/*
* RSA数据/公钥加密
* @params data 需要加密的数据
* @params pubKey 公钥
* */
encryptRSA(data, pubKey) {
// var encrypt = new JSEncrypt();
// encrypt.setPublicKey(pubKey);
// return encrypt.encrypt(data);
const clientKey = new JSEncrypt(pubKey, 'public');
clientKey.setOptions({
encryptionScheme: 'pkcs1'
});
const encrypt = clientKey.encrypt(data, 'base64');
return encrypt;
}
const callRSA = args => {
// when passing through, `Buffer`-properties will become an Object --> we need to retransfer them:
args = toBuffer(args);
let fn = args[0],
key = args[1],
rsaKey, returnValue, privateKey, publicKey, format, options;
const methodArgs = args.slice(2); // arguments to apply to any rsaKey-method
if (fn==='generateKeyPair') {
if ((typeof key!=='string') && !Buffer.isBuffer(key)) {
key = null;
format = args[1];
options = args[2];
}
format || (format={});
rsaKey = new NodeRSA(key);
key || rsaKey.generateKeyPair(format.b, format.e);
options && rsaKey.setOptions(options);
try {
privateKey = rsaKey.exportKey();
publicKey = rsaKey.exportKey('public');
}
catch (err) {
return {error: err.message};
}
return {
value: {
private: privateKey,
public: publicKey
}
};
}
if (fn==='privateToPublicKey') {
if ((typeof key!=='string') && !Buffer.isBuffer(key)) {
return {error: 'No valid private key'};
}
format || (format={});
rsaKey = new NodeRSA(key);
try {
publicKey = rsaKey.exportKey('public');
}
catch (err) {
return {error: err.message};
}
return {
value: publicKey
};
}
if (Object.itsa_isObject(key)) {
try {
rsaKey = new NodeRSA(key.key, key.format, key.options);
}
catch (err) {
return {error: err.message};
}
}
else {
try {
rsaKey = new NodeRSA(key);
}
catch (err) {
return {error: err.message};
}
}
try {
returnValue = rsaKey[fn].apply(rsaKey, methodArgs);
}
catch (err) {
return {error: err.message};
}
// for some reasson, the boolean funcs don't return boolean values:
// make them boolean:
BOOLEAN_METHODS[fn] && (returnValue=!!returnValue);
if (CRYPTED_METHODS[fn]) {
try {
returnValue = JSON.stringify(returnValue);
}
catch (err) {
return {error: err.message};
}
}
return {value: returnValue};
};
