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pip/libs/main/digest/pidigest.h

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//! \addtogroup Core
//! \{
//! \file pidigest.h
//! \brief
//! \~english Digest algorithms
//! \~russian Алгоритмы хэш-сумм
//!
//! \details
//! \~english
//! This file implements several common-usage hash algorithms
//! \~russian
//! Этот файл реализует несколько распространенных алгоритмов хэширования
//! \}
/*
PIP - Platform Independent Primitives
Digest algorithms
Ivan Pelipenko peri4ko@yandex.ru
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef pidigest_h
#define pidigest_h
#include "pibytearray.h"
#include "piconstchars.h"
class PIP_EXPORT PIDigest {
public:
//! \~english Hash algorithm type
//! \~russian Тип алгоритма хэширования
//! \details
//! \~english
//! Supported algorithms: SHA1, SHA2 family (224, 256, 384, 512, 512_224, 512_256),
//! MD2, MD4, MD5, BLAKE2s, BLAKE2b, SipHash
//! \~russian
//! Поддерживаемые алгоритмы: SHA1, семейство SHA2 (224, 256, 384, 512, 512_224, 512_256),
//! MD2, MD4, MD5, BLAKE2s, BLAKE2b, SipHash
enum class Type {
SHA1,
SHA2_224,
SHA2_256,
SHA2_384,
SHA2_512,
SHA2_512_224,
SHA2_512_256,
MD2,
MD4,
MD5,
BLAKE2s_128,
BLAKE2s_160,
BLAKE2s_224,
BLAKE2s_256,
BLAKE2b_128,
BLAKE2b_160,
BLAKE2b_224,
BLAKE2b_256,
BLAKE2b_384,
BLAKE2b_512,
SipHash_2_4_64,
SipHash_2_4_128,
HalfSipHash_2_4_32,
HalfSipHash_2_4_64,
Count,
};
//! \~english Get hash output length in bytes
//! \~russian Получить длину хэша в байтах
static int hashLength(Type type);
//! \~english Get hash block length in bytes
//! \~russian Получить длину блока хэширования в байтах
static int blockLength(Type type);
//! \~english Get algorithm name as string
//! \~russian Получить название алгоритма в виде строки
//! \return Algorithm name
//! \sa Type
static PIConstChars typeName(Type type);
//! \~english Calculate hash of message
//! \~russian Вычислить хэш сообщения
//! \param msg Input message
//! \param type Hash algorithm type
//! \return Hash bytes
//! \sa calculateWithKey, HMAC
static PIByteArray calculate(const PIByteArray & msg, Type type);
//! \~english Calculate keyed hash of message
//! \~russian Вычислить ключевой хэш сообщения
//! \param msg Input message
//! \param key Secret key
//! \param type Hash algorithm type (SipHash or BLAKE2)
//! \return Hash bytes
//! \note Only SipHash and BLAKE2 algorithms support keyed hashing
//! \sa calculate, HMAC
static PIByteArray calculateWithKey(const PIByteArray & msg, const PIByteArray & key, Type type);
//! \~english Calculate HMAC (Keyed-Hash Message Authentication Code)
//! \~russian Вычислить HMAC (код аутентификации сообщений на основе ключа)
//! \param msg Input message
//! \param key Secret key
//! \param type Hash algorithm type
//! \return HMAC bytes
//! \note Supports SHA1, SHA2 and MD5 algorithms
//! \sa calculate, calculateWithKey
static PIByteArray HMAC(const PIByteArray & msg, const PIByteArray & key, PIDigest::Type type);
};
//! \}
#endif