tendermint/signature_test.go
Liamsi c4484c4a1b Merge remote-tracking branch 'remotes/origin/develop' into bucky/sig-name
# Conflicts:
#	Gopkg.lock
#	keys/keybase_test.go
#	signature_test.go
2018-06-11 16:46:08 -07:00

49 lines
986 B
Go

package crypto
import (
"testing"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/assert"
)
func TestSignAndValidateEd25519(t *testing.T) {
privKey := GenPrivKeyEd25519()
pubKey, err := privKey.PubKey()
require.Nil(t, err)
msg := CRandBytes(128)
sig, err := privKey.Sign(msg)
require.Nil(t, err)
// 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, err := privKey.PubKey()
require.Nil(t, err)
msg := CRandBytes(128)
sig, err := privKey.Sign(msg)
require.Nil(t, err)
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))
}