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158 lines
5.6 KiB
C
158 lines
5.6 KiB
C
/*
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* Table enumerating all implemented cipher suites
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* Part of public API.
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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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#include "ssl.h"
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#include "sslproto.h"
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/*
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* The ordering of cipher suites in this table must match the ordering in
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* the cipherSuites table in ssl3con.c.
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*
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* If new ECC cipher suites are added, also update the ssl3CipherSuite arrays
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* in ssl3ecc.c.
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*
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* Finally, update the ssl_V3_SUITES_IMPLEMENTED macro in sslimpl.h.
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*
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* The ordering is as follows:
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* * No-encryption cipher suites last
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* * Export/weak/obsolete cipher suites before no-encryption cipher suites
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* * Order by key exchange algorithm: ECDHE, then DHE, then ECDH, RSA.
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* * Within key agreement sections, order by symmetric encryption algorithm:
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* AES-128, then Camellia-128, then AES-256, then Camellia-256, then SEED,
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* then FIPS-3DES, then 3DES, then RC4. AES is commonly accepted as a
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* strong cipher internationally, and is often hardware-accelerated.
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* Camellia also has wide international support across standards
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* organizations. SEED is only recommended by the Korean government. 3DES
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* only provides 112 bits of security. RC4 is now deprecated or forbidden
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* by many standards organizations.
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* * Within symmetric algorithm sections, order by message authentication
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* algorithm: GCM, then HMAC-SHA1, then HMAC-SHA256, then HMAC-MD5.
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* * Within message authentication algorithm sections, order by asymmetric
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* signature algorithm: ECDSA, then RSA, then DSS.
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*
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* Exception: Because some servers ignore the high-order byte of the cipher
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* suite ID, we must be careful about adding cipher suites with IDs larger
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* than 0x00ff; see bug 946147. For these broken servers, the first four cipher
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* suites, with the MSB zeroed, look like:
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* TLS_KRB5_EXPORT_WITH_RC4_40_MD5 { 0x00,0x2B }
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* TLS_RSA_WITH_AES_128_CBC_SHA { 0x00,0x2F }
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* TLS_RSA_WITH_3DES_EDE_CBC_SHA { 0x00,0x0A }
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* TLS_RSA_WITH_DES_CBC_SHA { 0x00,0x09 }
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* The broken server only supports the third and fourth ones and will select
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* the third one.
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*/
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const PRUint16 SSL_ImplementedCiphers[] = {
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#ifdef NSS_ENABLE_ECC
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TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
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TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
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/* TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA must appear before
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* TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA to work around bug 946147.
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*/
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TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
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TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
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TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
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TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
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TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA,
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TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
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TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,
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TLS_ECDHE_RSA_WITH_RC4_128_SHA,
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#endif /* NSS_ENABLE_ECC */
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TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,
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TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
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TLS_DHE_DSS_WITH_AES_128_CBC_SHA,
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TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
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TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA,
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TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA,
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TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
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TLS_DHE_DSS_WITH_AES_256_CBC_SHA,
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TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,
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TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA,
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TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA,
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SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA,
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SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA,
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TLS_DHE_DSS_WITH_RC4_128_SHA,
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#ifdef NSS_ENABLE_ECC
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TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA,
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TLS_ECDH_RSA_WITH_AES_128_CBC_SHA,
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TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA,
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TLS_ECDH_RSA_WITH_AES_256_CBC_SHA,
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TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA,
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TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA,
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TLS_ECDH_ECDSA_WITH_RC4_128_SHA,
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TLS_ECDH_RSA_WITH_RC4_128_SHA,
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#endif /* NSS_ENABLE_ECC */
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TLS_RSA_WITH_AES_128_GCM_SHA256,
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TLS_RSA_WITH_AES_128_CBC_SHA,
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TLS_RSA_WITH_AES_128_CBC_SHA256,
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TLS_RSA_WITH_CAMELLIA_128_CBC_SHA,
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TLS_RSA_WITH_AES_256_CBC_SHA,
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TLS_RSA_WITH_AES_256_CBC_SHA256,
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TLS_RSA_WITH_CAMELLIA_256_CBC_SHA,
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TLS_RSA_WITH_SEED_CBC_SHA,
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SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA,
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SSL_RSA_WITH_3DES_EDE_CBC_SHA,
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SSL_RSA_WITH_RC4_128_SHA,
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SSL_RSA_WITH_RC4_128_MD5,
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/* 56-bit DES "domestic" cipher suites */
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SSL_DHE_RSA_WITH_DES_CBC_SHA,
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SSL_DHE_DSS_WITH_DES_CBC_SHA,
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SSL_RSA_FIPS_WITH_DES_CBC_SHA,
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SSL_RSA_WITH_DES_CBC_SHA,
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/* export ciphersuites with 1024-bit public key exchange keys */
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TLS_RSA_EXPORT1024_WITH_RC4_56_SHA,
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TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA,
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/* export ciphersuites with 512-bit public key exchange keys */
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SSL_RSA_EXPORT_WITH_RC4_40_MD5,
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SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5,
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/* ciphersuites with no encryption */
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#ifdef NSS_ENABLE_ECC
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TLS_ECDHE_ECDSA_WITH_NULL_SHA,
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TLS_ECDHE_RSA_WITH_NULL_SHA,
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TLS_ECDH_RSA_WITH_NULL_SHA,
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TLS_ECDH_ECDSA_WITH_NULL_SHA,
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#endif /* NSS_ENABLE_ECC */
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SSL_RSA_WITH_NULL_SHA,
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TLS_RSA_WITH_NULL_SHA256,
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SSL_RSA_WITH_NULL_MD5,
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/* SSL2 cipher suites. */
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SSL_EN_RC4_128_WITH_MD5,
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SSL_EN_RC2_128_CBC_WITH_MD5,
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SSL_EN_DES_192_EDE3_CBC_WITH_MD5, /* actually 112, not 192 */
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SSL_EN_DES_64_CBC_WITH_MD5,
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SSL_EN_RC4_128_EXPORT40_WITH_MD5,
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SSL_EN_RC2_128_CBC_EXPORT40_WITH_MD5,
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0
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};
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const PRUint16 SSL_NumImplementedCiphers =
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(sizeof SSL_ImplementedCiphers) / (sizeof SSL_ImplementedCiphers[0]) - 1;
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const PRUint16 *
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SSL_GetImplementedCiphers(void)
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{
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return SSL_ImplementedCiphers;
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}
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PRUint16
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SSL_GetNumImplementedCiphers(void)
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{
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return SSL_NumImplementedCiphers;
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}
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