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70 lines
1.7 KiB

package account
import (
"bytes"
"testing"
"github.com/tendermint/tendermint/Godeps/_workspace/src/github.com/tendermint/ed25519"
"github.com/tendermint/tendermint/wire"
. "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.
sigEd := sig.(SignatureEd25519)
sigEd[0] ^= byte(0x01)
sig = Signature(sigEd)
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)
wire.WriteBinary(sig, buf, n, err)
if *err != nil {
t.Fatalf("Failed to write Signature: %v", err)
}
if len(buf.Bytes()) != ed25519.SignatureSize+1 {
// 1 byte TypeByte, 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 := wire.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")
}
}