1 files changed, 311 insertions, 0 deletions
diff --git a/src/tls/tls_ciphersuite.cpp b/src/tls/tls_ciphersuite.cpp
new file mode 100644
index 000000000..26b52f749
--- /dev/null
+++ b/src/tls/tls_ciphersuite.cpp
@@ -0,0 +1,311 @@
+/*
+* TLS Cipher Suites
+* (C) 2004-2010,2012 Jack Lloyd
+*
+* Released under the terms of the Botan license
+*/
+
+#include <botan/tls_ciphersuite.h>
+#include <botan/tls_magic.h>
+#include <botan/parsing.h>
+#include <sstream>
+#include <stdexcept>
+
+namespace Botan {
+
+namespace TLS {
+
+/**
+* Convert an SSL/TLS ciphersuite to algorithm fields
+*/
+Ciphersuite Ciphersuite::lookup_ciphersuite(u16bit suite)
+   {
+   switch(static_cast<Ciphersuite_Code>(suite))
+      {
+      // RSA ciphersuites
+
+      case TLS_RSA_WITH_AES_128_CBC_SHA:
+         return Ciphersuite("RSA", "RSA", "SHA-1", "AES-128", 16);
+
+      case TLS_RSA_WITH_AES_256_CBC_SHA:
+         return Ciphersuite("RSA", "RSA", "SHA-1", "AES-256", 32);
+
+      case TLS_RSA_WITH_AES_128_CBC_SHA256:
+         return Ciphersuite("RSA", "RSA", "SHA-256", "AES-128", 16);
+
+      case TLS_RSA_WITH_AES_256_CBC_SHA256:
+         return Ciphersuite("RSA", "RSA", "SHA-256", "AES-256", 32);
+
+      case TLS_RSA_WITH_3DES_EDE_CBC_SHA:
+         return Ciphersuite("RSA", "RSA", "SHA-1", "3DES", 24);
+
+      case TLS_RSA_WITH_RC4_128_SHA:
+         return Ciphersuite("RSA", "RSA", "SHA-1", "ARC4", 16);
+
+      case TLS_RSA_WITH_RC4_128_MD5:
+         return Ciphersuite("RSA", "RSA", "MD5", "ARC4", 16);
+
+      case TLS_RSA_WITH_SEED_CBC_SHA:
+         return Ciphersuite("RSA", "RSA", "SHA-1", "SEED", 16);
+
+#if defined(BOTAN_HAS_IDEA)
+      case TLS_RSA_WITH_IDEA_CBC_SHA:
+         return Ciphersuite("RSA", "RSA", "SHA-1", "IDEA", 16);
+#endif
+
+      // DH/DSS ciphersuites
+
+      case TLS_DHE_DSS_WITH_AES_128_CBC_SHA:
+         return Ciphersuite("DSA", "DH", "SHA-1", "AES-128", 16);
+
+      case TLS_DHE_DSS_WITH_AES_256_CBC_SHA:
+         return Ciphersuite("DSA", "DH", "SHA-1", "AES-256", 32);
+
+      case TLS_DHE_DSS_WITH_AES_128_CBC_SHA256:
+         return Ciphersuite("DSA", "DH", "SHA-256", "AES-128", 16);
+
+      case TLS_DHE_DSS_WITH_AES_256_CBC_SHA256:
+         return Ciphersuite("DSA", "DH", "SHA-256", "AES-256", 32);
+
+      case TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA:
+         return Ciphersuite("DSA", "DH", "SHA-1", "3DES", 24);
+
+      case TLS_DHE_DSS_WITH_RC4_128_SHA:
+         return Ciphersuite("DSA", "DH", "SHA-1", "ARC4", 16);
+
+      case TLS_DHE_DSS_WITH_SEED_CBC_SHA:
+         return Ciphersuite("DSA", "DH", "SHA-1", "SEED", 16);
+
+      // DH/RSA ciphersuites
+
+      case TLS_DHE_RSA_WITH_AES_128_CBC_SHA:
+         return Ciphersuite("RSA", "DH", "SHA-1", "AES-128", 16);
+
+      case TLS_DHE_RSA_WITH_AES_256_CBC_SHA:
+         return Ciphersuite("RSA", "DH", "SHA-1", "AES-256", 32);
+
+      case TLS_DHE_RSA_WITH_AES_128_CBC_SHA256:
+         return Ciphersuite("RSA", "DH", "SHA-256", "AES-128", 16);
+
+      case TLS_DHE_RSA_WITH_AES_256_CBC_SHA256:
+         return Ciphersuite("RSA", "DH", "SHA-256", "AES-256", 32);
+
+      case TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA:
+         return Ciphersuite("RSA", "DH", "SHA-1", "3DES", 24);
+
+      case TLS_DHE_RSA_WITH_SEED_CBC_SHA:
+         return Ciphersuite("RSA", "DH", "SHA-1", "SEED", 16);
+
+      // ECDH/RSA ciphersuites
+      case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA:
+         return Ciphersuite("RSA", "ECDH", "SHA-1", "AES-128", 16);
+
+      case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA:
+         return Ciphersuite("RSA", "ECDH", "SHA-1", "AES-256", 32);
+
+      case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256:
+         return Ciphersuite("RSA", "ECDH", "SHA-256", "AES-128", 16);
+
+      case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384:
+         return Ciphersuite("RSA", "ECDH", "SHA-384", "AES-256", 32);
+
+      case TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA:
+         return Ciphersuite("RSA", "ECDH", "SHA-1", "3DES", 24);
+
+      case TLS_ECDHE_RSA_WITH_RC4_128_SHA:
+         return Ciphersuite("RSA", "ECDH", "SHA-1", "ARC4", 16);
+
+      // ECDH/ECDSA ciphersuites
+
+      case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA:
+         return Ciphersuite("ECDSA", "ECDH", "SHA-1", "AES-128", 16);
+
+      case TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA:
+         return Ciphersuite("ECDSA", "ECDH", "SHA-1", "AES-256", 32);
+
+      case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256:
+         return Ciphersuite("ECDSA", "ECDH", "SHA-256", "AES-128", 16);
+
+      case TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384:
+         return Ciphersuite("ECDSA", "ECDH", "SHA-384", "AES-256", 32);
+
+      case TLS_ECDHE_ECDSA_WITH_RC4_128_SHA:
+         return Ciphersuite("ECDSA", "ECDH", "SHA-1", "ARC4", 16);
+
+      case TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA:
+         return Ciphersuite("ECDSA", "ECDH", "SHA-1", "3DES", 24);
+
+      // PSK ciphersuites
+
+      case TLS_PSK_WITH_RC4_128_SHA:
+         return Ciphersuite("", "PSK", "SHA-1", "ARC4", 16);
+
+      case TLS_PSK_WITH_3DES_EDE_CBC_SHA:
+         return Ciphersuite("", "PSK", "SHA-1", "3DES", 24);
+
+      case TLS_PSK_WITH_AES_128_CBC_SHA:
+         return Ciphersuite("", "PSK", "SHA-1", "AES-128", 16);
+
+      case TLS_PSK_WITH_AES_128_CBC_SHA256:
+         return Ciphersuite("", "PSK", "SHA-256", "AES-128", 16);
+
+      case TLS_PSK_WITH_AES_256_CBC_SHA:
+         return Ciphersuite("", "PSK", "SHA-1", "AES-256", 32);
+
+      case TLS_PSK_WITH_AES_256_CBC_SHA384:
+         return Ciphersuite("", "PSK", "SHA-384", "AES-256", 32);
+
+      // PSK+DH ciphersuites
+
+      case TLS_DHE_PSK_WITH_RC4_128_SHA:
+         return Ciphersuite("", "DHE_PSK", "SHA-1", "ARC4", 16);
+
+      case TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA:
+         return Ciphersuite("", "DHE_PSK", "SHA-1", "3DES", 24);
+
+      case TLS_DHE_PSK_WITH_AES_128_CBC_SHA:
+         return Ciphersuite("", "DHE_PSK", "SHA-1", "AES-128", 16);
+
+      case TLS_DHE_PSK_WITH_AES_128_CBC_SHA256:
+         return Ciphersuite("", "DHE_PSK", "SHA-256", "AES-128", 16);
+
+      case TLS_DHE_PSK_WITH_AES_256_CBC_SHA:
+         return Ciphersuite("", "DHE_PSK", "SHA-1", "AES-256", 32);
+
+      case TLS_DHE_PSK_WITH_AES_256_CBC_SHA384:
+         return Ciphersuite("", "DHE_PSK", "SHA-384", "AES-256", 32);
+
+      // PSK+ECDH ciphersuites
+
+      case TLS_ECDHE_PSK_WITH_RC4_128_SHA:
+         return Ciphersuite("", "ECDHE_PSK", "SHA-1", "ARC4", 16);
+
+      case TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA:
+         return Ciphersuite("", "ECDHE_PSK", "SHA-1", "3DES", 24);
+
+      case TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA:
+         return Ciphersuite("", "ECDHE_PSK", "SHA-1", "AES-128", 16);
+
+      case TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256:
+         return Ciphersuite("", "ECDHE_PSK", "SHA-256", "AES-128", 16);
+
+      case TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA:
+         return Ciphersuite("", "ECDHE_PSK", "SHA-1", "AES-256", 32);
+
+      case TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384:
+         return Ciphersuite("", "ECDHE_PSK", "SHA-384", "AES-256", 32);
+
+      // SRP ciphersuites
+
+      case TLS_SRP_SHA_WITH_AES_128_CBC_SHA:
+         return Ciphersuite("", "SRP", "SHA-1", "AES-128", 16);
+
+      case TLS_SRP_SHA_WITH_AES_256_CBC_SHA:
+         return Ciphersuite("", "SRP", "SHA-1", "AES-256", 32);
+
+      case TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA:
+         return Ciphersuite("", "SRP", "SHA-1", "3DES", 24);
+
+      // SRP/RSA ciphersuites
+
+      case TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA:
+         return Ciphersuite("RSA", "SRP", "SHA-1", "AES-128", 16);
+
+      case TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA:
+         return Ciphersuite("RSA", "SRP", "SHA-1", "AES-256", 32);
+
+      case TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA:
+         return Ciphersuite("RSA", "SRP", "SHA-1", "3DES", 24);
+
+      // SRP/DSA ciphersuites
+
+      case TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA:
+         return Ciphersuite("DSA", "SRP", "SHA-1", "AES-128", 16);
+
+      case TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA:
+         return Ciphersuite("DSA", "SRP", "SHA-1", "AES-256", 32);
+
+      case TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA:
+         return Ciphersuite("DSA", "SRP", "SHA-1", "3DES", 24);
+
+      // Signaling ciphersuite values
+
+      case TLS_EMPTY_RENEGOTIATION_INFO_SCSV:
+         return Ciphersuite();
+      }
+
+   return Ciphersuite(); // some unknown ciphersuite
+   }
+
+std::string Ciphersuite::to_string() const
+   {
+   if(m_cipher_keylen == 0)
+      throw std::runtime_error("Ciphersuite::to_string - no value set");
+
+   std::ostringstream out;
+
+   out << "TLS_";
+
+   if(kex_algo() != "RSA")
+      {
+      if(kex_algo() == "DH")
+         out << "DHE";
+      else if(kex_algo() == "ECDH")
+         out << "ECDHE";
+      else if(kex_algo() == "SRP")
+         out << "SRP_SHA";
+      else
+         out << kex_algo();
+
+      out << '_';
+      }
+
+   if(sig_algo() == "DSA")
+      out << "DSS_";
+   else if(sig_algo() != "")
+      out << sig_algo() << '_';
+
+   out << "WITH_";
+
+   if(cipher_algo() == "ARC4")
+      {
+      out << "RC4_128_";
+      }
+   else
+      {
+      if(cipher_algo() == "3DES")
+         out << "3DES_EDE";
+      else
+         out << replace_char(cipher_algo(), '-', '_');
+
+      out << "_CBC_";
+      }
+
+   if(mac_algo() == "SHA-1")
+      out << "SHA";
+   else if(mac_algo() == "SHA-256")
+      out << "SHA256";
+   else if(mac_algo() == "SHA-384")
+      out << "SHA384";
+   else
+      out << mac_algo();
+
+   return out.str();
+   }
+
+Ciphersuite::Ciphersuite(const std::string& sig_algo,
+                                 const std::string& kex_algo,
+                                 const std::string& mac_algo,
+                                 const std::string& cipher_algo,
+                                 size_t cipher_algo_keylen) :
+   m_sig_algo(sig_algo),
+   m_kex_algo(kex_algo),
+   m_mac_algo(mac_algo),
+   m_cipher_algo(cipher_algo),
+   m_cipher_keylen(cipher_algo_keylen)
+   {
+   }
+
+}
+
+}