Support generation of EC keys using P256 curve and support ECDSA certs.

webrtc/base/sslidentity.h

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 89 matching lines @@
   }
 
   // Helper function for deleting a vector of certificates.
   static void DeleteCert(SSLCertificate* cert) { delete cert; }
 
   std::vector<SSLCertificate*> certs_;
 
   DISALLOW_COPY_AND_ASSIGN(SSLCertChain);
 };
 
+enum KeyType { KT_RSA, KT_ECDSA, KT_DEFAULT = KT_RSA };
+
 // Parameters for generating an identity for testing. If common_name is
 // non-empty, it will be used for the certificate's subject and issuer name,
 // otherwise a random string will be used. |not_before| and |not_after| are
 // offsets to the current time in number of seconds.
 struct SSLIdentityParams {
   std::string common_name;
   int not_before;  // in seconds.
   int not_after;  // in seconds.
+  KeyType key_type;
 };
 
 // Our identity in an SSL negotiation: a keypair and certificate (both
 // with the same public key).
 // This too is pretty much immutable once created.
 class SSLIdentity {
  public:
   // Generates an identity (keypair and self-signed certificate). If
   // common_name is non-empty, it will be used for the certificate's
   // subject and issuer name, otherwise a random string will be used.
   // Returns NULL on failure.
   // Caller is responsible for freeing the returned object.
-  static SSLIdentity* Generate(const std::string& common_name);
+  static SSLIdentity* Generate(const std::string& common_name,
+                               KeyType key_type);
 
   // Generates an identity with the specified validity period.
   static SSLIdentity* GenerateForTest(const SSLIdentityParams& params);
 
   // Construct an identity from a private key and a certificate.
   static SSLIdentity* FromPEMStrings(const std::string& private_key,
                                      const std::string& certificate);
 
   virtual ~SSLIdentity() {}
 
   // Returns a new SSLIdentity object instance wrapping the same
   // identity information.
   // Caller is responsible for freeing the returned object.
   virtual SSLIdentity* GetReference() const = 0;
 
   // Returns a temporary reference to the certificate.
   virtual const SSLCertificate& certificate() const = 0;
 
   // Helpers for parsing converting between PEM and DER format.
   static bool PemToDer(const std::string& pem_type,
                        const std::string& pem_string,
                        std::string* der);
   static std::string DerToPem(const std::string& pem_type,
                               const unsigned char* data,
                               size_t length);
 };
 
 extern const char kPemTypeCertificate[];
 extern const char kPemTypeRsaPrivateKey[];
+extern const char kPemTypeEcPrivateKey[];
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_SSLIDENTITY_H_