P256 support

.example.env

@@ -63,6 +63,7 @@ SECP256K1_KEY=/secp256k1
 SECP256K1_SIGN_ETHEREUM_TRANSACTION=/secp256k1/sign/ethereum-tx
 SECP256K1_SIGN_LACCHAIN_TRANSACTION=/secp256k1/sign/lacchain-tx
 ED25519_CREATE_KEY=/ed25519
+P256_CREATE_KEY=/p256
 
 # Did Registry
 CHAIN_ID = 0x9e55c

.example.env.dev

@@ -62,6 +62,7 @@ SECP256K1_KEY=/secp256k1
 SECP256K1_SIGN_ETHEREUM_TRANSACTION=/secp256k1/sign/ethereum-tx
 SECP256K1_SIGN_LACCHAIN_TRANSACTION=/secp256k1/sign/lacchain-tx
 ED25519_CREATE_KEY=/ed25519
+P256_CREATE_KEY=/p256
 
 
 # Did Registry

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## 0.0.3
+
+* Add support to associate a P-256 JWK to a DID
 ## 0.0.1
 
 ### Additions and Improvements

package.json

@@ -1,6 +1,6 @@
 {
   "name": "lacchain-identity",
-  "version": "0.0.2",
+  "version": "0.0.6",
   "description": "Rest api for lacchain identity manager",
   "main": "dist/src/index.js",
   "types": "dist/src/index.d.ts",
@@ -85,7 +85,7 @@
     "helmet": "^5.0.2",
     "json-canonicalize": "^1.0.6",
     "jsonwebtoken": "^9.0.0",
-    "lacchain-key-manager": "^0.0.2",
+    "lacchain-key-manager": "^0.0.6",
     "morgan": "^1.10.0",
     "multer": "^1.4.4",
     "nodemailer": "^6.7.3",

src/config/index.ts

@@ -208,5 +208,6 @@ export const {
   LACCHAIN_IDENTITY_IS_DEPENDENT_SERVICE,
   SECP256K1_SIGN_ETHEREUM_TRANSACTION,
   SECP256K1_SIGN_LACCHAIN_TRANSACTION,
-  ED25519_CREATE_KEY
+  ED25519_CREATE_KEY,
+  P256_CREATE_KEY
 } = process.env;

src/constants/errorMessages.ts

@@ -26,7 +26,7 @@ export enum ErrorsMessages {
   INVALID_EXPIRATION_DAYS = 'Valid days must be greater than zero',
   INVALID_JWK_TYPE = 'Invalid Jwk type',
   // eslint-disable-next-line max-len
-  UNSUPPORTED_JWK_CREATION_FOR_TYPE = 'The type of jwk for creation is not supported yet, valid type: "secp256k1"',
+  UNSUPPORTED_JWK_CREATION_FOR_TYPE = 'The type of jwk for creation is not supported yet, valid type: "secp256k1" or "secp256r1"',
   INVALID_VM_RELATION_TYPE = 'Invalid verification method relation type',
   UNSUPPORTED_ATTRIBUTE_ENCODING_METHOD = 'Unsupported attribute encoding',
   INVALID_DELEGATE_TYPE = 'Invalid delegate type',
@@ -46,7 +46,11 @@ export enum ErrorsMessages {
   UNEXPECTED_RESPONSE_IN_SUCCESSFUL_TRANSACTION_ERROR = 'Transaction was successfully completed but received an unexpected response',
   UNSUPPORTED_CHAIN_ID_IN_DID = 'Unsupported chainId was found in DID',
   UNSUPPORTED_DID_TYPE = 'Unsupported DID type',
-  UNSUPPORTED_DID_VERSION = 'Unsupported DID version'
+  UNSUPPORTED_DID_VERSION = 'Unsupported DID version',
+  // eslint-disable-next-line max-len
+  PUBLIC_KEY_COMPRESSED_FORMAT_ERROR = 'Unexpected public key format, expected compressed format',
+  // eslint-disable-next-line max-len
+  PUBLIC_KEY_UNCOMPRESSED_FORMAT_ERROR = 'Unexpected public key format, expected uncompressed format'
 }
 
 export const Errors = {

src/dto/did-lac/attributeDTO.ts

@@ -78,7 +78,7 @@ export class NewAttributeDTO {
 
 export class NewJwkAttributeDTO extends NewAttributeDTO {
   @IsString()
-  jwkType!: 'secp256k1';
+  jwkType!: 'secp256k1' | 'secp256r1';
 }
 
 export class RevokeAttributeDTO {

src/interfaces/did-lacchain/did-lacchain.interface.ts

@@ -19,7 +19,7 @@ export interface INewAttribute {
 }
 
 export interface INewJwkAttribute extends INewAttribute {
-  jwkType: 'secp256k1';
+  jwkType: 'secp256k1' | 'secp256r1';
 }
 
 export interface IAccountIdAttribute {

src/interfaces/key/key.interface.ts

@@ -4,4 +4,6 @@ export interface IECKey {
   address: string;
   publicKey: string;
   type: string;
+  x?: string;
+  y?: string;
 }

src/services/did-lac/did.service.ts

@@ -159,31 +159,82 @@ export abstract class DidService implements DidLacService {
   }
   async addNewJwkAttribute(attribute: INewJwkAttribute): Promise<any> {
     if (attribute.jwkType == 'secp256k1') {
-      const key = await this.keyManagerService.createSecp256k1Key();
-      const x = Buffer.from(key.publicKey.replace('0x', ''), 'hex').toString(
-        'base64url'
-      );
-      const ecJwk: EcJwk = {
-        kty: 'EC',
-        x,
-        crv: 'secp256k1'
-      };
-      const ecJwkAttribute: IJwkEcAttribute = {
-        did: attribute.did,
-        ecJwk,
-        validDays: attribute.validDays,
-        relation: attribute.relation
-      };
-      const r: INewJwkAttributeCreationResponse = {
-        ...(await this.addEcJwkAttribute(ecJwkAttribute)),
-        jwk: ecJwk
-      };
-      return r;
+      return this.addNewSecp256k1JwkAttribute(attribute);
+    } else if (attribute.jwkType == 'secp256r1') {
+      return this.addNewSecp256r1JwkAttribute(attribute);
     }
     const message = ErrorsMessages.UNSUPPORTED_JWK_CREATION_FOR_TYPE;
     this.log.info(message);
     throw new BadRequestError(message);
   }
+
+  async addNewSecp256k1JwkAttribute(attribute: INewJwkAttribute): Promise<any> {
+    const key = await this.keyManagerService.createSecp256k1Key();
+    // invariant verification
+    const pubKey = key.publicKey.replace('0x', '');
+    if (pubKey.length !== 66 || !pubKey.startsWith('02')) {
+      throw new BadRequestError(
+        ErrorsMessages.PUBLIC_KEY_COMPRESSED_FORMAT_ERROR
+      );
+    }
+    const x = Buffer.from(key.publicKey.replace('0x02', ''), 'hex').toString(
+      'base64url'
+    );
+    const ecJwk: EcJwk = {
+      kty: 'EC',
+      x,
+      crv: 'secp256k1'
+    };
+    const ecJwkAttribute: IJwkEcAttribute = {
+      did: attribute.did,
+      ecJwk,
+      validDays: attribute.validDays,
+      relation: attribute.relation
+    };
+    const r: INewJwkAttributeCreationResponse = {
+      ...(await this.addEcJwkAttribute(ecJwkAttribute)),
+      jwk: ecJwk
+    };
+    return r;
+  }
+
+  async addNewSecp256r1JwkAttribute(attribute: INewJwkAttribute): Promise<any> {
+    const key = await this.keyManagerService.createP256Key();
+    // invariant verification
+    const pubKey = key.publicKey.replace('0x', '');
+    if (pubKey.length !== 130 || !pubKey.startsWith('04')) {
+      throw new BadRequestError(
+        ErrorsMessages.PUBLIC_KEY_UNCOMPRESSED_FORMAT_ERROR
+      );
+    }
+    const pubKeyNoPrefix = key.publicKey.replace('04', '');
+    const x = Buffer.from(pubKeyNoPrefix.substring(0, 64), 'hex').toString(
+      'base64url'
+    );
+    const y = Buffer.from(pubKeyNoPrefix.substring(64, 128), 'hex').toString(
+      'base64url'
+    );
+
+    const ecJwk: EcJwk = {
+      kty: 'EC',
+      x,
+      y,
+      crv: 'P-256'
+    };
+    console.log(ecJwk);
+    const ecJwkAttribute: IJwkEcAttribute = {
+      did: attribute.did,
+      ecJwk,
+      validDays: attribute.validDays,
+      relation: attribute.relation
+    };
+    const r: INewJwkAttributeCreationResponse = {
+      ...(await this.addEcJwkAttribute(ecJwkAttribute)),
+      jwk: ecJwk
+    };
+    return r;
+  }
+
   async addRsaJwkAttribute(jwkRsaAttribute: IJwkRsaAttribute): Promise<any> {
     // TODO: validate RSA params
     const { kty } = jwkRsaAttribute.rsaJwk;

src/services/external/key-manager.service.ts

@@ -7,7 +7,8 @@ import {
   SECP256K1_SIGN_ETHEREUM_TRANSACTION,
   SECP256K1_SIGN_LACCHAIN_TRANSACTION,
   log4TSProvider,
-  ED25519_CREATE_KEY
+  ED25519_CREATE_KEY,
+  P256_CREATE_KEY
 } from '../../config';
 import {
   IEthereumTransaction,
@@ -24,6 +25,7 @@ import { IECKey } from 'src/interfaces/key/key.interface';
 export class KeyManagerService {
   public createSecp256k1Key: () => Promise<IECKey>;
   public createEd25519Key: () => Promise<IECKey>;
+  public createP256Key: () => Promise<IECKey>;
   public signEthereumTransaction: (
     ethereumTransaction: IEthereumTransaction
   ) => Promise<ISignedTransaction>;
@@ -35,6 +37,7 @@ export class KeyManagerService {
   // eslint-disable-next-line max-len
   private secp256k1SignLacchainTransactionService: Secp256k1SignLacchainTransactionService | null;
   private generic25519Service: ECService | null;
+  private p256KeyService: ECService | null;
   log = log4TSProvider.getLogger('KeyManagerService');
   constructor() {
     if (LACCHAIN_IDENTITY_IS_DEPENDENT_SERVICE !== 'true') {
@@ -56,6 +59,10 @@ export class KeyManagerService {
       this.createEd25519Key = this.createEd25519KeyByLib;
       const SS = require('lacchain-key-manager').Generic25519DbService;
       this.generic25519Service = new SS('ed25519');
+
+      this.createP256Key = this.createP256KeyByLib;
+      const TT = require('lacchain-key-manager').P256DbService;
+      this.p256KeyService = new TT();
     } else {
       this.log.info('Configuring key-manager external service connection');
       this.secp256k1Service = null;
@@ -71,6 +78,9 @@ export class KeyManagerService {
 
       this.generic25519Service = null;
       this.createEd25519Key = this.createEd25519KeyByExternalService;
+
+      this.p256KeyService = null;
+      this.createP256Key = this.createP256KeyByExternalService;
     }
   }
   async createSecp256k1KeyByLib(): Promise<IECKey> {
@@ -110,6 +120,25 @@ export class KeyManagerService {
     return (await result.json()) as IECKey;
   }
 
+  async createP256KeyByLib(): Promise<IECKey> {
+    return (await this.p256KeyService?.createKey()) as IECKey;
+  }
+
+  async createP256KeyByExternalService(): Promise<IECKey> {
+    const result = await fetch(`${KEY_MANAGER_BASE_URL}${P256_CREATE_KEY}`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json'
+      }
+    });
+    console.log('status', result.status);
+    if (result.status !== 200) {
+      console.log(await result.text());
+      throw new InternalServerError(ErrorsMessages.CREATE_KEY_ERROR);
+    }
+    return (await result.json()) as IECKey;
+  }
+
   async signEthereumTransactionByLib(
     ethereumTransaction: IEthereumTransaction
   ): Promise<ISignedTransaction> {

yarn.lock

@@ -5402,10 +5402,10 @@ koa@^2.8.2:
     type-is "^1.6.16"
     vary "^1.1.2"
 
-lacchain-key-manager@^0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/lacchain-key-manager/-/lacchain-key-manager-0.0.2.tgz#e9996ad66bdbf52e4db3148390a09dff630413b7"
-  integrity sha512-8qDeQUYHgZylcPQDkKc3N6eprVUlp0vCH+4GsH+iznZ6HlWhhdghMgEgYwSq1jlmM9L/jBos+m7m1iWBDWoQbg==
+lacchain-key-manager@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/lacchain-key-manager/-/lacchain-key-manager-0.0.6.tgz#2d4c3bd175ab11332a7f4657d70438ee47bf7f18"
+  integrity sha512-RRuazKwiLniOuGE/PmriZqjXbOjBYIe9a1vxCCHeJGnVs6mVp3dD9MnDArszUd+xiJLL4L9CLa0hzTOYZjXOhA==
   dependencies:
     "@lacchain/gas-model-provider" "^1.0.1"
     DIDComm-js "git+https://github.com/decentralized-identity/DIDComm-js.git"