import * as jsig from 'jsonld-signatures' import { PRIVATE_RSA_KEY_SIZE, BCRYPT_SALT_SIZE } from '../initializers' import { bcryptComparePromise, bcryptGenSaltPromise, bcryptHashPromise, createPrivateKey, getPublicKey, jsonldSignPromise, jsonldVerifyPromise } from './core-utils' import { logger } from './logger' import { AccountInstance } from '../models/account/account-interface' async function createPrivateAndPublicKeys () { logger.info('Generating a RSA key...') const { key } = await createPrivateKey(PRIVATE_RSA_KEY_SIZE) const { publicKey } = await getPublicKey(key) return { privateKey: key, publicKey } } function isSignatureVerified (fromAccount: AccountInstance, signedDocument: object) { const publicKeyObject = { '@context': jsig.SECURITY_CONTEXT_URL, '@id': fromAccount.url, '@type': 'CryptographicKey', owner: fromAccount.url, publicKeyPem: fromAccount.publicKey } const publicKeyOwnerObject = { '@context': jsig.SECURITY_CONTEXT_URL, '@id': fromAccount.url, publicKey: [ publicKeyObject ] } const options = { publicKey: publicKeyObject, publicKeyOwner: publicKeyOwnerObject } return jsonldVerifyPromise(signedDocument, options) .catch(err => { logger.error('Cannot check signature.', err) return false }) } function signObject (byAccount: AccountInstance, data: any) { const options = { privateKeyPem: byAccount.privateKey, creator: byAccount.url } return jsonldSignPromise(data, options) } function comparePassword (plainPassword: string, hashPassword: string) { return bcryptComparePromise(plainPassword, hashPassword) } async function cryptPassword (password: string) { const salt = await bcryptGenSaltPromise(BCRYPT_SALT_SIZE) return bcryptHashPromise(password, salt) } // --------------------------------------------------------------------------- export { isSignatureVerified, comparePassword, createPrivateAndPublicKeys, cryptPassword, signObject }