ssl3.h 14 KB

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  1. /*
  2. * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
  3. * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
  4. *
  5. * Licensed under the OpenSSL license (the "License"). You may not use
  6. * this file except in compliance with the License. You can obtain a copy
  7. * in the file LICENSE in the source distribution or at
  8. * https://www.openssl.org/source/license.html
  9. */
  10. #ifndef HEADER_SSL3_H
  11. # define HEADER_SSL3_H
  12. # include <openssl/comp.h>
  13. # include <openssl/buffer.h>
  14. # include <openssl/evp.h>
  15. # include <openssl/ssl.h>
  16. #ifdef __cplusplus
  17. extern "C" {
  18. #endif
  19. /*
  20. * Signalling cipher suite value from RFC 5746
  21. * (TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
  22. */
  23. # define SSL3_CK_SCSV 0x030000FF
  24. /*
  25. * Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00
  26. * (TLS_FALLBACK_SCSV)
  27. */
  28. # define SSL3_CK_FALLBACK_SCSV 0x03005600
  29. # define SSL3_CK_RSA_NULL_MD5 0x03000001
  30. # define SSL3_CK_RSA_NULL_SHA 0x03000002
  31. # define SSL3_CK_RSA_RC4_40_MD5 0x03000003
  32. # define SSL3_CK_RSA_RC4_128_MD5 0x03000004
  33. # define SSL3_CK_RSA_RC4_128_SHA 0x03000005
  34. # define SSL3_CK_RSA_RC2_40_MD5 0x03000006
  35. # define SSL3_CK_RSA_IDEA_128_SHA 0x03000007
  36. # define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008
  37. # define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009
  38. # define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A
  39. # define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B
  40. # define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C
  41. # define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D
  42. # define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E
  43. # define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F
  44. # define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010
  45. # define SSL3_CK_DHE_DSS_DES_40_CBC_SHA 0x03000011
  46. # define SSL3_CK_EDH_DSS_DES_40_CBC_SHA SSL3_CK_DHE_DSS_DES_40_CBC_SHA
  47. # define SSL3_CK_DHE_DSS_DES_64_CBC_SHA 0x03000012
  48. # define SSL3_CK_EDH_DSS_DES_64_CBC_SHA SSL3_CK_DHE_DSS_DES_64_CBC_SHA
  49. # define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA 0x03000013
  50. # define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA SSL3_CK_DHE_DSS_DES_192_CBC3_SHA
  51. # define SSL3_CK_DHE_RSA_DES_40_CBC_SHA 0x03000014
  52. # define SSL3_CK_EDH_RSA_DES_40_CBC_SHA SSL3_CK_DHE_RSA_DES_40_CBC_SHA
  53. # define SSL3_CK_DHE_RSA_DES_64_CBC_SHA 0x03000015
  54. # define SSL3_CK_EDH_RSA_DES_64_CBC_SHA SSL3_CK_DHE_RSA_DES_64_CBC_SHA
  55. # define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA 0x03000016
  56. # define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA SSL3_CK_DHE_RSA_DES_192_CBC3_SHA
  57. # define SSL3_CK_ADH_RC4_40_MD5 0x03000017
  58. # define SSL3_CK_ADH_RC4_128_MD5 0x03000018
  59. # define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019
  60. # define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A
  61. # define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B
  62. /* a bundle of RFC standard cipher names, generated from ssl3_ciphers[] */
  63. # define SSL3_RFC_RSA_NULL_MD5 "TLS_RSA_WITH_NULL_MD5"
  64. # define SSL3_RFC_RSA_NULL_SHA "TLS_RSA_WITH_NULL_SHA"
  65. # define SSL3_RFC_RSA_DES_192_CBC3_SHA "TLS_RSA_WITH_3DES_EDE_CBC_SHA"
  66. # define SSL3_RFC_DHE_DSS_DES_192_CBC3_SHA "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA"
  67. # define SSL3_RFC_DHE_RSA_DES_192_CBC3_SHA "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA"
  68. # define SSL3_RFC_ADH_DES_192_CBC_SHA "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA"
  69. # define SSL3_RFC_RSA_IDEA_128_SHA "TLS_RSA_WITH_IDEA_CBC_SHA"
  70. # define SSL3_RFC_RSA_RC4_128_MD5 "TLS_RSA_WITH_RC4_128_MD5"
  71. # define SSL3_RFC_RSA_RC4_128_SHA "TLS_RSA_WITH_RC4_128_SHA"
  72. # define SSL3_RFC_ADH_RC4_128_MD5 "TLS_DH_anon_WITH_RC4_128_MD5"
  73. # define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5"
  74. # define SSL3_TXT_RSA_NULL_SHA "NULL-SHA"
  75. # define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5"
  76. # define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5"
  77. # define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA"
  78. # define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5"
  79. # define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA"
  80. # define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA"
  81. # define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA"
  82. # define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA"
  83. # define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA"
  84. # define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA"
  85. # define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA"
  86. # define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA"
  87. # define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA"
  88. # define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA"
  89. # define SSL3_TXT_DHE_DSS_DES_40_CBC_SHA "EXP-DHE-DSS-DES-CBC-SHA"
  90. # define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA "DHE-DSS-DES-CBC-SHA"
  91. # define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA "DHE-DSS-DES-CBC3-SHA"
  92. # define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA "EXP-DHE-RSA-DES-CBC-SHA"
  93. # define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA "DHE-RSA-DES-CBC-SHA"
  94. # define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA "DHE-RSA-DES-CBC3-SHA"
  95. /*
  96. * This next block of six "EDH" labels is for backward compatibility with
  97. * older versions of OpenSSL. New code should use the six "DHE" labels above
  98. * instead:
  99. */
  100. # define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA"
  101. # define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA"
  102. # define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA"
  103. # define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA"
  104. # define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA"
  105. # define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA"
  106. # define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5"
  107. # define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5"
  108. # define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA"
  109. # define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA"
  110. # define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA"
  111. # define SSL3_SSL_SESSION_ID_LENGTH 32
  112. # define SSL3_MAX_SSL_SESSION_ID_LENGTH 32
  113. # define SSL3_MASTER_SECRET_SIZE 48
  114. # define SSL3_RANDOM_SIZE 32
  115. # define SSL3_SESSION_ID_SIZE 32
  116. # define SSL3_RT_HEADER_LENGTH 5
  117. # define SSL3_HM_HEADER_LENGTH 4
  118. # ifndef SSL3_ALIGN_PAYLOAD
  119. /*
  120. * Some will argue that this increases memory footprint, but it's not
  121. * actually true. Point is that malloc has to return at least 64-bit aligned
  122. * pointers, meaning that allocating 5 bytes wastes 3 bytes in either case.
  123. * Suggested pre-gaping simply moves these wasted bytes from the end of
  124. * allocated region to its front, but makes data payload aligned, which
  125. * improves performance:-)
  126. */
  127. # define SSL3_ALIGN_PAYLOAD 8
  128. # else
  129. # if (SSL3_ALIGN_PAYLOAD&(SSL3_ALIGN_PAYLOAD-1))!=0
  130. # error "insane SSL3_ALIGN_PAYLOAD"
  131. # undef SSL3_ALIGN_PAYLOAD
  132. # endif
  133. # endif
  134. /*
  135. * This is the maximum MAC (digest) size used by the SSL library. Currently
  136. * maximum of 20 is used by SHA1, but we reserve for future extension for
  137. * 512-bit hashes.
  138. */
  139. # define SSL3_RT_MAX_MD_SIZE 64
  140. /*
  141. * Maximum block size used in all ciphersuites. Currently 16 for AES.
  142. */
  143. # define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16
  144. # define SSL3_RT_MAX_EXTRA (16384)
  145. /* Maximum plaintext length: defined by SSL/TLS standards */
  146. # define SSL3_RT_MAX_PLAIN_LENGTH 16384
  147. /* Maximum compression overhead: defined by SSL/TLS standards */
  148. # define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024
  149. /*
  150. * The standards give a maximum encryption overhead of 1024 bytes. In
  151. * practice the value is lower than this. The overhead is the maximum number
  152. * of padding bytes (256) plus the mac size.
  153. */
  154. # define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE)
  155. # define SSL3_RT_MAX_TLS13_ENCRYPTED_OVERHEAD 256
  156. /*
  157. * OpenSSL currently only uses a padding length of at most one block so the
  158. * send overhead is smaller.
  159. */
  160. # define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
  161. (SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE)
  162. /* If compression isn't used don't include the compression overhead */
  163. # ifdef OPENSSL_NO_COMP
  164. # define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH
  165. # else
  166. # define SSL3_RT_MAX_COMPRESSED_LENGTH \
  167. (SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD)
  168. # endif
  169. # define SSL3_RT_MAX_ENCRYPTED_LENGTH \
  170. (SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH)
  171. # define SSL3_RT_MAX_TLS13_ENCRYPTED_LENGTH \
  172. (SSL3_RT_MAX_PLAIN_LENGTH + SSL3_RT_MAX_TLS13_ENCRYPTED_OVERHEAD)
  173. # define SSL3_RT_MAX_PACKET_SIZE \
  174. (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)
  175. # define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54"
  176. # define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52"
  177. # define SSL3_VERSION 0x0300
  178. # define SSL3_VERSION_MAJOR 0x03
  179. # define SSL3_VERSION_MINOR 0x00
  180. # define SSL3_RT_CHANGE_CIPHER_SPEC 20
  181. # define SSL3_RT_ALERT 21
  182. # define SSL3_RT_HANDSHAKE 22
  183. # define SSL3_RT_APPLICATION_DATA 23
  184. # define DTLS1_RT_HEARTBEAT 24
  185. /* Pseudo content types to indicate additional parameters */
  186. # define TLS1_RT_CRYPTO 0x1000
  187. # define TLS1_RT_CRYPTO_PREMASTER (TLS1_RT_CRYPTO | 0x1)
  188. # define TLS1_RT_CRYPTO_CLIENT_RANDOM (TLS1_RT_CRYPTO | 0x2)
  189. # define TLS1_RT_CRYPTO_SERVER_RANDOM (TLS1_RT_CRYPTO | 0x3)
  190. # define TLS1_RT_CRYPTO_MASTER (TLS1_RT_CRYPTO | 0x4)
  191. # define TLS1_RT_CRYPTO_READ 0x0000
  192. # define TLS1_RT_CRYPTO_WRITE 0x0100
  193. # define TLS1_RT_CRYPTO_MAC (TLS1_RT_CRYPTO | 0x5)
  194. # define TLS1_RT_CRYPTO_KEY (TLS1_RT_CRYPTO | 0x6)
  195. # define TLS1_RT_CRYPTO_IV (TLS1_RT_CRYPTO | 0x7)
  196. # define TLS1_RT_CRYPTO_FIXED_IV (TLS1_RT_CRYPTO | 0x8)
  197. /* Pseudo content types for SSL/TLS header info */
  198. # define SSL3_RT_HEADER 0x100
  199. # define SSL3_RT_INNER_CONTENT_TYPE 0x101
  200. # define SSL3_AL_WARNING 1
  201. # define SSL3_AL_FATAL 2
  202. # define SSL3_AD_CLOSE_NOTIFY 0
  203. # define SSL3_AD_UNEXPECTED_MESSAGE 10/* fatal */
  204. # define SSL3_AD_BAD_RECORD_MAC 20/* fatal */
  205. # define SSL3_AD_DECOMPRESSION_FAILURE 30/* fatal */
  206. # define SSL3_AD_HANDSHAKE_FAILURE 40/* fatal */
  207. # define SSL3_AD_NO_CERTIFICATE 41
  208. # define SSL3_AD_BAD_CERTIFICATE 42
  209. # define SSL3_AD_UNSUPPORTED_CERTIFICATE 43
  210. # define SSL3_AD_CERTIFICATE_REVOKED 44
  211. # define SSL3_AD_CERTIFICATE_EXPIRED 45
  212. # define SSL3_AD_CERTIFICATE_UNKNOWN 46
  213. # define SSL3_AD_ILLEGAL_PARAMETER 47/* fatal */
  214. # define TLS1_HB_REQUEST 1
  215. # define TLS1_HB_RESPONSE 2
  216. # define SSL3_CT_RSA_SIGN 1
  217. # define SSL3_CT_DSS_SIGN 2
  218. # define SSL3_CT_RSA_FIXED_DH 3
  219. # define SSL3_CT_DSS_FIXED_DH 4
  220. # define SSL3_CT_RSA_EPHEMERAL_DH 5
  221. # define SSL3_CT_DSS_EPHEMERAL_DH 6
  222. # define SSL3_CT_FORTEZZA_DMS 20
  223. /*
  224. * SSL3_CT_NUMBER is used to size arrays and it must be large enough to
  225. * contain all of the cert types defined either for SSLv3 and TLSv1.
  226. */
  227. # define SSL3_CT_NUMBER 9
  228. /* No longer used as of OpenSSL 1.1.1 */
  229. # define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001
  230. /* Removed from OpenSSL 1.1.0 */
  231. # define TLS1_FLAGS_TLS_PADDING_BUG 0x0
  232. # define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010
  233. /* Set if we encrypt then mac instead of usual mac then encrypt */
  234. # define TLS1_FLAGS_ENCRYPT_THEN_MAC_READ 0x0100
  235. # define TLS1_FLAGS_ENCRYPT_THEN_MAC TLS1_FLAGS_ENCRYPT_THEN_MAC_READ
  236. /* Set if extended master secret extension received from peer */
  237. # define TLS1_FLAGS_RECEIVED_EXTMS 0x0200
  238. # define TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE 0x0400
  239. # define TLS1_FLAGS_STATELESS 0x0800
  240. # define SSL3_MT_HELLO_REQUEST 0
  241. # define SSL3_MT_CLIENT_HELLO 1
  242. # define SSL3_MT_SERVER_HELLO 2
  243. # define SSL3_MT_NEWSESSION_TICKET 4
  244. # define SSL3_MT_END_OF_EARLY_DATA 5
  245. # define SSL3_MT_ENCRYPTED_EXTENSIONS 8
  246. # define SSL3_MT_CERTIFICATE 11
  247. # define SSL3_MT_SERVER_KEY_EXCHANGE 12
  248. # define SSL3_MT_CERTIFICATE_REQUEST 13
  249. # define SSL3_MT_SERVER_DONE 14
  250. # define SSL3_MT_CERTIFICATE_VERIFY 15
  251. # define SSL3_MT_CLIENT_KEY_EXCHANGE 16
  252. # define SSL3_MT_FINISHED 20
  253. # define SSL3_MT_CERTIFICATE_STATUS 22
  254. # define SSL3_MT_KEY_UPDATE 24
  255. # ifndef OPENSSL_NO_NEXTPROTONEG
  256. # define SSL3_MT_NEXT_PROTO 67
  257. # endif
  258. # define SSL3_MT_MESSAGE_HASH 254
  259. # define DTLS1_MT_HELLO_VERIFY_REQUEST 3
  260. /* Dummy message type for handling CCS like a normal handshake message */
  261. # define SSL3_MT_CHANGE_CIPHER_SPEC 0x0101
  262. # define SSL3_MT_CCS 1
  263. /* These are used when changing over to a new cipher */
  264. # define SSL3_CC_READ 0x001
  265. # define SSL3_CC_WRITE 0x002
  266. # define SSL3_CC_CLIENT 0x010
  267. # define SSL3_CC_SERVER 0x020
  268. # define SSL3_CC_EARLY 0x040
  269. # define SSL3_CC_HANDSHAKE 0x080
  270. # define SSL3_CC_APPLICATION 0x100
  271. # define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
  272. # define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ)
  273. # define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ)
  274. # define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)
  275. #ifdef __cplusplus
  276. }
  277. #endif
  278. #endif