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https://github.com/autc04/Retro68.git
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60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package rc4
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import (
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"testing"
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)
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type rc4Test struct {
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key, keystream []byte
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}
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var golden = []rc4Test{
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// Test vectors from the original cypherpunk posting of ARC4:
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// http://groups.google.com/group/sci.crypt/msg/10a300c9d21afca0?pli=1
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{
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[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
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[]byte{0x74, 0x94, 0xc2, 0xe7, 0x10, 0x4b, 0x08, 0x79},
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},
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{
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[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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[]byte{0xde, 0x18, 0x89, 0x41, 0xa3, 0x37, 0x5d, 0x3a},
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},
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{
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[]byte{0xef, 0x01, 0x23, 0x45},
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[]byte{0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf, 0xbd, 0x61},
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},
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// Test vectors from the Wikipedia page: http://en.wikipedia.org/wiki/RC4
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{
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[]byte{0x4b, 0x65, 0x79},
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[]byte{0xeb, 0x9f, 0x77, 0x81, 0xb7, 0x34, 0xca, 0x72, 0xa7, 0x19},
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},
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{
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[]byte{0x57, 0x69, 0x6b, 0x69},
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[]byte{0x60, 0x44, 0xdb, 0x6d, 0x41, 0xb7},
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},
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}
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func TestGolden(t *testing.T) {
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for i := 0; i < len(golden); i++ {
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g := golden[i]
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c, err := NewCipher(g.key)
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if err != nil {
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t.Errorf("Failed to create cipher at golden index %d", i)
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return
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}
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keystream := make([]byte, len(g.keystream))
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c.XORKeyStream(keystream, keystream)
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for j, v := range keystream {
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if g.keystream[j] != v {
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t.Errorf("Failed at golden index %d", i)
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break
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}
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}
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}
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}
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