Implements Signature Creator & Verifier for openssl

base/openssl_util.cc

Index: base/openssl_util.cc
diff --git a/base/openssl_util.cc b/base/openssl_util.cc
index 894c710ad830496a53c19cbf5c5f077a74d30154..f16bc0c3d860de9699b644c64c328dfa3188e414 100644
--- a/base/openssl_util.cc
+++ b/base/openssl_util.cc
@@ -67,13 +67,13 @@ void EnsureOpenSSLInit() {
   (void)Singleton<OpenSSLInitSingleton>::get();
 }
 
-void ClearOpenSSLERRStack() {
+void ClearOpenSSLERRStack(const char* message) {
   if (logging::DEBUG_MODE && VLOG_IS_ON(1)) {
     int error_num = ERR_get_error();
     if (error_num == 0)
       return;
 
-    DVLOG(1) << "OpenSSL ERR_get_error stack:";
+    DVLOG(1) << "OpenSSL ERR_get_error stack: " << (message ? message : "");
     char buf[140];
     do {
       ERR_error_string_n(error_num, buf, arraysize(buf));
@@ -85,4 +85,8 @@ void ClearOpenSSLERRStack() {
   }
 }
 
+void ClearOpenSSLERRStack() {
+  ClearOpenSSLERRStack(NULL);
+}
+
 }  // namespace base