mirror of
https://github.com/LadybirdBrowser/ladybird
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39 lines
746 B
C++
39 lines
746 B
C++
/*
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* Copyright (c) 2026, mikiubo <michele.uboldi@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/Error.h>
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namespace Crypto::Cipher {
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class ChaCha20Poly1305 {
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public:
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// 256 bits
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static constexpr size_t key_size = 32;
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// 96 bits
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static constexpr size_t nonce_size = 12;
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// 128 bits
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static constexpr size_t tag_size = 16;
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static ErrorOr<ByteBuffer> encrypt(
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ReadonlyBytes key,
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ReadonlyBytes nonce,
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ReadonlyBytes plaintext,
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ReadonlyBytes aad);
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static ErrorOr<ByteBuffer> decrypt(
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ReadonlyBytes key,
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ReadonlyBytes nonce,
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ReadonlyBytes ciphertext_and_tag,
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ReadonlyBytes aad);
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};
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}
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