| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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 identity - manage Identity document and keys |
| */ |
| package identity |
| |
| import ( |
| "encoding/hex" |
| "time" |
| |
| "github.com/apache/incubator-milagro-dta/libs/crypto" |
| "github.com/apache/incubator-milagro-dta/libs/cryptowallet" |
| "github.com/apache/incubator-milagro-dta/libs/datastore" |
| "github.com/apache/incubator-milagro-dta/libs/documents" |
| "github.com/apache/incubator-milagro-dta/libs/ipfs" |
| "github.com/apache/incubator-milagro-dta/pkg/common" |
| "github.com/pkg/errors" |
| ) |
| |
| // CreateIdentity creates a new identity |
| // returns Identity secrets and Identity document |
| func CreateIdentity(name string, ipfsConn ipfs.Connector, store *datastore.Store) (idDocumentCID string, err error) { |
| //generate crypto random seed |
| seed, err := cryptowallet.RandomBytes(48) |
| if err != nil { |
| err = errors.Wrap(err, "Failed to generate random seed") |
| return |
| } |
| |
| //Generate SIKE keys |
| rc1, sikePublicKey, sikeSecretKey := crypto.SIKEKeys(seed) |
| if rc1 != 0 { |
| err = errors.New("Failed to generate SIKE keys") |
| return |
| } |
| |
| //Generate BLS keys |
| rc1, blsPublicKey, blsSecretKey := crypto.BLSKeys(seed, nil) |
| if rc1 != 0 { |
| err = errors.New("Failed to generate BLS keys") |
| return |
| } |
| |
| ecPubKey, err := common.InitECKeys(seed) |
| if err != nil { |
| err = errors.Wrap(err, "Failed to generate EC Public Key") |
| return |
| } |
| |
| //build ID Doc |
| idDocument := documents.NewIDDoc() |
| idDocument.AuthenticationReference = name |
| idDocument.BeneficiaryECPublicKey = ecPubKey |
| idDocument.SikePublicKey = sikePublicKey |
| idDocument.BLSPublicKey = blsPublicKey |
| idDocument.Timestamp = time.Now().Unix() |
| |
| rawIDDoc, err := documents.EncodeIDDocument(idDocument, blsSecretKey) |
| if err != nil { |
| err = errors.Wrap(err, "Failed to encode IDDocument") |
| return |
| } |
| |
| idDocumentCID, err = ipfsConn.Add(rawIDDoc) |
| |
| secrets := common.IdentitySecrets{ |
| Name: name, |
| Seed: hex.EncodeToString(seed), |
| BLSSecretKey: hex.EncodeToString(blsSecretKey), |
| SikeSecretKey: hex.EncodeToString(sikeSecretKey), |
| } |
| |
| if store != nil { |
| err = store.Set("id-doc", idDocumentCID, secrets, map[string]string{"time": time.Now().UTC().Format(time.RFC3339)}) |
| if err != nil { |
| err = errors.Wrap(err, "Failed to store ID Document") |
| return |
| } |
| } |
| |
| return idDocumentCID, nil |
| } |