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44 lines
1.0 KiB
44 lines
1.0 KiB
package ecdsa
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import (
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"math/big"
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"testing"
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"github.com/arnaucube/cryptofun/ecc"
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"github.com/stretchr/testify/assert"
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)
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func TestNewECDSA(t *testing.T) {
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ec := ecc.NewEC(big.NewInt(int64(1)), big.NewInt(int64(18)), big.NewInt(int64(19)))
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g := ecc.Point{big.NewInt(int64(7)), big.NewInt(int64(11))}
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dsa, err := NewDSA(ec, g)
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assert.Nil(t, err)
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privK := big.NewInt(int64(5))
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pubK, err := dsa.PubK(privK)
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assert.Nil(t, err)
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if !pubK.Equal(ecc.Point{big.NewInt(int64(13)), big.NewInt(int64(9))}) {
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t.Errorf("pubK!=(13, 9)")
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}
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}
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func TestECDSASignAndVerify(t *testing.T) {
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ec := ecc.NewEC(big.NewInt(int64(1)), big.NewInt(int64(18)), big.NewInt(int64(19)))
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g := ecc.Point{big.NewInt(int64(7)), big.NewInt(int64(11))}
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dsa, err := NewDSA(ec, g)
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assert.Nil(t, err)
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privK := big.NewInt(int64(5))
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pubK, err := dsa.PubK(privK)
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assert.Nil(t, err)
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hashval := big.NewInt(int64(40))
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r := big.NewInt(int64(11))
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sig, err := dsa.Sign(hashval, privK, r)
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assert.Nil(t, err)
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verified, err := dsa.Verify(hashval, sig, pubK)
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assert.True(t, verified)
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}
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