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key_test.go
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package crypto_test
import (
. "github.com/libp2p/go-libp2p-crypto"
tu "github.com/libp2p/go-libp2p-crypto/test"
"bytes"
"crypto/rand"
"testing"
)
func TestKeys(t *testing.T) {
for _, typ := range KeyTypes {
testKeyType(typ, t)
}
}
func testKeyType(typ int, t *testing.T) {
sk, pk, err := tu.RandTestKeyPair(typ, 512)
if err != nil {
t.Fatal(err)
}
testKeySignature(t, sk)
testKeyEncoding(t, sk)
testKeyEquals(t, sk)
testKeyEquals(t, pk)
}
func testKeySignature(t *testing.T, sk PrivKey) {
pk := sk.GetPublic()
text := make([]byte, 16)
rand.Read(text)
sig, err := sk.Sign(text)
if err != nil {
t.Fatal(err)
}
valid, err := pk.Verify(text, sig)
if err != nil {
t.Fatal(err)
}
if !valid {
t.Fatal("Invalid signature.")
}
}
func testKeyEncoding(t *testing.T, sk PrivKey) {
skbm, err := MarshalPrivateKey(sk)
if err != nil {
t.Fatal(err)
}
sk2, err := UnmarshalPrivateKey(skbm)
if err != nil {
t.Fatal(err)
}
if !sk.Equals(sk2) {
t.Error("Unmarshaled private key didn't match original.\n")
}
skbm2, err := MarshalPrivateKey(sk2)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(skbm, skbm2) {
t.Error("skb -> marshal -> unmarshal -> skb failed.\n", skbm, "\n", skbm2)
}
pk := sk.GetPublic()
pkbm, err := MarshalPublicKey(pk)
if err != nil {
t.Fatal(err)
}
pk2, err := UnmarshalPublicKey(pkbm)
if err != nil {
t.Fatal(err)
}
if !pk.Equals(pk2) {
t.Error("Unmarshaled public key didn't match original.\n")
}
pkbm2, err := MarshalPublicKey(pk)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(pkbm, pkbm2) {
t.Error("skb -> marshal -> unmarshal -> skb failed.\n", pkbm, "\n", pkbm2)
}
}
func testKeyEquals(t *testing.T, k Key) {
kb, err := k.Bytes()
if err != nil {
t.Fatal(err)
}
if !KeyEqual(k, k) {
t.Fatal("Key not equal to itself.")
}
if !KeyEqual(k, testkey(kb)) {
t.Fatal("Key not equal to key with same bytes.")
}
sk, pk, err := tu.RandTestKeyPair(RSA, 512)
if err != nil {
t.Fatal(err)
}
if KeyEqual(k, sk) {
t.Fatal("Keys should not equal.")
}
if KeyEqual(k, pk) {
t.Fatal("Keys should not equal.")
}
}
type testkey []byte
func (pk testkey) Bytes() ([]byte, error) {
return pk, nil
}
func (pk testkey) Equals(k Key) bool {
return KeyEqual(pk, k)
}