commoncrypto_utils.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_UTILS_H_

#define BOTAN_INTERNAL_COMMONCRYPTO_UTILS_H_

#include <botan/sym_algo.h>

#include <CommonCrypto/CommonCrypto.h>

namespace Botan {

struct CommonCryptor_Opts

   CCAlgorithm algo;

   CCMode mode;

   CCPadding padding;

   size_t block_size;

   Key_Length_Specification key_spec{0};

};

CommonCryptor_Opts commoncrypto_opts_from_algo_name(const std::string& algo_name);

CommonCryptor_Opts commoncrypto_opts_from_algo(const std::string& algo);

void commoncrypto_adjust_key_size(const uint8_t key[], size_t length,

                                  const CommonCryptor_Opts& opts, secure_vector<uint8_t>& full_key);

#endif