70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
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package ecdsa
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import (
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"crypto/elliptic"
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"encoding/hex"
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"testing"
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"github.com/stretchr/testify/suite"
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)
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var secp256r1 = elliptic.P256()
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func GenSecp256r1() (PrivKey, error) {
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return GenPrivKey(secp256r1)
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}
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func TestPKSuite(t *testing.T) {
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suite.Run(t, new(PKSuite))
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}
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type CommonSuite struct {
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suite.Suite
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pk PubKey
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sk PrivKey
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}
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func (suite *CommonSuite) SetupSuite() {
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sk, err := GenSecp256r1()
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suite.Require().NoError(err)
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suite.sk = sk
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suite.pk = sk.PubKey()
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}
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type PKSuite struct{ CommonSuite }
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func (suite *PKSuite) TestString() {
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assert := suite.Assert()
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require := suite.Require()
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prefix := "abc"
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pkStr := suite.pk.String(prefix)
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assert.Equal(prefix+"{", pkStr[:len(prefix)+1])
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assert.EqualValues('}', pkStr[len(pkStr)-1])
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bz, err := hex.DecodeString(pkStr[len(prefix)+1 : len(pkStr)-1])
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require.NoError(err)
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assert.EqualValues(suite.pk.Bytes(), bz)
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}
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func (suite *PKSuite) TestBytes() {
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require := suite.Require()
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var pk *PubKey
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require.Nil(pk.Bytes())
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}
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func (suite *PKSuite) TestMarshal() {
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require := suite.Require()
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const size = 33 // secp256r1 size
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var buffer = make([]byte, size)
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n, err := suite.pk.MarshalTo(buffer)
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require.NoError(err)
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require.Equal(size, n)
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var pk = new(PubKey)
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err = pk.Unmarshal(buffer, secp256r1, size)
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require.NoError(err)
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require.True(pk.PublicKey.Equal(&suite.pk.PublicKey))
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}
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