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/*
* ARIA
* (C) 2017 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*
* This ARIA implementation is based on the 32-bit implementation by Aaram Yun from the
* National Security Research Institute, KOREA. Aaram Yun's implementation is based on
* the 8-bit implementation by Jin Hong. The source files are available in ARIA.zip from
* the Korea Internet & Security Agency website.
* <A HREF="http://tools.ietf.org/html/rfc5794">RFC 5794, A Description of the ARIA Encryption Algorithm</A>,
* <A HREF="http://seed.kisa.or.kr/iwt/ko/bbs/EgovReferenceList.do?bbsId=BBSMSTR_000000000002">Korea
* Internet & Security Agency homepage</A>
*/
#ifndef BOTAN_ARIA_H__
#define BOTAN_ARIA_H__
#include <botan/block_cipher.h>
namespace Botan {
/**
* ARIA-128
*/
class BOTAN_DLL ARIA_128 final : public Block_Cipher_Fixed_Params<16, 16>
{
public:
void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
void clear() override;
std::string name() const override { return "ARIA-128"; }
BlockCipher* clone() const override { return new ARIA_128; }
private:
void key_schedule(const uint8_t key[], size_t length) override;
// Encryption and Decryption round keys.
secure_vector<uint32_t> m_ERK, m_DRK;
};
/**
* ARIA-192
*/
class BOTAN_DLL ARIA_192 final : public Block_Cipher_Fixed_Params<16, 24>
{
public:
void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
void clear() override;
std::string name() const override { return "ARIA-192"; }
BlockCipher* clone() const override { return new ARIA_192; }
private:
void key_schedule(const uint8_t key[], size_t length) override;
// Encryption and Decryption round keys.
secure_vector<uint32_t> m_ERK, m_DRK;
};
/**
* ARIA-256
*/
class BOTAN_DLL ARIA_256 final : public Block_Cipher_Fixed_Params<16, 32>
{
public:
void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
void clear() override;
std::string name() const override { return "ARIA-256"; }
BlockCipher* clone() const override { return new ARIA_256; }
private:
void key_schedule(const uint8_t key[], size_t length) override;
// Encryption and Decryption round keys.
secure_vector<uint32_t> m_ERK, m_DRK;
};
}
#endif
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