Ability to specify KeyType (RSA, ECDSA) for SSLIdentity generation in libjingle

webrtc/base/sslidentity.cc

 /*
  *  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 20 matching lines @@
 
 #include "webrtc/base/nssidentity.h"
 
 #endif  // SSL_USE_SCHANNEL
 
 namespace rtc {
 
 const char kPemTypeCertificate[] = "CERTIFICATE";
 const char kPemTypeRsaPrivateKey[] = "RSA PRIVATE KEY";
 
+static const std::string key_type_names[] { "KT_RSA", "KT_ECDSA" };
+
+std::string KeyTypeToString(KeyType key_type) {
+  return key_type_names[key_type];
+}
+
 bool SSLIdentity::PemToDer(const std::string& pem_type,
                            const std::string& pem_string,
                            std::string* der) {
   // Find the inner body. We need this to fulfill the contract of
   // returning pem_length.
   size_t header = pem_string.find("-----BEGIN " + pem_type + "-----");
   if (header == std::string::npos)
     return false;
 
   size_t body = pem_string.find("\n", header);
@@ skipping 108 matching lines @@
   return NSSIdentity::FromPEMStrings(private_key, certificate);
 }
 
 #else  // !SSL_USE_OPENSSL && !SSL_USE_SCHANNEL && !SSL_USE_NSS
 
 #error "No SSL implementation"
 
 #endif  // SSL_USE_SCHANNEL
 
 }  // namespace rtc