tendermint/signature_test.go

44 lines
843 B
Go

package crypto
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestSignAndValidateEd25519(t *testing.T) {
privKey := GenPrivKeyEd25519()
pubKey := privKey.PubKey()
msg := CRandBytes(128)
sig := privKey.Sign(msg)
// Test the signature
assert.True(t, pubKey.VerifyBytes(msg, sig))
// Mutate the signature, just one bit.
sigEd := sig.(SignatureEd25519)
sigEd[7] ^= byte(0x01)
sig = sigEd
assert.False(t, pubKey.VerifyBytes(msg, sig))
}
func TestSignAndValidateSecp256k1(t *testing.T) {
privKey := GenPrivKeySecp256k1()
pubKey := privKey.PubKey()
msg := CRandBytes(128)
sig := privKey.Sign(msg)
assert.True(t, pubKey.VerifyBytes(msg, sig))
// Mutate the signature, just one bit.
sigEd := sig.(SignatureSecp256k1)
sigEd[3] ^= byte(0x01)
sig = sigEd
assert.False(t, pubKey.VerifyBytes(msg, sig))
}