forked from External/grumble
79 lines
2.4 KiB
Go
79 lines
2.4 KiB
Go
// Copyright (c) 2010-2012 The Grumble Authors
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// The use of this source code is goverened by a BSD-style
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// license that can be found in the LICENSE-file.
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package cryptstate
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import (
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"bytes"
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"crypto/aes"
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"testing"
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)
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func TestEncrypt(t *testing.T) {
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msg := [15]byte{
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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}
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key := [aes.BlockSize]byte{
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0x96, 0x8b, 0x1b, 0x0c, 0x53, 0x1e, 0x1f, 0x80, 0xa6, 0x1d, 0xcb, 0x27, 0x94, 0x09, 0x6f, 0x32,
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}
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eiv := [aes.BlockSize]byte{
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0x1e, 0x2a, 0x9b, 0xd0, 0x2d, 0xa6, 0x8e, 0x46, 0x26, 0x85, 0x83, 0xe9, 0x14, 0x2a, 0xff, 0x2a,
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}
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div := [aes.BlockSize]byte{
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0x73, 0x99, 0x9d, 0xa2, 0x03, 0x70, 0x00, 0x96, 0xef, 0x55, 0x06, 0x7a, 0x8b, 0xbe, 0x00, 0x07,
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}
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expected := [19]byte{
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0x1f, 0xfc, 0xdd, 0xb4, 0x68, 0x13, 0x68, 0xb7, 0x92, 0x67, 0xca, 0x2d, 0xba, 0xb7, 0x0d, 0x44, 0xdf, 0x32, 0xd4,
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}
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expected_eiv := [aes.BlockSize]byte{
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0x1f, 0x2a, 0x9b, 0xd0, 0x2d, 0xa6, 0x8e, 0x46, 0x26, 0x85, 0x83, 0xe9, 0x14, 0x2a, 0xff, 0x2a,
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}
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cs := CryptState{}
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out := make([]byte, 19)
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cs.SetKey(key[0:], eiv[0:], div[0:])
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cs.Encrypt(out[0:], msg[0:])
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if !bytes.Equal(out[0:], expected[0:]) {
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t.Errorf("Mismatch in output")
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}
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if !bytes.Equal(cs.EncryptIV[0:], expected_eiv[0:]) {
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t.Errorf("EIV mismatch")
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}
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}
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func TestDecrypt(t *testing.T) {
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key := [aes.BlockSize]byte{
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0x96, 0x8b, 0x1b, 0x0c, 0x53, 0x1e, 0x1f, 0x80, 0xa6, 0x1d, 0xcb, 0x27, 0x94, 0x09, 0x6f, 0x32,
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}
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eiv := [aes.BlockSize]byte{
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0x1e, 0x2a, 0x9b, 0xd0, 0x2d, 0xa6, 0x8e, 0x46, 0x26, 0x85, 0x83, 0xe9, 0x14, 0x2a, 0xff, 0x2a,
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}
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div := [aes.BlockSize]byte{
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0x73, 0x99, 0x9d, 0xa2, 0x03, 0x70, 0x00, 0x96, 0xef, 0x55, 0x06, 0x7a, 0x8b, 0xbe, 0x00, 0x07,
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}
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crypted := [19]byte{
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0x1f, 0xfc, 0xdd, 0xb4, 0x68, 0x13, 0x68, 0xb7, 0x92, 0x67, 0xca, 0x2d, 0xba, 0xb7, 0x0d, 0x44, 0xdf, 0x32, 0xd4,
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}
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expected := [15]byte{
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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}
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post_div := [aes.BlockSize]byte{
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0x1f, 0x2a, 0x9b, 0xd0, 0x2d, 0xa6, 0x8e, 0x46, 0x26, 0x85, 0x83, 0xe9, 0x14, 0x2a, 0xff, 0x2a,
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}
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cs := CryptState{}
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out := make([]byte, 15)
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cs.SetKey(key[0:], div[0:], eiv[0:])
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cs.Decrypt(out[0:], crypted[0:])
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if !bytes.Equal(out[0:], expected[0:]) {
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t.Errorf("Mismatch in output")
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}
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if !bytes.Equal(cs.DecryptIV[0:], post_div[0:]) {
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t.Errorf("Mismatch in DIV")
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}
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}
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