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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| /* | ||
| Copyright IBM Corp. 2016 All Rights Reserved. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package crypto | ||
|
|
||
| import ( | ||
| "crypto/rand" | ||
|
|
||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
||
| const ( | ||
| // NonceSize is the default NonceSize | ||
| NonceSize = 24 | ||
| ) | ||
|
|
||
| // GetRandomBytes returns len random looking bytes | ||
| func GetRandomBytes(len int) ([]byte, error) { | ||
| key := make([]byte, len) | ||
|
|
||
| _, err := rand.Read(key) | ||
| if err != nil { | ||
| return nil, errors.Wrap(err, "error getting random bytes") | ||
| } | ||
|
|
||
| return key, nil | ||
| } | ||
|
|
||
| // GetRandomNonce returns a random byte array of length NonceSize | ||
| func GetRandomNonce() ([]byte, error) { | ||
| return GetRandomBytes(NonceSize) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /* | ||
| Copyright IBM Corp. 2017 All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
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| package crypto | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
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| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
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| func TestGetRandomBytes(t *testing.T) { | ||
| _, err := GetRandomBytes(10) | ||
|
|
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| require.NoError(t, err, "GetRandomBytes fails") | ||
| } | ||
|
|
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| func TestGetRandomNonce(t *testing.T) { | ||
| _, err := GetRandomNonce() | ||
|
|
||
| require.NoError(t, err, "GetRandomNonce fails") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| module github.com/hyperledger/fabric-lib-go/common | ||
|
|
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| go 1.20 | ||
|
|
||
| require ( | ||
| github.com/pkg/errors v0.9.1 | ||
| github.com/stretchr/testify v1.8.4 | ||
| google.golang.org/protobuf v1.32.0 | ||
| ) | ||
|
|
||
| require ( | ||
| github.com/davecgh/go-spew v1.1.1 // indirect | ||
| github.com/pmezard/go-difflib v1.0.0 // indirect | ||
| gopkg.in/yaml.v3 v3.0.1 // indirect | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= | ||
| github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||
| github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU= | ||
| github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= | ||
| github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= | ||
| github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= | ||
| github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | ||
| github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk= | ||
| github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo= | ||
| golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4= | ||
| google.golang.org/protobuf v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I= | ||
| google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos= | ||
| gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= | ||
| gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | ||
| gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= | ||
| gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| /* | ||
| Copyright IBM Corp. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| package util | ||
|
|
||
| import ( | ||
| "crypto/rand" | ||
| "fmt" | ||
| "io" | ||
| "time" | ||
|
|
||
| timestamp "google.golang.org/protobuf/types/known/timestamppb" | ||
| ) | ||
|
|
||
| // GenerateBytesUUID returns a UUID based on RFC 4122 returning the generated bytes | ||
| func GenerateBytesUUID() []byte { | ||
| uuid := make([]byte, 16) | ||
| _, err := io.ReadFull(rand.Reader, uuid) | ||
| if err != nil { | ||
| panic(fmt.Sprintf("Error generating UUID: %s", err)) | ||
| } | ||
|
|
||
| // variant bits; see section 4.1.1 | ||
| uuid[8] = uuid[8]&^0xc0 | 0x80 | ||
|
|
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| // version 4 (pseudo-random); see section 4.1.3 | ||
| uuid[6] = uuid[6]&^0xf0 | 0x40 | ||
|
|
||
| return uuid | ||
| } | ||
|
|
||
| // GenerateUUID returns a UUID based on RFC 4122 | ||
| func GenerateUUID() string { | ||
| uuid := GenerateBytesUUID() | ||
| return idBytesToStr(uuid) | ||
| } | ||
|
|
||
| // CreateUtcTimestamp returns a Timestamp protobuf in UTC | ||
| func CreateUtcTimestamp() *timestamp.Timestamp { | ||
| now := time.Now().UTC() | ||
| secs := now.Unix() | ||
| nanos := int32(now.UnixNano() - (secs * 1000000000)) | ||
| return &(timestamp.Timestamp{Seconds: secs, Nanos: nanos}) | ||
| } | ||
|
|
||
| func idBytesToStr(id []byte) string { | ||
| return fmt.Sprintf("%x-%x-%x-%x-%x", id[0:4], id[4:6], id[6:8], id[8:10], id[10:]) | ||
| } | ||
|
|
||
| // ToChaincodeArgs converts string args to []byte args | ||
| func ToChaincodeArgs(args ...string) [][]byte { | ||
| bargs := make([][]byte, len(args)) | ||
| for i, arg := range args { | ||
| bargs[i] = []byte(arg) | ||
| } | ||
| return bargs | ||
| } | ||
|
|
||
| // ConcatenateBytes is useful for combining multiple arrays of bytes, especially for | ||
| // signatures or digests over multiple fields | ||
| // This way is more efficient in speed | ||
| func ConcatenateBytes(data ...[]byte) []byte { | ||
| finalLength := 0 | ||
| for _, slice := range data { | ||
| finalLength += len(slice) | ||
| } | ||
| result := make([]byte, finalLength) | ||
| last := 0 | ||
| for _, slice := range data { | ||
| last += copy(result[last:], slice) | ||
| } | ||
| return result | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| /* | ||
| Copyright IBM Corp. 2016 All Rights Reserved. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package util | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "testing" | ||
| "time" | ||
| ) | ||
|
|
||
| func TestUUIDGeneration(t *testing.T) { | ||
| uuid := GenerateUUID() | ||
| if len(uuid) != 36 { | ||
| t.Fatalf("UUID length is not correct. Expected = 36, Got = %d", len(uuid)) | ||
| } | ||
| uuid2 := GenerateUUID() | ||
| if uuid == uuid2 { | ||
| t.Fatalf("Two UUIDs are equal. This should never occur") | ||
| } | ||
| } | ||
|
|
||
| func TestTimestamp(t *testing.T) { | ||
| for i := 0; i < 10; i++ { | ||
| t.Logf("timestamp now: %v", CreateUtcTimestamp()) | ||
| time.Sleep(200 * time.Millisecond) | ||
| } | ||
| } | ||
|
|
||
| func TestToChaincodeArgs(t *testing.T) { | ||
| expected := [][]byte{[]byte("foo"), []byte("bar")} | ||
| actual := ToChaincodeArgs("foo", "bar") | ||
| if len(expected) != len(actual) { | ||
| t.Fatalf("Got %v, expected %v", actual, expected) | ||
| } | ||
| for i := range expected { | ||
| if !bytes.Equal(expected[i], actual[i]) { | ||
| t.Fatalf("Got %v, expected %v", actual, expected) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func TestConcatenateBytesNormal(t *testing.T) { | ||
| first := []byte("first") | ||
| second := []byte("second") | ||
| third := []byte("third") | ||
|
|
||
| result := ConcatenateBytes(first, second, third) | ||
| expected := []byte("firstsecondthird") | ||
| if !bytes.Equal(result, expected) { | ||
| t.Errorf("Did not concatenate bytes correctly, expected %s, got %s", expected, result) | ||
| } | ||
| } | ||
|
|
||
| func TestConcatenateBytesNil(t *testing.T) { | ||
| first := []byte("first") | ||
| second := []byte(nil) | ||
| third := []byte("third") | ||
|
|
||
| result := ConcatenateBytes(first, second, third) | ||
| expected := []byte("firstthird") | ||
| if !bytes.Equal(result, expected) { | ||
| t.Errorf("Did not concatenate bytes correctly, expected %s, got %s", expected, result) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM= | ||
| github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||
| github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk= | ||
| github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg= | ||
| github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY= | ||
| github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= | ||
| github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= | ||
| github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= | ||
| github.com/hyperledger/fabric-protos-go-apiv2 v0.3.2 h1:zL93mhCZbO99pzelinxqx+SahGAVafvbVR6nzRJkXts= | ||
| github.com/hyperledger/fabric-protos-go-apiv2 v0.3.2/go.mod h1:2pq0ui6ZWA0cC8J+eCErgnMDCS1kPOEYVY+06ZAK0qE= | ||
| github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI= | ||
| github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI= | ||
| github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= | ||
| github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= | ||
| github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= | ||
| github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= | ||
| github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= | ||
| github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U= | ||
| github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | ||
| github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk= | ||
| github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo= | ||
| golang.org/x/net v0.20.0 h1:aCL9BSgETF1k+blQaYUBx9hJ9LOGP3gAVemcZlf1Kpo= | ||
| golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY= | ||
| golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU= | ||
| golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= | ||
| golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ= | ||
| golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= | ||
| golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= | ||
| google.golang.org/genproto/googleapis/rpc v0.0.0-20231120223509-83a465c0220f h1:ultW7fxlIvee4HYrtnaRPon9HpEgFk5zYpmfMgtKB5I= | ||
| google.golang.org/genproto/googleapis/rpc v0.0.0-20231120223509-83a465c0220f/go.mod h1:L9KNLi232K1/xB6f7AlSX692koaRnKaWSR0stBki0Yc= | ||
| google.golang.org/grpc v1.59.0 h1:Z5Iec2pjwb+LEOqzpB2MR12/eKFhDPhuqW91O+4bwUk= | ||
| google.golang.org/grpc v1.59.0/go.mod h1:aUPDwccQo6OTjy7Hct4AfBPD1GptF4fyUjIkQ9YtF98= | ||
| google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= | ||
| google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= | ||
| google.golang.org/protobuf v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I= | ||
| google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos= | ||
| gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | ||
| gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk= | ||
| gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q= | ||
| gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= | ||
| gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= |
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