18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * TLSv1 common routines 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 58d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This program is free software; you can redistribute it and/or modify 68d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * it under the terms of the GNU General Public License version 2 as 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * published by the Free Software Foundation. 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Alternatively, this software may be distributed under the terms of BSD 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * license. 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * See README and COPYING for more details. 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "includes.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common.h" 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "x509v3.h" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "tlsv1_common.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * TODO: 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * RFC 2246 Section 9: Mandatory to implement TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Add support for commonly used cipher suites; don't bother with exportable 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * suites. 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const struct tls_cipher_suite tls_cipher_suites[] = { 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_NULL_WITH_NULL_NULL, TLS_KEY_X_NULL, TLS_CIPHER_NULL, 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_HASH_NULL }, 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_RSA_WITH_RC4_128_MD5, TLS_KEY_X_RSA, TLS_CIPHER_RC4_128, 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_HASH_MD5 }, 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_RSA_WITH_RC4_128_SHA, TLS_KEY_X_RSA, TLS_CIPHER_RC4_128, 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_HASH_SHA }, 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_RSA_WITH_DES_CBC_SHA, TLS_KEY_X_RSA, TLS_CIPHER_DES_CBC, 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_HASH_SHA }, 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_RSA_WITH_3DES_EDE_CBC_SHA, TLS_KEY_X_RSA, 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_CIPHER_3DES_EDE_CBC, TLS_HASH_SHA }, 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_DH_anon_WITH_RC4_128_MD5, TLS_KEY_X_DH_anon, 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_CIPHER_RC4_128, TLS_HASH_MD5 }, 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_DH_anon_WITH_DES_CBC_SHA, TLS_KEY_X_DH_anon, 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_CIPHER_DES_CBC, TLS_HASH_SHA }, 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_DH_anon_WITH_3DES_EDE_CBC_SHA, TLS_KEY_X_DH_anon, 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_CIPHER_3DES_EDE_CBC, TLS_HASH_SHA }, 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_RSA_WITH_AES_128_CBC_SHA, TLS_KEY_X_RSA, TLS_CIPHER_AES_128_CBC, 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_HASH_SHA }, 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_DH_anon_WITH_AES_128_CBC_SHA, TLS_KEY_X_DH_anon, 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_CIPHER_AES_128_CBC, TLS_HASH_SHA }, 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_RSA_WITH_AES_256_CBC_SHA, TLS_KEY_X_RSA, TLS_CIPHER_AES_256_CBC, 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_HASH_SHA }, 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_DH_anon_WITH_AES_256_CBC_SHA, TLS_KEY_X_DH_anon, 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt TLS_CIPHER_AES_256_CBC, TLS_HASH_SHA } 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define NUM_ELEMS(a) (sizeof(a) / sizeof((a)[0])) 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define NUM_TLS_CIPHER_SUITES NUM_ELEMS(tls_cipher_suites) 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const struct tls_cipher_data tls_ciphers[] = { 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_CIPHER_NULL, TLS_CIPHER_STREAM, 0, 0, 0, 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CRYPTO_CIPHER_NULL }, 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_CIPHER_IDEA_CBC, TLS_CIPHER_BLOCK, 16, 16, 8, 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CRYPTO_CIPHER_NULL }, 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_CIPHER_RC2_CBC_40, TLS_CIPHER_BLOCK, 5, 16, 0, 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CRYPTO_CIPHER_ALG_RC2 }, 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_CIPHER_RC4_40, TLS_CIPHER_STREAM, 5, 16, 0, 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CRYPTO_CIPHER_ALG_RC4 }, 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_CIPHER_RC4_128, TLS_CIPHER_STREAM, 16, 16, 0, 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CRYPTO_CIPHER_ALG_RC4 }, 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_CIPHER_DES40_CBC, TLS_CIPHER_BLOCK, 5, 8, 8, 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CRYPTO_CIPHER_ALG_DES }, 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_CIPHER_DES_CBC, TLS_CIPHER_BLOCK, 8, 8, 8, 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CRYPTO_CIPHER_ALG_DES }, 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_CIPHER_3DES_EDE_CBC, TLS_CIPHER_BLOCK, 24, 24, 8, 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CRYPTO_CIPHER_ALG_3DES }, 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_CIPHER_AES_128_CBC, TLS_CIPHER_BLOCK, 16, 16, 16, 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CRYPTO_CIPHER_ALG_AES }, 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { TLS_CIPHER_AES_256_CBC, TLS_CIPHER_BLOCK, 32, 32, 16, 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CRYPTO_CIPHER_ALG_AES } 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define NUM_TLS_CIPHER_DATA NUM_ELEMS(tls_ciphers) 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_get_cipher_suite - Get TLS cipher suite 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @suite: Cipher suite identifier 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to the cipher data or %NULL if not found 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst struct tls_cipher_suite * tls_get_cipher_suite(u16 suite) 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < NUM_TLS_CIPHER_SUITES; i++) 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (tls_cipher_suites[i].suite == suite) 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return &tls_cipher_suites[i]; 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst struct tls_cipher_data * tls_get_cipher_data(tls_cipher cipher) 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < NUM_TLS_CIPHER_DATA; i++) 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (tls_ciphers[i].cipher == cipher) 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return &tls_ciphers[i]; 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tls_server_key_exchange_allowed(tls_cipher cipher) 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct tls_cipher_suite *suite; 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* RFC 2246, Section 7.4.3 */ 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt suite = tls_get_cipher_suite(cipher); 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (suite == NULL) 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (suite->key_exchange) { 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case TLS_KEY_X_DHE_DSS: 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case TLS_KEY_X_DHE_DSS_EXPORT: 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case TLS_KEY_X_DHE_RSA: 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case TLS_KEY_X_DHE_RSA_EXPORT: 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case TLS_KEY_X_DH_anon_EXPORT: 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case TLS_KEY_X_DH_anon: 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case TLS_KEY_X_RSA_EXPORT: 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1 /* FIX: public key len > 512 bits */; 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * tls_parse_cert - Parse DER encoded X.509 certificate and get public key 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: ASN.1 DER encoded certificate 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Length of the buffer 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @pk: Buffer for returning the allocated public key 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This functions parses an ASN.1 DER encoded X.509 certificate and retrieves 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the public key from it. The caller is responsible for freeing the public key 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * by calling crypto_public_key_free(). 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tls_parse_cert(const u8 *buf, size_t len, struct crypto_public_key **pk) 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct x509_certificate *cert; 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_MSGDUMP, "TLSv1: Parse ASN.1 DER certificate", 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf, len); 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pk = crypto_public_key_from_cert(buf, len); 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*pk) 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cert = x509_certificate_parse(buf, len); 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cert == NULL) { 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "TLSv1: Failed to parse X.509 " 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "certificate"); 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * verify key usage (must allow encryption) 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * All certificate profiles, key and cryptographic formats are 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * defined by the IETF PKIX working group [PKIX]. When a key 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * usage extension is present, the digitalSignature bit must be 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * set for the key to be eligible for signing, as described 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * above, and the keyEncipherment bit must be present to allow 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * encryption, as described above. The keyAgreement bit must be 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * set on Diffie-Hellman certificates. (PKIX: RFC 3280) 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pk = crypto_public_key_import(cert->public_key, cert->public_key_len); 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt x509_certificate_free(cert); 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*pk == NULL) { 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "TLSv1: Failed to import " 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "server public key"); 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tls_verify_hash_init(struct tls_verify_hash *verify) 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tls_verify_hash_free(verify); 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->md5_client = crypto_hash_init(CRYPTO_HASH_ALG_MD5, NULL, 0); 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->md5_server = crypto_hash_init(CRYPTO_HASH_ALG_MD5, NULL, 0); 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->md5_cert = crypto_hash_init(CRYPTO_HASH_ALG_MD5, NULL, 0); 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->sha1_client = crypto_hash_init(CRYPTO_HASH_ALG_SHA1, NULL, 0); 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->sha1_server = crypto_hash_init(CRYPTO_HASH_ALG_SHA1, NULL, 0); 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->sha1_cert = crypto_hash_init(CRYPTO_HASH_ALG_SHA1, NULL, 0); 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (verify->md5_client == NULL || verify->md5_server == NULL || 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->md5_cert == NULL || verify->sha1_client == NULL || 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->sha1_server == NULL || verify->sha1_cert == NULL) { 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tls_verify_hash_free(verify); 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid tls_verify_hash_add(struct tls_verify_hash *verify, const u8 *buf, 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len) 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (verify->md5_client && verify->sha1_client) { 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_hash_update(verify->md5_client, buf, len); 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_hash_update(verify->sha1_client, buf, len); 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (verify->md5_server && verify->sha1_server) { 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_hash_update(verify->md5_server, buf, len); 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_hash_update(verify->sha1_server, buf, len); 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (verify->md5_cert && verify->sha1_cert) { 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_hash_update(verify->md5_cert, buf, len); 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_hash_update(verify->sha1_cert, buf, len); 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid tls_verify_hash_free(struct tls_verify_hash *verify) 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_hash_finish(verify->md5_client, NULL, NULL); 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_hash_finish(verify->md5_server, NULL, NULL); 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_hash_finish(verify->md5_cert, NULL, NULL); 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_hash_finish(verify->sha1_client, NULL, NULL); 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_hash_finish(verify->sha1_server, NULL, NULL); 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_hash_finish(verify->sha1_cert, NULL, NULL); 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->md5_client = NULL; 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->md5_server = NULL; 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->md5_cert = NULL; 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->sha1_client = NULL; 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->sha1_server = NULL; 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt verify->sha1_cert = NULL; 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 242