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31 lines
720 B
31 lines
720 B
package sr25519_test
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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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"github.com/tendermint/tendermint/crypto"
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"github.com/tendermint/tendermint/crypto/sr25519"
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)
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func TestSignAndValidateSr25519(t *testing.T) {
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privKey := sr25519.GenPrivKey()
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pubKey := privKey.PubKey()
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msg := crypto.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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assert.True(t, pubKey.VerifyBytes(msg, sig))
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// Mutate the signature, just one bit.
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// TODO: Replace this with a much better fuzzer, tendermint/ed25519/issues/10
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sig[7] ^= byte(0x01)
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assert.False(t, pubKey.VerifyBytes(msg, sig))
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}
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