keygen update
This commit is contained in:
Sanjana Rajan
parent
f1714fd9b5
commit
24119f4fb1
185
src/key.js
185
src/key.js
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@ -291,7 +291,6 @@ Key.prototype.getSigningKeyPacket = async function (keyId=null, date=new Date())
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};
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function isValidEncryptionKeyPacket(keyPacket, signature, date=new Date()) {
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const normDate = util.normalizeDate(date);
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return keyPacket.algorithm !== enums.read(enums.publicKey, enums.publicKey.dsa) &&
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keyPacket.algorithm !== enums.read(enums.publicKey, enums.publicKey.rsa_sign) &&
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keyPacket.algorithm !== enums.read(enums.publicKey, enums.publicKey.ecdsa) &&
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@ -1100,18 +1099,34 @@ export function readArmored(armoredText) {
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* Assumes already in form of "User Name <username@email.com>"
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* If array is used, the first userId is set as primary user Id
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* @param {String} options.passphrase The passphrase used to encrypt the resulting private key
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* @param {Boolean} [options.unlocked=false] The secret part of the generated key is unlocked
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* @param {Number} [options.keyExpirationTime=0]
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* The number of seconds after the key creation time that the key expires
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* @param {String} curve (optional) elliptic curve for ECC keys:
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* @param {Date} date Override the creation date of the key and the key signatures
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* @param {Array<Object>} subkeys (optional) options for each subkey, default to main key options. e.g. [{sign: true, passphrase: '123'}]
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* sign parameter defaults to false, and indicates whether the subkey should sign rather than encrypt
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* @returns {Promise<module:key.Key>}
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* @async
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* @static
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*/
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export function generate(options) {
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let secretKeyPacket;
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let secretSubkeyPacket;
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return Promise.resolve().then(() => {
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export async function generate(options) {
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options = sanitizeKeyOptions(options);
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options.subkeys = options.subkeys.map(function(subkey, index) { return sanitizeKeyOptions(options.subkeys[index], options); });
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let promises = [generateSecretKey(options)];
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promises = promises.concat(options.subkeys.map(generateSecretSubkey));
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return Promise.all(promises).then(packets => wrapKeyObject(packets, options));
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function sanitizeKeyOptions(options, subkeyDefaults={}) {
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options.curve = options.curve || subkeyDefaults.curve;
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options.numBits = options.numBits || subkeyDefaults.numBits;
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options.keyExpirationTime = options.keyExpirationTime >= 0 ? options.keyExpirationTime : subkeyDefaults.keyExpirationTime;
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options.passphrase = util.isString(options.passphrase) ? options.passphrase : subkeyDefaults.passphrase;
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options.date = options.date || subkeyDefaults.date;
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options.sign = options.sign || false;
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if (options.curve) {
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try {
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options.curve = enums.write(enums.curve, options.curve);
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@ -1119,81 +1134,63 @@ export function generate(options) {
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throw new Error('Not valid curve.');
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}
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if (options.curve === enums.curve.ed25519 || options.curve === enums.curve.curve25519) {
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options.keyType = options.keyType || enums.publicKey.eddsa;
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if (!subkeyDefaults.algorithm || options.sign) {
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options.algorithm = options.algorithm || enums.publicKey.eddsa;
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options.curve = enums.curve.ed25519;
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} else {
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options.keyType = options.keyType || enums.publicKey.ecdsa;
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options.algorithm = options.algorithm || enums.publicKey.ecdh;
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options.curve = enums.curve.curve25519;
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}
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} else {
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options.algorithm = options.algorithm || (!subkeyDefaults.algorithm ? enums.publicKey.ecdsa : enums.publicKey.ecdh);
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if (options.algorithm !== enums.publicKey.ecdh && options.algorithm !== enums.publicKey.ecdsa) {
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throw new Error('Invalid algorithm for curve');
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}
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}
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options.subkeyType = options.subkeyType || enums.publicKey.ecdh;
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} else if (options.numBits) {
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options.keyType = options.keyType || enums.publicKey.rsa_encrypt_sign;
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options.subkeyType = options.subkeyType || enums.publicKey.rsa_encrypt_sign;
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options.algorithm = enums.publicKey.rsa_encrypt_sign;
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} else {
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throw new Error('Key type not specified.');
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throw new Error('Unrecognized key type');
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}
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return options;
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}
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if (options.keyType !== enums.publicKey.rsa_encrypt_sign &&
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options.keyType !== enums.publicKey.ecdsa &&
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options.keyType !== enums.publicKey.eddsa) {
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// RSA Encrypt-Only and RSA Sign-Only are deprecated and SHOULD NOT be generated
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throw new Error('Unsupported key type');
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}
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if (options.subkeyType !== enums.publicKey.rsa_encrypt_sign &&
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options.subkeyType !== enums.publicKey.ecdh) {
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// RSA Encrypt-Only and RSA Sign-Only are deprecated and SHOULD NOT be generated
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throw new Error('Unsupported subkey type');
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}
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if (!options.passphrase) { // Key without passphrase is unlocked by definition
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options.unlocked = true;
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}
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if (util.isString(options.userIds)) {
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options.userIds = [options.userIds];
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}
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return Promise.all([generateSecretKey(), generateSecretSubkey()]).then(() => wrapKeyObject(secretKeyPacket, secretSubkeyPacket, options));
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});
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function generateSecretKey() {
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secretKeyPacket = new packet.SecretKey(options.date);
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async function generateSecretKey(options) {
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const secretKeyPacket = new packet.SecretKey(options.date);
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secretKeyPacket.packets = null;
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secretKeyPacket.algorithm = enums.read(enums.publicKey, options.keyType);
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options.curve = options.curve === enums.curve.curve25519 ? enums.curve.ed25519 : options.curve;
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return secretKeyPacket.generate(options.numBits, options.curve);
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secretKeyPacket.algorithm = enums.read(enums.publicKey, options.algorithm);
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await secretKeyPacket.generate(options.numBits, options.curve);
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return secretKeyPacket;
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}
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function generateSecretSubkey() {
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secretSubkeyPacket = new packet.SecretSubkey(options.date);
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secretKeyPacket.packets = null;
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secretSubkeyPacket.algorithm = enums.read(enums.publicKey, options.subkeyType);
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options.curve = options.curve === enums.curve.ed25519 ? enums.curve.curve25519 : options.curve;
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return secretSubkeyPacket.generate(options.numBits, options.curve);
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async function generateSecretSubkey(options) {
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const secretSubkeyPacket = new packet.SecretSubkey(options.date);
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secretSubkeyPacket.packets = null;
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secretSubkeyPacket.algorithm = enums.read(enums.publicKey, options.algorithm);
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await secretSubkeyPacket.generate(options.numBits, options.curve);
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return secretSubkeyPacket;
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}
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}
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/**
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* Reformats and signs an OpenPGP with a given User ID. Currently only supports RSA keys.
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* Reformats and signs an OpenPGP key with a given User ID. Currently only supports RSA keys.
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* @param {module:key.Key} options.privateKey The private key to reformat
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* @param {module:enums.publicKey} [options.keyType=module:enums.publicKey.rsa_encrypt_sign]
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* @param {String|Array<String>} options.userIds
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* Assumes already in form of "User Name <username@email.com>"
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* If array is used, the first userId is set as primary user Id
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* @param {String} options.passphrase The passphrase used to encrypt the resulting private key
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* @param {Boolean} [options.unlocked=false] The secret part of the generated key is unlocked
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* @param {Number} [options.keyExpirationTime=0]
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* The number of seconds after the key creation time that the key expires
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* @param {Date} date Override the creation date of the key and the key signatures
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* @param {Array<Object>} subkeys (optional) options for each subkey, default to main key options. e.g. [{sign: true, passphrase: '123'}]
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*
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* @returns {Promise<module:key.Key>}
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* @async
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* @static
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*/
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export async function reformat(options) {
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let secretKeyPacket;
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let secretSubkeyPacket;
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options.keyType = options.keyType || enums.publicKey.rsa_encrypt_sign;
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// RSA Encrypt-Only and RSA Sign-Only are deprecated and SHOULD NOT be generated
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if (options.keyType !== enums.publicKey.rsa_encrypt_sign) {
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throw new Error('Only RSA Encrypt or Sign supported');
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}
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options = sanitizeKeyOptions(options);
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try {
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const isDecrypted = options.privateKey.getKeyPackets().every(keyPacket => keyPacket.isDecrypted);
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@ -1204,36 +1201,55 @@ export async function reformat(options) {
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throw new Error('Key not decrypted');
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}
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if (!options.passphrase) { // Key without passphrase is unlocked by definition
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options.unlocked = true;
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}
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if (util.isString(options.userIds)) {
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options.userIds = [options.userIds];
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}
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const packetlist = options.privateKey.toPacketlist();
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let secretKeyPacket;
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const secretSubkeyPackets = [];
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for (let i = 0; i < packetlist.length; i++) {
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if (packetlist[i].tag === enums.packet.secretKey) {
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secretKeyPacket = packetlist[i];
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options.keyType = secretKeyPacket.algorithm;
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} else if (packetlist[i].tag === enums.packet.secretSubkey) {
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secretSubkeyPacket = packetlist[i];
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options.subkeyType = secretSubkeyPacket.algorithm;
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secretSubkeyPackets.push(packetlist[i]);
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}
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}
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if (!secretKeyPacket) {
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throw new Error('Key does not contain a secret key packet');
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}
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return wrapKeyObject(secretKeyPacket, secretSubkeyPacket, options);
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if (!options.subkeys) {
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options.subkeys = secretSubkeyPackets.map(() => ({}));
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}
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async function wrapKeyObject(secretKeyPacket, secretSubkeyPacket, options) {
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if (options.subkeys.length !== secretSubkeyPackets.length) {
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throw new Error('Number of subkey options does not match number of subkeys');
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}
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options.subkeys = options.subkeys.map(function(subkey, index) { return sanitizeKeyOptions(options.subkeys[index], options); });
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return wrapKeyObject([secretKeyPacket].concat(secretSubkeyPackets), options);
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function sanitizeKeyOptions(options, subkeyDefaults={}) {
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options.keyExpirationTime = options.keyExpirationTime || subkeyDefaults.keyExpirationTime;
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options.passphrase = util.isString(options.passphrase) ? options.passphrase : subkeyDefaults.passphrase;
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options.date = options.date || subkeyDefaults.date;
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return options;
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}
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}
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async function wrapKeyObject(packets, options) {
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const secretKeyPacket = packets[0];
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const secretSubkeyPackets = packets.slice(1);
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// set passphrase protection
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if (options.passphrase) {
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await secretKeyPacket.encrypt(options.passphrase);
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if (secretSubkeyPacket) {
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await secretSubkeyPacket.encrypt(options.passphrase);
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}
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await Promise.all(secretSubkeyPackets.map(async function(secretSubkeyPacket, index) {
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const subkeyPassphrase = options.subkeys[index].passphrase;
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if (subkeyPassphrase) {
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await secretSubkeyPacket.encrypt(subkeyPassphrase);
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}
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}));
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const packetlist = new packet.List();
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@ -1248,7 +1264,7 @@ async function wrapKeyObject(secretKeyPacket, secretSubkeyPacket, options) {
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dataToSign.key = secretKeyPacket;
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const signaturePacket = new packet.Signature(options.date);
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signaturePacket.signatureType = enums.signature.cert_generic;
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signaturePacket.publicKeyAlgorithm = options.keyType;
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signaturePacket.publicKeyAlgorithm = secretKeyPacket.algorithm;
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signaturePacket.hashAlgorithm = await getPreferredHashAlgo(secretKeyPacket);
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signaturePacket.keyFlags = [enums.keyFlags.certify_keys | enums.keyFlags.sign_data];
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signaturePacket.preferredSymmetricAlgorithms = [];
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@ -1277,6 +1293,7 @@ async function wrapKeyObject(secretKeyPacket, secretSubkeyPacket, options) {
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signaturePacket.keyExpirationTime = options.keyExpirationTime;
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signaturePacket.keyNeverExpires = false;
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}
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await signaturePacket.sign(secretKeyPacket, dataToSign);
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return { userIdPacket, signaturePacket };
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@ -1287,31 +1304,41 @@ async function wrapKeyObject(secretKeyPacket, secretSubkeyPacket, options) {
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});
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});
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if (secretSubkeyPacket) {
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await Promise.all(secretSubkeyPackets.map(async function(secretSubkeyPacket, index) {
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const subkeyOptions = options.subkeys[index];
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const dataToSign = {};
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dataToSign.key = secretKeyPacket;
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dataToSign.bind = secretSubkeyPacket;
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const subkeySignaturePacket = new packet.Signature(options.date);
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const subkeySignaturePacket = new packet.Signature(subkeyOptions.date);
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subkeySignaturePacket.signatureType = enums.signature.subkey_binding;
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subkeySignaturePacket.publicKeyAlgorithm = options.keyType;
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subkeySignaturePacket.publicKeyAlgorithm = secretKeyPacket.algorithm;
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subkeySignaturePacket.hashAlgorithm = await getPreferredHashAlgo(secretSubkeyPacket);
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subkeySignaturePacket.keyFlags = [enums.keyFlags.encrypt_communication | enums.keyFlags.encrypt_storage];
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if (options.keyExpirationTime > 0) {
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subkeySignaturePacket.keyExpirationTime = options.keyExpirationTime;
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subkeySignaturePacket.keyFlags = subkeyOptions.sign ? enums.keyFlags.sign_data : [enums.keyFlags.encrypt_communication | enums.keyFlags.encrypt_storage];
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if (subkeyOptions.keyExpirationTime > 0) {
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subkeySignaturePacket.keyExpirationTime = subkeyOptions.keyExpirationTime;
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subkeySignaturePacket.keyNeverExpires = false;
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}
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await subkeySignaturePacket.sign(secretKeyPacket, dataToSign);
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return { secretSubkeyPacket, subkeySignaturePacket};
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})).then(packets => {
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packets.forEach(({ secretSubkeyPacket, subkeySignaturePacket }) => {
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packetlist.push(secretSubkeyPacket);
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packetlist.push(subkeySignaturePacket);
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});
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});
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// set passphrase protection
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if (options.passphrase) {
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secretKeyPacket.clearPrivateParams();
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}
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if (!options.unlocked) {
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secretKeyPacket.clearPrivateParams();
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if (secretSubkeyPacket) {
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await Promise.all(secretSubkeyPackets.map(async function(secretSubkeyPacket, index) {
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const subkeyPassphrase = options.subkeys[index].passphrase;
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if (subkeyPassphrase) {
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secretSubkeyPacket.clearPrivateParams();
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}
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}
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}));
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return new Key(packetlist);
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}
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@ -99,26 +99,22 @@ export function destroyWorker() {
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* @param {Array<Object>} userIds array of user IDs e.g. [{ name:'Phil Zimmermann', email:'phil@openpgp.org' }]
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* @param {String} passphrase (optional) The passphrase used to encrypt the resulting private key
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* @param {Number} numBits (optional) number of bits for RSA keys: 2048 or 4096.
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* @param {Number} keyExpirationTime (optional) The number of seconds after the key creation time that the key expires
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* @param {String} curve (optional) elliptic curve for ECC keys:
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* curve25519, p256, p384, p521, secp256k1,
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* brainpoolP256r1, brainpoolP384r1, or brainpoolP512r1.
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* @param {Boolean} unlocked (optional) If the returned secret part of the generated key is unlocked
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* @param {Number} keyExpirationTime (optional) The number of seconds after the key creation time that the key expires
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* @param {Date} date (optional) override the creation date of the key and the key signatures
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* @param {Array<Object>} subkeys (optional) options for each subkey, default to main key options. e.g. [{sign: true, passphrase: '123'}]
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* sign parameter defaults to false, and indicates whether the subkey should sign rather than encrypt
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* @returns {Promise<Object>} The generated key object in the form:
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* { key:Key, privateKeyArmored:String, publicKeyArmored:String }
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* @async
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* @static
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*/
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export function generateKey({
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userIds=[], passphrase, numBits=2048, unlocked=false, keyExpirationTime=0, curve="", date=new Date()
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} = {}) {
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export function generateKey({ userIds=[], passphrase="", numBits=2048, keyExpirationTime=0, curve="", date=new Date(), subkeys=[{}] }) {
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userIds = formatUserIds(userIds);
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const options = {
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userIds, passphrase, numBits, unlocked, keyExpirationTime, curve, date
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};
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const options = { userIds, passphrase, numBits, keyExpirationTime, curve, date, subkeys };
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if (util.getWebCryptoAll() && numBits < 2048) {
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throw new Error('numBits should be 2048 or 4096, found: ' + numBits);
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}
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@ -141,22 +137,15 @@ export function generateKey({
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* @param {Key} privateKey private key to reformat
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* @param {Array<Object>} userIds array of user IDs e.g. [{ name:'Phil Zimmermann', email:'phil@openpgp.org' }]
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* @param {String} passphrase (optional) The passphrase used to encrypt the resulting private key
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* @param {Boolean} unlocked (optional) If the returned secret part of the generated key is unlocked
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* @param {Number} keyExpirationTime (optional) The number of seconds after the key creation time that the key expires
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* @returns {Promise<Object>} The generated key object in the form:
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* { key:Key, privateKeyArmored:String, publicKeyArmored:String }
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* @async
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* @static
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*/
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export function reformatKey({
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privateKey, userIds=[], passphrase="", unlocked=false, keyExpirationTime=0
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} = {}) {
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export function reformatKey({privateKey, userIds=[], passphrase="", keyExpirationTime=0, date}) {
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userIds = formatUserIds(userIds);
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const options = {
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privateKey, userIds, passphrase, unlocked, keyExpirationTime
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};
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const options = { privateKey, userIds, passphrase, keyExpirationTime, date};
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if (asyncProxy) {
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return asyncProxy.delegate('reformatKey', options);
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}
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