...

state/account_test.go

@@ -0,0 +1,28 @@
+package state
+
+import (
+	. "github.com/tendermint/tendermint/common"
+	"testing"
+)
+
+func TestSignAndValidate(t *testing.T) {
+
+	privAccount := GenPrivAccount()
+	account := &privAccount.Account
+
+	msg := RandBytes(128)
+	sig := privAccount.Sign(msg)
+	t.Logf("msg: %X, sig: %X", msg, sig)
+
+	// Test the signature
+	if !account.Verify(msg, sig) {
+		t.Errorf("Account message signature verification failed")
+	}
+
+	// Mutate the signature, just one bit.
+	sig.Bytes[0] ^= byte(0x01)
+
+	if account.Verify(msg, sig) {
+		t.Errorf("Account message signature verification should have failed but passed instead")
+	}
+}