modes.hpp

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#ifndef MODES_HPP
#define MODES_HPP
 
#include "cipher.hpp"
#include "util.hpp"
 
#include <cstddef>
#include <cstdint>
#include <stdexcept>

 
namespace modes {

constexpr size_t PARALLEL_THRESHOLD_BLOCKS = 1024;

void ctr_at(const uint8_t iv[BLOCK_SIZE], uint64_t i, uint8_t out[BLOCK_SIZE]);

util::Bytes ecb_encrypt(const BlockCipher& cipher, const uint8_t* iv, const util::Bytes& in);

util::Bytes ecb_decrypt(const BlockCipher& cipher, const uint8_t* iv, const util::Bytes& in);

util::Bytes cbc_encrypt(const BlockCipher& cipher, const uint8_t* iv, const util::Bytes& in);

util::Bytes cbc_decrypt(const BlockCipher& cipher, const uint8_t* iv, const util::Bytes& in);

util::Bytes cfb_encrypt(const BlockCipher& cipher, const uint8_t* iv, const util::Bytes& in);

util::Bytes cfb_decrypt(const BlockCipher& cipher, const uint8_t* iv, const util::Bytes& in);

util::Bytes ofb_crypt(const BlockCipher& cipher, const uint8_t* iv, const util::Bytes& in);

inline util::Bytes ofb_encrypt(const BlockCipher& cipher, const uint8_t* iv, const util::Bytes& in) {
    return ofb_crypt(cipher, iv, in);
}

inline util::Bytes ofb_decrypt(const BlockCipher& cipher, const uint8_t* iv, const util::Bytes& in) {
    return ofb_crypt(cipher, iv, in);
}

util::Bytes ctr_crypt(const BlockCipher& cipher, const uint8_t* iv, const util::Bytes& in);

inline util::Bytes ctr_encrypt(const BlockCipher& cipher, const uint8_t* iv, const util::Bytes& in) {
    return ctr_crypt(cipher, iv, in);
}

inline util::Bytes ctr_decrypt(const BlockCipher& cipher, const uint8_t* iv, const util::Bytes& in) {
    return ctr_crypt(cipher, iv, in);
}
 
} // namespace modes
 
#endif