,13 @@ const SSL_CIPHER kCiphers[] = {
TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305, SSL_kECDHE, SSL_aECDSA,
SSL_CHACHA20POLY1305, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256,
- 256, 0,
- },
-
- {
- TLS1_TXT_DHE_RSA_WITH_CHACHA20_POLY1305,
- TLS1_CK_DHE_RSA_CHACHA20_POLY1305, SSL_kDHE, SSL_aRSA,
- SSL_CHACHA20POLY1305, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH,
- SSL_HANDSHAKE_MAC_SHA256,
- 256, 0,
+ 256, 256,
},
#endif
};
static const size_t kCiphersLen = sizeof(kCiphers) / sizeof(kCiphers[0]);
-struct handshake_digest {
- uint32_t mask;
- const EVP_MD *(*md_func)(void);
-};
-
-static const struct handshake_digest ssl_handshake_digests[SSL_MAX_DIGEST] = {
- {SSL_HANDSHAKE_MAC_MD5, EVP_md5},
- {SSL_HANDSHAKE_MAC_SHA, EVP_sha1},
- {SSL_HANDSHAKE_MAC_SHA256, EVP_sha256},
- {SSL_HANDSHAKE_MAC_SHA384, EVP_sha384},
-};
-
#define CIPHER_ADD 1
#define CIPHER_KILL 2
#define CIPHER_DEL 3
@@ -521,7 +501,8 @@ typedef struct cipher_alias_st {
} CIPHER_ALIAS;
static const CIPHER_ALIAS kCipherAliases[] = {
- {SSL_TXT_ALL, ~0u, ~0u, ~0u, ~0u, ~0u, ~0u},
+ /* "ALL" doesn't include eNULL (must be specifically enabled) */
+ {SSL_TXT_ALL, ~0u, ~0u, ~SSL_eNULL, ~0u, ~0u, ~0u},
/* The "COMPLEMENTOFDEFAULT" rule is omitted. It matches nothing. */
@@ -542,7 +523,7 @@ static const CIPHER_ALIAS kCipherAliases[] = {
{SSL_TXT_kPSK, SSL_kPSK, ~0u, ~0u, ~0u, ~0u, ~0u},
/* server authentication aliases */
- {SSL_TXT_aRSA, ~0u, SSL_aRSA, ~0u, ~0u, ~0u, ~0u},
+ {SSL_TXT_aRSA, ~0u, SSL_aRSA, ~SSL_eNULL, ~0u, ~0u, ~0u},
{SSL_TXT_aECDSA, ~0u, SSL_aECDSA, ~0u, ~0u, ~0u, ~0u},
{SSL_TXT_ECDSA, ~0u, SSL_aECDSA, ~0u, ~0u, ~0u, ~0u},
{SSL_TXT_aPSK, ~0u, SSL_aPSK, ~0u, ~0u, ~0u, ~0u},
@@ -552,7 +533,7 @@ static const CIPHER_ALIAS kCipherAliases[] = {
{SSL_TXT_EDH, SSL_kDHE, ~0u, ~0u, ~0u, ~0u, ~0u},
{SSL_TXT_ECDHE, SSL_kECDHE, ~0u, ~0u, ~0u, ~0u, ~0u},
{SSL_TXT_EECDH, SSL_kECDHE, ~0u, ~0u, ~0u, ~0u, ~0u},
- {SSL_TXT_RSA, SSL_kRSA, SSL_aRSA, ~0u, ~0u, ~0u, ~0u},
+ {SSL_TXT_RSA, SSL_kRSA, SSL_aRSA, ~SSL_eNULL, ~0u, ~0u, ~0u},
{SSL_TXT_PSK, SSL_kPSK, SSL_aPSK, ~0u, ~0u, ~0u, ~0u},
/* symmetric encryption aliases */
@@ -566,21 +547,21 @@ static const CIPHER_ALIAS kCipherAliases[] = {
/* MAC aliases */
{SSL_TXT_MD5, ~0u, ~0u, ~0u, SSL_MD5, ~0u, ~0u},
- {SSL_TXT_SHA1, ~0u, ~0u, ~0u, SSL_SHA1, ~0u, ~0u},
- {SSL_TXT_SHA, ~0u, ~0u, ~0u, SSL_SHA1, ~0u, ~0u},
+ {SSL_TXT_SHA1, ~0u, ~0u, ~SSL_eNULL, SSL_SHA1, ~0u, ~0u},
+ {SSL_TXT_SHA, ~0u, ~0u, ~SSL_eNULL, SSL_SHA1, ~0u, ~0u},
{SSL_TXT_SHA256, ~0u, ~0u, ~0u, SSL_SHA256, ~0u, ~0u},
{SSL_TXT_SHA384, ~0u, ~0u, ~0u, SSL_SHA384, ~0u, ~0u},
/* protocol version aliases */
- {SSL_TXT_SSLV3, ~0u, ~0u, ~0u, ~0u, SSL_SSLV3, ~0u},
- {SSL_TXT_TLSV1, ~0u, ~0u, ~0u, ~0u, SSL_TLSV1, ~0u},
- {SSL_TXT_TLSV1_2, ~0u, ~0u, ~0u, ~0u, SSL_TLSV1_2, ~0u},
+ {SSL_TXT_SSLV3, ~0u, ~0u, ~SSL_eNULL, ~0u, SSL_SSLV3, ~0u},
+ {SSL_TXT_TLSV1, ~0u, ~0u, ~SSL_eNULL, ~0u, SSL_TLSV1, ~0u},
+ {SSL_TXT_TLSV1_2, ~0u, ~0u, ~SSL_eNULL, ~0u, SSL_TLSV1_2, ~0u},
/* strength classes */
{SSL_TXT_MEDIUM, ~0u, ~0u, ~0u, ~0u, ~0u, SSL_MEDIUM},
{SSL_TXT_HIGH, ~0u, ~0u, ~0u, ~0u, ~0u, SSL_HIGH},
/* FIPS 140-2 approved ciphersuite */
- {SSL_TXT_FIPS, ~0u, ~0u, ~0u, ~0u, ~0u, SSL_FIPS},
+ {SSL_TXT_FIPS, ~0u, ~0u, ~SSL_eNULL, ~0u, ~0u, SSL_FIPS},
};
static const size_t kCipherAliasesLen =
@@ -630,7 +611,7 @@ int ssl_cipher_get_evp_aead(const EVP_AEAD **out_aead,
*out_fixed_iv_len = 4;
return 1;
-#if !defined(ANDROID)
+#if !defined(BORINGSSL_ANDROID_SYSTEM)
case SSL_CHACHA20POLY1305:
*out_aead = EVP_aead_chacha20_poly1305();
*out_fixed_iv_len = 0;
@@ -725,19 +706,36 @@ int ssl_cipher_get_evp_aead(const EVP_AEAD **out_aead,
return 0;
}
+ case SSL_eNULL:
+ switch (cipher->algorithm_mac) {
+ case SSL_SHA1:
+ if (version == SSL3_VERSION) {
+ *out_aead = EVP_aead_null_sha1_ssl3();
+ } else {
+ *out_aead = EVP_aead_null_sha1_tls();
+ }
+ *out_mac_secret_len = SHA_DIGEST_LENGTH;
+ return 1;
+ default:
+ return 0;
+ }
+
default:
return 0;
}
}
-int ssl_get_handshake_digest(uint32_t *out_mask, const EVP_MD **out_md,
- size_t idx) {
- if (idx >= SSL_MAX_DIGEST) {
- return 0;
+const EVP_MD *ssl_get_handshake_digest(uint32_t algorithm_prf) {
+ switch (algorithm_prf) {
+ case SSL_HANDSHAKE_MAC_DEFAULT:
+ return EVP_sha1();
+ case SSL_HANDSHAKE_MAC_SHA256:
+ return EVP_sha256();
+ case SSL_HANDSHAKE_MAC_SHA384:
+ return EVP_sha384();
+ default:
+ return NULL;
}
- *out_mask = ssl_handshake_digests[idx].mask;
- *out_md = ssl_handshake_digests[idx].md_func();
- return 1;
}
#define ITEM_SEP(a) \
@@ -979,7 +977,7 @@ static int ssl_cipher_strength_sort(CIPHER_ORDER **head_p,
number_uses = OPENSSL_malloc((max_strength_bits + 1) * sizeof(int));
if (!number_uses) {
- OPENSSL_PUT_ERROR(SSL, ssl_cipher_strength_sort, ERR_R_MALLOC_FAILURE);
+ OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
memset(number_uses, 0, (max_strength_bits + 1) * sizeof(int));
@@ -1041,8 +1039,7 @@ static int ssl_cipher_process_rulestr(const SSL_PROTOCOL_METHOD *ssl_method,
continue;
} else if (!(ch >= 'a' && ch <= 'z') && !(ch >= 'A' && ch <= 'Z') &&
!(ch >= '0' && ch <= '9')) {
- OPENSSL_PUT_ERROR(SSL, ssl_cipher_process_rulestr,
- SSL_R_UNEXPECTED_OPERATOR_IN_GROUP);
+ OPENSSL_PUT_ERROR(SSL, SSL_R_UNEXPECTED_OPERATOR_IN_GROUP);
retval = in_group = 0;
break;
} else {
@@ -1062,7 +1059,7 @@ static int ssl_cipher_process_rulestr(const SSL_PROTOCOL_METHOD *ssl_method,
l++;
} else if (ch == '[') {
if (in_group) {
- OPENSSL_PUT_ERROR(SSL, ssl_cipher_process_rulestr, SSL_R_NESTED_GROUP);
+ OPENSSL_PUT_ERROR(SSL, SSL_R_NESTED_GROUP);
retval = in_group = 0;
break;
}
@@ -1077,8 +1074,7 @@ static int ssl_cipher_process_rulestr(const SSL_PROTOCOL_METHOD *ssl_method,
/* If preference groups are enabled, the only legal operator is +.
* Otherwise the in_group bits will get mixed up. */
if (has_group && rule != CIPHER_ADD) {
- OPENSSL_PUT_ERROR(SSL, ssl_cipher_process_rulestr,
- SSL_R_MIXED_SPECIAL_OPERATOR_WITH_GROUPS);
+ OPENSSL_PUT_ERROR(SSL, SSL_R_MIXED_SPECIAL_OPERATOR_WITH_GROUPS);
retval = in_group = 0;
break;
}
@@ -1110,8 +1106,7 @@ static int ssl_cipher_process_rulestr(const SSL_PROTOCOL_METHOD *ssl_method,
if (buf_len == 0) {
/* We hit something we cannot deal with, it is no command or separator
* nor alphanumeric, so we call this an error. */
- OPENSSL_PUT_ERROR(SSL, ssl_cipher_process_rulestr,
- SSL_R_INVALID_COMMAND);
+ OPENSSL_PUT_ERROR(SSL, SSL_R_INVALID_COMMAND);
retval = in_group = 0;
l++;
break;
@@ -1165,8 +1160,7 @@ static int ssl_cipher_process_rulestr(const SSL_PROTOCOL_METHOD *ssl_method,
if (buf_len == 8 && !strncmp(buf, "STRENGTH", 8)) {
ok = ssl_cipher_strength_sort(head_p, tail_p);
} else {
- OPENSSL_PUT_ERROR(SSL, ssl_cipher_process_rulestr,
- SSL_R_INVALID_COMMAND);
+ OPENSSL_PUT_ERROR(SSL, SSL_R_INVALID_COMMAND);
}
if (ok == 0) {
@@ -1186,7 +1180,7 @@ static int ssl_cipher_process_rulestr(const SSL_PROTOCOL_METHOD *ssl_method,
}
if (in_group) {
- OPENSSL_PUT_ERROR(SSL, ssl_cipher_process_rulestr, SSL_R_INVALID_COMMAND);
+ OPENSSL_PUT_ERROR(SSL, SSL_R_INVALID_COMMAND);
retval = 0;
}
@@ -1216,7 +1210,7 @@ ssl_create_cipher_list(const SSL_PROTOCOL_METHOD *ssl_method,
* allocation. */
co_list = (CIPHER_ORDER *)OPENSSL_malloc(sizeof(CIPHER_ORDER) * kCiphersLen);
if (co_list == NULL) {
- OPENSSL_PUT_ERROR(SSL, ssl_create_cipher_list, ERR_R_MALLOC_FAILURE);
+ OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return NULL;
}
@@ -1391,13 +1385,27 @@ int SSL_CIPHER_has_MD5_HMAC(const SSL_CIPHER *cipher) {
}
int SSL_CIPHER_is_AESGCM(const SSL_CIPHER *cipher) {
- return (cipher->algorithm_mac & (SSL_AES128GCM | SSL_AES256GCM)) != 0;
+ return (cipher->algorithm_enc & (SSL_AES128GCM | SSL_AES256GCM)) != 0;
}
int SSL_CIPHER_is_CHACHA20POLY1305(const SSL_CIPHER *cipher) {
return (cipher->algorithm_enc & SSL_CHACHA20POLY1305) != 0;
}
+int SSL_CIPHER_is_NULL(const SSL_CIPHER *cipher) {
+ return (cipher->algorithm_enc & SSL_eNULL) != 0;
+}
+
+int SSL_CIPHER_is_RC4(const SSL_CIPHER *cipher) {
+ return (cipher->algorithm_enc & SSL_RC4) != 0;
+}
+
+int SSL_CIPHER_is_block_cipher(const SSL_CIPHER *cipher) {
+ /* Neither stream cipher nor AEAD. */
+ return (cipher->algorithm_enc & (SSL_RC4 | SSL_eNULL)) == 0 &&
+ cipher->algorithm_mac != SSL_AEAD;
+}
+
/* return the actual cipher being used */
const char *SSL_CIPHER_get_name(const SSL_CIPHER *cipher) {
if (cipher != NULL) {
@@ -1472,27 +1480,24 @@ static const char *ssl_cipher_get_enc_name(const SSL_CIPHER *cipher) {
}
static const char *ssl_cipher_get_prf_name(const SSL_CIPHER *cipher) {
- if ((cipher->algorithm2 & SSL_HANDSHAKE_MAC_DEFAULT) ==
- SSL_HANDSHAKE_MAC_DEFAULT) {
- /* Before TLS 1.2, the PRF component is the hash used in the HMAC, which is
- * only ever MD5 or SHA-1. */
- switch (cipher->algorithm_mac) {
- case SSL_MD5:
- return "MD5";
- case SSL_SHA1:
- return "SHA";
- default:
- assert(0);
- return "UNKNOWN";
- }
- } else if (cipher->algorithm2 & SSL_HANDSHAKE_MAC_SHA256) {
- return "SHA256";
- } else if (cipher->algorithm2 & SSL_HANDSHAKE_MAC_SHA384) {
- return "SHA384";
- } else {
- assert(0);
- return "UNKNOWN";
+ switch (cipher->algorithm_prf) {
+ case SSL_HANDSHAKE_MAC_DEFAULT:
+ /* Before TLS 1.2, the PRF component is the hash used in the HMAC, which is
+ * only ever MD5 or SHA-1. */
+ switch (cipher->algorithm_mac) {
+ case SSL_MD5:
+ return "MD5";
+ case SSL_SHA1:
+ return "SHA";
+ }
+ break;
+ case SSL_HANDSHAKE_MAC_SHA256:
+ return "SHA256";
+ case SSL_HANDSHAKE_MAC_SHA384:
+ return "SHA384";
}
+ assert(0);
+ return "UNKNOWN";
}
char *SSL_CIPHER_get_rfc_name(const SSL_CIPHER *cipher) {
@@ -1625,6 +1630,10 @@ const char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf,
enc = "ChaCha20-Poly1305";
break;
+ case SSL_eNULL:
+ enc="None";
+ break;
+
default:
enc = "unknown";
break;
@@ -1674,29 +1683,28 @@ const char *SSL_CIPHER_get_version(const SSL_CIPHER *cipher) {
return "TLSv1/SSLv3";
}
-void *SSL_COMP_get_compression_methods(void) { return NULL; }
+COMP_METHOD *SSL_COMP_get_compression_methods(void) { return NULL; }
-int SSL_COMP_add_compression_method(int id, void *cm) { return 1; }
+int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm) { return 1; }
-const char *SSL_COMP_get_name(const void *comp) { return NULL; }
+const char *SSL_COMP_get_name(const COMP_METHOD *comp) { return NULL; }
-int ssl_cipher_get_cert_index(const SSL_CIPHER *cipher) {
+int ssl_cipher_get_key_type(const SSL_CIPHER *cipher) {
uint32_t alg_a = cipher->algorithm_auth;
if (alg_a & SSL_aECDSA) {
- return SSL_PKEY_ECC;
+ return EVP_PKEY_EC;
} else if (alg_a & SSL_aRSA) {
- return SSL_PKEY_RSA_ENC;
+ return EVP_PKEY_RSA;
}
- return -1;
+ return EVP_PKEY_NONE;
}
int ssl_cipher_has_server_public_key(const SSL_CIPHER *cipher) {
- /* PSK-authenticated ciphers do not use a public key, except for
- * RSA_PSK. */
- if ((cipher->algorithm_auth & SSL_aPSK) &&
- !(cipher->algorithm_mkey & SSL_kRSA)) {
+ /* PSK-authenticated ciphers do not use a certificate. (RSA_PSK is not
+ * supported.) */
+ if (cipher->algorithm_auth & SSL_aPSK) {
return 0;
}
@@ -1713,3 +1721,34 @@ int ssl_cipher_requires_server_key_exchange(const SSL_CIPHER *cipher) {
/* It is optional in all others. */
return 0;
}
+
+size_t ssl_cipher_get_record_split_len(const SSL_CIPHER *cipher) {
+ size_t block_size;
+ switch (cipher->algorithm_enc) {
+ case SSL_3DES:
+ block_size = 8;
+ break;
+ case SSL_AES128:
+ case SSL_AES256:
+ block_size = 16;
+ break;
+ default:
+ return 0;
+ }
+
+ size_t mac_len;
+ switch (cipher->algorithm_mac) {
+ case SSL_MD5:
+ mac_len = MD5_DIGEST_LENGTH;
+ break;
+ case SSL_SHA1:
+ mac_len = SHA_DIGEST_LENGTH;
+ break;
+ default:
+ return 0;
+ }
+
+ size_t ret = 1 + mac_len;
+ ret += block_size - (ret % block_size);
+ return ret;
+}
generated by cgit v1.1 at 2024-12-22 09:04:51 +0000