commoncrypto.h

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/*
* Utils for calling CommonCrypto
* (C) 2018 Jose Pereira
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
 
#ifndef BOTAN_INTERNAL_COMMONCRYPTO_H_
#define BOTAN_INTERNAL_COMMONCRYPTO_H_
 
#include <botan/pk_ops_fwd.h>
#include <botan/secmem.h>
#include <botan/exceptn.h>
#include <memory>
#include <string>
 
namespace Botan {
 
class Cipher_Mode;
class BlockCipher;
class HashFunction;
enum Cipher_Dir : int;
typedef int32_t CCCryptorStatus;
 
class BOTAN_PUBLIC_API(2, 0) CommonCrypto_Error final : public Exception
   {
   public:
      CommonCrypto_Error(const std::string& what) :
         Exception(what + " failed."),
         m_rc(0) {}
 
      CommonCrypto_Error(const std::string& what, int32_t status) :
         Exception(what + std::string(" failed. Status: ") + ccryptorstatus_to_string(status)),
         m_rc(status) {}
 
      ErrorType error_type() const noexcept override { return ErrorType::CommonCryptoError; }
 
      int error_code() const noexcept override { return m_rc; }
 
   private:
      std::string ccryptorstatus_to_string(CCCryptorStatus status);
 
      int32_t m_rc;
   };
 
/* Cipher Modes */
 
std::unique_ptr<Cipher_Mode>
make_commoncrypto_cipher_mode(const std::string& name, Cipher_Dir direction);
 
/* Block Ciphers */
 
std::unique_ptr<BlockCipher>
make_commoncrypto_block_cipher(const std::string& name);
 
/* Hash */
 
std::unique_ptr<HashFunction> make_commoncrypto_hash(const std::string& name);
 
}
 
#endif