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210 lines
11 KiB
C++
210 lines
11 KiB
C++
/*
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* Copyright (c) 2023, stelar7 <dudedbz@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/ByteBuffer.h>
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#include <AK/String.h>
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#include <LibCrypto/AEAD/ChaCha20Poly1305.h>
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#include <LibTest/TestCase.h>
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// https://datatracker.ietf.org/doc/html/rfc8439#section-2.6.2
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TEST_CASE(test_keygen_vector_1)
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{
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u8 key[32] = {
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0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
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0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f
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};
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u8 nonce[12] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 };
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u8 expected_raw[32] = {
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0x8a, 0xd5, 0xa0, 0x8b, 0x90, 0x5f, 0x81, 0xcc, 0x81, 0x50, 0x40, 0x27, 0x4a, 0xb2, 0x94, 0x71,
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0xa8, 0x33, 0xb6, 0x37, 0xe3, 0xfd, 0x0d, 0xa5, 0x08, 0xdb, 0xb8, 0xe2, 0xfd, 0xd1, 0xa6, 0x46
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};
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Crypto::AEAD::ChaCha20Poly1305 aead(ReadonlyBytes { key, 32 }, ReadonlyBytes { nonce, 12 });
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auto otk = MUST(aead.poly1305_key());
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auto expected = ReadonlyBytes { expected_raw, 32 };
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EXPECT_EQ(otk.bytes(), expected);
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}
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// https://datatracker.ietf.org/doc/html/rfc8439#appendix-A.4
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TEST_CASE(test_keygen_vector_2)
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{
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u8 key[32] = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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u8 nonce[12] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
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u8 expected_raw[32] = {
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0x76, 0xb8, 0xe0, 0xad, 0xa0, 0xf1, 0x3d, 0x90, 0x40, 0x5d, 0x6a, 0xe5, 0x53, 0x86, 0xbd, 0x28,
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0xbd, 0xd2, 0x19, 0xb8, 0xa0, 0x8d, 0xed, 0x1a, 0xa8, 0x36, 0xef, 0xcc, 0x8b, 0x77, 0x0d, 0xc7
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};
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Crypto::AEAD::ChaCha20Poly1305 aead(ReadonlyBytes { key, 32 }, ReadonlyBytes { nonce, 12 });
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auto otk = MUST(aead.poly1305_key());
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auto expected = ReadonlyBytes { expected_raw, 32 };
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EXPECT_EQ(otk.bytes(), expected);
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}
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// https://datatracker.ietf.org/doc/html/rfc8439#appendix-A.4
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TEST_CASE(test_keygen_vector_3)
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{
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u8 key[32] = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
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};
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u8 nonce[12] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 };
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u8 expected_raw[32] = {
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0xec, 0xfa, 0x25, 0x4f, 0x84, 0x5f, 0x64, 0x74, 0x73, 0xd3, 0xcb, 0x14, 0x0d, 0xa9, 0xe8, 0x76,
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0x06, 0xcb, 0x33, 0x06, 0x6c, 0x44, 0x7b, 0x87, 0xbc, 0x26, 0x66, 0xdd, 0xe3, 0xfb, 0xb7, 0x39
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};
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Crypto::AEAD::ChaCha20Poly1305 aead(ReadonlyBytes { key, 32 }, ReadonlyBytes { nonce, 12 });
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auto otk = MUST(aead.poly1305_key());
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auto expected = ReadonlyBytes { expected_raw, 32 };
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EXPECT_EQ(otk.bytes(), expected);
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}
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// https://datatracker.ietf.org/doc/html/rfc8439#appendix-A.4
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TEST_CASE(test_keygen_vector_4)
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{
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u8 key[32] = {
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0x1c, 0x92, 0x40, 0xa5, 0xeb, 0x55, 0xd3, 0x8a, 0xf3, 0x33, 0x88, 0x86, 0x04, 0xf6, 0xb5, 0xf0,
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0x47, 0x39, 0x17, 0xc1, 0x40, 0x2b, 0x80, 0x09, 0x9d, 0xca, 0x5c, 0xbc, 0x20, 0x70, 0x75, 0xc0
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};
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u8 nonce[12] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 };
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u8 expected_raw[32] = {
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0x96, 0x5e, 0x3b, 0xc6, 0xf9, 0xec, 0x7e, 0xd9, 0x56, 0x08, 0x08, 0xf4, 0xd2, 0x29, 0xf9, 0x4b,
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0x13, 0x7f, 0xf2, 0x75, 0xca, 0x9b, 0x3f, 0xcb, 0xdd, 0x59, 0xde, 0xaa, 0xd2, 0x33, 0x10, 0xae
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};
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Crypto::AEAD::ChaCha20Poly1305 aead(ReadonlyBytes { key, 32 }, ReadonlyBytes { nonce, 12 });
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auto otk = MUST(aead.poly1305_key());
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auto expected = ReadonlyBytes { expected_raw, 32 };
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EXPECT_EQ(otk.bytes(), expected);
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}
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// https://datatracker.ietf.org/doc/html/rfc8439#section-2.8.2
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TEST_CASE(test_aead_encrypt_1)
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{
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auto plaintext = MUST(String::from_utf8("Ladies and Gentlemen of the class of '99: If I could offer you only one tip for the future, sunscreen would be it."sv));
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u8 aad[12] = { 0x50, 0x51, 0x52, 0x53, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7 };
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u8 key[32] = {
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0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
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0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f
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};
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u8 nonce[12] = { 0x07, 0x00, 0x00, 0x00, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47 };
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u8 expected_ciphertext[114] = {
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0xd3, 0x1a, 0x8d, 0x34, 0x64, 0x8e, 0x60, 0xdb, 0x7b, 0x86, 0xaf, 0xbc, 0x53, 0xef, 0x7e, 0xc2,
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0xa4, 0xad, 0xed, 0x51, 0x29, 0x6e, 0x08, 0xfe, 0xa9, 0xe2, 0xb5, 0xa7, 0x36, 0xee, 0x62, 0xd6,
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0x3d, 0xbe, 0xa4, 0x5e, 0x8c, 0xa9, 0x67, 0x12, 0x82, 0xfa, 0xfb, 0x69, 0xda, 0x92, 0x72, 0x8b,
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0x1a, 0x71, 0xde, 0x0a, 0x9e, 0x06, 0x0b, 0x29, 0x05, 0xd6, 0xa5, 0xb6, 0x7e, 0xcd, 0x3b, 0x36,
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0x92, 0xdd, 0xbd, 0x7f, 0x2d, 0x77, 0x8b, 0x8c, 0x98, 0x03, 0xae, 0xe3, 0x28, 0x09, 0x1b, 0x58,
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0xfa, 0xb3, 0x24, 0xe4, 0xfa, 0xd6, 0x75, 0x94, 0x55, 0x85, 0x80, 0x8b, 0x48, 0x31, 0xd7, 0xbc,
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0x3f, 0xf4, 0xde, 0xf0, 0x8e, 0x4b, 0x7a, 0x9d, 0xe5, 0x76, 0xd2, 0x65, 0x86, 0xce, 0xc6, 0x4b,
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0x61, 0x16
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};
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u8 expected_tag[16] = {
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0x1a, 0xe1, 0x0b, 0x59, 0x4f, 0x09, 0xe2, 0x6a, 0x7e, 0x90, 0x2e, 0xcb, 0xd0, 0x60, 0x06, 0x91
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};
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auto ciphertext = ReadonlyBytes { expected_ciphertext, 114 };
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auto tag = ReadonlyBytes { expected_tag, 16 };
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Crypto::AEAD::ChaCha20Poly1305 aead(ReadonlyBytes { key, 32 }, ReadonlyBytes { nonce, 12 });
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auto encrypted = MUST(aead.encrypt(ReadonlyBytes { aad, 12 }, plaintext.bytes()));
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EXPECT_EQ(encrypted.size(), plaintext.bytes().size() + 16);
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EXPECT_EQ(encrypted.bytes().slice(0, plaintext.bytes().size()), ciphertext);
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EXPECT_EQ(encrypted.bytes().slice_from_end(16), tag);
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}
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// https://datatracker.ietf.org/doc/html/rfc8439#appendix-A.5
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TEST_CASE(test_aead_decrypt_1)
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{
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u8 aad[12] = { 0xf3, 0x33, 0x88, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4e, 0x91 };
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u8 key[32] = {
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0x1c, 0x92, 0x40, 0xa5, 0xeb, 0x55, 0xd3, 0x8a, 0xf3, 0x33, 0x88, 0x86, 0x04, 0xf6, 0xb5, 0xf0,
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0x47, 0x39, 0x17, 0xc1, 0x40, 0x2b, 0x80, 0x09, 0x9d, 0xca, 0x5c, 0xbc, 0x20, 0x70, 0x75, 0xc0
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};
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u8 nonce[12] = { 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
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u8 ciphertext[265] = {
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0x64, 0xa0, 0x86, 0x15, 0x75, 0x86, 0x1a, 0xf4, 0x60, 0xf0, 0x62, 0xc7, 0x9b, 0xe6, 0x43, 0xbd,
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0x5e, 0x80, 0x5c, 0xfd, 0x34, 0x5c, 0xf3, 0x89, 0xf1, 0x08, 0x67, 0x0a, 0xc7, 0x6c, 0x8c, 0xb2,
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0x4c, 0x6c, 0xfc, 0x18, 0x75, 0x5d, 0x43, 0xee, 0xa0, 0x9e, 0xe9, 0x4e, 0x38, 0x2d, 0x26, 0xb0,
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0xbd, 0xb7, 0xb7, 0x3c, 0x32, 0x1b, 0x01, 0x00, 0xd4, 0xf0, 0x3b, 0x7f, 0x35, 0x58, 0x94, 0xcf,
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0x33, 0x2f, 0x83, 0x0e, 0x71, 0x0b, 0x97, 0xce, 0x98, 0xc8, 0xa8, 0x4a, 0xbd, 0x0b, 0x94, 0x81,
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0x14, 0xad, 0x17, 0x6e, 0x00, 0x8d, 0x33, 0xbd, 0x60, 0xf9, 0x82, 0xb1, 0xff, 0x37, 0xc8, 0x55,
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0x97, 0x97, 0xa0, 0x6e, 0xf4, 0xf0, 0xef, 0x61, 0xc1, 0x86, 0x32, 0x4e, 0x2b, 0x35, 0x06, 0x38,
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0x36, 0x06, 0x90, 0x7b, 0x6a, 0x7c, 0x02, 0xb0, 0xf9, 0xf6, 0x15, 0x7b, 0x53, 0xc8, 0x67, 0xe4,
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0xb9, 0x16, 0x6c, 0x76, 0x7b, 0x80, 0x4d, 0x46, 0xa5, 0x9b, 0x52, 0x16, 0xcd, 0xe7, 0xa4, 0xe9,
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0x90, 0x40, 0xc5, 0xa4, 0x04, 0x33, 0x22, 0x5e, 0xe2, 0x82, 0xa1, 0xb0, 0xa0, 0x6c, 0x52, 0x3e,
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0xaf, 0x45, 0x34, 0xd7, 0xf8, 0x3f, 0xa1, 0x15, 0x5b, 0x00, 0x47, 0x71, 0x8c, 0xbc, 0x54, 0x6a,
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0x0d, 0x07, 0x2b, 0x04, 0xb3, 0x56, 0x4e, 0xea, 0x1b, 0x42, 0x22, 0x73, 0xf5, 0x48, 0x27, 0x1a,
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0x0b, 0xb2, 0x31, 0x60, 0x53, 0xfa, 0x76, 0x99, 0x19, 0x55, 0xeb, 0xd6, 0x31, 0x59, 0x43, 0x4e,
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0xce, 0xbb, 0x4e, 0x46, 0x6d, 0xae, 0x5a, 0x10, 0x73, 0xa6, 0x72, 0x76, 0x27, 0x09, 0x7a, 0x10,
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0x49, 0xe6, 0x17, 0xd9, 0x1d, 0x36, 0x10, 0x94, 0xfa, 0x68, 0xf0, 0xff, 0x77, 0x98, 0x71, 0x30,
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0x30, 0x5b, 0xea, 0xba, 0x2e, 0xda, 0x04, 0xdf, 0x99, 0x7b, 0x71, 0x4d, 0x6c, 0x6f, 0x2c, 0x29,
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0xa6, 0xad, 0x5c, 0xb4, 0x02, 0x2b, 0x02, 0x70, 0x9b
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};
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u8 expected_plaintext[265] = {
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0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2d, 0x44, 0x72, 0x61, 0x66, 0x74, 0x73, 0x20,
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0x61, 0x72, 0x65, 0x20, 0x64, 0x72, 0x61, 0x66, 0x74, 0x20, 0x64, 0x6f, 0x63, 0x75, 0x6d, 0x65,
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0x6e, 0x74, 0x73, 0x20, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x61, 0x20,
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0x6d, 0x61, 0x78, 0x69, 0x6d, 0x75, 0x6d, 0x20, 0x6f, 0x66, 0x20, 0x73, 0x69, 0x78, 0x20, 0x6d,
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0x6f, 0x6e, 0x74, 0x68, 0x73, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x6d, 0x61, 0x79, 0x20, 0x62, 0x65,
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0x20, 0x75, 0x70, 0x64, 0x61, 0x74, 0x65, 0x64, 0x2c, 0x20, 0x72, 0x65, 0x70, 0x6c, 0x61, 0x63,
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0x65, 0x64, 0x2c, 0x20, 0x6f, 0x72, 0x20, 0x6f, 0x62, 0x73, 0x6f, 0x6c, 0x65, 0x74, 0x65, 0x64,
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0x20, 0x62, 0x79, 0x20, 0x6f, 0x74, 0x68, 0x65, 0x72, 0x20, 0x64, 0x6f, 0x63, 0x75, 0x6d, 0x65,
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0x6e, 0x74, 0x73, 0x20, 0x61, 0x74, 0x20, 0x61, 0x6e, 0x79, 0x20, 0x74, 0x69, 0x6d, 0x65, 0x2e,
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0x20, 0x49, 0x74, 0x20, 0x69, 0x73, 0x20, 0x69, 0x6e, 0x61, 0x70, 0x70, 0x72, 0x6f, 0x70, 0x72,
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0x69, 0x61, 0x74, 0x65, 0x20, 0x74, 0x6f, 0x20, 0x75, 0x73, 0x65, 0x20, 0x49, 0x6e, 0x74, 0x65,
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0x72, 0x6e, 0x65, 0x74, 0x2d, 0x44, 0x72, 0x61, 0x66, 0x74, 0x73, 0x20, 0x61, 0x73, 0x20, 0x72,
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0x65, 0x66, 0x65, 0x72, 0x65, 0x6e, 0x63, 0x65, 0x20, 0x6d, 0x61, 0x74, 0x65, 0x72, 0x69, 0x61,
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0x6c, 0x20, 0x6f, 0x72, 0x20, 0x74, 0x6f, 0x20, 0x63, 0x69, 0x74, 0x65, 0x20, 0x74, 0x68, 0x65,
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0x6d, 0x20, 0x6f, 0x74, 0x68, 0x65, 0x72, 0x20, 0x74, 0x68, 0x61, 0x6e, 0x20, 0x61, 0x73, 0x20,
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0x2f, 0xe2, 0x80, 0x9c, 0x77, 0x6f, 0x72, 0x6b, 0x20, 0x69, 0x6e, 0x20, 0x70, 0x72, 0x6f, 0x67,
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0x72, 0x65, 0x73, 0x73, 0x2e, 0x2f, 0xe2, 0x80, 0x9d
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};
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u8 expected_tag[16] = {
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0xee, 0xad, 0x9d, 0x67, 0x89, 0x0c, 0xbb, 0x22, 0x39, 0x23, 0x36, 0xfe, 0xa1, 0x85, 0x1f, 0x38
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};
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auto plaintext = ReadonlyBytes { expected_plaintext, 265 };
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auto tag = ReadonlyBytes { expected_tag, 16 };
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Crypto::AEAD::ChaCha20Poly1305 aead(ReadonlyBytes { key, 32 }, ReadonlyBytes { nonce, 12 });
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auto decrypted = MUST(aead.decrypt(ReadonlyBytes { aad, 12 }, ReadonlyBytes { ciphertext, 265 }));
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EXPECT_EQ(decrypted.size(), plaintext.size() + 16);
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EXPECT_EQ(decrypted.bytes().slice(0, plaintext.size()), plaintext);
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EXPECT_EQ(decrypted.bytes().slice_from_end(16), tag);
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}
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TEST_CASE(test_aead_encrypt_and_decrypt)
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{
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auto plaintext = MUST(String::from_utf8("Well, hello friends :)"sv));
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u8 aad[12] = { 0x50, 0x51, 0x52, 0x53, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7 };
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u8 key[32] = {
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0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
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0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f
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};
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u8 nonce[12] = { 0x07, 0x00, 0x00, 0x00, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47 };
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Crypto::AEAD::ChaCha20Poly1305 aead(ReadonlyBytes { key, 32 }, ReadonlyBytes { nonce, 12 });
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auto encrypted = MUST(aead.encrypt(ReadonlyBytes { aad, 12 }, plaintext.bytes()));
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auto decrypted = MUST(aead.decrypt(ReadonlyBytes { aad, 12 }, encrypted.bytes().slice(0, encrypted.bytes().size() - 16)));
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EXPECT(Crypto::AEAD::ChaCha20Poly1305::verify_tag(encrypted, decrypted));
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EXPECT_EQ(decrypted.bytes().slice(0, encrypted.bytes().size() - 16), plaintext.bytes());
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}
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