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Throw the code out there. :)

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This commit is contained in:
Mikkel Krautz 2010-09-20 15:14:22 +02:00
commit 73ab596ae6
27 changed files with 3565 additions and 0 deletions
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147
pkg/cryptstate/cryptstate_test.go Normal file
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@ -0,0 +1,147 @@
package cryptstate
import (
"testing"
)
func BlockCompare(a []byte, b []byte) (match bool) {
if len(a) != len(b) {
return
}
for i := 0; i < len(a); i++ {
if a[i] != b[i] {
return
}
}
match = true
return
}
func TestTimes2(t *testing.T) {
msg := [AESBlockSize]byte{
0x80, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe,
}
expected := [AESBlockSize]byte{
0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7b,
}
times2(msg[0:])
if BlockCompare(msg[0:], expected[0:]) == false {
t.Errorf("times2 produces invalid output: %v, expected: %v", msg, expected)
}
}
func TestTimes3(t *testing.T) {
msg := [AESBlockSize]byte{
0x80, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe,
}
expected := [AESBlockSize]byte {
0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x85,
}
times3(msg[0:])
if BlockCompare(msg[0:], expected[0:]) == false {
t.Errorf("times3 produces invalid output: %v, expected: %v", msg, expected)
}
}
func TestZeros(t *testing.T) {
var msg [AESBlockSize]byte
zeros(msg[0:])
for i := 0; i < len(msg); i++ {
if msg[i] != 0 {
t.Errorf("zeros does not zero slice.")
}
}
}
func TestXor(t *testing.T) {
msg := [AESBlockSize]byte{
0x80, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe,
}
var out [AESBlockSize]byte
xor(out[0:], msg[0:], msg[0:])
for i := 0; i < len(out); i++ {
if out[i] != 0 {
t.Errorf("XOR broken")
}
}
}
func TestEncrypt(t *testing.T) {
msg := [15]byte {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
}
key := [AESBlockSize]byte {
0x96, 0x8b, 0x1b, 0x0c, 0x53, 0x1e, 0x1f, 0x80, 0xa6, 0x1d, 0xcb, 0x27, 0x94, 0x09, 0x6f, 0x32,
}
eiv := [AESBlockSize]byte {
0x1e, 0x2a, 0x9b, 0xd0, 0x2d, 0xa6, 0x8e, 0x46, 0x26, 0x85, 0x83, 0xe9, 0x14, 0x2a, 0xff, 0x2a,
}
div := [AESBlockSize]byte {
0x73, 0x99, 0x9d, 0xa2, 0x03, 0x70, 0x00, 0x96, 0xef, 0x55, 0x06, 0x7a, 0x8b, 0xbe, 0x00, 0x07,
}
expected := [19]byte {
0x1f, 0xfc, 0xdd, 0xb4, 0x68, 0x13, 0x68, 0xb7, 0x92, 0x67, 0xca, 0x2d, 0xba, 0xb7, 0x0d, 0x44, 0xdf, 0x32, 0xd4,
}
expected_eiv := [AESBlockSize]byte {
0x1f, 0x2a, 0x9b, 0xd0, 0x2d, 0xa6, 0x8e, 0x46, 0x26, 0x85, 0x83, 0xe9, 0x14, 0x2a, 0xff, 0x2a,
}
cs, err := New()
if err != nil {
t.Errorf("%v", err)
}
out := make([]byte, 19)
cs.SetKey(key[0:], eiv[0:], div[0:])
cs.Encrypt(msg[0:], out[0:])
if BlockCompare(out[0:], expected[0:]) == false {
t.Errorf("Mismatch in output")
}
if BlockCompare(cs.EncryptIV[0:], expected_eiv[0:]) == false {
t.Errorf("EIV mismatch")
}
}
func TestDecrypt(t *testing.T) {
key := [AESBlockSize]byte {
0x96, 0x8b, 0x1b, 0x0c, 0x53, 0x1e, 0x1f, 0x80, 0xa6, 0x1d, 0xcb, 0x27, 0x94, 0x09, 0x6f, 0x32,
}
eiv := [AESBlockSize]byte {
0x1e, 0x2a, 0x9b, 0xd0, 0x2d, 0xa6, 0x8e, 0x46, 0x26, 0x85, 0x83, 0xe9, 0x14, 0x2a, 0xff, 0x2a,
}
div := [AESBlockSize]byte {
0x73, 0x99, 0x9d, 0xa2, 0x03, 0x70, 0x00, 0x96, 0xef, 0x55, 0x06, 0x7a, 0x8b, 0xbe, 0x00, 0x07,
}
crypted := [19]byte {
0x1f, 0xfc, 0xdd, 0xb4, 0x68, 0x13, 0x68, 0xb7, 0x92, 0x67, 0xca, 0x2d, 0xba, 0xb7, 0x0d, 0x44, 0xdf, 0x32, 0xd4,
}
expected := [15]byte {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
}
post_div := [AESBlockSize]byte {
0x1f, 0x2a, 0x9b, 0xd0, 0x2d, 0xa6, 0x8e, 0x46, 0x26, 0x85, 0x83, 0xe9, 0x14, 0x2a, 0xff, 0x2a,
}
cs, err := New()
if err != nil {
t.Errorf("%v", err)
}
out := make([]byte, 15)
cs.SetKey(key[0:], div[0:], eiv[0:])
cs.Decrypt(crypted[0:], out[0:])
if BlockCompare(out[0:], expected[0:]) == false {
t.Errorf("Mismatch in output")
}
if BlockCompare(cs.DecryptIV[0:], post_div[0:]) == false {
t.Errorf("Mismatch in DIV")
}
}