102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
/* SPDX-License-Identifier: GPL-2.0
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*
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* Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
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*/
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package xchacha20poly1305
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import (
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"encoding/hex"
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"testing"
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)
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type XChaCha20Test struct {
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Nonce string
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Key string
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PT string
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CT string
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}
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func TestXChaCha20(t *testing.T) {
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tests := []XChaCha20Test{
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{
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Nonce: "000000000000000000000000000000000000000000000000",
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Key: "0000000000000000000000000000000000000000000000000000000000000000",
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PT: "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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CT: "789e9689e5208d7fd9e1f3c5b5341f48ef18a13e418998addadd97a3693a987f8e82ecd5c1433bfed1af49750c0f1ff29c4174a05b119aa3a9e8333812e0c0feb1299c5949d895ee01dbf50f8395dd84",
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},
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{
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Nonce: "0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f",
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Key: "0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f",
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PT: "0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f",
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CT: "e1a046aa7f71e2af8b80b6408b2fd8d3a350278cde79c94d9efaa475e1339b3dd490127b",
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},
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{
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Nonce: "d9a8213e8a697508805c2c171ad54487ead9e3e02d82d5bc",
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Key: "979196dbd78526f2f584f7534db3f5824d8ccfa858ca7e09bdd3656ecd36033c",
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PT: "43cc6d624e451bbed952c3e071dc6c03392ce11eb14316a94b2fdc98b22fedea",
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CT: "53c1e8bef2dbb8f2505ec010a7afe21d5a8e6dd8f987e4ea1a2ed5dfbc844ea400db34496fd2153526c6e87c36694200",
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},
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}
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for _, test := range tests {
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nonce, err := hex.DecodeString(test.Nonce)
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if err != nil {
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panic(err)
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}
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key, err := hex.DecodeString(test.Key)
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if err != nil {
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panic(err)
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}
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pt, err := hex.DecodeString(test.PT)
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if err != nil {
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panic(err)
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}
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func() {
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var nonceArray [24]byte
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var keyArray [32]byte
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copy(nonceArray[:], nonce)
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copy(keyArray[:], key)
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// test encryption
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ct := Encrypt(
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nil,
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&nonceArray,
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pt,
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nil,
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&keyArray,
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)
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ctHex := hex.EncodeToString(ct)
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if ctHex != test.CT {
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t.Fatal("encryption failed, expected:", test.CT, "got", ctHex)
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}
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// test decryption
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ptp, err := Decrypt(
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nil,
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&nonceArray,
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ct,
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nil,
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&keyArray,
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)
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if err != nil {
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t.Fatal(err)
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}
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ptHex := hex.EncodeToString(ptp)
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if ptHex != test.PT {
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t.Fatal("decryption failed, expected:", test.PT, "got", ptHex)
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}
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}()
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}
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}
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