tendermint/account/signature_test.go

69 lines
1.6 KiB
Go

package account
import (
"bytes"
"testing"
"github.com/tendermint/ed25519"
"github.com/tendermint/tendermint/binary"
. "github.com/tendermint/tendermint/common"
)
func TestSignAndValidate(t *testing.T) {
privAccount := GenPrivAccount()
pubKey := privAccount.PubKey
privKey := privAccount.PrivKey
msg := CRandBytes(128)
sig := privKey.Sign(msg)
t.Logf("msg: %X, sig: %X", msg, sig)
// Test the signature
if !pubKey.VerifyBytes(msg, sig) {
t.Errorf("Account message signature verification failed")
}
// Mutate the signature, just one bit.
sig.(SignatureEd25519)[0] ^= byte(0x01)
if pubKey.VerifyBytes(msg, sig) {
t.Errorf("Account message signature verification should have failed but passed instead")
}
}
func TestBinaryDecode(t *testing.T) {
privAccount := GenPrivAccount()
pubKey := privAccount.PubKey
privKey := privAccount.PrivKey
msg := CRandBytes(128)
sig := privKey.Sign(msg)
t.Logf("msg: %X, sig: %X", msg, sig)
buf, n, err := new(bytes.Buffer), new(int64), new(error)
binary.WriteBinary(sig, buf, n, err)
if *err != nil {
t.Fatalf("Failed to write Signature: %v", err)
}
if len(buf.Bytes()) != ed25519.SignatureSize+2 {
// 1 byte TypeByte, 1 byte length, 64 bytes signature bytes
t.Fatalf("Unexpected signature write size: %v", len(buf.Bytes()))
}
if buf.Bytes()[0] != SignatureTypeEd25519 {
t.Fatalf("Unexpected signature type byte")
}
sig2, ok := binary.ReadBinary(SignatureEd25519{}, buf, n, err).(SignatureEd25519)
if !ok || *err != nil {
t.Fatalf("Failed to read Signature: %v", err)
}
// Test the signature
if !pubKey.VerifyBytes(msg, sig2) {
t.Errorf("Account message signature verification failed")
}
}