mirror of https://github.com/status-im/megolm.git
117 lines
4.6 KiB
Go
117 lines
4.6 KiB
Go
package main
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import (
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"bytes"
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"encoding/hex"
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"log"
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"testing"
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)
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func TestAdvance(t *testing.T) {
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randomData := []byte("0123456789ABCDEF0123456789ABCDEF" +
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"0123456789ABCDEF0123456789ABCDEF" +
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"0123456789ABCDEF0123456789ABCDEF" +
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"0123456789ABCDEF0123456789ABCDEF")
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m, err := NewMegolm(randomData, 0)
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if err != nil {
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t.Fatal(err)
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}
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m.Advance()
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index := 1
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expected1 := [][]byte{
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[]byte{0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46},
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[]byte{0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46},
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[]byte{0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46},
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[]byte{0xba, 0x9c, 0xd9, 0x55, 0x74, 0x1d, 0x1c, 0x16, 0x23, 0x23, 0xec, 0x82, 0x5e, 0x7c, 0x5c, 0xe8,
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0x89, 0xbb, 0xb4, 0x23, 0xa1, 0x8f, 0x23, 0x82, 0x8f, 0xb2, 0x09, 0x0d, 0x6e, 0x2a, 0xf8, 0x6a},
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}
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if m.counter != index {
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t.Errorf("expected counter to be: %#x, got %#x", index, m.counter)
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}
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for i, _ := range m.data {
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if !bytes.Equal(m.data[i], expected1[i]) {
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t.Errorf("expected part 1 to be: %x, got %x", m.data[i], expected1[i])
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}
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}
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index = 0x1000000
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m.AdvanceTo(index)
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expected2 := [][]byte{
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[]byte{0x54, 0x02, 0x2d, 0x7d, 0xc0, 0x29, 0x8e, 0x16, 0x37, 0xe2, 0x1c, 0x97, 0x15, 0x30, 0x92, 0xf9,
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0x33, 0xc0, 0x56, 0xff, 0x74, 0xfe, 0x1b, 0x92, 0x2d, 0x97, 0x1f, 0x24, 0x82, 0xc2, 0x85, 0x9c},
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[]byte{0x70, 0x04, 0xc0, 0x1e, 0xe4, 0x9b, 0xd6, 0xef, 0xe0, 0x07, 0x35, 0x25, 0xaf, 0x9b, 0x16, 0x32,
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0xc5, 0xbe, 0x72, 0x6d, 0x12, 0x34, 0x9c, 0xc5, 0xbd, 0x47, 0x2b, 0xdc, 0x2d, 0xf6, 0x54, 0x0f},
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[]byte{0x31, 0x12, 0x59, 0x11, 0x94, 0xfd, 0xa6, 0x17, 0xe5, 0x68, 0xc6, 0x83, 0x10, 0x1e, 0xae, 0xcd,
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0x7e, 0xdd, 0xd6, 0xde, 0x1f, 0xbc, 0x07, 0x67, 0xae, 0x34, 0xda, 0x1a, 0x09, 0xa5, 0x4e, 0xab},
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[]byte{0xba, 0x9c, 0xd9, 0x55, 0x74, 0x1d, 0x1c, 0x16, 0x23, 0x23, 0xec, 0x82, 0x5e, 0x7c, 0x5c, 0xe8,
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0x89, 0xbb, 0xb4, 0x23, 0xa1, 0x8f, 0x23, 0x82, 0x8f, 0xb2, 0x09, 0x0d, 0x6e, 0x2a, 0xf8, 0x6a},
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}
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if m.counter != index {
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t.Errorf("expected counter to be: %#x, got %#x", index, m.counter)
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}
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for i, _ := range m.data {
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if !bytes.Equal(m.data[i], expected2[i]) {
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t.Errorf("expected part 1 to be: %x, got %x", m.data[i], expected1[i])
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}
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}
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index = 0x1041506
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m.AdvanceTo(index)
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expected3 := [][]byte{
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[]byte{0x54, 0x02, 0x2d, 0x7d, 0xc0, 0x29, 0x8e, 0x16, 0x37, 0xe2, 0x1c, 0x97, 0x15, 0x30, 0x92, 0xf9,
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0x33, 0xc0, 0x56, 0xff, 0x74, 0xfe, 0x1b, 0x92, 0x2d, 0x97, 0x1f, 0x24, 0x82, 0xc2, 0x85, 0x9c},
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[]byte{0x55, 0x58, 0x8d, 0xf5, 0xb7, 0xa4, 0x88, 0x78, 0x42, 0x89, 0x27, 0x86, 0x81, 0x64, 0x58, 0x9f,
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0x36, 0x63, 0x44, 0x7b, 0x51, 0xed, 0xc3, 0x59, 0x5b, 0x03, 0x6c, 0xa6, 0x04, 0xc4, 0x6d, 0xcd},
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[]byte{0x5c, 0x54, 0x85, 0x0b, 0xfa, 0x98, 0xa1, 0xfd, 0x79, 0xa9, 0xdf, 0x1c, 0xbe, 0x8f, 0xc5, 0x68,
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0x19, 0x37, 0xd3, 0x0c, 0x85, 0xc8, 0xc3, 0x1f, 0x7b, 0xb8, 0x28, 0x81, 0x6c, 0xf9, 0xff, 0x3b},
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[]byte{0x95, 0x6c, 0xbf, 0x80, 0x7e, 0x65, 0x12, 0x6a, 0x49, 0x55, 0x8d, 0x45, 0xc8, 0x4a, 0x2e, 0x4c,
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0xd5, 0x6f, 0x03, 0xe2, 0x44, 0x16, 0xb9, 0x8e, 0x1c, 0xfd, 0x97, 0xc2, 0x06, 0xaa, 0x90, 0x7a},
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}
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if m.counter != index {
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t.Errorf("expected counter to be: %#x, got %#x", index, m.counter)
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}
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for i, _ := range m.data {
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if !bytes.Equal(m.data[i], expected3[i]) {
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t.Errorf("expected part 1 to be: %x, got %x", m.data[i], expected1[i])
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}
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}
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}
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func decodeHEX(s string) []byte {
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decoded, err := hex.DecodeString(s)
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if err != nil {
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log.Fatal(err)
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}
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return decoded
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}
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func TestDeriveKeys(t *testing.T) {
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inputKeys := decodeHEX("3031323334353637383941424445463031323334353637383941424344454630313233343536373839414244454630313233343536373839414243444546303132333435363738394142444546303132333435363738394142434445463031323334353637383941424445463031323334353637383941424344454630313233")
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info := decodeHEX("4d45474f4c4d5f4b455953")
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expected := decodeHEX("bdf842da829272e777e3c6ba70bb2f6e976e32330691e4dc3ca3dbbd43c62c0f4075ce27caf907395c3287c1971d95c58909ce9f810c1ee79fef7eefa10c46dc3694fc16cbd3a8b16b66cbc897121c6b")
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keys, err := deriveKeys(inputKeys, []byte{}, info)
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if err != nil {
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t.Fatal(err)
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}
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res := keys.aesKey
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res = append(res, keys.macKey...)
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res = append(res, keys.aesIV...)
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if !bytes.Equal(expected, res) {
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t.Errorf("expected %x, got %x", expected, res)
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}
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}
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