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