mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-06-11 02:13:56 +09:00
30 lines
903 B
C++
30 lines
903 B
C++
/*
|
|
* Copyright (c) 2025, Altomani Gianluca <altomanigianluca@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/ByteBuffer.h>
|
|
#include <LibCrypto/OpenSSL.h>
|
|
#include <openssl/evp.h>
|
|
|
|
namespace Crypto {
|
|
|
|
ErrorOr<OpenSSL_BN> unsigned_big_integer_to_openssl_bignum(UnsignedBigInteger const& integer)
|
|
{
|
|
auto bn = TRY(OpenSSL_BN::create());
|
|
auto buf = TRY(ByteBuffer::create_uninitialized(integer.byte_length()));
|
|
auto integer_size = integer.export_data(buf.bytes());
|
|
OPENSSL_TRY_PTR(BN_bin2bn(buf.bytes().data(), integer_size, bn.ptr()));
|
|
return bn;
|
|
}
|
|
|
|
ErrorOr<UnsignedBigInteger> openssl_bignum_to_unsigned_big_integer(OpenSSL_BN const& bn)
|
|
{
|
|
auto size = BN_num_bytes(bn.ptr());
|
|
auto buf = TRY(ByteBuffer::create_uninitialized(size));
|
|
BN_bn2bin(bn.ptr(), buf.bytes().data());
|
|
return UnsignedBigInteger::import_data(buf.bytes().data(), size);
|
|
}
|
|
|
|
}
|