Atmosphere/libraries/libvapours/include/vapours/crypto/crypto_sha1_generator.hpp

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/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vapours/common.hpp>
#include <vapours/assert.hpp>
#include <vapours/util.hpp>
#include <vapours/crypto/impl/crypto_sha1_impl.hpp>
namespace ams::crypto {
class Sha1Generator {
NON_COPYABLE(Sha1Generator);
NON_MOVEABLE(Sha1Generator);
private:
using Impl = impl::Sha1Impl;
public:
static constexpr size_t HashSize = Impl::HashSize;
static constexpr size_t BlockSize = Impl::BlockSize;
static constexpr inline u8 Asn1Identifier[] = {
0x30, 0x21, /* Sequence, size 0x21 */
0x30, 0x09, /* Sequence, size 0x09 */
0x06, 0x05, /* Object Identifier */
0x2B, 0x0E, 0x03, 0x02, 0x1A, /* SHA-1 */
0x05, 0x00, /* Null */
0x04, 0x14, /* Octet string, size 0x14 */
};
static constexpr size_t Asn1IdentifierSize = util::size(Asn1Identifier);
private:
Impl m_impl;
public:
Sha1Generator() { /* ... */ }
void Initialize() {
m_impl.Initialize();
}
void Update(const void *data, size_t size) {
m_impl.Update(data, size);
}
void GetHash(void *dst, size_t size) {
m_impl.GetHash(dst, size);
}
};
void GenerateSha1(void *dst, size_t dst_size, const void *src, size_t src_size);
ALWAYS_INLINE void GenerateSha1Hash(void *dst, size_t dst_size, const void *src, size_t src_size) {
return GenerateSha1(dst, dst_size, src, src_size);
}
}