xref: /dragonfly/contrib/wpa_supplicant/src/tls/tlsv1_common.h (revision 3a84a4273475ed07d0ab1c2dfeffdfedef35d9cd)
1 /*
2  * TLSv1 common definitions
3  * Copyright (c) 2006-2014, 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_SIGNATURE_ALGORITHMS              13 /* RFC 5246 */
173 #define TLS_EXT_STATUS_REQUEST_V2                 17 /* RFC 6961 */
174 #define TLS_EXT_SESSION_TICKET                              35 /* RFC 4507 */
175 
176 #define TLS_EXT_PAC_OPAQUE TLS_EXT_SESSION_TICKET /* EAP-FAST terminology */
177 
178 
179 typedef enum {
180           TLS_KEY_X_NULL,
181           TLS_KEY_X_RSA,
182           TLS_KEY_X_RSA_EXPORT,
183           TLS_KEY_X_DH_DSS_EXPORT,
184           TLS_KEY_X_DH_DSS,
185           TLS_KEY_X_DH_RSA_EXPORT,
186           TLS_KEY_X_DH_RSA,
187           TLS_KEY_X_DHE_DSS_EXPORT,
188           TLS_KEY_X_DHE_DSS,
189           TLS_KEY_X_DHE_RSA_EXPORT,
190           TLS_KEY_X_DHE_RSA,
191           TLS_KEY_X_DH_anon_EXPORT,
192           TLS_KEY_X_DH_anon
193 } tls_key_exchange;
194 
195 typedef enum {
196           TLS_CIPHER_NULL,
197           TLS_CIPHER_RC4_40,
198           TLS_CIPHER_RC4_128,
199           TLS_CIPHER_RC2_CBC_40,
200           TLS_CIPHER_IDEA_CBC,
201           TLS_CIPHER_DES40_CBC,
202           TLS_CIPHER_DES_CBC,
203           TLS_CIPHER_3DES_EDE_CBC,
204           TLS_CIPHER_AES_128_CBC,
205           TLS_CIPHER_AES_256_CBC
206 } tls_cipher;
207 
208 typedef enum {
209           TLS_HASH_NULL,
210           TLS_HASH_MD5,
211           TLS_HASH_SHA,
212           TLS_HASH_SHA256
213 } tls_hash;
214 
215 struct tls_cipher_suite {
216           u16 suite;
217           tls_key_exchange key_exchange;
218           tls_cipher cipher;
219           tls_hash hash;
220 };
221 
222 typedef enum {
223           TLS_CIPHER_STREAM,
224           TLS_CIPHER_BLOCK
225 } tls_cipher_type;
226 
227 struct tls_cipher_data {
228           tls_cipher cipher;
229           tls_cipher_type type;
230           size_t key_material;
231           size_t expanded_key_material;
232           size_t block_size; /* also iv_size */
233           enum crypto_cipher_alg alg;
234 };
235 
236 
237 struct tls_verify_hash {
238           struct crypto_hash *md5_client;
239           struct crypto_hash *sha1_client;
240           struct crypto_hash *sha256_client;
241           struct crypto_hash *md5_server;
242           struct crypto_hash *sha1_server;
243           struct crypto_hash *sha256_server;
244           struct crypto_hash *md5_cert;
245           struct crypto_hash *sha1_cert;
246           struct crypto_hash *sha256_cert;
247 };
248 
249 
250 const struct tls_cipher_suite * tls_get_cipher_suite(u16 suite);
251 const struct tls_cipher_data * tls_get_cipher_data(tls_cipher cipher);
252 int tls_server_key_exchange_allowed(tls_cipher cipher);
253 int tls_parse_cert(const u8 *buf, size_t len, struct crypto_public_key **pk);
254 int tls_verify_hash_init(struct tls_verify_hash *verify);
255 void tls_verify_hash_add(struct tls_verify_hash *verify, const u8 *buf,
256                                size_t len);
257 void tls_verify_hash_free(struct tls_verify_hash *verify);
258 int tls_version_ok(u16 ver);
259 const char * tls_version_str(u16 ver);
260 int tls_prf(u16 ver, const u8 *secret, size_t secret_len, const char *label,
261               const u8 *seed, size_t seed_len, u8 *out, size_t outlen);
262 int tlsv12_key_x_server_params_hash(u16 tls_version, u8 hash_Alg,
263                                             const u8 *client_random,
264                                             const u8 *server_random,
265                                             const u8 *server_params,
266                                             size_t server_params_len, u8 *hash);
267 int tls_key_x_server_params_hash(u16 tls_version, const u8 *client_random,
268                                          const u8 *server_random,
269                                          const u8 *server_params,
270                                          size_t server_params_len, u8 *hash);
271 int tls_verify_signature(u16 tls_version, struct crypto_public_key *pk,
272                                const u8 *data, size_t data_len,
273                                const u8 *pos, size_t len, u8 *alert);
274 
275 #endif /* TLSV1_COMMON_H */
276