Report curve types in ECDSA SSLPrivateKeys.

net/ssl/ssl_platform_key_util.h

+// Copyright 2015 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 NET_SSL_SSL_PLATFORM_KEY_UTIL_H_
+#define NET_SSL_SSL_PLATFORM_KEY_UTIL_H_
+
+#include <stddef.h>
+
+#include "base/memory/ref_counted.h"
+#include "net/base/net_export.h"
+#include "net/ssl/ssl_private_key.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+}
+
+namespace net {
+
+class X509Certificate;
+
+// Returns a task runner to serialize all private key operations on a single
+// background thread to avoid problems with buggy smartcards. Its underlying
+// Thread is non-joinable and as such provides
+// TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN semantics.
+scoped_refptr<base::SingleThreadTaskRunner> GetSSLPlatformKeyTaskRunner();
+
+// Determines the key type and maximum signature length of |certificate|'s
+// public key.
+NET_EXPORT_PRIVATE bool GetClientCertInfo(const X509Certificate* certificate,
+                                          SSLPrivateKey::Type* out_type,
+                                          size_t* out_max_length);
+
+}  // namespace net
+
+#endif  // NET_SSL_SSL_PLATFORM_KEY_UTIL_H_