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159 lines
4.7 KiB
159 lines
4.7 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/pkg/errors"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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crypto "github.com/tendermint/go-crypto"
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)
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func parseEdKey(data []byte) (key crypto.PubKey, err error) {
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ed := crypto.PubKeyEd25519{}
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if len(data) < len(ed) {
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return key, errors.Errorf("Key length too short: %d", len(data))
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}
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copy(ed[:], data)
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return ed.Wrap(), nil
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}
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func parseSig(data []byte) (key crypto.Signature, err error) {
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ed := crypto.SignatureEd25519{}
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if len(data) < len(ed) {
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return key, errors.Errorf("Sig length too short: %d", len(data))
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}
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copy(ed[:], data)
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return ed.Wrap(), nil
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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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0: {
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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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1: {
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msg: "DEADBEEF",
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key: "0C45ADC887A5463F668533443C829ED13EA8E2E890C778957DC28DB9D2AD5A6C",
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sig: "00ED74EED8FDAC7988A14BF6BC222120CBAC249D569AF4C2ADABFC86B792F97DF73C4919BE4B6B0ACB53547273BF29FBF0A9E0992FFAB6CB6C9B09311FC86A00",
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valid: true,
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},
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2: {
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msg: "1234567890AA",
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key: "598FC1F0C76363D14D7480736DEEF390D85863360F075792A6975EFA149FD7EA",
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sig: "59AAB7D7BDC4F936B6415DE672A8B77FA6B8B3451CD95B3A631F31F9A05DAEEE5E7E4F89B64DDEBB5F63DC042CA13B8FCB8185F82AD7FD5636FFDA6B0DC9570B",
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valid: true,
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},
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3: {
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msg: "1234432112344321",
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key: "359E0636E780457294CCA5D2D84DB190C3EDBD6879729C10D3963DEA1D5D8120",
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sig: "616B44EC7A65E7C719C170D669A47DE80C6AC0BB13FBCC89230976F9CC14D4CF9ECF26D4AFBB9FFF625599F1FF6F78EDA15E9F6B6BDCE07CFE9D8C407AC45208",
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valid: true,
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},
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4: {
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msg: "12344321123443",
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key: "359E0636E780457294CCA5D2D84DB190C3EDBD6879729C10D3963DEA1D5D8120",
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sig: "616B44EC7A65E7C719C170D669A47DE80C6AC0BB13FBCC89230976F9CC14D4CF9ECF26D4AFBB9FFF625599F1FF6F78EDA15E9F6B6BDCE07CFE9D8C407AC45208",
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valid: false,
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},
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5: {
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msg: "1234432112344321",
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key: "459E0636E780457294CCA5D2D84DB190C3EDBD6879729C10D3963DEA1D5D8120",
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sig: "616B44EC7A65E7C719C170D669A47DE80C6AC0BB13FBCC89230976F9CC14D4CF9ECF26D4AFBB9FFF625599F1FF6F78EDA15E9F6B6BDCE07CFE9D8C407AC45208",
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valid: false,
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},
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6: {
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msg: "1234432112344321",
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key: "359E0636E780457294CCA5D2D84DB190C3EDBD6879729C10D3963DEA1D5D8120",
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sig: "716B44EC7A65E7C719C170D669A47DE80C6AC0BB13FBCC89230976F9CC14D4CF9ECF26D4AFBB9FFF625599F1FF6F78EDA15E9F6B6BDCE07CFE9D8C407AC45208",
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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, 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.False(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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