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Unified Diff: net/ssl/ssl_cipher_suite_names.cc

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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Index: net/ssl/ssl_cipher_suite_names.cc
diff --git a/net/ssl/ssl_cipher_suite_names.cc b/net/ssl/ssl_cipher_suite_names.cc
deleted file mode 100644
index de3cff2987b70b3c4e51bf272bee29955353f860..0000000000000000000000000000000000000000
--- a/net/ssl/ssl_cipher_suite_names.cc
+++ /dev/null
@@ -1,394 +0,0 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "net/ssl/ssl_cipher_suite_names.h"
-
-#include <stdlib.h>
-
-#include "base/logging.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_util.h"
-#include "net/ssl/ssl_connection_status_flags.h"
-
-// Rather than storing the names of all the ciphersuites we eliminate the
-// redundancy and break each cipher suite into a key exchange method, cipher
-// and mac. For all the ciphersuites in the IANA registry, we extract each of
-// those components from the name, number them and pack the result into a
-// 16-bit number thus:
-// (MSB to LSB)
-// <3 bits> unused
-// <5 bits> key exchange
-// <5 bits> cipher
-// <3 bits> mac
-
-// The following tables were generated by ssl_cipher_suite_names_generate.go,
-// found in the same directory as this file.
-
-struct CipherSuite {
- uint16 cipher_suite, encoded;
-};
-
-static const struct CipherSuite kCipherSuites[] = {
- {0x0, 0x0}, // TLS_NULL_WITH_NULL_NULL
- {0x1, 0x101}, // TLS_RSA_WITH_NULL_MD5
- {0x2, 0x102}, // TLS_RSA_WITH_NULL_SHA
- {0x3, 0x209}, // TLS_RSA_EXPORT_WITH_RC4_40_MD5
- {0x4, 0x111}, // TLS_RSA_WITH_RC4_128_MD5
- {0x5, 0x112}, // TLS_RSA_WITH_RC4_128_SHA
- {0x6, 0x219}, // TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5
- {0x7, 0x122}, // TLS_RSA_WITH_IDEA_CBC_SHA
- {0x8, 0x22a}, // TLS_RSA_EXPORT_WITH_DES40_CBC_SHA
- {0x9, 0x132}, // TLS_RSA_WITH_DES_CBC_SHA
- {0xa, 0x13a}, // TLS_RSA_WITH_3DES_EDE_CBC_SHA
- {0xb, 0x32a}, // TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA
- {0xc, 0x432}, // TLS_DH_DSS_WITH_DES_CBC_SHA
- {0xd, 0x43a}, // TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA
- {0xe, 0x52a}, // TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA
- {0xf, 0x632}, // TLS_DH_RSA_WITH_DES_CBC_SHA
- {0x10, 0x63a}, // TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA
- {0x11, 0x72a}, // TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA
- {0x12, 0x832}, // TLS_DHE_DSS_WITH_DES_CBC_SHA
- {0x13, 0x83a}, // TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA
- {0x14, 0x92a}, // TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA
- {0x15, 0xa32}, // TLS_DHE_RSA_WITH_DES_CBC_SHA
- {0x16, 0xa3a}, // TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
- {0x17, 0xb09}, // TLS_DH_anon_EXPORT_WITH_RC4_40_MD5
- {0x18, 0xc11}, // TLS_DH_anon_WITH_RC4_128_MD5
- {0x19, 0xb2a}, // TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA
- {0x1a, 0xc32}, // TLS_DH_anon_WITH_DES_CBC_SHA
- {0x1b, 0xc3a}, // TLS_DH_anon_WITH_3DES_EDE_CBC_SHA
- {0x2f, 0x142}, // TLS_RSA_WITH_AES_128_CBC_SHA
- {0x30, 0x442}, // TLS_DH_DSS_WITH_AES_128_CBC_SHA
- {0x31, 0x642}, // TLS_DH_RSA_WITH_AES_128_CBC_SHA
- {0x32, 0x842}, // TLS_DHE_DSS_WITH_AES_128_CBC_SHA
- {0x33, 0xa42}, // TLS_DHE_RSA_WITH_AES_128_CBC_SHA
- {0x34, 0xc42}, // TLS_DH_anon_WITH_AES_128_CBC_SHA
- {0x35, 0x14a}, // TLS_RSA_WITH_AES_256_CBC_SHA
- {0x36, 0x44a}, // TLS_DH_DSS_WITH_AES_256_CBC_SHA
- {0x37, 0x64a}, // TLS_DH_RSA_WITH_AES_256_CBC_SHA
- {0x38, 0x84a}, // TLS_DHE_DSS_WITH_AES_256_CBC_SHA
- {0x39, 0xa4a}, // TLS_DHE_RSA_WITH_AES_256_CBC_SHA
- {0x3a, 0xc4a}, // TLS_DH_anon_WITH_AES_256_CBC_SHA
- {0x3b, 0x103}, // TLS_RSA_WITH_NULL_SHA256
- {0x3c, 0x143}, // TLS_RSA_WITH_AES_128_CBC_SHA256
- {0x3d, 0x14b}, // TLS_RSA_WITH_AES_256_CBC_SHA256
- {0x3e, 0x443}, // TLS_DH_DSS_WITH_AES_128_CBC_SHA256
- {0x3f, 0x643}, // TLS_DH_RSA_WITH_AES_128_CBC_SHA256
- {0x40, 0x843}, // TLS_DHE_DSS_WITH_AES_128_CBC_SHA256
- {0x41, 0x152}, // TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
- {0x42, 0x452}, // TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA
- {0x43, 0x652}, // TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA
- {0x44, 0x852}, // TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA
- {0x45, 0xa52}, // TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
- {0x46, 0xc52}, // TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA
- {0x67, 0xa43}, // TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
- {0x68, 0x44b}, // TLS_DH_DSS_WITH_AES_256_CBC_SHA256
- {0x69, 0x64b}, // TLS_DH_RSA_WITH_AES_256_CBC_SHA256
- {0x6a, 0x84b}, // TLS_DHE_DSS_WITH_AES_256_CBC_SHA256
- {0x6b, 0xa4b}, // TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
- {0x6c, 0xc43}, // TLS_DH_anon_WITH_AES_128_CBC_SHA256
- {0x6d, 0xc4b}, // TLS_DH_anon_WITH_AES_256_CBC_SHA256
- {0x84, 0x15a}, // TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
- {0x85, 0x45a}, // TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA
- {0x86, 0x65a}, // TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA
- {0x87, 0x85a}, // TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA
- {0x88, 0xa5a}, // TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
- {0x89, 0xc5a}, // TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA
- {0x96, 0x162}, // TLS_RSA_WITH_SEED_CBC_SHA
- {0x97, 0x462}, // TLS_DH_DSS_WITH_SEED_CBC_SHA
- {0x98, 0x662}, // TLS_DH_RSA_WITH_SEED_CBC_SHA
- {0x99, 0x862}, // TLS_DHE_DSS_WITH_SEED_CBC_SHA
- {0x9a, 0xa62}, // TLS_DHE_RSA_WITH_SEED_CBC_SHA
- {0x9b, 0xc62}, // TLS_DH_anon_WITH_SEED_CBC_SHA
- {0x9c, 0x16f}, // TLS_RSA_WITH_AES_128_GCM_SHA256
- {0x9d, 0x177}, // TLS_RSA_WITH_AES_256_GCM_SHA384
- {0x9e, 0xa6f}, // TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
- {0x9f, 0xa77}, // TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
- {0xa0, 0x66f}, // TLS_DH_RSA_WITH_AES_128_GCM_SHA256
- {0xa1, 0x677}, // TLS_DH_RSA_WITH_AES_256_GCM_SHA384
- {0xa2, 0x86f}, // TLS_DHE_DSS_WITH_AES_128_GCM_SHA256
- {0xa3, 0x877}, // TLS_DHE_DSS_WITH_AES_256_GCM_SHA384
- {0xa4, 0x46f}, // TLS_DH_DSS_WITH_AES_128_GCM_SHA256
- {0xa5, 0x477}, // TLS_DH_DSS_WITH_AES_256_GCM_SHA384
- {0xa6, 0xc6f}, // TLS_DH_anon_WITH_AES_128_GCM_SHA256
- {0xa7, 0xc77}, // TLS_DH_anon_WITH_AES_256_GCM_SHA384
- {0xba, 0x153}, // TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
- {0xbb, 0x453}, // TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256
- {0xbc, 0x653}, // TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256
- {0xbd, 0x853}, // TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256
- {0xbe, 0xa53}, // TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
- {0xbf, 0xc53}, // TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256
- {0xc0, 0x15b}, // TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
- {0xc1, 0x45b}, // TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256
- {0xc2, 0x65b}, // TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256
- {0xc3, 0x85b}, // TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256
- {0xc4, 0xa5b}, // TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
- {0xc5, 0xc5b}, // TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256
- {0xc001, 0xd02}, // TLS_ECDH_ECDSA_WITH_NULL_SHA
- {0xc002, 0xd12}, // TLS_ECDH_ECDSA_WITH_RC4_128_SHA
- {0xc003, 0xd3a}, // TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
- {0xc004, 0xd42}, // TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
- {0xc005, 0xd4a}, // TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
- {0xc006, 0xe02}, // TLS_ECDHE_ECDSA_WITH_NULL_SHA
- {0xc007, 0xe12}, // TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
- {0xc008, 0xe3a}, // TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
- {0xc009, 0xe42}, // TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
- {0xc00a, 0xe4a}, // TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
- {0xc00b, 0xf02}, // TLS_ECDH_RSA_WITH_NULL_SHA
- {0xc00c, 0xf12}, // TLS_ECDH_RSA_WITH_RC4_128_SHA
- {0xc00d, 0xf3a}, // TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
- {0xc00e, 0xf42}, // TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
- {0xc00f, 0xf4a}, // TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
- {0xc010, 0x1002}, // TLS_ECDHE_RSA_WITH_NULL_SHA
- {0xc011, 0x1012}, // TLS_ECDHE_RSA_WITH_RC4_128_SHA
- {0xc012, 0x103a}, // TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
- {0xc013, 0x1042}, // TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
- {0xc014, 0x104a}, // TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
- {0xc015, 0x1102}, // TLS_ECDH_anon_WITH_NULL_SHA
- {0xc016, 0x1112}, // TLS_ECDH_anon_WITH_RC4_128_SHA
- {0xc017, 0x113a}, // TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA
- {0xc018, 0x1142}, // TLS_ECDH_anon_WITH_AES_128_CBC_SHA
- {0xc019, 0x114a}, // TLS_ECDH_anon_WITH_AES_256_CBC_SHA
- {0xc023, 0xe43}, // TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
- {0xc024, 0xe4c}, // TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
- {0xc025, 0xd43}, // TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
- {0xc026, 0xd4c}, // TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
- {0xc027, 0x1043}, // TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
- {0xc028, 0x104c}, // TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
- {0xc029, 0xf43}, // TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
- {0xc02a, 0xf4c}, // TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
- {0xc02b, 0xe6f}, // TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
- {0xc02c, 0xe77}, // TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
- {0xc02d, 0xd6f}, // TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
- {0xc02e, 0xd77}, // TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
- {0xc02f, 0x106f}, // TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
- {0xc030, 0x1077}, // TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
- {0xc031, 0xf6f}, // TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
- {0xc032, 0xf77}, // TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
- {0xc072, 0xe53}, // TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
- {0xc073, 0xe5c}, // TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
- {0xc074, 0xd53}, // TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
- {0xc075, 0xd5c}, // TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
- {0xc076, 0x1053}, // TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
- {0xc077, 0x105c}, // TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384
- {0xc078, 0xf53}, // TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256
- {0xc079, 0xf5c}, // TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384
- {0xc07a, 0x17f}, // TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256
- {0xc07b, 0x187}, // TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384
- {0xc07c, 0xa7f}, // TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
- {0xc07d, 0xa87}, // TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
- {0xc07e, 0x67f}, // TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256
- {0xc07f, 0x687}, // TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384
- {0xc080, 0x87f}, // TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256
- {0xc081, 0x887}, // TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384
- {0xc082, 0x47f}, // TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256
- {0xc083, 0x487}, // TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384
- {0xc084, 0xc7f}, // TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256
- {0xc085, 0xc87}, // TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384
- {0xc086, 0xe7f}, // TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
- {0xc087, 0xe87}, // TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
- {0xc088, 0xd7f}, // TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
- {0xc089, 0xd87}, // TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
- {0xc08a, 0x107f}, // TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
- {0xc08b, 0x1087}, // TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
- {0xc08c, 0xf7f}, // TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256
- {0xc08d, 0xf87}, // TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384
- {0xcc13, 0x108f}, // TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305
- {0xcc14, 0x0e8f}, // TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305
- {0xcc15, 0x0a8f}, // TLS_DHE_RSA_WITH_CHACHA20_POLY1305
-};
-
-static const struct {
- char name[15];
-} kKeyExchangeNames[18] = {
- {"NULL"}, // 0
- {"RSA"}, // 1
- {"RSA_EXPORT"}, // 2
- {"DH_DSS_EXPORT"}, // 3
- {"DH_DSS"}, // 4
- {"DH_RSA_EXPORT"}, // 5
- {"DH_RSA"}, // 6
- {"DHE_DSS_EXPORT"}, // 7
- {"DHE_DSS"}, // 8
- {"DHE_RSA_EXPORT"}, // 9
- {"DHE_RSA"}, // 10
- {"DH_anon_EXPORT"}, // 11
- {"DH_anon"}, // 12
- {"ECDH_ECDSA"}, // 13
- {"ECDHE_ECDSA"}, // 14
- {"ECDH_RSA"}, // 15
- {"ECDHE_RSA"}, // 16
- {"ECDH_anon"}, // 17
-};
-
-static const struct {
- char name[18];
-} kCipherNames[18] = {
- {"NULL"}, // 0
- {"RC4_40"}, // 1
- {"RC4_128"}, // 2
- {"RC2_CBC_40"}, // 3
- {"IDEA_CBC"}, // 4
- {"DES40_CBC"}, // 5
- {"DES_CBC"}, // 6
- {"3DES_EDE_CBC"}, // 7
- {"AES_128_CBC"}, // 8
- {"AES_256_CBC"}, // 9
- {"CAMELLIA_128_CBC"}, // 10
- {"CAMELLIA_256_CBC"}, // 11
- {"SEED_CBC"}, // 12
- {"AES_128_GCM"}, // 13
- {"AES_256_GCM"}, // 14
- {"CAMELLIA_128_GCM"}, // 15
- {"CAMELLIA_256_GCM"}, // 16
- {"CHACHA20_POLY1305"}, // 17
-};
-
-static const struct {
- char name[7];
-} kMacNames[5] = {
- {"NULL"}, // 0
- {"MD5"}, // 1
- {"SHA1"}, // 2
- {"SHA256"}, // 3
- {"SHA384"}, // 4
- // 7 is reserved to indicate an AEAD cipher suite.
-};
-
-static const int kAEADMACValue = 7;
-
-namespace net {
-
-static int CipherSuiteCmp(const void* ia, const void* ib) {
- const CipherSuite* a = static_cast<const CipherSuite*>(ia);
- const CipherSuite* b = static_cast<const CipherSuite*>(ib);
-
- if (a->cipher_suite < b->cipher_suite) {
- return -1;
- } else if (a->cipher_suite == b->cipher_suite) {
- return 0;
- } else {
- return 1;
- }
-}
-
-void SSLCipherSuiteToStrings(const char** key_exchange_str,
- const char** cipher_str,
- const char** mac_str,
- bool *is_aead,
- uint16 cipher_suite) {
- *key_exchange_str = *cipher_str = *mac_str = "???";
- *is_aead = false;
-
- struct CipherSuite desired = {0};
- desired.cipher_suite = cipher_suite;
-
- void* r = bsearch(&desired, kCipherSuites,
- arraysize(kCipherSuites), sizeof(kCipherSuites[0]),
- CipherSuiteCmp);
-
- if (!r)
- return;
-
- const CipherSuite* cs = static_cast<CipherSuite*>(r);
-
- const int key_exchange = cs->encoded >> 8;
- const int cipher = (cs->encoded >> 3) & 0x1f;
- const int mac = cs->encoded & 0x7;
-
- *key_exchange_str = kKeyExchangeNames[key_exchange].name;
- *cipher_str = kCipherNames[cipher].name;
- if (mac == kAEADMACValue) {
- *is_aead = true;
- *mac_str = NULL;
- } else {
- *mac_str = kMacNames[mac].name;
- }
-}
-
-void SSLVersionToString(const char** name, int ssl_version) {
- switch (ssl_version) {
- case SSL_CONNECTION_VERSION_SSL2:
- *name = "SSL 2.0";
- break;
- case SSL_CONNECTION_VERSION_SSL3:
- *name = "SSL 3.0";
- break;
- case SSL_CONNECTION_VERSION_TLS1:
- *name = "TLS 1.0";
- break;
- case SSL_CONNECTION_VERSION_TLS1_1:
- *name = "TLS 1.1";
- break;
- case SSL_CONNECTION_VERSION_TLS1_2:
- *name = "TLS 1.2";
- break;
- case SSL_CONNECTION_VERSION_QUIC:
- *name = "QUIC";
- break;
- default:
- NOTREACHED() << ssl_version;
- *name = "???";
- break;
- }
-}
-
-bool ParseSSLCipherString(const std::string& cipher_string,
- uint16* cipher_suite) {
- int value = 0;
- if (cipher_string.size() == 6 &&
- StartsWithASCII(cipher_string, "0x", false /* case insensitive */) &&
- base::HexStringToInt(cipher_string, &value)) {
- *cipher_suite = static_cast<uint16>(value);
- return true;
- }
- return false;
-}
-
-bool IsSecureTLSCipherSuite(uint16 cipher_suite) {
- CipherSuite desired = {0};
- desired.cipher_suite = cipher_suite;
-
- void* r = bsearch(&desired,
- kCipherSuites,
- arraysize(kCipherSuites),
- sizeof(kCipherSuites[0]),
- CipherSuiteCmp);
-
- if (!r)
- return false;
-
- const CipherSuite* cs = static_cast<const CipherSuite*>(r);
-
- const int key_exchange = cs->encoded >> 8;
- const int cipher = (cs->encoded >> 3) & 0x1f;
- const int mac = cs->encoded & 0x7;
-
- // Only allow forward secure key exchanges.
- switch (key_exchange) {
- case 10: // DHE_RSA
- case 14: // ECDHE_ECDSA
- case 16: // ECDHE_RSA
- break;
- default:
- return false;
- }
-
- switch (cipher) {
- case 13: // AES_128_GCM
- case 14: // AES_256_GCM
- case 17: // CHACHA20_POLY1305
- break;
- default:
- return false;
- }
-
- // Only AEADs allowed.
- if (mac != kAEADMACValue)
- return false;
-
- return true;
-}
-
-} // namespace net
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