Implements Signature Creator & Verifier for openssl

base/crypto/signature_verifier.h

 // Copyright (c) 2009 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.
 
 #ifndef BASE_CRYPTO_SIGNATURE_VERIFIER_H_
 #define BASE_CRYPTO_SIGNATURE_VERIFIER_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 65 matching lines @@
   //               const uint8* signature,
   //               int signature_len,
   //               const uint8* public_key_info,
   //               int public_key_info_len);
 
  private:
   void Reset();
 
   std::vector<uint8> signature_;
 
-#if defined(USE_NSS)
+#if defined(USE_OPENSSL)
+  struct VerifyContext;
+  VerifyContext* verify_context_;
+#elif defined(USE_NSS)
   VFYContext* vfy_context_;
 #elif defined(OS_MACOSX)
   std::vector<uint8> public_key_info_;
 
   CSSM_CC_HANDLE sig_handle_;
 
   CSSM_KEY public_key_;
 #elif defined(OS_WIN)
   ScopedHCRYPTPROV provider_;
 
   ScopedHCRYPTHASH hash_object_;
 
   ScopedHCRYPTKEY public_key_;
 #endif
 };
 
 }  // namespace base
 
 #endif  // BASE_CRYPTO_SIGNATURE_VERIFIER_H_