| // Copyright 2014 The Chromium Authors |
| // 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/hmac.h> |
| #ifdef OPENSSL_IS_BORINGSSL |
| #include <openssl/mem.h> |
| #endif |
| #include <openssl/rsa.h> |
| #include <openssl/x509.h> |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| // TODO(crbug.com/984789): Remove once all of Chrome OS uses OpenSSL 1.1. |
| #include "crypto/libcrypto-compat.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*)> |
| using ScopedOpenSSL = |
| std::unique_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. |
| 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_CIPHER_CTX = ScopedOpenSSL<EVP_CIPHER_CTX, EVP_CIPHER_CTX_free>; |
| using ScopedEVP_MD_CTX = ScopedOpenSSL<EVP_MD_CTX, EVP_MD_CTX_free>; |
| using ScopedEVP_PKEY = ScopedOpenSSL<EVP_PKEY, EVP_PKEY_free>; |
| using ScopedEVP_PKEY_CTX = ScopedOpenSSL<EVP_PKEY_CTX, EVP_PKEY_CTX_free>; |
| using ScopedHMAC_CTX = ScopedOpenSSL<HMAC_CTX, HMAC_CTX_free>; |
| using ScopedNETSCAPE_SPKI = ScopedOpenSSL<NETSCAPE_SPKI, NETSCAPE_SPKI_free>; |
| using ScopedRSA = ScopedOpenSSL<RSA, RSA_free>; |
| using ScopedX509 = ScopedOpenSSL<X509, X509_free>; |
| |
| // The bytes must have been allocated with OPENSSL_malloc. |
| using ScopedOpenSSLBytes = std::unique_ptr<uint8_t, OpenSSLFree>; |
| |
| } // namespace crypto |
| |
| #endif // CRYPTO_SCOPED_OPENSSL_TYPES_H_ |