Update monet.

crypto/scoped_openssl_types.h

+// Copyright 2014 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 CRYPTO_SCOPED_OPENSSL_TYPES_H_
+#define CRYPTO_SCOPED_OPENSSL_TYPES_H_
+
+#include <openssl/bio.h>
+#include <openssl/bn.h>
+#include <openssl/dsa.h>
+#include <openssl/ec.h>
+#include <openssl/ecdsa.h>
+#include <openssl/evp.h>
+#include <openssl/mem.h>
+#include <openssl/rsa.h>
+
+#include "base/memory/scoped_ptr.h"
+
+namespace crypto {
+
+// Simplistic helper that wraps a call to a deleter function. In a C++11 world,
+// this would be std::function<>. An alternative would be to re-use
+// base::internal::RunnableAdapter<>, but that's far too heavy weight.
+template <typename Type, void (*Destroyer)(Type*)>
+struct OpenSSLDestroyer {
+  using AllowSelfReset = void;
+  void operator()(Type* ptr) const { Destroyer(ptr); }
+};
+
+template <typename PointerType, void (*Destroyer)(PointerType*)>
+using ScopedOpenSSL =
+    scoped_ptr<PointerType, OpenSSLDestroyer<PointerType, Destroyer>>;
+
+struct OpenSSLFree {
+  void operator()(uint8_t* ptr) const { OPENSSL_free(ptr); }
+};
+
+// Several typedefs are provided for crypto-specific primitives, for
+// short-hand and prevalence. Note that OpenSSL types related to X.509 are
+// intentionally not included, as crypto/ does not generally deal with
+// certificates or PKI.
+using ScopedBIGNUM = ScopedOpenSSL<BIGNUM, BN_free>;
+using ScopedEC_Key = ScopedOpenSSL<EC_KEY, EC_KEY_free>;
+using ScopedBIO = ScopedOpenSSL<BIO, BIO_free_all>;
+using ScopedDSA = ScopedOpenSSL<DSA, DSA_free>;
+using ScopedECDSA_SIG = ScopedOpenSSL<ECDSA_SIG, ECDSA_SIG_free>;
+using ScopedEC_GROUP = ScopedOpenSSL<EC_GROUP, EC_GROUP_free>;
+using ScopedEC_KEY = ScopedOpenSSL<EC_KEY, EC_KEY_free>;
+using ScopedEC_POINT = ScopedOpenSSL<EC_POINT, EC_POINT_free>;
+using ScopedEVP_MD_CTX = ScopedOpenSSL<EVP_MD_CTX, EVP_MD_CTX_destroy>;
+using ScopedEVP_PKEY = ScopedOpenSSL<EVP_PKEY, EVP_PKEY_free>;
+using ScopedEVP_PKEY_CTX = ScopedOpenSSL<EVP_PKEY_CTX, EVP_PKEY_CTX_free>;
+using ScopedRSA = ScopedOpenSSL<RSA, RSA_free>;
+
+// The bytes must have been allocated with OPENSSL_malloc.
+using ScopedOpenSSLBytes = scoped_ptr<uint8_t, OpenSSLFree>;
+
+}  // namespace crypto
+
+#endif  // CRYPTO_SCOPED_OPENSSL_TYPES_H_