Implements Signature Creator & Verifier for openssl

base/crypto/signature_creator.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_CREATOR_H_
 #define BASE_CRYPTO_SIGNATURE_CREATOR_H_
 #pragma once
 
 #include "build/build_config.h"
 
-#if defined(USE_NSS)
+#if defined(USE_OPENSSL)
+// Forward declaration for openssl/*.h
+typedef struct env_md_ctx_st EVP_MD_CTX;
+#elif defined(USE_NSS)
 // Forward declaration.
 struct SGNContextStr;
 #elif defined(OS_MACOSX)
 #include <Security/cssm.h>
 #endif
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/crypto/rsa_private_key.h"
@@ skipping 19 matching lines @@
 
   // Finalize the signature.
   bool Final(std::vector<uint8>* signature);
 
  private:
   // Private constructor. Use the Create() method instead.
   SignatureCreator();
 
   RSAPrivateKey* key_;
 
-#if defined(USE_NSS)
+#if defined(USE_OPENSSL)
+  EVP_MD_CTX* sign_context_;
+#elif defined(USE_NSS)
   SGNContextStr* sign_context_;
 #elif defined(OS_MACOSX)
   CSSM_CC_HANDLE sig_handle_;
 #elif defined(OS_WIN)
   ScopedHCRYPTHASH hash_object_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(SignatureCreator);
 };
 
 }  // namespace base
 
 #endif  // BASE_CRYPTO_SIGNATURE_CREATOR_H_