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68 lines
1.6 KiB
68 lines
1.6 KiB
package crypto
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import (
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"bytes"
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"testing"
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"github.com/tendermint/ed25519"
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"github.com/tendermint/go-wire"
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)
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func TestSignAndValidate(t *testing.T) {
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privKey := GenPrivKeyEd25519()
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pubKey := privKey.PubKey()
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msg := CRandBytes(128)
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sig := privKey.Sign(msg)
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t.Logf("msg: %X, sig: %X", msg, sig)
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// Test the signature
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if !pubKey.VerifyBytes(msg, sig) {
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t.Errorf("Account message signature verification failed")
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}
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// Mutate the signature, just one bit.
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sigEd := sig.(SignatureEd25519)
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sigEd[0] ^= byte(0x01)
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sig = Signature(sigEd)
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if pubKey.VerifyBytes(msg, sig) {
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t.Errorf("Account message signature verification should have failed but passed instead")
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}
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}
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func TestBinaryDecode(t *testing.T) {
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privKey := GenPrivKeyEd25519()
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pubKey := privKey.PubKey()
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msg := CRandBytes(128)
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sig := privKey.Sign(msg)
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t.Logf("msg: %X, sig: %X", msg, sig)
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buf, n, err := new(bytes.Buffer), new(int), new(error)
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wire.WriteBinary(struct{ Signature }{sig}, buf, n, err)
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if *err != nil {
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t.Fatalf("Failed to write Signature: %v", err)
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}
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if len(buf.Bytes()) != ed25519.SignatureSize+1 {
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// 1 byte TypeByte, 64 bytes signature bytes
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t.Fatalf("Unexpected signature write size: %v", len(buf.Bytes()))
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}
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if buf.Bytes()[0] != SignatureTypeEd25519 {
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t.Fatalf("Unexpected signature type byte")
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}
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sigStruct := struct{ Signature }{}
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sig2 := wire.ReadBinary(sigStruct, buf, 0, n, err)
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if *err != nil {
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t.Fatalf("Failed to read Signature: %v", err)
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}
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// Test the signature
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if !pubKey.VerifyBytes(msg, sig2.(struct{ Signature }).Signature.(SignatureEd25519)) {
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t.Errorf("Account message signature verification failed")
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}
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}
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