357 lines
7.4 KiB
Go
357 lines
7.4 KiB
Go
package aes
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import (
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"bytes"
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"testing"
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)
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func TestShiftRows(t *testing.T) {
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input := Block{
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0, 1, 2, 3,
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4, 5, 6, 7,
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8, 9, 10, 11,
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12, 13, 14, 15,
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}
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expected := Block{
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0, 1, 2, 3,
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5, 6, 7, 4,
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10, 11, 8, 9,
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15, 12, 13, 14,
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}
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actual := shiftRows(input)
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if !bytes.Equal(expected, actual) {
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t.Errorf(
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"failed to get right ShiftRows:\n\texpected: % x\n\t actual: % x",
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expected,
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actual,
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)
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}
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}
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func TestSubBytes(t *testing.T) {
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input := Block{
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0x19, 0xa0, 0x9a, 0xe9,
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0x3d, 0xf4, 0xc6, 0xf8,
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0xe3, 0xe2, 0x8d, 0x48,
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0xbe, 0x2b, 0x2a, 0x08,
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}
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expected := Block{
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0xd4, 0xe0, 0xb8, 0x1e,
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0x27, 0xbf, 0xb4, 0x41,
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0x11, 0x98, 0x5d, 0x52,
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0xae, 0xf1, 0xe5, 0x30,
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}
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actual := subBytes(input)
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if !bytes.Equal(expected, actual) {
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t.Errorf(
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"failed to get right ShiftRows:\n\texpected: % x\n\t actual: % x",
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expected,
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actual,
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)
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}
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}
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func TestSplitBytes(t *testing.T) {
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input := byte(0xab)
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expected1 := byte(0xa)
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expected2 := byte(0xb)
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actual1, actual2 := splitBytes(input)
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if expected1 != actual1 || expected2 != actual2 {
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t.Errorf(
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"failed to get SplitBytes:\n\texpected: 0x%x 0x%x\n\t actual: 0x%x 0x%x",
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expected1,
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expected2,
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actual1,
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actual2,
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)
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}
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}
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func TestXtime(t *testing.T) {
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input := byte(0x14)
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expected := []byte{
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0x14, 0x28, 0x50, 0xa0,
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0x5b, 0xb6, 0x77, 0xee,
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}
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actual := xtime(input)
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if !bytes.Equal(expected, actual) {
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t.Errorf(
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"failed to get Xtime:\n\texpected: % x\n\tactual: % x",
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expected,
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actual,
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)
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}
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}
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func TestFFmult(t *testing.T) {
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input := xtime(0x14)
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expected1 := byte(0x14)
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expected2 := byte(0x28)
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expected3 := byte(0x3c)
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actual1 := ffmult(input, 1)
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actual2 := ffmult(input, 2)
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actual3 := ffmult(input, 3)
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if expected1 != actual1 || expected2 != actual2 || expected3 != actual3 {
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t.Errorf(
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"failed to get FFmult:\n\texpected: 0x% x 0x% x 0x% x\n\t actual:0x% x 0x% x 0x% x",
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expected1,
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expected2,
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expected3,
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actual1,
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actual2,
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actual3,
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)
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}
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}
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func TestMixColumns(t *testing.T) {
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input := Block{
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0xdb, 0xf2, 0x2d, 0x01,
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0x13, 0x0a, 0x26, 0x01,
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0x53, 0x22, 0x31, 0x01,
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0x45, 0x5c, 0x4c, 0x01,
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}
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expected := Block{
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0x8e, 0x9f, 0x4d, 0x01,
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0x4d, 0xdc, 0x7e, 0x01,
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0xa1, 0x58, 0xbd, 0x01,
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0xbc, 0x9d, 0xf8, 0x01,
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}
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actual := mixColumns(input)
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for i := 0; i < 16; i++ {
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if actual[i] != expected[i] {
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t.Errorf(
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"failed to get MixColumn:\n\texpected: %v \n\tactual: %v", expected, actual,
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)
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}
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}
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}
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func TestCipher(t *testing.T) {
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key := Block{
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0x2b, 0x28, 0xab, 0x09,
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0x7e, 0xae, 0xf7, 0xcf,
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0x15, 0xd2, 0x15, 0x4f,
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0x16, 0xa6, 0x88, 0x3c,
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}
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input := Block{
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0x32, 0x88, 0x31, 0xe0,
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0x43, 0x5a, 0x31, 0x37,
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0xf6, 0x30, 0x98, 0x07,
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0xa8, 0x8d, 0xa2, 0x34,
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}
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expected := Block{
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0x39, 0x02, 0xdc, 0x19,
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0x25, 0xdc, 0x11, 0x6a,
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0x84, 0x09, 0x85, 0x0b,
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0x1d, 0xfb, 0x97, 0x32,
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}
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actual := Cipher(input, 128, key)
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for i := 0; i < 16; i++ {
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if actual[i] != expected[i] {
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t.Errorf(
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"failed to get Cipher:\n\texpected: %v\n\tactual: %v", expected, actual,
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)
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}
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}
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//Test case for 128 from FIPS
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key = Block{
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0x00, 0x04, 0x08, 0x0c,
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0x01, 0x05, 0x09, 0x0d,
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0x02, 0x06, 0x0a, 0x0e,
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0x03, 0x07, 0x0b, 0x0f,
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}
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input = Block{
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0x00, 0x44, 0x88, 0xcc,
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0x11, 0x55, 0x99, 0xdd,
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0x22, 0x66, 0xaa, 0xee,
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0x33, 0x77, 0xbb, 0xff,
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}
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expected = Block{
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0x69, 0x6a, 0xd8, 0x70,
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0xc4, 0x7b, 0xcd, 0xb4,
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0xe0, 0x04, 0xb7, 0xc5,
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0xd8, 0x30, 0x80, 0x5a,
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}
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actual = Cipher(input, 128, key)
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for i := 0; i < 16; i++ {
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if actual[i] != expected[i] {
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t.Errorf(
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"failed to get Cipher:\n\texpected: %v\n\tactual: %v", expected, actual,
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)
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}
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}
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//Test case for 192 from FIPS
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key = Block{
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0x00, 0x04, 0x08, 0x0c, 0x10, 0x14,
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0x01, 0x05, 0x09, 0x0d, 0x11, 0x15,
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0x02, 0x06, 0x0a, 0x0e, 0x12, 0x16,
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0x03, 0x07, 0x0b, 0x0f, 0x13, 0x17,
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}
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input = Block{
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0x00, 0x44, 0x88, 0xcc,
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0x11, 0x55, 0x99, 0xdd,
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0x22, 0x66, 0xaa, 0xee,
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0x33, 0x77, 0xbb, 0xff,
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}
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expected = Block{
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0xdd, 0x86, 0x6e, 0xec,
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0xa9, 0x4c, 0xaf, 0x0d,
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0x7c, 0xdf, 0x70, 0x71,
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0xa4, 0xe0, 0xa0, 0x91,
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}
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actual = Cipher(input, 192, key)
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for i := 0; i < 16; i++ {
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if actual[i] != expected[i] {
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t.Errorf(
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"failed to get Cipher:\n\texpected: %v\n\tactual: %v", expected, actual,
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)
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}
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}
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//Test case for 256 from FIPS
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key = Block{
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0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, 0x18, 0x1c,
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0x01, 0x05, 0x09, 0x0d, 0x11, 0x15, 0x19, 0x1d,
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0x02, 0x06, 0x0a, 0x0e, 0x12, 0x16, 0x1a, 0x1e,
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0x03, 0x07, 0x0b, 0x0f, 0x13, 0x17, 0x1b, 0x1f,
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}
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input = Block{
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0x00, 0x44, 0x88, 0xcc,
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0x11, 0x55, 0x99, 0xdd,
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0x22, 0x66, 0xaa, 0xee,
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0x33, 0x77, 0xbb, 0xff,
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}
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expected = Block{
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0x8e, 0x51, 0xea, 0x4b,
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0xa2, 0x67, 0xfc, 0x49,
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0xb7, 0x45, 0x49, 0x60,
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0xca, 0xbf, 0x90, 0x89,
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}
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actual = Cipher(input, 256, key)
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for i := 0; i < 16; i++ {
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if actual[i] != expected[i] {
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t.Errorf(
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"failed to get Cipher:\n\texpected: %v\n\tactual: %v", expected, actual,
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)
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}
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}
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}
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func TestInvCipher(t *testing.T) {
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key := Block{
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0x2b, 0x28, 0xab, 0x09,
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0x7e, 0xae, 0xf7, 0xcf,
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0x15, 0xd2, 0x15, 0x4f,
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0x16, 0xa6, 0x88, 0x3c,
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}
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input := Block{
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0x39, 0x02, 0xdc, 0x19,
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0x25, 0xdc, 0x11, 0x6a,
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0x84, 0x09, 0x85, 0x0b,
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0x1d, 0xfb, 0x97, 0x32,
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}
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expected := Block{
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0x32, 0x88, 0x31, 0xe0,
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0x43, 0x5a, 0x31, 0x37,
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0xf6, 0x30, 0x98, 0x07,
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0xa8, 0x8d, 0xa2, 0x34,
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}
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actual := InvCipher(input, 128, key)
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for i := 0; i < 16; i++ {
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if actual[i] != expected[i] {
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t.Errorf(
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"failed to get Cipher:\n\texpected: %v\n\tactual: %v", expected, actual,
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)
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}
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}
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//Test case for 128 from FIPS
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key = Block{
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0x00, 0x04, 0x08, 0x0c,
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0x01, 0x05, 0x09, 0x0d,
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0x02, 0x06, 0x0a, 0x0e,
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0x03, 0x07, 0x0b, 0x0f,
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}
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input = Block{
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0x69, 0x6a, 0xd8, 0x70,
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0xc4, 0x7b, 0xcd, 0xb4,
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0xe0, 0x04, 0xb7, 0xc5,
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0xd8, 0x30, 0x80, 0x5a,
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}
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expected = Block{
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0x00, 0x44, 0x88, 0xcc,
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0x11, 0x55, 0x99, 0xdd,
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0x22, 0x66, 0xaa, 0xee,
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0x33, 0x77, 0xbb, 0xff,
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}
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actual = InvCipher(input, 128, key)
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for i := 0; i < 16; i++ {
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if actual[i] != expected[i] {
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t.Errorf(
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"failed to get Cipher:\n\texpected: %v\n\tactual: %v", expected, actual,
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)
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}
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}
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//Test case for 192 from FIPS
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key = Block{
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0x00, 0x04, 0x08, 0x0c, 0x10, 0x14,
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0x01, 0x05, 0x09, 0x0d, 0x11, 0x15,
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0x02, 0x06, 0x0a, 0x0e, 0x12, 0x16,
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0x03, 0x07, 0x0b, 0x0f, 0x13, 0x17,
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}
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input = Block{
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0xdd, 0x86, 0x6e, 0xec,
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0xa9, 0x4c, 0xaf, 0x0d,
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0x7c, 0xdf, 0x70, 0x71,
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0xa4, 0xe0, 0xa0, 0x91,
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}
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expected = Block{
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0x00, 0x44, 0x88, 0xcc,
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0x11, 0x55, 0x99, 0xdd,
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0x22, 0x66, 0xaa, 0xee,
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0x33, 0x77, 0xbb, 0xff,
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}
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actual = InvCipher(input, 192, key)
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for i := 0; i < 16; i++ {
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if actual[i] != expected[i] {
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t.Errorf(
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"failed to get Cipher:\n\texpected: %v \n\tactual:%v", expected, actual,
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)
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}
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}
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//Test case for 256 from FIPS
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key = Block{
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0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, 0x18, 0x1c,
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0x01, 0x05, 0x09, 0x0d, 0x11, 0x15, 0x19, 0x1d,
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0x02, 0x06, 0x0a, 0x0e, 0x12, 0x16, 0x1a, 0x1e,
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0x03, 0x07, 0x0b, 0x0f, 0x13, 0x17, 0x1b, 0x1f,
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}
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input = Block{
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0x8e, 0x51, 0xea, 0x4b,
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0xa2, 0x67, 0xfc, 0x49,
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0xb7, 0x45, 0x49, 0x60,
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0xca, 0xbf, 0x90, 0x89,
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}
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expected = Block{
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0x00, 0x44, 0x88, 0xcc,
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0x11, 0x55, 0x99, 0xdd,
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0x22, 0x66, 0xaa, 0xee,
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0x33, 0x77, 0xbb, 0xff,
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}
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actual = InvCipher(input, 256, key)
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for i := 0; i < 16; i++ {
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if actual[i] != expected[i] {
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t.Errorf(
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"failed to get Cipher:\n\texpected: %v\n\tactual: %v", expected, actual,
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)
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}
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}
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}
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