-/* ssl/ssl_ciph.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
#ifndef OPENSSL_NO_ENGINE
# include <openssl/engine.h>
#endif
+#include "internal/threads.h"
#include "ssl_locl.h"
#define SSL_ENC_DES_IDX 0
#define SSL_ENC_SEED_IDX 11
#define SSL_ENC_AES128GCM_IDX 12
#define SSL_ENC_AES256GCM_IDX 13
-#define SSL_ENC_NUM_IDX 14
+#define SSL_ENC_AES128CCM_IDX 14
+#define SSL_ENC_AES256CCM_IDX 15
+#define SSL_ENC_AES128CCM8_IDX 16
+#define SSL_ENC_AES256CCM8_IDX 17
+#define SSL_ENC_GOST8912_IDX 18
+#define SSL_ENC_CHACHA_IDX 19
+#define SSL_ENC_NUM_IDX 20
+
+/* NB: make sure indices in these tables match values above */
+
+typedef struct {
+ uint32_t mask;
+ int nid;
+} ssl_cipher_table;
+
+/* Table of NIDs for each cipher */
+static const ssl_cipher_table ssl_cipher_table_cipher[SSL_ENC_NUM_IDX] = {
+ {SSL_DES, NID_des_cbc}, /* SSL_ENC_DES_IDX 0 */
+ {SSL_3DES, NID_des_ede3_cbc}, /* SSL_ENC_3DES_IDX 1 */
+ {SSL_RC4, NID_rc4}, /* SSL_ENC_RC4_IDX 2 */
+ {SSL_RC2, NID_rc2_cbc}, /* SSL_ENC_RC2_IDX 3 */
+ {SSL_IDEA, NID_idea_cbc}, /* SSL_ENC_IDEA_IDX 4 */
+ {SSL_eNULL, NID_undef}, /* SSL_ENC_NULL_IDX 5 */
+ {SSL_AES128, NID_aes_128_cbc}, /* SSL_ENC_AES128_IDX 6 */
+ {SSL_AES256, NID_aes_256_cbc}, /* SSL_ENC_AES256_IDX 7 */
+ {SSL_CAMELLIA128, NID_camellia_128_cbc}, /* SSL_ENC_CAMELLIA128_IDX 8 */
+ {SSL_CAMELLIA256, NID_camellia_256_cbc}, /* SSL_ENC_CAMELLIA256_IDX 9 */
+ {SSL_eGOST2814789CNT, NID_gost89_cnt}, /* SSL_ENC_GOST89_IDX 10 */
+ {SSL_SEED, NID_seed_cbc}, /* SSL_ENC_SEED_IDX 11 */
+ {SSL_AES128GCM, NID_aes_128_gcm}, /* SSL_ENC_AES128GCM_IDX 12 */
+ {SSL_AES256GCM, NID_aes_256_gcm}, /* SSL_ENC_AES256GCM_IDX 13 */
+ {SSL_AES128CCM, NID_aes_128_ccm}, /* SSL_ENC_AES128CCM_IDX 14 */
+ {SSL_AES256CCM, NID_aes_256_ccm}, /* SSL_ENC_AES256CCM_IDX 15 */
+ {SSL_AES128CCM8, NID_aes_128_ccm}, /* SSL_ENC_AES128CCM8_IDX 16 */
+ {SSL_AES256CCM8, NID_aes_256_ccm}, /* SSL_ENC_AES256CCM8_IDX 17 */
+ {SSL_eGOST2814789CNT12, NID_gost89_cnt_12}, /* SSL_ENC_GOST8912_IDX */
+ {SSL_CHACHA20POLY1305, NID_chacha20_poly1305},
+};
static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX] = {
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
static STACK_OF(SSL_COMP) *ssl_comp_methods = NULL;
-#define SSL_MD_MD5_IDX 0
-#define SSL_MD_SHA1_IDX 1
-#define SSL_MD_GOST94_IDX 2
-#define SSL_MD_GOST89MAC_IDX 3
-#define SSL_MD_SHA256_IDX 4
-#define SSL_MD_SHA384_IDX 5
+static CRYPTO_ONCE ssl_load_builtin_comp_once = CRYPTO_ONCE_STATIC_INIT;
+
/*
* Constant SSL_MAX_DIGEST equal to size of digests array should be defined
* in the ssl_locl.h
*/
+
#define SSL_MD_NUM_IDX SSL_MAX_DIGEST
+
+/* NB: make sure indices in this table matches values above */
+static const ssl_cipher_table ssl_cipher_table_mac[SSL_MD_NUM_IDX] = {
+ {SSL_MD5, NID_md5}, /* SSL_MD_MD5_IDX 0 */
+ {SSL_SHA1, NID_sha1}, /* SSL_MD_SHA1_IDX 1 */
+ {SSL_GOST94, NID_id_GostR3411_94}, /* SSL_MD_GOST94_IDX 2 */
+ {SSL_GOST89MAC, NID_id_Gost28147_89_MAC}, /* SSL_MD_GOST89MAC_IDX 3 */
+ {SSL_SHA256, NID_sha256}, /* SSL_MD_SHA256_IDX 4 */
+ {SSL_SHA384, NID_sha384}, /* SSL_MD_SHA384_IDX 5 */
+ {SSL_GOST12_256, NID_id_GostR3411_2012_256}, /* SSL_MD_GOST12_256_IDX 6 */
+ {SSL_GOST89MAC12, NID_gost_mac_12}, /* SSL_MD_GOST89MAC12_IDX 7 */
+ {SSL_GOST12_512, NID_id_GostR3411_2012_512}, /* SSL_MD_GOST12_512_IDX 8 */
+ {0, NID_md5_sha1}, /* SSL_MD_MD5_SHA1_IDX 9 */
+ {0, NID_sha224}, /* SSL_MD_SHA224_IDX 10 */
+ {0, NID_sha512} /* SSL_MD_SHA512_IDX 11 */
+};
+
static const EVP_MD *ssl_digest_methods[SSL_MD_NUM_IDX] = {
- NULL, NULL, NULL, NULL, NULL, NULL
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
+};
+
+static const ssl_cipher_table ssl_cipher_table_kx[] = {
+ { SSL_kRSA, NID_kx_rsa },
+ { SSL_kECDHE, NID_kx_ecdhe },
+ { SSL_kDHE, NID_kx_dhe },
+ { SSL_kECDHEPSK, NID_kx_ecdhe_psk },
+ { SSL_kDHEPSK, NID_kx_dhe_psk },
+ { SSL_kRSAPSK, NID_kx_rsa_psk },
+ { SSL_kPSK, NID_kx_psk },
+ { SSL_kSRP, NID_kx_srp },
+ { SSL_kGOST, NID_kx_gost }
};
+static const ssl_cipher_table ssl_cipher_table_auth[] = {
+ { SSL_aRSA, NID_auth_rsa },
+ { SSL_aECDSA, NID_auth_ecdsa },
+ { SSL_aPSK, NID_auth_psk },
+ { SSL_aDSS, NID_auth_dss },
+ { SSL_aGOST01, NID_auth_gost01 },
+ { SSL_aGOST12, NID_auth_gost12 },
+ { SSL_aSRP, NID_auth_srp },
+ { SSL_aNULL, NID_auth_null }
+};
+
+/* Utility function for table lookup */
+static int ssl_cipher_info_find(const ssl_cipher_table * table,
+ size_t table_cnt, uint32_t mask)
+{
+ size_t i;
+ for (i = 0; i < table_cnt; i++, table++) {
+ if (table->mask == mask)
+ return i;
+ }
+ return -1;
+}
+
+#define ssl_cipher_info_lookup(table, x) \
+ ssl_cipher_info_find(table, OSSL_NELEM(table), x)
+
/*
* PKEY_TYPE for GOST89MAC is known in advance, but, because implementation
* is engine-provided, we'll fill it only if corresponding EVP_PKEY_METHOD is
* found
*/
static int ssl_mac_pkey_id[SSL_MD_NUM_IDX] = {
+ /* MD5, SHA, GOST94, MAC89 */
+ EVP_PKEY_HMAC, EVP_PKEY_HMAC, EVP_PKEY_HMAC, NID_undef,
+ /* SHA256, SHA384, GOST2012_256, MAC89-12 */
EVP_PKEY_HMAC, EVP_PKEY_HMAC, EVP_PKEY_HMAC, NID_undef,
- EVP_PKEY_HMAC, EVP_PKEY_HMAC
+ /* GOST2012_512 */
+ EVP_PKEY_HMAC,
};
static int ssl_mac_secret_size[SSL_MD_NUM_IDX] = {
- 0, 0, 0, 0, 0, 0
-};
-
-static const int ssl_handshake_digest_flag[SSL_MD_NUM_IDX] = {
- SSL_HANDSHAKE_MAC_MD5, SSL_HANDSHAKE_MAC_SHA,
- SSL_HANDSHAKE_MAC_GOST94, 0, SSL_HANDSHAKE_MAC_SHA256,
- SSL_HANDSHAKE_MAC_SHA384
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
#define CIPHER_ADD 1
#define CIPHER_DEL 3
#define CIPHER_ORD 4
#define CIPHER_SPECIAL 5
+/*
+ * Bump the ciphers to the top of the list.
+ * This rule isn't currently supported by the public cipherstring API.
+ */
+#define CIPHER_BUMP 6
typedef struct cipher_order_st {
const SSL_CIPHER *cipher;
static const SSL_CIPHER cipher_aliases[] = {
/* "ALL" doesn't include eNULL (must be specifically enabled) */
- {0, SSL_TXT_ALL, 0, 0, 0, ~SSL_eNULL, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_ALL, 0, 0, 0, ~SSL_eNULL, 0, 0, 0, 0, 0, 0, 0, 0, 0},
/* "COMPLEMENTOFALL" */
- {0, SSL_TXT_CMPALL, 0, 0, 0, SSL_eNULL, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_CMPALL, 0, 0, 0, SSL_eNULL, 0, 0, 0, 0, 0, 0, 0, 0, 0},
/*
* "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in
* ALL!)
*/
- {0, SSL_TXT_CMPDEF, 0, SSL_kDHE | SSL_kECDHE, SSL_aNULL, ~SSL_eNULL, 0, 0,
- 0, 0, 0, 0},
+ {0, SSL_TXT_CMPDEF, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_NOT_DEFAULT, 0, 0, 0},
/*
* key exchange aliases (some of those using only a single bit here
* combine multiple key exchange algs according to the RFCs, e.g. kDHE
* combines DHE_DSS and DHE_RSA)
*/
- {0, SSL_TXT_kRSA, 0, SSL_kRSA, 0, 0, 0, 0, 0, 0, 0, 0},
-
- {0, SSL_TXT_kDHr, 0, SSL_kDHr, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kDHd, 0, SSL_kDHd, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kDH, 0, SSL_kDHr | SSL_kDHd, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kEDH, 0, SSL_kDHE, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kDHE, 0, SSL_kDHE, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_DH, 0, SSL_kDHr | SSL_kDHd | SSL_kDHE, 0, 0, 0, 0, 0, 0, 0,
- 0},
+ {0, SSL_TXT_kRSA, 0, SSL_kRSA, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kKRB5, 0, SSL_kKRB5, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_kEDH, 0, SSL_kDHE, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_kDHE, 0, SSL_kDHE, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_DH, 0, SSL_kDHE, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kECDHr, 0, SSL_kECDHr, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kECDHe, 0, SSL_kECDHe, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kECDH, 0, SSL_kECDHr | SSL_kECDHe, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kEECDH, 0, SSL_kECDHE, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kECDHE, 0, SSL_kECDHE, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_ECDH, 0, SSL_kECDHr | SSL_kECDHe | SSL_kECDHE, 0, 0, 0, 0, 0,
- 0, 0, 0},
+ {0, SSL_TXT_kEECDH, 0, SSL_kECDHE, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_kECDHE, 0, SSL_kECDHE, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_ECDH, 0, SSL_kECDHE, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kPSK, 0, SSL_kPSK, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kSRP, 0, SSL_kSRP, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_kGOST, 0, SSL_kGOST, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_kPSK, 0, SSL_kPSK, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_kRSAPSK, 0, SSL_kRSAPSK, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_kECDHEPSK, 0, SSL_kECDHEPSK, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_kDHEPSK, 0, SSL_kDHEPSK, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_kSRP, 0, SSL_kSRP, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_kGOST, 0, SSL_kGOST, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
/* server authentication aliases */
- {0, SSL_TXT_aRSA, 0, 0, SSL_aRSA, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_aDSS, 0, 0, SSL_aDSS, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_DSS, 0, 0, SSL_aDSS, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_aKRB5, 0, 0, SSL_aKRB5, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_aNULL, 0, 0, SSL_aNULL, 0, 0, 0, 0, 0, 0, 0},
- /* no such ciphersuites supported! */
- {0, SSL_TXT_aDH, 0, 0, SSL_aDH, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_aECDH, 0, 0, SSL_aECDH, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_aECDSA, 0, 0, SSL_aECDSA, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_ECDSA, 0, 0, SSL_aECDSA, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_aPSK, 0, 0, SSL_aPSK, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_aGOST94, 0, 0, SSL_aGOST94, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_aGOST01, 0, 0, SSL_aGOST01, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_aGOST, 0, 0, SSL_aGOST94 | SSL_aGOST01, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_aSRP, 0, 0, SSL_aSRP, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_aRSA, 0, 0, SSL_aRSA, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_aDSS, 0, 0, SSL_aDSS, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_DSS, 0, 0, SSL_aDSS, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_aNULL, 0, 0, SSL_aNULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_aECDSA, 0, 0, SSL_aECDSA, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_ECDSA, 0, 0, SSL_aECDSA, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_aPSK, 0, 0, SSL_aPSK, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_aGOST01, 0, 0, SSL_aGOST01, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_aGOST12, 0, 0, SSL_aGOST12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_aGOST, 0, 0, SSL_aGOST01 | SSL_aGOST12, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0},
+ {0, SSL_TXT_aSRP, 0, 0, SSL_aSRP, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
/* aliases combining key exchange and server authentication */
- {0, SSL_TXT_EDH, 0, SSL_kDHE, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_DHE, 0, SSL_kDHE, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_EECDH, 0, SSL_kECDHE, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_ECDHE, 0, SSL_kECDHE, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_NULL, 0, 0, 0, SSL_eNULL, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_KRB5, 0, SSL_kKRB5, SSL_aKRB5, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_RSA, 0, SSL_kRSA, SSL_aRSA, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_ADH, 0, SSL_kDHE, SSL_aNULL, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_AECDH, 0, SSL_kECDHE, SSL_aNULL, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_PSK, 0, SSL_kPSK, SSL_aPSK, 0, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_SRP, 0, SSL_kSRP, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_EDH, 0, SSL_kDHE, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_DHE, 0, SSL_kDHE, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_EECDH, 0, SSL_kECDHE, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_ECDHE, 0, SSL_kECDHE, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_NULL, 0, 0, 0, SSL_eNULL, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_RSA, 0, SSL_kRSA, SSL_aRSA, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_ADH, 0, SSL_kDHE, SSL_aNULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_AECDH, 0, SSL_kECDHE, SSL_aNULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_PSK, 0, SSL_PSK, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_SRP, 0, SSL_kSRP, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
/* symmetric encryption aliases */
- {0, SSL_TXT_DES, 0, 0, 0, SSL_DES, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_3DES, 0, 0, 0, SSL_3DES, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_RC4, 0, 0, 0, SSL_RC4, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_RC2, 0, 0, 0, SSL_RC2, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_IDEA, 0, 0, 0, SSL_IDEA, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_SEED, 0, 0, 0, SSL_SEED, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_eNULL, 0, 0, 0, SSL_eNULL, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_AES128, 0, 0, 0, SSL_AES128 | SSL_AES128GCM, 0, 0, 0, 0, 0,
- 0},
- {0, SSL_TXT_AES256, 0, 0, 0, SSL_AES256 | SSL_AES256GCM, 0, 0, 0, 0, 0,
- 0},
- {0, SSL_TXT_AES, 0, 0, 0, SSL_AES, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_3DES, 0, 0, 0, SSL_3DES, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_RC4, 0, 0, 0, SSL_RC4, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_RC2, 0, 0, 0, SSL_RC2, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_IDEA, 0, 0, 0, SSL_IDEA, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_SEED, 0, 0, 0, SSL_SEED, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_eNULL, 0, 0, 0, SSL_eNULL, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_GOST, 0, 0, 0, SSL_eGOST2814789CNT | SSL_eGOST2814789CNT12, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_AES128, 0, 0, 0, SSL_AES128 | SSL_AES128GCM | SSL_AES128CCM | SSL_AES128CCM8, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_AES256, 0, 0, 0, SSL_AES256 | SSL_AES256GCM | SSL_AES256CCM | SSL_AES256CCM8, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_AES, 0, 0, 0, SSL_AES, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, SSL_TXT_AES_GCM, 0, 0, 0, SSL_AES128GCM | SSL_AES256GCM, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0},
+ {0, SSL_TXT_AES_CCM, 0, 0, 0,
+ SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_AES_CCM_8, 0, 0, 0, SSL_AES128CCM8 | SSL_AES256CCM8, 0, 0, 0, 0,
0, 0},
- {0, SSL_TXT_CAMELLIA128, 0, 0, 0, SSL_CAMELLIA128, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_CAMELLIA256, 0, 0, 0, SSL_CAMELLIA256, 0, 0, 0, 0, 0, 0},
- {0, SSL_TXT_CAMELLIA, 0, 0, 0, SSL_CAMELLIA128 | SSL_CAMELLIA256, 0, 0, 0,
- 0, 0, 0},
+ {0, SSL_TXT_CAMELLIA128, 0, 0, 0, SSL_CAMELLIA128, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0},
+ {0, SSL_TXT_CAMELLIA256, 0, 0, 0, SSL_CAMELLIA256, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0},
+ {0, SSL_TXT_CAMELLIA, 0, 0, 0, SSL_CAMELLIA, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_CHACHA20, 0, 0, 0, SSL_CHACHA20, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
/* MAC aliases */
- {0, SSL_TXT_MD5, 0, 0, 0, 0, SSL_MD5, 0, 0, 0, 0, 0},
- {0, SSL_TXT_SHA1, 0, 0, 0, 0, SSL_SHA1, 0, 0, 0, 0, 0},
- {0, SSL_TXT_SHA, 0, 0, 0, 0, SSL_SHA1, 0, 0, 0, 0, 0},
- {0, SSL_TXT_GOST94, 0, 0, 0, 0, SSL_GOST94, 0, 0, 0, 0, 0},
- {0, SSL_TXT_GOST89MAC, 0, 0, 0, 0, SSL_GOST89MAC, 0, 0, 0, 0, 0},
- {0, SSL_TXT_SHA256, 0, 0, 0, 0, SSL_SHA256, 0, 0, 0, 0, 0},
- {0, SSL_TXT_SHA384, 0, 0, 0, 0, SSL_SHA384, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_MD5, 0, 0, 0, 0, SSL_MD5, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_SHA1, 0, 0, 0, 0, SSL_SHA1, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_SHA, 0, 0, 0, 0, SSL_SHA1, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_GOST94, 0, 0, 0, 0, SSL_GOST94, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_GOST89MAC, 0, 0, 0, 0, SSL_GOST89MAC | SSL_GOST89MAC12, 0, 0,
+ 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_SHA256, 0, 0, 0, 0, SSL_SHA256, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_SHA384, 0, 0, 0, 0, SSL_SHA384, 0, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_GOST12, 0, 0, 0, 0, SSL_GOST12_256, 0, 0, 0, 0, 0, 0, 0, 0},
/* protocol version aliases */
- {0, SSL_TXT_SSLV3, 0, 0, 0, 0, 0, SSL_SSLV3, 0, 0, 0, 0},
- {0, SSL_TXT_TLSV1, 0, 0, 0, 0, 0, SSL_TLSV1, 0, 0, 0, 0},
- {0, SSL_TXT_TLSV1_2, 0, 0, 0, 0, 0, SSL_TLSV1_2, 0, 0, 0, 0},
-
- /* export flag */
- {0, SSL_TXT_EXP, 0, 0, 0, 0, 0, 0, SSL_EXPORT, 0, 0, 0},
- {0, SSL_TXT_EXPORT, 0, 0, 0, 0, 0, 0, SSL_EXPORT, 0, 0, 0},
+ {0, SSL_TXT_SSLV3, 0, 0, 0, 0, 0, SSL3_VERSION, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_TLSV1, 0, 0, 0, 0, 0, TLS1_VERSION, 0, 0, 0, 0, 0, 0, 0},
+ {0, "TLSv1.0", 0, 0, 0, 0, 0, TLS1_VERSION, 0, 0, 0, 0, 0, 0, 0},
+ {0, SSL_TXT_TLSV1_2, 0, 0, 0, 0, 0, TLS1_2_VERSION, 0, 0, 0, 0, 0, 0, 0},
/* strength classes */
- {0, SSL_TXT_EXP40, 0, 0, 0, 0, 0, 0, SSL_EXP40, 0, 0, 0},
- {0, SSL_TXT_EXP56, 0, 0, 0, 0, 0, 0, SSL_EXP56, 0, 0, 0},
- {0, SSL_TXT_LOW, 0, 0, 0, 0, 0, 0, SSL_LOW, 0, 0, 0},
- {0, SSL_TXT_MEDIUM, 0, 0, 0, 0, 0, 0, SSL_MEDIUM, 0, 0, 0},
- {0, SSL_TXT_HIGH, 0, 0, 0, 0, 0, 0, SSL_HIGH, 0, 0, 0},
+ {0, SSL_TXT_LOW, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_LOW, 0, 0, 0},
+ {0, SSL_TXT_MEDIUM, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_MEDIUM, 0, 0, 0},
+ {0, SSL_TXT_HIGH, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_HIGH, 0, 0, 0},
/* FIPS 140-2 approved ciphersuite */
- {0, SSL_TXT_FIPS, 0, 0, 0, ~SSL_eNULL, 0, 0, SSL_FIPS, 0, 0, 0},
+ {0, SSL_TXT_FIPS, 0, 0, 0, ~SSL_eNULL, 0, 0, 0, 0, 0, SSL_FIPS, 0, 0, 0},
/* "EDH-" aliases to "DHE-" labels (for backward compatibility) */
- {0, SSL3_TXT_EDH_DSS_DES_40_CBC_SHA, 0,
- SSL_kDHE, SSL_aDSS, SSL_DES, SSL_SHA1, SSL_SSLV3, SSL_EXPORT | SSL_EXP40,
- 0, 0, 0,},
- {0, SSL3_TXT_EDH_DSS_DES_64_CBC_SHA, 0,
- SSL_kDHE, SSL_aDSS, SSL_DES, SSL_SHA1, SSL_SSLV3, SSL_NOT_EXP | SSL_LOW,
- 0, 0, 0,},
{0, SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA, 0,
- SSL_kDHE, SSL_aDSS, SSL_3DES, SSL_SHA1, SSL_SSLV3,
- SSL_NOT_EXP | SSL_HIGH | SSL_FIPS, 0, 0, 0,},
- {0, SSL3_TXT_EDH_RSA_DES_40_CBC_SHA, 0,
- SSL_kDHE, SSL_aRSA, SSL_DES, SSL_SHA1, SSL_SSLV3, SSL_EXPORT | SSL_EXP40,
- 0, 0, 0,},
- {0, SSL3_TXT_EDH_RSA_DES_64_CBC_SHA, 0,
- SSL_kDHE, SSL_aRSA, SSL_DES, SSL_SHA1, SSL_SSLV3, SSL_NOT_EXP | SSL_LOW,
- 0, 0, 0,},
+ SSL_kDHE, SSL_aDSS, SSL_3DES, SSL_SHA1, 0, 0, 0, 0,
+ SSL_HIGH | SSL_FIPS, 0, 0, 0,},
{0, SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA, 0,
- SSL_kDHE, SSL_aRSA, SSL_3DES, SSL_SHA1, SSL_SSLV3,
- SSL_NOT_EXP | SSL_HIGH | SSL_FIPS, 0, 0, 0,},
+ SSL_kDHE, SSL_aRSA, SSL_3DES, SSL_SHA1, 0, 0, 0, 0,
+ SSL_HIGH | SSL_FIPS, 0, 0, 0,},
};
const EVP_PKEY_ASN1_METHOD *ameth;
int pkey_id = 0;
ameth = EVP_PKEY_asn1_find_str(NULL, pkey_name, -1);
- if (ameth) {
- EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
+ if (ameth && EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL,
+ ameth) > 0) {
+ return pkey_id;
}
- return pkey_id;
+ return 0;
}
#else
int pkey_id = 0;
ameth = EVP_PKEY_asn1_find_str(&tmpeng, pkey_name, -1);
if (ameth) {
- EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
+ if (EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL,
+ ameth) <= 0)
+ pkey_id = 0;
}
- if (tmpeng)
- ENGINE_finish(tmpeng);
+ ENGINE_finish(tmpeng);
return pkey_id;
}
#endif
+/* masks of disabled algorithms */
+static uint32_t disabled_enc_mask;
+static uint32_t disabled_mac_mask;
+static uint32_t disabled_mkey_mask;
+static uint32_t disabled_auth_mask;
+
void ssl_load_ciphers(void)
{
- ssl_cipher_methods[SSL_ENC_DES_IDX] = EVP_get_cipherbyname(SN_des_cbc);
- ssl_cipher_methods[SSL_ENC_3DES_IDX] =
- EVP_get_cipherbyname(SN_des_ede3_cbc);
- ssl_cipher_methods[SSL_ENC_RC4_IDX] = EVP_get_cipherbyname(SN_rc4);
- ssl_cipher_methods[SSL_ENC_RC2_IDX] = EVP_get_cipherbyname(SN_rc2_cbc);
-#ifndef OPENSSL_NO_IDEA
- ssl_cipher_methods[SSL_ENC_IDEA_IDX] = EVP_get_cipherbyname(SN_idea_cbc);
-#else
- ssl_cipher_methods[SSL_ENC_IDEA_IDX] = NULL;
+ size_t i;
+ const ssl_cipher_table *t;
+ disabled_enc_mask = 0;
+ for (i = 0, t = ssl_cipher_table_cipher; i < SSL_ENC_NUM_IDX; i++, t++) {
+ if (t->nid == NID_undef) {
+ ssl_cipher_methods[i] = NULL;
+ } else {
+ const EVP_CIPHER *cipher = EVP_get_cipherbynid(t->nid);
+ ssl_cipher_methods[i] = cipher;
+ if (cipher == NULL)
+ disabled_enc_mask |= t->mask;
+ }
+ }
+#ifdef SSL_FORBID_ENULL
+ disabled_enc_mask |= SSL_eNULL;
#endif
- ssl_cipher_methods[SSL_ENC_AES128_IDX] =
- EVP_get_cipherbyname(SN_aes_128_cbc);
- ssl_cipher_methods[SSL_ENC_AES256_IDX] =
- EVP_get_cipherbyname(SN_aes_256_cbc);
- ssl_cipher_methods[SSL_ENC_CAMELLIA128_IDX] =
- EVP_get_cipherbyname(SN_camellia_128_cbc);
- ssl_cipher_methods[SSL_ENC_CAMELLIA256_IDX] =
- EVP_get_cipherbyname(SN_camellia_256_cbc);
- ssl_cipher_methods[SSL_ENC_GOST89_IDX] =
- EVP_get_cipherbyname(SN_gost89_cnt);
- ssl_cipher_methods[SSL_ENC_SEED_IDX] = EVP_get_cipherbyname(SN_seed_cbc);
-
- ssl_cipher_methods[SSL_ENC_AES128GCM_IDX] =
- EVP_get_cipherbyname(SN_aes_128_gcm);
- ssl_cipher_methods[SSL_ENC_AES256GCM_IDX] =
- EVP_get_cipherbyname(SN_aes_256_gcm);
-
- ssl_digest_methods[SSL_MD_MD5_IDX] = EVP_get_digestbyname(SN_md5);
- ssl_mac_secret_size[SSL_MD_MD5_IDX] =
- EVP_MD_size(ssl_digest_methods[SSL_MD_MD5_IDX]);
- OPENSSL_assert(ssl_mac_secret_size[SSL_MD_MD5_IDX] >= 0);
- ssl_digest_methods[SSL_MD_SHA1_IDX] = EVP_get_digestbyname(SN_sha1);
- ssl_mac_secret_size[SSL_MD_SHA1_IDX] =
- EVP_MD_size(ssl_digest_methods[SSL_MD_SHA1_IDX]);
- OPENSSL_assert(ssl_mac_secret_size[SSL_MD_SHA1_IDX] >= 0);
- ssl_digest_methods[SSL_MD_GOST94_IDX] =
- EVP_get_digestbyname(SN_id_GostR3411_94);
- if (ssl_digest_methods[SSL_MD_GOST94_IDX]) {
- ssl_mac_secret_size[SSL_MD_GOST94_IDX] =
- EVP_MD_size(ssl_digest_methods[SSL_MD_GOST94_IDX]);
- OPENSSL_assert(ssl_mac_secret_size[SSL_MD_GOST94_IDX] >= 0);
+ disabled_mac_mask = 0;
+ for (i = 0, t = ssl_cipher_table_mac; i < SSL_MD_NUM_IDX; i++, t++) {
+ const EVP_MD *md = EVP_get_digestbynid(t->nid);
+ ssl_digest_methods[i] = md;
+ if (md == NULL) {
+ disabled_mac_mask |= t->mask;
+ } else {
+ ssl_mac_secret_size[i] = EVP_MD_size(md);
+ OPENSSL_assert(ssl_mac_secret_size[i] >= 0);
+ }
}
- ssl_digest_methods[SSL_MD_GOST89MAC_IDX] =
- EVP_get_digestbyname(SN_id_Gost28147_89_MAC);
+ /* Make sure we can access MD5 and SHA1 */
+ OPENSSL_assert(ssl_digest_methods[SSL_MD_MD5_IDX] != NULL);
+ OPENSSL_assert(ssl_digest_methods[SSL_MD_SHA1_IDX] != NULL);
+
+ disabled_mkey_mask = 0;
+ disabled_auth_mask = 0;
+
+#ifdef OPENSSL_NO_RSA
+ disabled_mkey_mask |= SSL_kRSA | SSL_kRSAPSK;
+ disabled_auth_mask |= SSL_aRSA;
+#endif
+#ifdef OPENSSL_NO_DSA
+ disabled_auth_mask |= SSL_aDSS;
+#endif
+#ifdef OPENSSL_NO_DH
+ disabled_mkey_mask |= SSL_kDHE | SSL_kDHEPSK;
+#endif
+#ifdef OPENSSL_NO_EC
+ disabled_mkey_mask |= SSL_kECDHEPSK;
+ disabled_auth_mask |= SSL_aECDSA;
+#endif
+#ifdef OPENSSL_NO_PSK
+ disabled_mkey_mask |= SSL_PSK;
+ disabled_auth_mask |= SSL_aPSK;
+#endif
+#ifdef OPENSSL_NO_SRP
+ disabled_mkey_mask |= SSL_kSRP;
+#endif
+
+ /*
+ * Check for presence of GOST 34.10 algorithms, and if they are not
+ * present, disable appropriate auth and key exchange
+ */
ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX] = get_optional_pkey_id("gost-mac");
if (ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX]) {
ssl_mac_secret_size[SSL_MD_GOST89MAC_IDX] = 32;
+ } else {
+ disabled_mac_mask |= SSL_GOST89MAC;
}
- ssl_digest_methods[SSL_MD_SHA256_IDX] = EVP_get_digestbyname(SN_sha256);
- ssl_mac_secret_size[SSL_MD_SHA256_IDX] =
- EVP_MD_size(ssl_digest_methods[SSL_MD_SHA256_IDX]);
- ssl_digest_methods[SSL_MD_SHA384_IDX] = EVP_get_digestbyname(SN_sha384);
- ssl_mac_secret_size[SSL_MD_SHA384_IDX] =
- EVP_MD_size(ssl_digest_methods[SSL_MD_SHA384_IDX]);
+ ssl_mac_pkey_id[SSL_MD_GOST89MAC12_IDX] = get_optional_pkey_id("gost-mac-12");
+ if (ssl_mac_pkey_id[SSL_MD_GOST89MAC12_IDX]) {
+ ssl_mac_secret_size[SSL_MD_GOST89MAC12_IDX] = 32;
+ } else {
+ disabled_mac_mask |= SSL_GOST89MAC12;
+ }
+
+ if (!get_optional_pkey_id("gost2001"))
+ disabled_auth_mask |= SSL_aGOST01 | SSL_aGOST12;
+ if (!get_optional_pkey_id("gost2012_256"))
+ disabled_auth_mask |= SSL_aGOST12;
+ if (!get_optional_pkey_id("gost2012_512"))
+ disabled_auth_mask |= SSL_aGOST12;
+ /*
+ * Disable GOST key exchange if no GOST signature algs are available *
+ */
+ if ((disabled_auth_mask & (SSL_aGOST01 | SSL_aGOST12)) == (SSL_aGOST01 | SSL_aGOST12))
+ disabled_mkey_mask |= SSL_kGOST;
}
#ifndef OPENSSL_NO_COMP
return ((*a)->id - (*b)->id);
}
-static void load_builtin_compressions(void)
+static void do_load_builtin_compressions(void)
{
- int got_write_lock = 0;
-
- CRYPTO_r_lock(CRYPTO_LOCK_SSL);
- if (ssl_comp_methods == NULL) {
- CRYPTO_r_unlock(CRYPTO_LOCK_SSL);
- CRYPTO_w_lock(CRYPTO_LOCK_SSL);
- got_write_lock = 1;
-
- if (ssl_comp_methods == NULL) {
- SSL_COMP *comp = NULL;
-
- MemCheck_off();
- ssl_comp_methods = sk_SSL_COMP_new(sk_comp_cmp);
- if (ssl_comp_methods != NULL) {
- comp = (SSL_COMP *)OPENSSL_malloc(sizeof(SSL_COMP));
- if (comp != NULL) {
- comp->method = COMP_zlib();
- if (comp->method && comp->method->type == NID_undef)
- OPENSSL_free(comp);
- else {
- comp->id = SSL_COMP_ZLIB_IDX;
- comp->name = comp->method->name;
- sk_SSL_COMP_push(ssl_comp_methods, comp);
- }
- }
- sk_SSL_COMP_sort(ssl_comp_methods);
- }
- MemCheck_on();
+ SSL_COMP *comp = NULL;
+ COMP_METHOD *method = COMP_zlib();
+
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
+ ssl_comp_methods = sk_SSL_COMP_new(sk_comp_cmp);
+
+ if (COMP_get_type(method) != NID_undef && ssl_comp_methods != NULL) {
+ comp = OPENSSL_malloc(sizeof(*comp));
+ if (comp != NULL) {
+ comp->method = method;
+ comp->id = SSL_COMP_ZLIB_IDX;
+ comp->name = COMP_get_name(method);
+ sk_SSL_COMP_push(ssl_comp_methods, comp);
+ sk_SSL_COMP_sort(ssl_comp_methods);
}
}
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
+}
- if (got_write_lock)
- CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
- else
- CRYPTO_r_unlock(CRYPTO_LOCK_SSL);
+static void load_builtin_compressions(void)
+{
+ CRYPTO_THREAD_run_once(&ssl_load_builtin_comp_once,
+ do_load_builtin_compressions);
}
#endif
if ((enc == NULL) || (md == NULL))
return 0;
- switch (c->algorithm_enc) {
- case SSL_DES:
- i = SSL_ENC_DES_IDX;
- break;
- case SSL_3DES:
- i = SSL_ENC_3DES_IDX;
- break;
- case SSL_RC4:
- i = SSL_ENC_RC4_IDX;
- break;
- case SSL_RC2:
- i = SSL_ENC_RC2_IDX;
- break;
- case SSL_IDEA:
- i = SSL_ENC_IDEA_IDX;
- break;
- case SSL_eNULL:
- i = SSL_ENC_NULL_IDX;
- break;
- case SSL_AES128:
- i = SSL_ENC_AES128_IDX;
- break;
- case SSL_AES256:
- i = SSL_ENC_AES256_IDX;
- break;
- case SSL_CAMELLIA128:
- i = SSL_ENC_CAMELLIA128_IDX;
- break;
- case SSL_CAMELLIA256:
- i = SSL_ENC_CAMELLIA256_IDX;
- break;
- case SSL_eGOST2814789CNT:
- i = SSL_ENC_GOST89_IDX;
- break;
- case SSL_SEED:
- i = SSL_ENC_SEED_IDX;
- break;
- case SSL_AES128GCM:
- i = SSL_ENC_AES128GCM_IDX;
- break;
- case SSL_AES256GCM:
- i = SSL_ENC_AES256GCM_IDX;
- break;
- default:
- i = -1;
- break;
- }
+ i = ssl_cipher_info_lookup(ssl_cipher_table_cipher, c->algorithm_enc);
- if ((i < 0) || (i >= SSL_ENC_NUM_IDX))
+ if (i == -1)
*enc = NULL;
else {
if (i == SSL_ENC_NULL_IDX)
*enc = ssl_cipher_methods[i];
}
- switch (c->algorithm_mac) {
- case SSL_MD5:
- i = SSL_MD_MD5_IDX;
- break;
- case SSL_SHA1:
- i = SSL_MD_SHA1_IDX;
- break;
- case SSL_SHA256:
- i = SSL_MD_SHA256_IDX;
- break;
- case SSL_SHA384:
- i = SSL_MD_SHA384_IDX;
- break;
- case SSL_GOST94:
- i = SSL_MD_GOST94_IDX;
- break;
- case SSL_GOST89MAC:
- i = SSL_MD_GOST89MAC_IDX;
- break;
- default:
- i = -1;
- break;
- }
- if ((i < 0) || (i >= SSL_MD_NUM_IDX)) {
+ i = ssl_cipher_info_lookup(ssl_cipher_table_mac, c->algorithm_mac);
+ if (i == -1) {
*md = NULL;
if (mac_pkey_type != NULL)
*mac_pkey_type = NID_undef;
return (0);
}
-int ssl_get_handshake_digest(int idx, long *mask, const EVP_MD **md)
+const EVP_MD *ssl_md(int idx)
{
- if (idx < 0 || idx >= SSL_MD_NUM_IDX) {
- return 0;
- }
- *mask = ssl_handshake_digest_flag[idx];
- if (*mask)
- *md = ssl_digest_methods[idx];
- else
- *md = NULL;
- return 1;
+ idx &= SSL_HANDSHAKE_MAC_MASK;
+ if (idx < 0 || idx >= SSL_MD_NUM_IDX)
+ return NULL;
+ return ssl_digest_methods[idx];
+}
+
+const EVP_MD *ssl_handshake_md(SSL *s)
+{
+ return ssl_md(ssl_get_algorithm2(s));
+}
+
+const EVP_MD *ssl_prf_md(SSL *s)
+{
+ return ssl_md(ssl_get_algorithm2(s) >> TLS1_PRF_DGST_SHIFT);
}
#define ITEM_SEP(a) \
*head = curr;
}
-static void ssl_cipher_get_disabled(unsigned long *mkey, unsigned long *auth,
- unsigned long *enc, unsigned long *mac,
- unsigned long *ssl)
-{
- *mkey = 0;
- *auth = 0;
- *enc = 0;
- *mac = 0;
- *ssl = 0;
-
-#ifdef OPENSSL_NO_RSA
- *mkey |= SSL_kRSA;
- *auth |= SSL_aRSA;
-#endif
-#ifdef OPENSSL_NO_DSA
- *auth |= SSL_aDSS;
-#endif
-#ifdef OPENSSL_NO_DH
- *mkey |= SSL_kDHr | SSL_kDHd | SSL_kDHE;
- *auth |= SSL_aDH;
-#endif
-#ifdef OPENSSL_NO_KRB5
- *mkey |= SSL_kKRB5;
- *auth |= SSL_aKRB5;
-#endif
-#ifdef OPENSSL_NO_EC
- *mkey |= SSL_kECDHe | SSL_kECDHr;
- *auth |= SSL_aECDSA | SSL_aECDH;
-#endif
-#ifdef OPENSSL_NO_PSK
- *mkey |= SSL_kPSK;
- *auth |= SSL_aPSK;
-#endif
-#ifdef OPENSSL_NO_SRP
- *mkey |= SSL_kSRP;
-#endif
- /*
- * Check for presence of GOST 34.10 algorithms, and if they do not
- * present, disable appropriate auth and key exchange
- */
- if (!get_optional_pkey_id("gost94")) {
- *auth |= SSL_aGOST94;
- }
- if (!get_optional_pkey_id("gost2001")) {
- *auth |= SSL_aGOST01;
- }
- /*
- * Disable GOST key exchange if no GOST signature algs are available *
- */
- if ((*auth & (SSL_aGOST94 | SSL_aGOST01)) == (SSL_aGOST94 | SSL_aGOST01)) {
- *mkey |= SSL_kGOST;
- }
-#ifdef SSL_FORBID_ENULL
- *enc |= SSL_eNULL;
-#endif
-
- *enc |= (ssl_cipher_methods[SSL_ENC_DES_IDX] == NULL) ? SSL_DES : 0;
- *enc |= (ssl_cipher_methods[SSL_ENC_3DES_IDX] == NULL) ? SSL_3DES : 0;
- *enc |= (ssl_cipher_methods[SSL_ENC_RC4_IDX] == NULL) ? SSL_RC4 : 0;
- *enc |= (ssl_cipher_methods[SSL_ENC_RC2_IDX] == NULL) ? SSL_RC2 : 0;
- *enc |= (ssl_cipher_methods[SSL_ENC_IDEA_IDX] == NULL) ? SSL_IDEA : 0;
- *enc |= (ssl_cipher_methods[SSL_ENC_AES128_IDX] == NULL) ? SSL_AES128 : 0;
- *enc |= (ssl_cipher_methods[SSL_ENC_AES256_IDX] == NULL) ? SSL_AES256 : 0;
- *enc |=
- (ssl_cipher_methods[SSL_ENC_AES128GCM_IDX] ==
- NULL) ? SSL_AES128GCM : 0;
- *enc |=
- (ssl_cipher_methods[SSL_ENC_AES256GCM_IDX] ==
- NULL) ? SSL_AES256GCM : 0;
- *enc |=
- (ssl_cipher_methods[SSL_ENC_CAMELLIA128_IDX] ==
- NULL) ? SSL_CAMELLIA128 : 0;
- *enc |=
- (ssl_cipher_methods[SSL_ENC_CAMELLIA256_IDX] ==
- NULL) ? SSL_CAMELLIA256 : 0;
- *enc |=
- (ssl_cipher_methods[SSL_ENC_GOST89_IDX] ==
- NULL) ? SSL_eGOST2814789CNT : 0;
- *enc |= (ssl_cipher_methods[SSL_ENC_SEED_IDX] == NULL) ? SSL_SEED : 0;
-
- *mac |= (ssl_digest_methods[SSL_MD_MD5_IDX] == NULL) ? SSL_MD5 : 0;
- *mac |= (ssl_digest_methods[SSL_MD_SHA1_IDX] == NULL) ? SSL_SHA1 : 0;
- *mac |= (ssl_digest_methods[SSL_MD_SHA256_IDX] == NULL) ? SSL_SHA256 : 0;
- *mac |= (ssl_digest_methods[SSL_MD_SHA384_IDX] == NULL) ? SSL_SHA384 : 0;
- *mac |= (ssl_digest_methods[SSL_MD_GOST94_IDX] == NULL) ? SSL_GOST94 : 0;
- *mac |= (ssl_digest_methods[SSL_MD_GOST89MAC_IDX] == NULL
- || ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX] ==
- NID_undef) ? SSL_GOST89MAC : 0;
-
-}
-
static void ssl_cipher_collect_ciphers(const SSL_METHOD *ssl_method,
int num_of_ciphers,
- unsigned long disabled_mkey,
- unsigned long disabled_auth,
- unsigned long disabled_enc,
- unsigned long disabled_mac,
- unsigned long disabled_ssl,
+ uint32_t disabled_mkey,
+ uint32_t disabled_auth,
+ uint32_t disabled_enc,
+ uint32_t disabled_mac,
CIPHER_ORDER *co_list,
CIPHER_ORDER **head_p,
CIPHER_ORDER **tail_p)
!(c->algorithm_mkey & disabled_mkey) &&
!(c->algorithm_auth & disabled_auth) &&
!(c->algorithm_enc & disabled_enc) &&
- !(c->algorithm_mac & disabled_mac) &&
- !(c->algorithm_ssl & disabled_ssl)) {
+ !(c->algorithm_mac & disabled_mac)) {
co_list[co_list_num].cipher = c;
co_list[co_list_num].next = NULL;
co_list[co_list_num].prev = NULL;
co_list[co_list_num].active = 0;
co_list_num++;
-#ifdef KSSL_DEBUG
- fprintf(stderr, "\t%d: %s %lx %lx %lx\n", i, c->name, c->id,
- c->algorithm_mkey, c->algorithm_auth);
-#endif /* KSSL_DEBUG */
/*
* if (!sk_push(ca_list,(char *)c)) goto err;
*/
static void ssl_cipher_collect_aliases(const SSL_CIPHER **ca_list,
int num_of_group_aliases,
- unsigned long disabled_mkey,
- unsigned long disabled_auth,
- unsigned long disabled_enc,
- unsigned long disabled_mac,
- unsigned long disabled_ssl,
+ uint32_t disabled_mkey,
+ uint32_t disabled_auth,
+ uint32_t disabled_enc,
+ uint32_t disabled_mac,
CIPHER_ORDER *head)
{
CIPHER_ORDER *ciph_curr;
const SSL_CIPHER **ca_curr;
int i;
- unsigned long mask_mkey = ~disabled_mkey;
- unsigned long mask_auth = ~disabled_auth;
- unsigned long mask_enc = ~disabled_enc;
- unsigned long mask_mac = ~disabled_mac;
- unsigned long mask_ssl = ~disabled_ssl;
+ uint32_t mask_mkey = ~disabled_mkey;
+ uint32_t mask_auth = ~disabled_auth;
+ uint32_t mask_enc = ~disabled_enc;
+ uint32_t mask_mac = ~disabled_mac;
/*
* First, add the real ciphers as already collected
* or represent a cipher strength value (will be added in any case because algorithms=0).
*/
for (i = 0; i < num_of_group_aliases; i++) {
- unsigned long algorithm_mkey = cipher_aliases[i].algorithm_mkey;
- unsigned long algorithm_auth = cipher_aliases[i].algorithm_auth;
- unsigned long algorithm_enc = cipher_aliases[i].algorithm_enc;
- unsigned long algorithm_mac = cipher_aliases[i].algorithm_mac;
- unsigned long algorithm_ssl = cipher_aliases[i].algorithm_ssl;
+ uint32_t algorithm_mkey = cipher_aliases[i].algorithm_mkey;
+ uint32_t algorithm_auth = cipher_aliases[i].algorithm_auth;
+ uint32_t algorithm_enc = cipher_aliases[i].algorithm_enc;
+ uint32_t algorithm_mac = cipher_aliases[i].algorithm_mac;
if (algorithm_mkey)
if ((algorithm_mkey & mask_mkey) == 0)
if ((algorithm_mac & mask_mac) == 0)
continue;
- if (algorithm_ssl)
- if ((algorithm_ssl & mask_ssl) == 0)
- continue;
-
*ca_curr = (SSL_CIPHER *)(cipher_aliases + i);
ca_curr++;
}
*ca_curr = NULL; /* end of list */
}
-static void ssl_cipher_apply_rule(unsigned long cipher_id,
- unsigned long alg_mkey,
- unsigned long alg_auth,
- unsigned long alg_enc,
- unsigned long alg_mac,
- unsigned long alg_ssl,
- unsigned long algo_strength, int rule,
- int strength_bits, CIPHER_ORDER **head_p,
+static void ssl_cipher_apply_rule(uint32_t cipher_id, uint32_t alg_mkey,
+ uint32_t alg_auth, uint32_t alg_enc,
+ uint32_t alg_mac, int min_tls,
+ uint32_t algo_strength, int rule,
+ int32_t strength_bits, CIPHER_ORDER **head_p,
CIPHER_ORDER **tail_p)
{
CIPHER_ORDER *head, *tail, *curr, *next, *last;
#ifdef CIPHER_DEBUG
fprintf(stderr,
- "Applying rule %d with %08lx/%08lx/%08lx/%08lx/%08lx %08lx (%d)\n",
- rule, alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl,
+ "Applying rule %d with %08x/%08x/%08x/%08x/%08x %08x (%d)\n",
+ rule, alg_mkey, alg_auth, alg_enc, alg_mac, min_tls,
algo_strength, strength_bits);
#endif
- if (rule == CIPHER_DEL)
+ if (rule == CIPHER_DEL || rule == CIPHER_BUMP)
reverse = 1; /* needed to maintain sorting between
* currently deleted ciphers */
} else {
#ifdef CIPHER_DEBUG
fprintf(stderr,
- "\nName: %s:\nAlgo = %08lx/%08lx/%08lx/%08lx/%08lx Algo_strength = %08lx\n",
+ "\nName: %s:\nAlgo = %08x/%08x/%08x/%08x/%08x Algo_strength = %08x\n",
cp->name, cp->algorithm_mkey, cp->algorithm_auth,
cp->algorithm_enc, cp->algorithm_mac, cp->algorithm_ssl,
cp->algo_strength);
-#endif
-#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
- if (cipher_id && cipher_id != cp->id)
- continue;
#endif
if (alg_mkey && !(alg_mkey & cp->algorithm_mkey))
continue;
continue;
if (alg_mac && !(alg_mac & cp->algorithm_mac))
continue;
- if (alg_ssl && !(alg_ssl & cp->algorithm_ssl))
+ if (min_tls && (min_tls != cp->min_tls))
continue;
- if ((algo_strength & SSL_EXP_MASK)
- && !(algo_strength & SSL_EXP_MASK & cp->algo_strength))
+ if (algo_strength && !(algo_strength & cp->algo_strength))
continue;
- if ((algo_strength & SSL_STRONG_MASK)
- && !(algo_strength & SSL_STRONG_MASK & cp->algo_strength))
+ if ((algo_strength & SSL_DEFAULT_MASK)
+ && !(algo_strength & SSL_DEFAULT_MASK & cp->algo_strength))
continue;
}
ll_append_head(&head, curr, &tail);
curr->active = 0;
}
+ } else if (rule == CIPHER_BUMP) {
+ if (curr->active)
+ ll_append_head(&head, curr, &tail);
} else if (rule == CIPHER_KILL) {
/* reverse == 0 */
if (head == curr)
static int ssl_cipher_strength_sort(CIPHER_ORDER **head_p,
CIPHER_ORDER **tail_p)
{
- int max_strength_bits, i, *number_uses;
+ int32_t max_strength_bits;
+ int i, *number_uses;
CIPHER_ORDER *curr;
/*
curr = curr->next;
}
- number_uses = OPENSSL_malloc((max_strength_bits + 1) * sizeof(int));
- if (!number_uses) {
+ number_uses = OPENSSL_zalloc(sizeof(int) * (max_strength_bits + 1));
+ if (number_uses == NULL) {
SSLerr(SSL_F_SSL_CIPHER_STRENGTH_SORT, ERR_R_MALLOC_FAILURE);
return (0);
}
- memset(number_uses, 0, (max_strength_bits + 1) * sizeof(int));
/*
* Now find the strength_bits values actually used
CIPHER_ORDER **tail_p,
const SSL_CIPHER **ca_list, CERT *c)
{
- unsigned long alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl,
- algo_strength;
+ uint32_t alg_mkey, alg_auth, alg_enc, alg_mac, algo_strength;
+ int min_tls;
const char *l, *buf;
int j, multi, found, rule, retval, ok, buflen;
- unsigned long cipher_id = 0;
+ uint32_t cipher_id = 0;
char ch;
retval = 1;
alg_auth = 0;
alg_enc = 0;
alg_mac = 0;
- alg_ssl = 0;
+ min_tls = 0;
algo_strength = 0;
for (;;) {
j = found = 0;
cipher_id = 0;
while (ca_list[j]) {
- if (!strncmp(buf, ca_list[j]->name, buflen) &&
- (ca_list[j]->name[buflen] == '\0')) {
+ if (strncmp(buf, ca_list[j]->name, buflen) == 0
+ && (ca_list[j]->name[buflen] == '\0')) {
found = 1;
break;
} else
alg_mac = ca_list[j]->algorithm_mac;
}
- if (ca_list[j]->algo_strength & SSL_EXP_MASK) {
- if (algo_strength & SSL_EXP_MASK) {
- algo_strength &=
- (ca_list[j]->algo_strength & SSL_EXP_MASK) |
- ~SSL_EXP_MASK;
- if (!(algo_strength & SSL_EXP_MASK)) {
+ if (ca_list[j]->algo_strength) {
+ if (algo_strength) {
+ algo_strength &= ca_list[j]->algo_strength;
+ if (!algo_strength) {
found = 0;
break;
}
} else
- algo_strength |= ca_list[j]->algo_strength & SSL_EXP_MASK;
+ algo_strength = ca_list[j]->algo_strength;
}
- if (ca_list[j]->algo_strength & SSL_STRONG_MASK) {
- if (algo_strength & SSL_STRONG_MASK) {
+ if (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) {
+ if (algo_strength & SSL_DEFAULT_MASK) {
algo_strength &=
- (ca_list[j]->algo_strength & SSL_STRONG_MASK) |
- ~SSL_STRONG_MASK;
- if (!(algo_strength & SSL_STRONG_MASK)) {
+ (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) |
+ ~SSL_DEFAULT_MASK;
+ if (!(algo_strength & SSL_DEFAULT_MASK)) {
found = 0;
break;
}
} else
algo_strength |=
- ca_list[j]->algo_strength & SSL_STRONG_MASK;
+ ca_list[j]->algo_strength & SSL_DEFAULT_MASK;
}
if (ca_list[j]->valid) {
* protocol version is considered part of the search pattern
*/
- if (ca_list[j]->algorithm_ssl) {
- if (alg_ssl) {
- alg_ssl &= ca_list[j]->algorithm_ssl;
- if (!alg_ssl) {
- found = 0;
- break;
- }
- } else
- alg_ssl = ca_list[j]->algorithm_ssl;
+ if (ca_list[j]->min_tls) {
+ if (min_tls != 0 && min_tls != ca_list[j]->min_tls) {
+ found = 0;
+ break;
+ } else {
+ min_tls = ca_list[j]->min_tls;
+ }
}
}
*/
if (rule == CIPHER_SPECIAL) { /* special command */
ok = 0;
- if ((buflen == 8) && !strncmp(buf, "STRENGTH", 8))
+ if ((buflen == 8) && strncmp(buf, "STRENGTH", 8) == 0)
ok = ssl_cipher_strength_sort(head_p, tail_p);
- else if (buflen == 10 && !strncmp(buf, "SECLEVEL=", 9)) {
+ else if (buflen == 10 && strncmp(buf, "SECLEVEL=", 9) == 0) {
int level = buf[9] - '0';
if (level < 0 || level > 5) {
SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR,
} else if (found) {
ssl_cipher_apply_rule(cipher_id,
alg_mkey, alg_auth, alg_enc, alg_mac,
- alg_ssl, algo_strength, rule, -1, head_p,
+ min_tls, algo_strength, rule, -1, head_p,
tail_p);
} else {
while ((*l != '\0') && !ITEM_SEP(*l))
const char **prule_str)
{
unsigned int suiteb_flags = 0, suiteb_comb2 = 0;
- if (!strcmp(*prule_str, "SUITEB128"))
- suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS;
- else if (!strcmp(*prule_str, "SUITEB128ONLY"))
+ if (strncmp(*prule_str, "SUITEB128ONLY", 13) == 0) {
suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS_ONLY;
- else if (!strcmp(*prule_str, "SUITEB128C2")) {
+ } else if (strncmp(*prule_str, "SUITEB128C2", 11) == 0) {
suiteb_comb2 = 1;
suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS;
- } else if (!strcmp(*prule_str, "SUITEB192"))
+ } else if (strncmp(*prule_str, "SUITEB128", 9) == 0) {
+ suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS;
+ } else if (strncmp(*prule_str, "SUITEB192", 9) == 0) {
suiteb_flags = SSL_CERT_FLAG_SUITEB_192_LOS;
+ }
if (suiteb_flags) {
c->cert_flags &= ~SSL_CERT_FLAG_SUITEB_128_LOS;
/* Check version: if TLS 1.2 ciphers allowed we can use Suite B */
if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)) {
- if (meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
- SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST,
- SSL_R_ONLY_DTLS_1_2_ALLOWED_IN_SUITEB_MODE);
- else
- SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST,
- SSL_R_ONLY_TLS_1_2_ALLOWED_IN_SUITEB_MODE);
+ SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST,
+ SSL_R_AT_LEAST_TLS_1_2_NEEDED_IN_SUITEB_MODE);
return 0;
}
# ifndef OPENSSL_NO_EC
*prule_str = "ECDHE-ECDSA-AES256-GCM-SHA384";
break;
}
- /* Set auto ECDH parameter determination */
- c->ecdh_tmp_auto = 1;
return 1;
# else
SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST,
const char *rule_str, CERT *c)
{
int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases;
- unsigned long disabled_mkey, disabled_auth, disabled_enc, disabled_mac,
- disabled_ssl;
+ uint32_t disabled_mkey, disabled_auth, disabled_enc, disabled_mac;
STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list;
const char *rule_p;
CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr;
* To reduce the work to do we only want to process the compiled
* in algorithms, so we first get the mask of disabled ciphers.
*/
- ssl_cipher_get_disabled(&disabled_mkey, &disabled_auth, &disabled_enc,
- &disabled_mac, &disabled_ssl);
+
+ disabled_mkey = disabled_mkey_mask;
+ disabled_auth = disabled_auth_mask;
+ disabled_enc = disabled_enc_mask;
+ disabled_mac = disabled_mac_mask;
/*
* Now we have to collect the available ciphers from the compiled
* it is used for allocation.
*/
num_of_ciphers = ssl_method->num_ciphers();
-#ifdef KSSL_DEBUG
- fprintf(stderr, "ssl_create_cipher_list() for %d ciphers\n",
- num_of_ciphers);
-#endif /* KSSL_DEBUG */
- co_list =
- (CIPHER_ORDER *)OPENSSL_malloc(sizeof(CIPHER_ORDER) * num_of_ciphers);
+
+ co_list = OPENSSL_malloc(sizeof(*co_list) * num_of_ciphers);
if (co_list == NULL) {
SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE);
return (NULL); /* Failure */
ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers,
disabled_mkey, disabled_auth, disabled_enc,
- disabled_mac, disabled_ssl, co_list, &head,
+ disabled_mac, co_list, &head,
&tail);
- /* Now arrange all ciphers by preference: */
+ /* Now arrange all ciphers by preference. */
/*
* Everything else being equal, prefer ephemeral ECDH over other key
- * exchange mechanisms
+ * exchange mechanisms.
+ * For consistency, prefer ECDSA over RSA (though this only matters if the
+ * server has both certificates, and is using the DEFAULT, or a client
+ * preference).
*/
+ ssl_cipher_apply_rule(0, SSL_kECDHE, SSL_aECDSA, 0, 0, 0, 0, CIPHER_ADD,
+ -1, &head, &tail);
ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head,
&tail);
ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head,
&tail);
- /* AES is our preferred symmetric cipher */
- ssl_cipher_apply_rule(0, 0, 0, SSL_AES, 0, 0, 0, CIPHER_ADD, -1, &head,
- &tail);
+
+ /* Within each strength group, we prefer GCM over CHACHA... */
+ ssl_cipher_apply_rule(0, 0, 0, SSL_AESGCM, 0, 0, 0, CIPHER_ADD, -1,
+ &head, &tail);
+ ssl_cipher_apply_rule(0, 0, 0, SSL_CHACHA20, 0, 0, 0, CIPHER_ADD, -1,
+ &head, &tail);
+
+ /*
+ * ...and generally, our preferred cipher is AES.
+ * Note that AEADs will be bumped to take preference after sorting by
+ * strength.
+ */
+ ssl_cipher_apply_rule(0, 0, 0, SSL_AES ^ SSL_AESGCM, 0, 0, 0, CIPHER_ADD,
+ -1, &head, &tail);
/* Temporarily enable everything else for sorting */
ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);
ssl_cipher_apply_rule(0, 0, SSL_aNULL, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
&tail);
- /* Move ciphers without forward secrecy to the end */
- ssl_cipher_apply_rule(0, 0, SSL_aECDH, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
- &tail);
/*
* ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1,
* &head, &tail);
&tail);
ssl_cipher_apply_rule(0, SSL_kPSK, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
&tail);
- ssl_cipher_apply_rule(0, SSL_kKRB5, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
- &tail);
/* RC4 is sort-of broken -- move the the end */
ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head,
return NULL;
}
+ /*
+ * Partially overrule strength sort to prefer TLS 1.2 ciphers/PRFs.
+ * TODO(openssl-team): is there an easier way to accomplish all this?
+ */
+ ssl_cipher_apply_rule(0, 0, 0, 0, 0, TLS1_2_VERSION, 0, CIPHER_BUMP, -1,
+ &head, &tail);
+
+ /*
+ * Irrespective of strength, enforce the following order:
+ * (EC)DHE + AEAD > (EC)DHE > rest of AEAD > rest.
+ * Within each group, ciphers remain sorted by strength and previous
+ * preference, i.e.,
+ * 1) ECDHE > DHE
+ * 2) GCM > CHACHA
+ * 3) AES > rest
+ * 4) TLS 1.2 > legacy
+ *
+ * Because we now bump ciphers to the top of the list, we proceed in
+ * reverse order of preference.
+ */
+ ssl_cipher_apply_rule(0, 0, 0, 0, SSL_AEAD, 0, 0, CIPHER_BUMP, -1,
+ &head, &tail);
+ ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, 0, 0, 0,
+ CIPHER_BUMP, -1, &head, &tail);
+ ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, SSL_AEAD, 0, 0,
+ CIPHER_BUMP, -1, &head, &tail);
+
/* Now disable everything (maintaining the ordering!) */
ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail);
* groups of cipher_aliases added together in one list (otherwise
* we would be happy with just the cipher_aliases table).
*/
- num_of_group_aliases = sizeof(cipher_aliases) / sizeof(SSL_CIPHER);
+ num_of_group_aliases = OSSL_NELEM(cipher_aliases);
num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1;
- ca_list = OPENSSL_malloc(sizeof(SSL_CIPHER *) * num_of_alias_max);
+ ca_list = OPENSSL_malloc(sizeof(*ca_list) * num_of_alias_max);
if (ca_list == NULL) {
OPENSSL_free(co_list);
SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE);
}
ssl_cipher_collect_aliases(ca_list, num_of_group_aliases,
disabled_mkey, disabled_auth, disabled_enc,
- disabled_mac, disabled_ssl, head);
+ disabled_mac, head);
/*
* If the rule_string begins with DEFAULT, apply the default rule
if (ok && (strlen(rule_p) > 0))
ok = ssl_cipher_process_rulestr(rule_p, &head, &tail, ca_list, c);
- OPENSSL_free((void *)ca_list); /* Not needed anymore */
+ OPENSSL_free(ca_list); /* Not needed anymore */
if (!ok) { /* Rule processing failure */
OPENSSL_free(co_list);
sk_SSL_CIPHER_free(cipherstack);
return NULL;
}
- if (*cipher_list != NULL)
- sk_SSL_CIPHER_free(*cipher_list);
+ sk_SSL_CIPHER_free(*cipher_list);
*cipher_list = cipherstack;
if (*cipher_list_by_id != NULL)
sk_SSL_CIPHER_free(*cipher_list_by_id);
char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len)
{
- int is_export, pkl, kl;
- const char *ver, *exp_str;
+ const char *ver;
const char *kx, *au, *enc, *mac;
- unsigned long alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl;
-#ifdef KSSL_DEBUG
- static const char *format =
- "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s AL=%lx/%lx/%lx/%lx/%lx\n";
-#else
+ uint32_t alg_mkey, alg_auth, alg_enc, alg_mac;
static const char *format =
- "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s\n";
-#endif /* KSSL_DEBUG */
+ "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s\n";
+
+ if (buf == NULL) {
+ len = 128;
+ buf = OPENSSL_malloc(len);
+ if (buf == NULL)
+ return NULL;
+ } else if (len < 128)
+ return NULL;
alg_mkey = cipher->algorithm_mkey;
alg_auth = cipher->algorithm_auth;
alg_enc = cipher->algorithm_enc;
alg_mac = cipher->algorithm_mac;
- alg_ssl = cipher->algorithm_ssl;
-
- is_export = SSL_C_IS_EXPORT(cipher);
- pkl = SSL_C_EXPORT_PKEYLENGTH(cipher);
- kl = SSL_C_EXPORT_KEYLENGTH(cipher);
- exp_str = is_export ? " export" : "";
- if (alg_ssl & SSL_SSLV3)
- ver = "SSLv3";
- else if (alg_ssl & SSL_TLSV1_2)
- ver = "TLSv1.2";
- else
- ver = "unknown";
+ ver = ssl_protocol_to_string(cipher->min_tls);
switch (alg_mkey) {
case SSL_kRSA:
- kx = is_export ? (pkl == 512 ? "RSA(512)" : "RSA(1024)") : "RSA";
- break;
- case SSL_kDHr:
- kx = "DH/RSA";
- break;
- case SSL_kDHd:
- kx = "DH/DSS";
- break;
- case SSL_kKRB5:
- kx = "KRB5";
+ kx = "RSA";
break;
case SSL_kDHE:
- kx = is_export ? (pkl == 512 ? "DH(512)" : "DH(1024)") : "DH";
- break;
- case SSL_kECDHr:
- kx = "ECDH/RSA";
- break;
- case SSL_kECDHe:
- kx = "ECDH/ECDSA";
+ kx = "DH";
break;
case SSL_kECDHE:
kx = "ECDH";
case SSL_kPSK:
kx = "PSK";
break;
+ case SSL_kRSAPSK:
+ kx = "RSAPSK";
+ break;
+ case SSL_kECDHEPSK:
+ kx = "ECDHEPSK";
+ break;
+ case SSL_kDHEPSK:
+ kx = "DHEPSK";
+ break;
case SSL_kSRP:
kx = "SRP";
break;
case SSL_aDSS:
au = "DSS";
break;
- case SSL_aDH:
- au = "DH";
- break;
- case SSL_aKRB5:
- au = "KRB5";
- break;
- case SSL_aECDH:
- au = "ECDH";
- break;
case SSL_aNULL:
au = "None";
break;
case SSL_aSRP:
au = "SRP";
break;
- case SSL_aGOST94:
- au = "GOST94";
- break;
case SSL_aGOST01:
au = "GOST01";
break;
+ /* New GOST ciphersuites have both SSL_aGOST12 and SSL_aGOST01 bits */
+ case (SSL_aGOST12 | SSL_aGOST01):
+ au = "GOST12";
+ break;
default:
au = "unknown";
break;
switch (alg_enc) {
case SSL_DES:
- enc = (is_export && kl == 5) ? "DES(40)" : "DES(56)";
+ enc = "DES(56)";
break;
case SSL_3DES:
enc = "3DES(168)";
break;
case SSL_RC4:
- enc = is_export ? (kl == 5 ? "RC4(40)" : "RC4(56)") : "RC4(128)";
+ enc = "RC4(128)";
break;
case SSL_RC2:
- enc = is_export ? (kl == 5 ? "RC2(40)" : "RC2(56)") : "RC2(128)";
+ enc = "RC2(128)";
break;
case SSL_IDEA:
enc = "IDEA(128)";
case SSL_AES256GCM:
enc = "AESGCM(256)";
break;
+ case SSL_AES128CCM:
+ enc = "AESCCM(128)";
+ break;
+ case SSL_AES256CCM:
+ enc = "AESCCM(256)";
+ break;
+ case SSL_AES128CCM8:
+ enc = "AESCCM8(128)";
+ break;
+ case SSL_AES256CCM8:
+ enc = "AESCCM8(256)";
+ break;
case SSL_CAMELLIA128:
enc = "Camellia(128)";
break;
enc = "SEED(128)";
break;
case SSL_eGOST2814789CNT:
+ case SSL_eGOST2814789CNT12:
enc = "GOST89(256)";
break;
+ case SSL_CHACHA20POLY1305:
+ enc = "CHACHA20/POLY1305(256)";
+ break;
default:
enc = "unknown";
break;
mac = "AEAD";
break;
case SSL_GOST89MAC:
+ case SSL_GOST89MAC12:
mac = "GOST89";
break;
case SSL_GOST94:
mac = "GOST94";
break;
+ case SSL_GOST12_256:
+ case SSL_GOST12_512:
+ mac = "GOST2012";
+ break;
default:
mac = "unknown";
break;
}
- if (buf == NULL) {
- len = 128;
- buf = OPENSSL_malloc(len);
- if (buf == NULL)
- return ("OPENSSL_malloc Error");
- } else if (len < 128)
- return ("Buffer too small");
+ BIO_snprintf(buf, len, format, cipher->name, ver, kx, au, enc, mac);
-#ifdef KSSL_DEBUG
- BIO_snprintf(buf, len, format, cipher->name, ver, kx, au, enc, mac,
- exp_str, alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl);
-#else
- BIO_snprintf(buf, len, format, cipher->name, ver, kx, au, enc, mac,
- exp_str);
-#endif /* KSSL_DEBUG */
return (buf);
}
-char *SSL_CIPHER_get_version(const SSL_CIPHER *c)
+const char *SSL_CIPHER_get_version(const SSL_CIPHER *c)
{
- int i;
-
if (c == NULL)
- return ("(NONE)");
- i = (int)(c->id >> 24L);
- if (i == 3)
- return ("TLSv1/SSLv3");
- else
- return ("unknown");
+ return "(NONE)";
+ return ssl_protocol_to_string(c->min_tls);
}
/* return the actual cipher being used */
if (c != NULL) {
if (alg_bits != NULL)
- *alg_bits = c->alg_bits;
- ret = c->strength_bits;
+ *alg_bits = (int) c->alg_bits;
+ ret = (int) c->strength_bits;
}
- return (ret);
+ return ret;
}
-unsigned long SSL_CIPHER_get_id(const SSL_CIPHER *c)
+uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c)
{
return c->id;
}
}
#ifdef OPENSSL_NO_COMP
-void *SSL_COMP_get_compression_methods(void)
+STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void)
{
return NULL;
}
-
-int SSL_COMP_add_compression_method(int id, void *cm)
+STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
+ *meths)
{
- return 1;
+ return meths;
}
-
-const char *SSL_COMP_get_name(const void *comp)
+void SSL_COMP_free_compression_methods(void)
{
- return NULL;
}
+int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm)
+{
+ return 1;
+}
+
#else
STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void)
{
{
SSL_COMP *comp;
- if (cm == NULL || cm->type == NID_undef)
+ if (cm == NULL || COMP_get_type(cm) == NID_undef)
return 1;
/*-
return 0;
}
- MemCheck_off();
- comp = (SSL_COMP *)OPENSSL_malloc(sizeof(SSL_COMP));
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
+ comp = OPENSSL_malloc(sizeof(*comp));
if (comp == NULL) {
- MemCheck_on();
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD, ERR_R_MALLOC_FAILURE);
return (1);
}
load_builtin_compressions();
if (ssl_comp_methods && sk_SSL_COMP_find(ssl_comp_methods, comp) >= 0) {
OPENSSL_free(comp);
- MemCheck_on();
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,
SSL_R_DUPLICATE_COMPRESSION_ID);
return (1);
- } else if ((ssl_comp_methods == NULL)
+ }
+ if ((ssl_comp_methods == NULL)
|| !sk_SSL_COMP_push(ssl_comp_methods, comp)) {
OPENSSL_free(comp);
- MemCheck_on();
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD, ERR_R_MALLOC_FAILURE);
return (1);
- } else {
- MemCheck_on();
- return (0);
}
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
+ return (0);
}
+#endif
const char *SSL_COMP_get_name(const COMP_METHOD *comp)
{
- if (comp)
- return comp->name;
+#ifndef OPENSSL_NO_COMP
+ return comp ? COMP_get_name(comp) : NULL;
+#else
return NULL;
-}
#endif
+}
+
/* For a cipher return the index corresponding to the certificate type */
int ssl_cipher_get_cert_index(const SSL_CIPHER *c)
{
- unsigned long alg_k, alg_a;
+ uint32_t alg_a;
- alg_k = c->algorithm_mkey;
alg_a = c->algorithm_auth;
- if (alg_k & (SSL_kECDHr | SSL_kECDHe)) {
- /*
- * we don't need to look at SSL_kECDHE since no certificate is needed
- * for anon ECDH and for authenticated ECDHE, the check for the auth
- * algorithm will set i correctly NOTE: For ECDH-RSA, we need an ECC
- * not an RSA cert but for ECDHE-RSA we need an RSA cert. Placing the
- * checks for SSL_kECDH before RSA checks ensures the correct cert is
- * chosen.
- */
+ if (alg_a & SSL_aECDSA)
return SSL_PKEY_ECC;
- } else if (alg_a & SSL_aECDSA)
- return SSL_PKEY_ECC;
- else if (alg_k & SSL_kDHr)
- return SSL_PKEY_DH_RSA;
- else if (alg_k & SSL_kDHd)
- return SSL_PKEY_DH_DSA;
else if (alg_a & SSL_aDSS)
return SSL_PKEY_DSA_SIGN;
else if (alg_a & SSL_aRSA)
return SSL_PKEY_RSA_ENC;
- else if (alg_a & SSL_aKRB5)
- /* VRS something else here? */
- return -1;
- else if (alg_a & SSL_aGOST94)
- return SSL_PKEY_GOST94;
+ else if (alg_a & SSL_aGOST12)
+ return SSL_PKEY_GOST_EC;
else if (alg_a & SSL_aGOST01)
return SSL_PKEY_GOST01;
+
return -1;
}
const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr)
{
- const SSL_CIPHER *c;
- c = ssl->method->get_cipher_by_char(ptr);
+ const SSL_CIPHER *c = ssl->method->get_cipher_by_char(ptr);
+
if (c == NULL || c->valid == 0)
return NULL;
return c;
{
return ssl->method->get_cipher_by_char(ptr);
}
+
+int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c)
+{
+ int i;
+ if (c == NULL)
+ return NID_undef;
+ i = ssl_cipher_info_lookup(ssl_cipher_table_cipher, c->algorithm_enc);
+ if (i == -1)
+ return NID_undef;
+ return ssl_cipher_table_cipher[i].nid;
+}
+
+int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c)
+{
+ int i = ssl_cipher_info_lookup(ssl_cipher_table_mac, c->algorithm_mac);
+
+ if (i == -1)
+ return NID_undef;
+ return ssl_cipher_table_mac[i].nid;
+}
+
+int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c)
+{
+ int i = ssl_cipher_info_lookup(ssl_cipher_table_kx, c->algorithm_mkey);
+
+ if (i == -1)
+ return NID_undef;
+ return ssl_cipher_table_kx[i].nid;
+}
+
+int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c)
+{
+ int i = ssl_cipher_info_lookup(ssl_cipher_table_auth, c->algorithm_auth);
+
+ if (i == -1)
+ return NID_undef;
+ return ssl_cipher_table_auth[i].nid;
+}
+
+int SSL_CIPHER_is_aead(const SSL_CIPHER *c)
+{
+ return (c->algorithm_mac & SSL_AEAD) ? 1 : 0;
+}
projects / openssl.git / blobdiff