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103 lines
2.5 KiB
103 lines
2.5 KiB
package nano
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import (
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"encoding/hex"
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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 TestParseDigest(t *testing.T) {
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assert, require := assert.New(t), require.New(t)
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cases := []struct {
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output string
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key string
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sig string
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valid bool
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}{
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{
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output: "80028E8754F012C2FDB492183D41437FD837CB81D8BBE731924E2E0DAF43FD3F2C9300CAFE00787DC03E9E4EE05983E30BAE0DEFB8DB0671DBC2F5874AC93F8D8CA4018F7A42D6F9A9BCEADB422AC8E27CEE9CA205A0B88D22CD686F0A43EB806E8190A3C400",
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key: "8E8754F012C2FDB492183D41437FD837CB81D8BBE731924E2E0DAF43FD3F2C93",
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sig: "787DC03E9E4EE05983E30BAE0DEFB8DB0671DBC2F5874AC93F8D8CA4018F7A42D6F9A9BCEADB422AC8E27CEE9CA205A0B88D22CD686F0A43EB806E8190A3C400",
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valid: true,
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},
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{
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output: "800235467890876543525437890796574535467890",
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key: "",
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sig: "",
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valid: false,
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},
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}
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for i, tc := range cases {
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msg, err := hex.DecodeString(tc.output)
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require.Nil(err, "%d: %+v", i, err)
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lKey, lSig, err := parseDigest(msg)
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if !tc.valid {
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assert.NotNil(err, "%d", i)
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} else if assert.Nil(err, "%d: %+v", i, err) {
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key, err := hex.DecodeString(tc.key)
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require.Nil(err, "%d: %+v", i, err)
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sig, err := hex.DecodeString(tc.sig)
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require.Nil(err, "%d: %+v", i, err)
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assert.Equal(key, lKey, "%d", i)
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assert.Equal(sig, lSig, "%d", i)
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}
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}
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}
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type cryptoCase struct {
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msg string
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key string
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sig string
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valid bool
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}
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func toBytes(c cryptoCase) (msg, key, sig []byte, err error) {
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msg, err = hex.DecodeString(c.msg)
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if err != nil {
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return
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}
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key, err = hex.DecodeString(c.key)
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if err != nil {
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return
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}
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sig, err = hex.DecodeString(c.sig)
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return
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}
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func TestCryptoConvert(t *testing.T) {
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assert, require := assert.New(t), require.New(t)
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cases := []cryptoCase{
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{
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msg: "F00D",
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key: "8E8754F012C2FDB492183D41437FD837CB81D8BBE731924E2E0DAF43FD3F2C93",
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sig: "787DC03E9E4EE05983E30BAE0DEFB8DB0671DBC2F5874AC93F8D8CA4018F7A42D6F9A9BCEADB422AC8E27CEE9CA205A0B88D22CD686F0A43EB806E8190A3C400",
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valid: true,
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},
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}
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for i, tc := range cases {
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msg, key, sig, err := toBytes(tc)
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require.Nil(err, "%d: %+v", i, err)
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pk, err := parseEdKey(key)
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require.Nil(err, "%d: %+v", i, err)
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psig, err := parseSig(sig)
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require.Nil(err, "%d: %+v", i, err)
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// it is not the signature of the message itself
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valid := pk.VerifyBytes(msg, psig)
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assert.NotEqual(tc.valid, valid, "%d", i)
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// but rather of the hash of the msg
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hmsg := hashMsg(msg)
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valid = pk.VerifyBytes(hmsg, psig)
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assert.Equal(tc.valid, valid, "%d", i)
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}
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}
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