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- package nano
-
- import (
- "encoding/hex"
- "testing"
-
- "github.com/pkg/errors"
- "github.com/stretchr/testify/assert"
- "github.com/stretchr/testify/require"
- crypto "github.com/tendermint/go-crypto"
- )
-
- func parseEdKey(data []byte) (key crypto.PubKey, err error) {
- ed := crypto.PubKeyEd25519{}
- if len(data) < len(ed) {
- return key, errors.Errorf("Key length too short: %d", len(data))
- }
- copy(ed[:], data)
- return ed.Wrap(), nil
- }
-
- func parseSig(data []byte) (key crypto.Signature, err error) {
- ed := crypto.SignatureEd25519{}
- if len(data) < len(ed) {
- return key, errors.Errorf("Sig length too short: %d", len(data))
- }
- copy(ed[:], data)
- return ed.Wrap(), nil
- }
-
- func TestParseDigest(t *testing.T) {
- assert, require := assert.New(t), require.New(t)
-
- cases := []struct {
- output string
- key string
- sig string
- valid bool
- }{
- {
- output: "80028E8754F012C2FDB492183D41437FD837CB81D8BBE731924E2E0DAF43FD3F2C9300CAFE00787DC03E9E4EE05983E30BAE0DEFB8DB0671DBC2F5874AC93F8D8CA4018F7A42D6F9A9BCEADB422AC8E27CEE9CA205A0B88D22CD686F0A43EB806E8190A3C400",
- key: "8E8754F012C2FDB492183D41437FD837CB81D8BBE731924E2E0DAF43FD3F2C93",
- sig: "787DC03E9E4EE05983E30BAE0DEFB8DB0671DBC2F5874AC93F8D8CA4018F7A42D6F9A9BCEADB422AC8E27CEE9CA205A0B88D22CD686F0A43EB806E8190A3C400",
- valid: true,
- },
- {
- output: "800235467890876543525437890796574535467890",
- key: "",
- sig: "",
- valid: false,
- },
- }
-
- for i, tc := range cases {
- msg, err := hex.DecodeString(tc.output)
- require.Nil(err, "%d: %+v", i, err)
-
- lKey, lSig, err := parseDigest(msg)
- if !tc.valid {
- assert.NotNil(err, "%d", i)
- } else if assert.Nil(err, "%d: %+v", i, err) {
- key, err := hex.DecodeString(tc.key)
- require.Nil(err, "%d: %+v", i, err)
- sig, err := hex.DecodeString(tc.sig)
- require.Nil(err, "%d: %+v", i, err)
-
- assert.Equal(key, lKey, "%d", i)
- assert.Equal(sig, lSig, "%d", i)
- }
- }
- }
-
- type cryptoCase struct {
- msg string
- key string
- sig string
- valid bool
- }
-
- func toBytes(c cryptoCase) (msg, key, sig []byte, err error) {
- msg, err = hex.DecodeString(c.msg)
- if err != nil {
- return
- }
- key, err = hex.DecodeString(c.key)
- if err != nil {
- return
- }
- sig, err = hex.DecodeString(c.sig)
- return
- }
-
- func TestCryptoConvert(t *testing.T) {
- assert, require := assert.New(t), require.New(t)
-
- cases := []cryptoCase{
- 0: {
- msg: "F00D",
- key: "8E8754F012C2FDB492183D41437FD837CB81D8BBE731924E2E0DAF43FD3F2C93",
- sig: "787DC03E9E4EE05983E30BAE0DEFB8DB0671DBC2F5874AC93F8D8CA4018F7A42D6F9A9BCEADB422AC8E27CEE9CA205A0B88D22CD686F0A43EB806E8190A3C400",
- valid: true,
- },
- 1: {
- msg: "DEADBEEF",
- key: "0C45ADC887A5463F668533443C829ED13EA8E2E890C778957DC28DB9D2AD5A6C",
- sig: "00ED74EED8FDAC7988A14BF6BC222120CBAC249D569AF4C2ADABFC86B792F97DF73C4919BE4B6B0ACB53547273BF29FBF0A9E0992FFAB6CB6C9B09311FC86A00",
- valid: true,
- },
- 2: {
- msg: "1234567890AA",
- key: "598FC1F0C76363D14D7480736DEEF390D85863360F075792A6975EFA149FD7EA",
- sig: "59AAB7D7BDC4F936B6415DE672A8B77FA6B8B3451CD95B3A631F31F9A05DAEEE5E7E4F89B64DDEBB5F63DC042CA13B8FCB8185F82AD7FD5636FFDA6B0DC9570B",
- valid: true,
- },
- 3: {
- msg: "1234432112344321",
- key: "359E0636E780457294CCA5D2D84DB190C3EDBD6879729C10D3963DEA1D5D8120",
- sig: "616B44EC7A65E7C719C170D669A47DE80C6AC0BB13FBCC89230976F9CC14D4CF9ECF26D4AFBB9FFF625599F1FF6F78EDA15E9F6B6BDCE07CFE9D8C407AC45208",
- valid: true,
- },
- 4: {
- msg: "12344321123443",
- key: "359E0636E780457294CCA5D2D84DB190C3EDBD6879729C10D3963DEA1D5D8120",
- sig: "616B44EC7A65E7C719C170D669A47DE80C6AC0BB13FBCC89230976F9CC14D4CF9ECF26D4AFBB9FFF625599F1FF6F78EDA15E9F6B6BDCE07CFE9D8C407AC45208",
- valid: false,
- },
- 5: {
- msg: "1234432112344321",
- key: "459E0636E780457294CCA5D2D84DB190C3EDBD6879729C10D3963DEA1D5D8120",
- sig: "616B44EC7A65E7C719C170D669A47DE80C6AC0BB13FBCC89230976F9CC14D4CF9ECF26D4AFBB9FFF625599F1FF6F78EDA15E9F6B6BDCE07CFE9D8C407AC45208",
- valid: false,
- },
- 6: {
- msg: "1234432112344321",
- key: "359E0636E780457294CCA5D2D84DB190C3EDBD6879729C10D3963DEA1D5D8120",
- sig: "716B44EC7A65E7C719C170D669A47DE80C6AC0BB13FBCC89230976F9CC14D4CF9ECF26D4AFBB9FFF625599F1FF6F78EDA15E9F6B6BDCE07CFE9D8C407AC45208",
- valid: false,
- },
- }
-
- for i, tc := range cases {
- msg, key, sig, err := toBytes(tc)
- require.Nil(err, "%d: %+v", i, err)
-
- pk, err := parseEdKey(key)
- require.Nil(err, "%d: %+v", i, err)
- psig, err := parseSig(sig)
- require.Nil(err, "%d: %+v", i, err)
-
- // it is not the signature of the message itself
- valid := pk.VerifyBytes(msg, psig)
- assert.False(valid, "%d", i)
-
- // but rather of the hash of the msg
- hmsg := hashMsg(msg)
- valid = pk.VerifyBytes(hmsg, psig)
- assert.Equal(tc.valid, valid, "%d", i)
- }
- }
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