Index: crypto/scoped_openssl_types.h |
diff --git a/crypto/scoped_openssl_types.h b/crypto/scoped_openssl_types.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ec93dd266c5694928fbaa416f269c2ff37879e14 |
--- /dev/null |
+++ b/crypto/scoped_openssl_types.h |
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+// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
eroman
2014/07/10 01:38:59
2014
|
+// 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/bn.h> |
+#include <openssl/dsa.h> |
+#include <openssl/ec.h> |
+#include <openssl/ecdsa.h> |
+#include <openssl/evp.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 { |
+ void operator()(Type* ptr) const { Destroyer(ptr); } |
+}; |
+ |
+template <typename PointerType, void (*Destroyer)(PointerType*)> |
+struct ScopedOpenSSL { |
+ typedef scoped_ptr<PointerType, OpenSSLDestroyer<PointerType, Destroyer> > |
+ Type; |
+}; |
+ |
+// 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. |
+typedef ScopedOpenSSL<BIGNUM, BN_free>::Type ScopedBIGNUM; |
+typedef ScopedOpenSSL<EC_KEY, EC_KEY_free>::Type ScopedEC_KEY; |
+typedef ScopedOpenSSL<BIO, BIO_free_all>::Type ScopedBIO; |
+typedef ScopedOpenSSL<DSA, DSA_free>::Type ScopedDSA; |
+typedef ScopedOpenSSL<ECDSA_SIG, ECDSA_SIG_free>::Type ScopedECDSA_SIG; |
+typedef ScopedOpenSSL<EC_KEY, EC_KEY_free>::Type ScopedEC_KEY; |
+typedef ScopedOpenSSL<EVP_MD_CTX, EVP_MD_CTX_destroy>::Type ScopedEVP_MD_CTX; |
+typedef ScopedOpenSSL<EVP_PKEY, EVP_PKEY_free>::Type ScopedEVP_PKEY; |
+typedef ScopedOpenSSL<RSA, RSA_free>::Type ScopedRSA; |
+ |
+} // namespace crypto |
+ |
+#endif // CRYPTO_SCOPED_OPENSSL_TYPES_H_ |