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252 lines
7.5 KiB
C
252 lines
7.5 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file contains prototypes for the public SSL functions.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __sslt_h_
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#define __sslt_h_
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#include "prtypes.h"
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typedef struct SSL3StatisticsStr {
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/* statistics from ssl3_SendClientHello (sch) */
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long sch_sid_cache_hits;
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long sch_sid_cache_misses;
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long sch_sid_cache_not_ok;
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/* statistics from ssl3_HandleServerHello (hsh) */
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long hsh_sid_cache_hits;
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long hsh_sid_cache_misses;
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long hsh_sid_cache_not_ok;
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/* statistics from ssl3_HandleClientHello (hch) */
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long hch_sid_cache_hits;
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long hch_sid_cache_misses;
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long hch_sid_cache_not_ok;
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/* statistics related to stateless resume */
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long sch_sid_stateless_resumes;
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long hsh_sid_stateless_resumes;
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long hch_sid_stateless_resumes;
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long hch_sid_ticket_parse_failures;
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} SSL3Statistics;
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/* Key Exchange algorithm values */
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typedef enum {
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ssl_kea_null = 0,
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ssl_kea_rsa = 1,
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ssl_kea_dh = 2,
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ssl_kea_fortezza = 3, /* deprecated, now unused */
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ssl_kea_ecdh = 4,
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ssl_kea_size /* number of ssl_kea_ algorithms */
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} SSLKEAType;
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/* The following defines are for backwards compatibility.
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** They will be removed in a forthcoming release to reduce namespace pollution.
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** programs that use the kt_ symbols should convert to the ssl_kt_ symbols
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** soon.
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*/
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#define kt_null ssl_kea_null
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#define kt_rsa ssl_kea_rsa
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#define kt_dh ssl_kea_dh
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#define kt_fortezza ssl_kea_fortezza /* deprecated, now unused */
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#define kt_ecdh ssl_kea_ecdh
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#define kt_kea_size ssl_kea_size
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/* Values of this enum match the SignatureAlgorithm enum from
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* https://tools.ietf.org/html/rfc5246#section-7.4.1.4.1 */
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typedef enum {
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ssl_sign_null = 0, /* "anonymous" in TLS */
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ssl_sign_rsa = 1,
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ssl_sign_dsa = 2,
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ssl_sign_ecdsa = 3
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} SSLSignType;
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/* Values of this enum match the HashAlgorithm enum from
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* https://tools.ietf.org/html/rfc5246#section-7.4.1.4.1 */
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typedef enum {
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/* ssl_hash_none is used internally to mean the pre-1.2 combination of MD5
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* and SHA1. The other values are only used in TLS 1.2. */
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ssl_hash_none = 0,
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ssl_hash_md5 = 1,
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ssl_hash_sha1 = 2,
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ssl_hash_sha224 = 3,
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ssl_hash_sha256 = 4,
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ssl_hash_sha384 = 5,
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ssl_hash_sha512 = 6
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} SSLHashType;
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typedef struct SSLSignatureAndHashAlgStr {
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SSLHashType hashAlg;
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SSLSignType sigAlg;
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} SSLSignatureAndHashAlg;
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typedef enum {
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ssl_auth_null = 0,
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ssl_auth_rsa = 1,
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ssl_auth_dsa = 2,
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ssl_auth_kea = 3,
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ssl_auth_ecdsa = 4
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} SSLAuthType;
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typedef enum {
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ssl_calg_null = 0,
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ssl_calg_rc4 = 1,
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ssl_calg_rc2 = 2,
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ssl_calg_des = 3,
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ssl_calg_3des = 4,
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ssl_calg_idea = 5,
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ssl_calg_fortezza = 6, /* deprecated, now unused */
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ssl_calg_aes = 7,
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ssl_calg_camellia = 8,
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ssl_calg_seed = 9,
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ssl_calg_aes_gcm = 10,
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ssl_calg_camellia_gcm = 11
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} SSLCipherAlgorithm;
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typedef enum {
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ssl_mac_null = 0,
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ssl_mac_md5 = 1,
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ssl_mac_sha = 2,
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ssl_hmac_md5 = 3, /* TLS HMAC version of mac_md5 */
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ssl_hmac_sha = 4, /* TLS HMAC version of mac_sha */
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ssl_hmac_sha256 = 5,
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ssl_mac_aead = 6
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} SSLMACAlgorithm;
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typedef enum {
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ssl_compression_null = 0,
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ssl_compression_deflate = 1 /* RFC 3749 */
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} SSLCompressionMethod;
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typedef struct SSLChannelInfoStr {
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PRUint32 length;
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PRUint16 protocolVersion;
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PRUint16 cipherSuite;
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/* server authentication info */
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PRUint32 authKeyBits;
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/* key exchange algorithm info */
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PRUint32 keaKeyBits;
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/* session info */
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PRUint32 creationTime; /* seconds since Jan 1, 1970 */
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PRUint32 lastAccessTime; /* seconds since Jan 1, 1970 */
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PRUint32 expirationTime; /* seconds since Jan 1, 1970 */
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PRUint32 sessionIDLength; /* up to 32 */
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PRUint8 sessionID [32];
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/* The following fields are added in NSS 3.12.5. */
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/* compression method info */
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const char * compressionMethodName;
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SSLCompressionMethod compressionMethod;
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} SSLChannelInfo;
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/* Preliminary channel info */
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#define ssl_preinfo_version (1U << 0)
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#define ssl_preinfo_cipher_suite (1U << 1)
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#define ssl_preinfo_all (ssl_preinfo_version|ssl_preinfo_cipher_suite)
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typedef struct SSLPreliminaryChannelInfoStr {
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/* This is set to the length of the struct. */
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PRUint32 length;
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/* A bitfield over SSLPreliminaryValueSet that describes which
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* preliminary values are set (see ssl_preinfo_*). */
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PRUint32 valuesSet;
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/* Protocol version: test (valuesSet & ssl_preinfo_version) */
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PRUint16 protocolVersion;
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/* Cipher suite: test (valuesSet & ssl_preinfo_cipher_suite) */
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PRUint16 cipherSuite;
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} SSLPreliminaryChannelInfo;
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typedef struct SSLCipherSuiteInfoStr {
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PRUint16 length;
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PRUint16 cipherSuite;
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/* Cipher Suite Name */
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const char * cipherSuiteName;
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/* server authentication info */
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const char * authAlgorithmName;
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SSLAuthType authAlgorithm;
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/* key exchange algorithm info */
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const char * keaTypeName;
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SSLKEAType keaType;
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/* symmetric encryption info */
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const char * symCipherName;
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SSLCipherAlgorithm symCipher;
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PRUint16 symKeyBits;
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PRUint16 symKeySpace;
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PRUint16 effectiveKeyBits;
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/* MAC info */
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/* AEAD ciphers don't have a MAC. For an AEAD cipher, macAlgorithmName
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* is "AEAD", macAlgorithm is ssl_mac_aead, and macBits is the length in
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* bits of the authentication tag. */
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const char * macAlgorithmName;
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SSLMACAlgorithm macAlgorithm;
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PRUint16 macBits;
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PRUintn isFIPS : 1;
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PRUintn isExportable : 1;
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PRUintn nonStandard : 1;
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PRUintn reservedBits :29;
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} SSLCipherSuiteInfo;
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typedef enum {
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ssl_variant_stream = 0,
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ssl_variant_datagram = 1
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} SSLProtocolVariant;
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typedef struct SSLVersionRangeStr {
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PRUint16 min;
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PRUint16 max;
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} SSLVersionRange;
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typedef enum {
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SSL_sni_host_name = 0,
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SSL_sni_type_total
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} SSLSniNameType;
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/* Supported extensions. */
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/* Update SSL_MAX_EXTENSIONS whenever a new extension type is added. */
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typedef enum {
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ssl_server_name_xtn = 0,
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ssl_cert_status_xtn = 5,
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#ifndef NSS_DISABLE_ECC
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ssl_elliptic_curves_xtn = 10,
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ssl_ec_point_formats_xtn = 11,
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#endif
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ssl_signature_algorithms_xtn = 13,
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ssl_use_srtp_xtn = 14,
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ssl_app_layer_protocol_xtn = 16,
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ssl_padding_xtn = 21,
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ssl_session_ticket_xtn = 35,
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ssl_next_proto_nego_xtn = 13172,
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ssl_renegotiation_info_xtn = 0xff01,
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ssl_tls13_draft_version_xtn = 0xff02 /* experimental number */
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} SSLExtensionType;
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#define SSL_MAX_EXTENSIONS 11 /* doesn't include ssl_padding_xtn. */
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typedef enum {
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ssl_dhe_group_none = 0,
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ssl_ff_dhe_2048_group = 1,
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ssl_ff_dhe_3072_group = 2,
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ssl_ff_dhe_4096_group = 3,
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ssl_ff_dhe_6144_group = 4,
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ssl_ff_dhe_8192_group = 5,
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ssl_dhe_group_max
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} SSLDHEGroupType;
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#endif /* __sslt_h_ */
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