contrib/hostapd/src/tls/tlsv1_common.h

   1 /*
   2  * TLSv1 common definitions
   3  * Copyright (c) 2006-2011, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #ifndef TLSV1_COMMON_H
  10 #define TLSV1_COMMON_H
  11
  12 #include "crypto/crypto.h"
  13
  14 #define TLS_VERSION_1 0x0301 /* TLSv1 */
  15 #define TLS_VERSION_1_1 0x0302 /* TLSv1.1 */
  16 #define TLS_VERSION_1_2 0x0303 /* TLSv1.2 */
  17 #ifdef CONFIG_TLSV12
  18 #define TLS_VERSION TLS_VERSION_1_2
  19 #else /* CONFIG_TLSV12 */
  20 #ifdef CONFIG_TLSV11
  21 #define TLS_VERSION TLS_VERSION_1_1
  22 #else /* CONFIG_TLSV11 */
  23 #define TLS_VERSION TLS_VERSION_1
  24 #endif /* CONFIG_TLSV11 */
  25 #endif /* CONFIG_TLSV12 */
  26 #define TLS_RANDOM_LEN 32
  27 #define TLS_PRE_MASTER_SECRET_LEN 48
  28 #define TLS_MASTER_SECRET_LEN 48
  29 #define TLS_SESSION_ID_MAX_LEN 32
  30 #define TLS_VERIFY_DATA_LEN 12
  31
  32 /* HandshakeType */
  33 enum {
  34         TLS_HANDSHAKE_TYPE_HELLO_REQUEST = 0,
  35         TLS_HANDSHAKE_TYPE_CLIENT_HELLO = 1,
  36         TLS_HANDSHAKE_TYPE_SERVER_HELLO = 2,
  37         TLS_HANDSHAKE_TYPE_NEW_SESSION_TICKET = 4 /* RFC 4507 */,
  38         TLS_HANDSHAKE_TYPE_CERTIFICATE = 11,
  39         TLS_HANDSHAKE_TYPE_SERVER_KEY_EXCHANGE = 12,
  40         TLS_HANDSHAKE_TYPE_CERTIFICATE_REQUEST = 13,
  41         TLS_HANDSHAKE_TYPE_SERVER_HELLO_DONE = 14,
  42         TLS_HANDSHAKE_TYPE_CERTIFICATE_VERIFY = 15,
  43         TLS_HANDSHAKE_TYPE_CLIENT_KEY_EXCHANGE = 16,
  44         TLS_HANDSHAKE_TYPE_FINISHED = 20,
  45         TLS_HANDSHAKE_TYPE_CERTIFICATE_URL = 21 /* RFC 4366 */,
  46         TLS_HANDSHAKE_TYPE_CERTIFICATE_STATUS = 22 /* RFC 4366 */
  47 };
  48
  49 /* CipherSuite */
  50 #define TLS_NULL_WITH_NULL_NULL                 0x0000 /* RFC 2246 */
  51 #define TLS_RSA_WITH_NULL_MD5                   0x0001 /* RFC 2246 */
  52 #define TLS_RSA_WITH_NULL_SHA                   0x0002 /* RFC 2246 */
  53 #define TLS_RSA_EXPORT_WITH_RC4_40_MD5          0x0003 /* RFC 2246 */
  54 #define TLS_RSA_WITH_RC4_128_MD5                0x0004 /* RFC 2246 */
  55 #define TLS_RSA_WITH_RC4_128_SHA                0x0005 /* RFC 2246 */
  56 #define TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5      0x0006 /* RFC 2246 */
  57 #define TLS_RSA_WITH_IDEA_CBC_SHA               0x0007 /* RFC 2246 */
  58 #define TLS_RSA_EXPORT_WITH_DES40_CBC_SHA       0x0008 /* RFC 2246 */
  59 #define TLS_RSA_WITH_DES_CBC_SHA                0x0009 /* RFC 2246 */
  60 #define TLS_RSA_WITH_3DES_EDE_CBC_SHA           0x000A /* RFC 2246 */
  61 #define TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA    0x000B /* RFC 2246 */
  62 #define TLS_DH_DSS_WITH_DES_CBC_SHA             0x000C /* RFC 2246 */
  63 #define TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA        0x000D /* RFC 2246 */
  64 #define TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA    0x000E /* RFC 2246 */
  65 #define TLS_DH_RSA_WITH_DES_CBC_SHA             0x000F /* RFC 2246 */
  66 #define TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA        0x0010 /* RFC 2246 */
  67 #define TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA   0x0011 /* RFC 2246 */
  68 #define TLS_DHE_DSS_WITH_DES_CBC_SHA            0x0012 /* RFC 2246 */
  69 #define TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA       0x0013 /* RFC 2246 */
  70 #define TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA   0x0014 /* RFC 2246 */
  71 #define TLS_DHE_RSA_WITH_DES_CBC_SHA            0x0015 /* RFC 2246 */
  72 #define TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA       0x0016 /* RFC 2246 */
  73 #define TLS_DH_anon_EXPORT_WITH_RC4_40_MD5      0x0017 /* RFC 2246 */
  74 #define TLS_DH_anon_WITH_RC4_128_MD5            0x0018 /* RFC 2246 */
  75 #define TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA   0x0019 /* RFC 2246 */
  76 #define TLS_DH_anon_WITH_DES_CBC_SHA            0x001A /* RFC 2246 */
  77 #define TLS_DH_anon_WITH_3DES_EDE_CBC_SHA       0x001B /* RFC 2246 */
  78 #define TLS_RSA_WITH_AES_128_CBC_SHA            0x002F /* RFC 3268 */
  79 #define TLS_DH_DSS_WITH_AES_128_CBC_SHA         0x0030 /* RFC 3268 */
  80 #define TLS_DH_RSA_WITH_AES_128_CBC_SHA         0x0031 /* RFC 3268 */
  81 #define TLS_DHE_DSS_WITH_AES_128_CBC_SHA        0x0032 /* RFC 3268 */
  82 #define TLS_DHE_RSA_WITH_AES_128_CBC_SHA        0x0033 /* RFC 3268 */
  83 #define TLS_DH_anon_WITH_AES_128_CBC_SHA        0x0034 /* RFC 3268 */
  84 #define TLS_RSA_WITH_AES_256_CBC_SHA            0x0035 /* RFC 3268 */
  85 #define TLS_DH_DSS_WITH_AES_256_CBC_SHA         0x0036 /* RFC 3268 */
  86 #define TLS_DH_RSA_WITH_AES_256_CBC_SHA         0x0037 /* RFC 3268 */
  87 #define TLS_DHE_DSS_WITH_AES_256_CBC_SHA        0x0038 /* RFC 3268 */
  88 #define TLS_DHE_RSA_WITH_AES_256_CBC_SHA        0x0039 /* RFC 3268 */
  89 #define TLS_DH_anon_WITH_AES_256_CBC_SHA        0x003A /* RFC 3268 */
  90 #define TLS_RSA_WITH_NULL_SHA256                0x003B /* RFC 5246 */
  91 #define TLS_RSA_WITH_AES_128_CBC_SHA256         0x003C /* RFC 5246 */
  92 #define TLS_RSA_WITH_AES_256_CBC_SHA256         0x003D /* RFC 5246 */
  93 #define TLS_DH_DSS_WITH_AES_128_CBC_SHA256      0x003E /* RFC 5246 */
  94 #define TLS_DH_RSA_WITH_AES_128_CBC_SHA256      0x003F /* RFC 5246 */
  95 #define TLS_DHE_DSS_WITH_AES_128_CBC_SHA256     0x0040 /* RFC 5246 */
  96 #define TLS_DHE_RSA_WITH_AES_128_CBC_SHA256     0x0067 /* RFC 5246 */
  97 #define TLS_DH_DSS_WITH_AES_256_CBC_SHA256      0x0068 /* RFC 5246 */
  98 #define TLS_DH_RSA_WITH_AES_256_CBC_SHA256      0x0069 /* RFC 5246 */
  99 #define TLS_DHE_DSS_WITH_AES_256_CBC_SHA256     0x006A /* RFC 5246 */
 100 #define TLS_DHE_RSA_WITH_AES_256_CBC_SHA256     0x006B /* RFC 5246 */
 101 #define TLS_DH_anon_WITH_AES_128_CBC_SHA256     0x006C /* RFC 5246 */
 102 #define TLS_DH_anon_WITH_AES_256_CBC_SHA256     0x006D /* RFC 5246 */
 103
 104 /* CompressionMethod */
 105 #define TLS_COMPRESSION_NULL 0
 106
 107 /* HashAlgorithm */
 108 enum {
 109         TLS_HASH_ALG_NONE = 0,
 110         TLS_HASH_ALG_MD5 = 1,
 111         TLS_HASH_ALG_SHA1 = 2,
 112         TLS_HASH_ALG_SHA224 = 3,
 113         TLS_HASH_ALG_SHA256 = 4,
 114         TLS_HASH_ALG_SHA384 = 5,
 115         TLS_HASH_ALG_SHA512 = 6
 116 };
 117
 118 /* SignatureAlgorithm */
 119 enum {
 120         TLS_SIGN_ALG_ANONYMOUS = 0,
 121         TLS_SIGN_ALG_RSA = 1,
 122         TLS_SIGN_ALG_DSA = 2,
 123         TLS_SIGN_ALG_ECDSA = 3,
 124 };
 125
 126 /* AlertLevel */
 127 #define TLS_ALERT_LEVEL_WARNING 1
 128 #define TLS_ALERT_LEVEL_FATAL 2
 129
 130 /* AlertDescription */
 131 #define TLS_ALERT_CLOSE_NOTIFY                  0
 132 #define TLS_ALERT_UNEXPECTED_MESSAGE            10
 133 #define TLS_ALERT_BAD_RECORD_MAC                20
 134 #define TLS_ALERT_DECRYPTION_FAILED             21
 135 #define TLS_ALERT_RECORD_OVERFLOW               22
 136 #define TLS_ALERT_DECOMPRESSION_FAILURE         30
 137 #define TLS_ALERT_HANDSHAKE_FAILURE             40
 138 #define TLS_ALERT_BAD_CERTIFICATE               42
 139 #define TLS_ALERT_UNSUPPORTED_CERTIFICATE       43
 140 #define TLS_ALERT_CERTIFICATE_REVOKED           44
 141 #define TLS_ALERT_CERTIFICATE_EXPIRED           45
 142 #define TLS_ALERT_CERTIFICATE_UNKNOWN           46
 143 #define TLS_ALERT_ILLEGAL_PARAMETER             47
 144 #define TLS_ALERT_UNKNOWN_CA                    48
 145 #define TLS_ALERT_ACCESS_DENIED                 49
 146 #define TLS_ALERT_DECODE_ERROR                  50
 147 #define TLS_ALERT_DECRYPT_ERROR                 51
 148 #define TLS_ALERT_EXPORT_RESTRICTION            60
 149 #define TLS_ALERT_PROTOCOL_VERSION              70
 150 #define TLS_ALERT_INSUFFICIENT_SECURITY         71
 151 #define TLS_ALERT_INTERNAL_ERROR                80
 152 #define TLS_ALERT_USER_CANCELED                 90
 153 #define TLS_ALERT_NO_RENEGOTIATION              100
 154 #define TLS_ALERT_UNSUPPORTED_EXTENSION         110 /* RFC 4366 */
 155 #define TLS_ALERT_CERTIFICATE_UNOBTAINABLE      111 /* RFC 4366 */
 156 #define TLS_ALERT_UNRECOGNIZED_NAME             112 /* RFC 4366 */
 157 #define TLS_ALERT_BAD_CERTIFICATE_STATUS_RESPONSE       113 /* RFC 4366 */
 158 #define TLS_ALERT_BAD_CERTIFICATE_HASH_VALUE    114 /* RFC 4366 */
 159
 160 /* ChangeCipherSpec */
 161 enum {
 162         TLS_CHANGE_CIPHER_SPEC = 1
 163 };
 164
 165 /* TLS Extensions */
 166 #define TLS_EXT_SERVER_NAME                     0 /* RFC 4366 */
 167 #define TLS_EXT_MAX_FRAGMENT_LENGTH             1 /* RFC 4366 */
 168 #define TLS_EXT_CLIENT_CERTIFICATE_URL          2 /* RFC 4366 */
 169 #define TLS_EXT_TRUSTED_CA_KEYS                 3 /* RFC 4366 */
 170 #define TLS_EXT_TRUNCATED_HMAC                  4 /* RFC 4366 */
 171 #define TLS_EXT_STATUS_REQUEST                  5 /* RFC 4366 */
 172 #define TLS_EXT_SESSION_TICKET                  35 /* RFC 4507 */
 173
 174 #define TLS_EXT_PAC_OPAQUE TLS_EXT_SESSION_TICKET /* EAP-FAST terminology */
 175
 176
 177 typedef enum {
 178         TLS_KEY_X_NULL,
 179         TLS_KEY_X_RSA,
 180         TLS_KEY_X_RSA_EXPORT,
 181         TLS_KEY_X_DH_DSS_EXPORT,
 182         TLS_KEY_X_DH_DSS,
 183         TLS_KEY_X_DH_RSA_EXPORT,
 184         TLS_KEY_X_DH_RSA,
 185         TLS_KEY_X_DHE_DSS_EXPORT,
 186         TLS_KEY_X_DHE_DSS,
 187         TLS_KEY_X_DHE_RSA_EXPORT,
 188         TLS_KEY_X_DHE_RSA,
 189         TLS_KEY_X_DH_anon_EXPORT,
 190         TLS_KEY_X_DH_anon
 191 } tls_key_exchange;
 192
 193 typedef enum {
 194         TLS_CIPHER_NULL,
 195         TLS_CIPHER_RC4_40,
 196         TLS_CIPHER_RC4_128,
 197         TLS_CIPHER_RC2_CBC_40,
 198         TLS_CIPHER_IDEA_CBC,
 199         TLS_CIPHER_DES40_CBC,
 200         TLS_CIPHER_DES_CBC,
 201         TLS_CIPHER_3DES_EDE_CBC,
 202         TLS_CIPHER_AES_128_CBC,
 203         TLS_CIPHER_AES_256_CBC
 204 } tls_cipher;
 205
 206 typedef enum {
 207         TLS_HASH_NULL,
 208         TLS_HASH_MD5,
 209         TLS_HASH_SHA,
 210         TLS_HASH_SHA256
 211 } tls_hash;
 212
 213 struct tls_cipher_suite {
 214         u16 suite;
 215         tls_key_exchange key_exchange;
 216         tls_cipher cipher;
 217         tls_hash hash;
 218 };
 219
 220 typedef enum {
 221         TLS_CIPHER_STREAM,
 222         TLS_CIPHER_BLOCK
 223 } tls_cipher_type;
 224
 225 struct tls_cipher_data {
 226         tls_cipher cipher;
 227         tls_cipher_type type;
 228         size_t key_material;
 229         size_t expanded_key_material;
 230         size_t block_size; /* also iv_size */
 231         enum crypto_cipher_alg alg;
 232 };
 233
 234
 235 struct tls_verify_hash {
 236         struct crypto_hash *md5_client;
 237         struct crypto_hash *sha1_client;
 238         struct crypto_hash *sha256_client;
 239         struct crypto_hash *md5_server;
 240         struct crypto_hash *sha1_server;
 241         struct crypto_hash *sha256_server;
 242         struct crypto_hash *md5_cert;
 243         struct crypto_hash *sha1_cert;
 244         struct crypto_hash *sha256_cert;
 245 };
 246
 247
 248 const struct tls_cipher_suite * tls_get_cipher_suite(u16 suite);
 249 const struct tls_cipher_data * tls_get_cipher_data(tls_cipher cipher);
 250 int tls_server_key_exchange_allowed(tls_cipher cipher);
 251 int tls_parse_cert(const u8 *buf, size_t len, struct crypto_public_key **pk);
 252 int tls_verify_hash_init(struct tls_verify_hash *verify);
 253 void tls_verify_hash_add(struct tls_verify_hash *verify, const u8 *buf,
 254                          size_t len);
 255 void tls_verify_hash_free(struct tls_verify_hash *verify);
 256 int tls_version_ok(u16 ver);
 257 const char * tls_version_str(u16 ver);
 258 int tls_prf(u16 ver, const u8 *secret, size_t secret_len, const char *label,
 259             const u8 *seed, size_t seed_len, u8 *out, size_t outlen);
 260
 261 #endif /* TLSV1_COMMON_H */