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76 lines
2.9 KiB
C++
76 lines
2.9 KiB
C++
/*
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* Copyright (c) 2022, 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 <LibCrypto/Curves/X25519.h>
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#include <LibTest/TestCase.h>
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TEST_CASE(test_x25519)
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{
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// https://datatracker.ietf.org/doc/html/rfc7748#section-6.1
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u8 alice_private_key_data[32] {
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0x77, 0x07, 0x6d, 0x0a, 0x73, 0x18, 0xa5, 0x7d,
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0x3c, 0x16, 0xc1, 0x72, 0x51, 0xb2, 0x66, 0x45,
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0xdf, 0x4c, 0x2f, 0x87, 0xeb, 0xc0, 0x99, 0x2a,
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0xb1, 0x77, 0xfb, 0xa5, 0x1d, 0xb9, 0x2c, 0x2a
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};
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u8 alice_public_key_data[32] {
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0x85, 0x20, 0xf0, 0x09, 0x89, 0x30, 0xa7, 0x54,
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0x74, 0x8b, 0x7d, 0xdc, 0xb4, 0x3e, 0xf7, 0x5a,
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0x0d, 0xbf, 0x3a, 0x0d, 0x26, 0x38, 0x1a, 0xf4,
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0xeb, 0xa4, 0xa9, 0x8e, 0xaa, 0x9b, 0x4e, 0x6a
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};
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u8 bob_private_key_data[32] {
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0x5d, 0xab, 0x08, 0x7e, 0x62, 0x4a, 0x8a, 0x4b,
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0x79, 0xe1, 0x7f, 0x8b, 0x83, 0x80, 0x0e, 0xe6,
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0x6f, 0x3b, 0xb1, 0x29, 0x26, 0x18, 0xb6, 0xfd,
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0x1c, 0x2f, 0x8b, 0x27, 0xff, 0x88, 0xe0, 0xeb
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};
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u8 bob_public_key_data[32] {
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0xde, 0x9e, 0xdb, 0x7d, 0x7b, 0x7d, 0xc1, 0xb4,
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0xd3, 0x5b, 0x61, 0xc2, 0xec, 0xe4, 0x35, 0x37,
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0x3f, 0x83, 0x43, 0xc8, 0x5b, 0x78, 0x67, 0x4d,
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0xad, 0xfc, 0x7e, 0x14, 0x6f, 0x88, 0x2b, 0x4f
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};
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u8 shared_secret_data[32] {
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0x4a, 0x5d, 0x9d, 0x5b, 0xa4, 0xce, 0x2d, 0xe1,
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0x72, 0x8e, 0x3b, 0xf4, 0x80, 0x35, 0x0f, 0x25,
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0xe0, 0x7e, 0x21, 0xc9, 0x47, 0xd1, 0x9e, 0x33,
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0x76, 0xf0, 0x9b, 0x3c, 0x1e, 0x16, 0x17, 0x42
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};
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u8 coordinate_data[32] {
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0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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ReadonlyBytes coordinate { coordinate_data, 32 };
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ReadonlyBytes alice_public_key { alice_public_key_data, 32 };
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ReadonlyBytes alice_private_key { alice_private_key_data, 32 };
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ReadonlyBytes bob_public_key { bob_public_key_data, 32 };
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ReadonlyBytes bob_private_key { bob_private_key_data, 32 };
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ReadonlyBytes shared_secret { shared_secret_data, 32 };
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auto generated_alice_public = MUST(Crypto::Curves::X25519::compute_coordinate(alice_private_key, coordinate));
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EXPECT_EQ(alice_public_key, generated_alice_public);
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auto generated_bob_public = MUST(Crypto::Curves::X25519::compute_coordinate(bob_private_key, coordinate));
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EXPECT_EQ(bob_public_key, generated_bob_public);
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auto shared_alice = MUST(Crypto::Curves::X25519::compute_coordinate(alice_private_key, bob_public_key));
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EXPECT_EQ(shared_alice, shared_secret);
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auto shared_bob = MUST(Crypto::Curves::X25519::compute_coordinate(bob_private_key, alice_public_key));
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EXPECT_EQ(shared_bob, shared_secret);
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EXPECT_EQ(shared_alice, shared_bob);
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}
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