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keys_serialize_test.go
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package gotrax
import . "gopkg.in/check.v1"
func (s *GotraxSuite) Test_publicKey_ed448_serializesCorrectly(c *C) {
pk := generatePublicKeyFrom([SymKeyLength]byte{0xAB, 0x42})
ser := pk.Serialize()
expectedSer := []byte{
0x00, 0x10,
0x85, 0x9f, 0x37, 0x1f, 0xf3, 0x4f, 0x36, 0x44,
0x5a, 0x99, 0xca, 0x8a, 0x11, 0x17, 0x6b, 0xb8,
0x1e, 0xe0, 0x60, 0x39, 0x32, 0x76, 0x71, 0xf4,
0xc6, 0x83, 0x77, 0x01, 0x45, 0x27, 0x35, 0x3c,
0x75, 0xae, 0xee, 0xaa, 0xf9, 0x79, 0x69, 0xa0,
0xd8, 0x9a, 0x3a, 0xb1, 0x48, 0xf6, 0x44, 0x41,
0x83, 0x30, 0x9f, 0x41, 0x38, 0x1b, 0xf3, 0x29,
0x00,
}
c.Assert(ser, DeepEquals, expectedSer)
}
func (s *GotraxSuite) Test_publicKey_shared_serializesCorrectly(c *C) {
pk := generatePublicKeyFrom([SymKeyLength]byte{0xAB, 0x42})
pk.keyType = SharedPrekeyKey
ser := pk.Serialize()
expectedSer := []byte{
0x00, 0x11,
0x85, 0x9f, 0x37, 0x1f, 0xf3, 0x4f, 0x36, 0x44,
0x5a, 0x99, 0xca, 0x8a, 0x11, 0x17, 0x6b, 0xb8,
0x1e, 0xe0, 0x60, 0x39, 0x32, 0x76, 0x71, 0xf4,
0xc6, 0x83, 0x77, 0x01, 0x45, 0x27, 0x35, 0x3c,
0x75, 0xae, 0xee, 0xaa, 0xf9, 0x79, 0x69, 0xa0,
0xd8, 0x9a, 0x3a, 0xb1, 0x48, 0xf6, 0x44, 0x41,
0x83, 0x30, 0x9f, 0x41, 0x38, 0x1b, 0xf3, 0x29,
0x00,
}
c.Assert(ser, DeepEquals, expectedSer)
}
func (s *GotraxSuite) Test_EddsaSignature_serializesCorrectly(c *C) {
sig := &EddsaSignature{
s: [114]byte{0x12, 0x34, 0x55},
}
ser := sig.Serialize()
expectedSer := []byte{
0x12, 0x34, 0x55, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00,
}
c.Assert(ser, DeepEquals, expectedSer)
}
func (s *GotraxSuite) Test_EddsaSignature_deserializesCorrectly(c *C) {
ser := []byte{
0x12, 0x34, 0x55, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x42,
}
sig := &EddsaSignature{}
r, ok := sig.Deserialize(ser)
c.Assert(ok, Equals, true)
c.Assert(sig.s, DeepEquals, [114]byte{0x12, 0x34, 0x55})
c.Assert(r, DeepEquals, []byte{0x42})
}
func (s *GotraxSuite) Test_DeserializeScalar_failsOnShortBuffer(c *C) {
ser := []byte{
0x12, 0x34, 0x55, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}
b, _, ok := DeserializeScalar(ser)
c.Assert(b, IsNil)
c.Assert(ok, Equals, false)
}
func (s *GotraxSuite) Test_EddsaSignature_failsOnShortDeserialize(c *C) {
ser := []byte{
0x12, 0x34, 0x55, 0x00, 0x00, 0x00, 0x00, 0x0,
}
sig := &EddsaSignature{}
r, ok := sig.Deserialize(ser)
c.Assert(ok, Equals, false)
c.Assert(r, IsNil)
}
func (s *GotraxSuite) Test_publicKey_deserializesCorrectly(c *C) {
pk := generatePublicKeyFrom([SymKeyLength]byte{0xAB, 0x42})
ser := []byte{
0x00, 0x10,
0x85, 0x9f, 0x37, 0x1f, 0xf3, 0x4f, 0x36, 0x44,
0x5a, 0x99, 0xca, 0x8a, 0x11, 0x17, 0x6b, 0xb8,
0x1e, 0xe0, 0x60, 0x39, 0x32, 0x76, 0x71, 0xf4,
0xc6, 0x83, 0x77, 0x01, 0x45, 0x27, 0x35, 0x3c,
0x75, 0xae, 0xee, 0xaa, 0xf9, 0x79, 0x69, 0xa0,
0xd8, 0x9a, 0x3a, 0xb1, 0x48, 0xf6, 0x44, 0x41,
0x83, 0x30, 0x9f, 0x41, 0x38, 0x1b, 0xf3, 0x29,
0x00,
}
pk1 := &PublicKey{keyType: Ed448Key}
_, ok := pk1.Deserialize(ser)
c.Assert(ok, Equals, true)
c.Assert(pk1.k.Equals(pk.k), Equals, true)
}
func (s *GotraxSuite) Test_publicKey_deserializesCorrectly_forSharedKey(c *C) {
pk := generatePublicKeyFrom([SymKeyLength]byte{0xAB, 0x42})
ser := []byte{
0x00, 0x11,
0x85, 0x9f, 0x37, 0x1f, 0xf3, 0x4f, 0x36, 0x44,
0x5a, 0x99, 0xca, 0x8a, 0x11, 0x17, 0x6b, 0xb8,
0x1e, 0xe0, 0x60, 0x39, 0x32, 0x76, 0x71, 0xf4,
0xc6, 0x83, 0x77, 0x01, 0x45, 0x27, 0x35, 0x3c,
0x75, 0xae, 0xee, 0xaa, 0xf9, 0x79, 0x69, 0xa0,
0xd8, 0x9a, 0x3a, 0xb1, 0x48, 0xf6, 0x44, 0x41,
0x83, 0x30, 0x9f, 0x41, 0x38, 0x1b, 0xf3, 0x29,
0x00,
}
pk1 := &PublicKey{keyType: SharedPrekeyKey}
_, ok := pk1.Deserialize(ser)
c.Assert(ok, Equals, true)
c.Assert(pk1.k.Equals(pk.k), Equals, true)
}
func (s *GotraxSuite) Test_publicKey_deserialize_failsOnKeyTypeExtraction(c *C) {
ser := []byte{
0x00,
}
pk1 := &PublicKey{}
_, ok := pk1.Deserialize(ser)
c.Assert(ok, Equals, false)
}
func (s *GotraxSuite) Test_publicKey_deserialize_failsOnKeyType(c *C) {
ser := []byte{
0x00, 0x09,
}
pk1 := &PublicKey{}
_, ok := pk1.Deserialize(ser)
c.Assert(ok, Equals, false)
}
func (s *GotraxSuite) Test_publicKey_deserialize_failsOnMissingKey(c *C) {
ser := []byte{
0x00, 0x10,
0x00, 0x01,
}
pk1 := &PublicKey{}
_, ok := pk1.Deserialize(ser)
c.Assert(ok, Equals, false)
}
func (s *GotraxSuite) Test_SerializePoint_serializesThePoint(c *C) {
pk := generatePublicKeyFrom([SymKeyLength]byte{0xAB, 0x42}).k
ser := SerializePoint(pk)
expectedSer := []byte{
0x85, 0x9f, 0x37, 0x1f, 0xf3, 0x4f, 0x36, 0x44,
0x5a, 0x99, 0xca, 0x8a, 0x11, 0x17, 0x6b, 0xb8,
0x1e, 0xe0, 0x60, 0x39, 0x32, 0x76, 0x71, 0xf4,
0xc6, 0x83, 0x77, 0x01, 0x45, 0x27, 0x35, 0x3c,
0x75, 0xae, 0xee, 0xaa, 0xf9, 0x79, 0x69, 0xa0,
0xd8, 0x9a, 0x3a, 0xb1, 0x48, 0xf6, 0x44, 0x41,
0x83, 0x30, 0x9f, 0x41, 0x38, 0x1b, 0xf3, 0x29,
0x00,
}
c.Assert(ser, DeepEquals, expectedSer)
}