node-tls

A native implementation of [TLS][] (and various other cryptographic tools) in [JavaScript][].

Introduction

The node-tls software is a fully native implementation of the [TLS][] protocol in JavaScript, a set of cryptography utilities, and a set of tools for developing Web Apps that utilize many network resources.

Installation

Node.js

If you want to use forge with [Node.js][], it is available through npm:

https://npmjs.org/node-tls

Installation:

npm install node-tls

You can then use forge as a regular module:

const { tls } = require('node-tls');

The npm package includes pre-built min.js, all.min.js, and prime.worker.min.js using the [UMD][] format.

API

Options

If at any time you wish to disable the use of native code, where available, for particular forge features like its secure random number generator, you may set the options.usePureJavaScript flag to true. It is not recommended that you set this flag as native code is typically more performant and may have stronger security properties. It may be useful to set this flag to test certain features that you plan to run in environments that are different from your testing environment.

To disable native code when including forge in the browser:

// run this *after* including the forge script
options.usePureJavaScript = true;

To disable native code when using Node.js:

var forge = require('node-tls');
options.usePureJavaScript = true;

Transports

TLS

Provides a native javascript client and server-side [TLS][] implementation.

Examples

// create TLS client
var client = tls.createConnection({
  server: false,
  caStore: /* Array of PEM-formatted certs or a CA store object */,
  sessionCache: {},
  // supported cipher suites in order of preference
  cipherSuites: [
    tls.CipherSuites.TLS_RSA_WITH_AES_128_CBC_SHA,
    tls.CipherSuites.TLS_RSA_WITH_AES_256_CBC_SHA],
  virtualHost: 'example.com',
  verify: function(connection, verified, depth, certs) {
    if(depth === 0) {
      var cn = certs[0].subject.getField('CN').value;
      if(cn !== 'example.com') {
        verified = {
          alert: tls.Alert.Description.bad_certificate,
          message: 'Certificate common name does not match hostname.'
        };
      }
    }
    return verified;
  },
  connected: function(connection) {
    console.log('connected');
    // send message to server
    connection.prepare(util.encodeUtf8('Hi server!'));
    /* NOTE: experimental, start heartbeat retransmission timer
    myHeartbeatTimer = setInterval(function() {
      connection.prepareHeartbeatRequest(util.createBuffer('1234'));
    }, 5*60*1000);*/
  },
  /* provide a client-side cert if you want
  getCertificate: function(connection, hint) {
    return myClientCertificate;
  },
  /* the private key for the client-side cert if provided */
  getPrivateKey: function(connection, cert) {
    return myClientPrivateKey;
  },
  tlsDataReady: function(connection) {
    // TLS data (encrypted) is ready to be sent to the server
    sendToServerSomehow(connection.tlsData.getBytes());
    // if you were communicating with the server below, you'd do:
    // server.process(connection.tlsData.getBytes());
  },
  dataReady: function(connection) {
    // clear data from the server is ready
    console.log('the server sent: ' +
      util.decodeUtf8(connection.data.getBytes()));
    // close connection
    connection.close();
  },
  /* NOTE: experimental
  heartbeatReceived: function(connection, payload) {
    // restart retransmission timer, look at payload
    clearInterval(myHeartbeatTimer);
    myHeartbeatTimer = setInterval(function() {
      connection.prepareHeartbeatRequest(util.createBuffer('1234'));
    }, 5*60*1000);
    payload.getBytes();
  },*/
  closed: function(connection) {
    console.log('disconnected');
  },
  error: function(connection, error) {
    console.log('uh oh', error);
  }
});

// start the handshake process
client.handshake();

// when encrypted TLS data is received from the server, process it
client.process(encryptedBytesFromServer);

// create TLS server
var server = tls.createConnection({
  server: true,
  caStore: /* Array of PEM-formatted certs or a CA store object */,
  sessionCache: {},
  // supported cipher suites in order of preference
  cipherSuites: [
    tls.CipherSuites.TLS_RSA_WITH_AES_128_CBC_SHA,
    tls.CipherSuites.TLS_RSA_WITH_AES_256_CBC_SHA],
  // require a client-side certificate if you want
  verifyClient: true,
  verify: function(connection, verified, depth, certs) {
    if(depth === 0) {
      var cn = certs[0].subject.getField('CN').value;
      if(cn !== 'the-client') {
        verified = {
          alert: tls.Alert.Description.bad_certificate,
          message: 'Certificate common name does not match expected client.'
        };
      }
    }
    return verified;
  },
  connected: function(connection) {
    console.log('connected');
    // send message to client
    connection.prepare(util.encodeUtf8('Hi client!'));
    /* NOTE: experimental, start heartbeat retransmission timer
    myHeartbeatTimer = setInterval(function() {
      connection.prepareHeartbeatRequest(util.createBuffer('1234'));
    }, 5*60*1000);*/
  },
  getCertificate: function(connection, hint) {
    return myServerCertificate;
  },
  getPrivateKey: function(connection, cert) {
    return myServerPrivateKey;
  },
  tlsDataReady: function(connection) {
    // TLS data (encrypted) is ready to be sent to the client
    sendToClientSomehow(connection.tlsData.getBytes());
    // if you were communicating with the client above you'd do:
    // client.process(connection.tlsData.getBytes());
  },
  dataReady: function(connection) {
    // clear data from the client is ready
    console.log('the client sent: ' +
      util.decodeUtf8(connection.data.getBytes()));
    // close connection
    connection.close();
  },
  /* NOTE: experimental
  heartbeatReceived: function(connection, payload) {
    // restart retransmission timer, look at payload
    clearInterval(myHeartbeatTimer);
    myHeartbeatTimer = setInterval(function() {
      connection.prepareHeartbeatRequest(util.createBuffer('1234'));
    }, 5*60*1000);
    payload.getBytes();
  },*/
  closed: function(connection) {
    console.log('disconnected');
  },
  error: function(connection, error) {
    console.log('uh oh', error);
  }
});

// when encrypted TLS data is received from the client, process it
server.process(encryptedBytesFromClient);

Connect to a TLS server using node's net.Socket:

var socket = new net.Socket();

var client = tls.createConnection({
  server: false,
  verify: function(connection, verified, depth, certs) {
    // skip verification for testing
    console.log('[tls] server certificate verified');
    return true;
  },
  connected: function(connection) {
    console.log('[tls] connected');
    // prepare some data to send (note that the string is interpreted as
    // 'binary' encoded, which works for HTTP which only uses ASCII, use
    // util.encodeUtf8(str) otherwise
    client.prepare('GET / HTTP/1.0\r\n\r\n');
  },
  tlsDataReady: function(connection) {
    // encrypted data is ready to be sent to the server
    var data = connection.tlsData.getBytes();
    socket.write(data, 'binary'); // encoding should be 'binary'
  },
  dataReady: function(connection) {
    // clear data from the server is ready
    var data = connection.data.getBytes();
    console.log('[tls] data received from the server: ' + data);
  },
  closed: function() {
    console.log('[tls] disconnected');
  },
  error: function(connection, error) {
    console.log('[tls] error', error);
  }
});

socket.on('connect', function() {
  console.log('[socket] connected');
  client.handshake();
});
socket.on('data', function(data) {
  client.process(data.toString('binary')); // encoding should be 'binary'
});
socket.on('end', function() {
  console.log('[socket] disconnected');
});

// connect to google.com
socket.connect(443, 'google.com');

// or connect to gmail's imap server (but don't send the HTTP header above)
//socket.connect(993, 'imap.gmail.com');

HTTP

Provides a native [JavaScript][] mini-implementation of an http client that uses pooled sockets.

Examples

// create an HTTP GET request
var request = http.createRequest({method: 'GET', path: url.path});

// send the request somewhere
sendSomehow(request.toString());

// receive response
var buffer = util.createBuffer();
var response = http.createResponse();
var someAsyncDataHandler = function(bytes) {
  if(!response.bodyReceived) {
    buffer.putBytes(bytes);
    if(!response.headerReceived) {
      if(response.readHeader(buffer)) {
        console.log('HTTP response header: ' + response.toString());
      }
    }
    if(response.headerReceived && !response.bodyReceived) {
      if(response.readBody(buffer)) {
        console.log('HTTP response body: ' + response.body);
      }
    }
  }
};

SSH

Provides some SSH utility functions.

Examples

// encodes (and optionally encrypts) a private RSA key as a Putty PPK file
ssh.privateKeyToPutty(privateKey, passphrase, comment);

// encodes a public RSA key as an OpenSSH file
ssh.publicKeyToOpenSSH(key, comment);

// encodes a private RSA key as an OpenSSH file
ssh.privateKeyToOpenSSH(privateKey, passphrase);

// gets the SSH public key fingerprint in a byte buffer
ssh.getPublicKeyFingerprint(key);

// gets a hex-encoded, colon-delimited SSH public key fingerprint
ssh.getPublicKeyFingerprint(key, {encoding: 'hex', delimiter: ':'});

XHR

Provides an XmlHttpRequest implementation using http as a backend.

Examples

// TODO

Sockets

Provides an interface to create and use raw sockets provided via Flash.

Examples

// TODO

Ciphers

CIPHER

Provides a basic API for block encryption and decryption. There is built-in support for the ciphers: [AES][], [3DES][], and [DES][], and for the modes of operation: [ECB][], [CBC][], [CFB][], [OFB][], [CTR][], and [GCM][].

These algorithms are currently supported:

AES-ECB
AES-CBC
AES-CFB
AES-OFB
AES-CTR
AES-GCM
3DES-ECB
3DES-CBC
DES-ECB
DES-CBC

When using an [AES][] algorithm, the key size will determine whether AES-128, AES-192, or AES-256 is used (all are supported). When a [DES][] algorithm is used, the key size will determine whether [3DES][] or regular [DES][] is used. Use a [3DES][] algorithm to enforce Triple-DES.

Examples

// generate a random key and IV
// Note: a key size of 16 bytes will use AES-128, 24 => AES-192, 32 => AES-256
var key = random.getBytesSync(16);
var iv = random.getBytesSync(16);

/* alternatively, generate a password-based 16-byte key
var salt = random.getBytesSync(128);
var key = pkcs5.pbkdf2('password', salt, numIterations, 16);
*/

// encrypt some bytes using CBC mode
// (other modes include: ECB, CFB, OFB, CTR, and GCM)
// Note: CBC and ECB modes use PKCS#7 padding as default
var cipher = cipher.createCipher('AES-CBC', key);
cipher.start({iv: iv});
cipher.update(util.createBuffer(someBytes));
cipher.finish();
var encrypted = cipher.output;
// outputs encrypted hex
console.log(encrypted.toHex());

// decrypt some bytes using CBC mode
// (other modes include: CFB, OFB, CTR, and GCM)
var decipher = cipher.createDecipher('AES-CBC', key);
decipher.start({iv: iv});
decipher.update(encrypted);
var result = decipher.finish(); // check 'result' for true/false
// outputs decrypted hex
console.log(decipher.output.toHex());

// decrypt bytes using CBC mode and streaming
// Performance can suffer for large multi-MB inputs due to buffer
// manipulations. Stream processing in chunks can offer significant
// improvement. CPU intensive update() calls could also be performed with
// setImmediate/setTimeout to avoid blocking the main browser UI thread (not
// shown here). Optimal block size depends on the JavaScript VM and other
// factors. Encryption can use a simple technique for increased performance.
var encryptedBytes = encrypted.bytes();
var decipher = cipher.createDecipher('AES-CBC', key);
decipher.start({iv: iv});
var length = encryptedBytes.length;
var chunkSize = 1024 * 64;
var index = 0;
var decrypted = '';
do {
  decrypted += decipher.output.getBytes();
  var buf = util.createBuffer(encryptedBytes.substr(index, chunkSize));
  decipher.update(buf);
  index += chunkSize;
} while(index < length);
var result = decipher.finish();
assert(result);
decrypted += decipher.output.getBytes();
console.log(util.bytesToHex(decrypted));

// encrypt some bytes using GCM mode
var cipher = cipher.createCipher('AES-GCM', key);
cipher.start({
  iv: iv, // should be a 12-byte binary-encoded string or byte buffer
  additionalData: 'binary-encoded string', // optional
  tagLength: 128 // optional, defaults to 128 bits
});
cipher.update(util.createBuffer(someBytes));
cipher.finish();
var encrypted = cipher.output;
var tag = cipher.mode.tag;
// outputs encrypted hex
console.log(encrypted.toHex());
// outputs authentication tag
console.log(tag.toHex());

// decrypt some bytes using GCM mode
var decipher = cipher.createDecipher('AES-GCM', key);
decipher.start({
  iv: iv,
  additionalData: 'binary-encoded string', // optional
  tagLength: 128, // optional, defaults to 128 bits
  tag: tag // authentication tag from encryption
});
decipher.update(encrypted);
var pass = decipher.finish();
// pass is false if there was a failure (eg: authentication tag didn't match)
if(pass) {
  // outputs decrypted hex
  console.log(decipher.output.toHex());
}

Using forge in Node.js to match openssl's "enc" command line tool (Note: OpenSSL "enc" uses a non-standard file format with a custom key derivation function and a fixed iteration count of 1, which some consider less secure than alternatives such as OpenPGP/GnuPG):

var forge = require('node-tls');
var fs = require('fs');

// openssl enc -des3 -in input.txt -out input.enc
function encrypt(password) {
  var input = fs.readFileSync('input.txt', {encoding: 'binary'});

  // 3DES key and IV sizes
  var keySize = 24;
  var ivSize = 8;

  // get derived bytes
  // Notes:
  // 1. If using an alternative hash (eg: "-md sha1") pass
  //   "md.sha1.create()" as the final parameter.
  // 2. If using "-nosalt", set salt to null.
  var salt = random.getBytesSync(8);
  // var md = md.sha1.create(); // "-md sha1"
  var derivedBytes = pbe.opensslDeriveBytes(
    password, salt, keySize + ivSize/*, md*/);
  var buffer = util.createBuffer(derivedBytes);
  var key = buffer.getBytes(keySize);
  var iv = buffer.getBytes(ivSize);

  var cipher = cipher.createCipher('3DES-CBC', key);
  cipher.start({iv: iv});
  cipher.update(util.createBuffer(input, 'binary'));
  cipher.finish();

  var output = util.createBuffer();

  // if using a salt, prepend this to the output:
  if(salt !== null) {
    output.putBytes('Salted__'); // (add to match openssl tool output)
    output.putBytes(salt);
  }
  output.putBuffer(cipher.output);

  fs.writeFileSync('input.enc', output.getBytes(), {encoding: 'binary'});
}

// openssl enc -d -des3 -in input.enc -out input.dec.txt
function decrypt(password) {
  var input = fs.readFileSync('input.enc', {encoding: 'binary'});

  // parse salt from input
  input = util.createBuffer(input, 'binary');
  // skip "Salted__" (if known to be present)
  input.getBytes('Salted__'.length);
  // read 8-byte salt
  var salt = input.getBytes(8);

  // Note: if using "-nosalt", skip above parsing and use
  // var salt = null;

  // 3DES key and IV sizes
  var keySize = 24;
  var ivSize = 8;

  var derivedBytes = pbe.opensslDeriveBytes(
    password, salt, keySize + ivSize);
  var buffer = util.createBuffer(derivedBytes);
  var key = buffer.getBytes(keySize);
  var iv = buffer.getBytes(ivSize);

  var decipher = cipher.createDecipher('3DES-CBC', key);
  decipher.start({iv: iv});
  decipher.update(input);
  var result = decipher.finish(); // check 'result' for true/false

  fs.writeFileSync(
    'input.dec.txt', decipher.output.getBytes(), {encoding: 'binary'});
}

AES

Provides [AES][] encryption and decryption in [CBC][], [CFB][], [OFB][], [CTR][], and [GCM][] modes. See CIPHER for examples.

DES

Provides [3DES][] and [DES][] encryption and decryption in [ECB][] and [CBC][] modes. See CIPHER for examples.

RC2

Examples

// generate a random key and IV
var key = random.getBytesSync(16);
var iv = random.getBytesSync(8);

// encrypt some bytes
var cipher = rc2.createEncryptionCipher(key);
cipher.start(iv);
cipher.update(util.createBuffer(someBytes));
cipher.finish();
var encrypted = cipher.output;
// outputs encrypted hex
console.log(encrypted.toHex());

// decrypt some bytes
var cipher = rc2.createDecryptionCipher(key);
cipher.start(iv);
cipher.update(encrypted);
cipher.finish();
// outputs decrypted hex
console.log(cipher.output.toHex());

PKI

Provides [X.509][] certificate support, ED25519 key generation and signing/verifying, and RSA public and private key encoding, decoding, encryption/decryption, and signing/verifying.

ED25519

Special thanks to [TweetNaCl.js][] for providing the bulk of the implementation.

Examples

var ed25519 = pki.ed25519;

// generate a random ED25519 keypair
var keypair = ed25519.generateKeyPair();
// `keypair.publicKey` is a node.js Buffer or Uint8Array
// `keypair.privateKey` is a node.js Buffer or Uint8Array

// generate a random ED25519 keypair based on a random 32-byte seed
var seed = random.getBytesSync(32);
var keypair = ed25519.generateKeyPair({seed: seed});

// generate a random ED25519 keypair based on a "password" 32-byte seed
var password = 'Mai9ohgh6ahxee0jutheew0pungoozil';
var seed = new util.ByteBuffer(password, 'utf8');
var keypair = ed25519.generateKeyPair({seed: seed});

// sign a UTF-8 message
var signature = ED25519.sign({
  message: 'test',
  // also accepts `binary` if you want to pass a binary string
  encoding: 'utf8',
  // node.js Buffer, Uint8Array, forge ByteBuffer, binary string
  privateKey: privateKey
});
// `signature` is a node.js Buffer or Uint8Array

// sign a message passed as a buffer
var signature = ED25519.sign({
  // also accepts a forge ByteBuffer or Uint8Array
  message: Buffer.from('test', 'utf8'),
  privateKey: privateKey
});

// sign a message digest (shorter "message" == better performance)
var md = md.sha256.create();
md.update('test', 'utf8');
var signature = ED25519.sign({
  md: md,
  privateKey: privateKey
});

// verify a signature on a UTF-8 message
var verified = ED25519.verify({
  message: 'test',
  encoding: 'utf8',
  // node.js Buffer, Uint8Array, forge ByteBuffer, or binary string
  signature: signature,
  // node.js Buffer, Uint8Array, forge ByteBuffer, or binary string
  publicKey: publicKey
});
// `verified` is true/false

// sign a message passed as a buffer
var verified = ED25519.verify({
  // also accepts a forge ByteBuffer or Uint8Array
  message: Buffer.from('test', 'utf8'),
  // node.js Buffer, Uint8Array, forge ByteBuffer, or binary string
  signature: signature,
  // node.js Buffer, Uint8Array, forge ByteBuffer, or binary string
  publicKey: publicKey
});

// verify a signature on a message digest
var md = md.sha256.create();
md.update('test', 'utf8');
var verified = ED25519.verify({
  md: md,
  // node.js Buffer, Uint8Array, forge ByteBuffer, or binary string
  signature: signature,
  // node.js Buffer, Uint8Array, forge ByteBuffer, or binary string
  publicKey: publicKey
});

RSA

Examples

var rsa = pki.rsa;

// generate an RSA key pair synchronously
// *NOT RECOMMENDED*: Can be significantly slower than async and may block
// JavaScript execution. Will use native Node.js 10.12.0+ API if possible.
var keypair = rsa.generateKeyPair({bits: 2048, e: 0x10001});

// generate an RSA key pair asynchronously (uses web workers if available)
// use workers: -1 to run a fast core estimator to optimize # of workers
// *RECOMMENDED*: Can be significantly faster than sync. Will use native
// Node.js 10.12.0+ or WebCrypto API if possible.
rsa.generateKeyPair({bits: 2048, workers: 2}, function(err, keypair) {
  // keypair.privateKey, keypair.publicKey
});

// generate an RSA key pair in steps that attempt to run for a specified period
// of time on the main JS thread
var state = rsa.createKeyPairGenerationState(2048, 0x10001);
var step = function() {
  // run for 100 ms
  if(!rsa.stepKeyPairGenerationState(state, 100)) {
    setTimeout(step, 1);
  }
  else {
    // done, turn off progress indicator, use state.keys
  }
};
// turn on progress indicator, schedule generation to run
setTimeout(step);

// sign data with a private key and output DigestInfo DER-encoded bytes
// (defaults to RSASSA PKCS#1 v1.5)
var md = md.sha1.create();
md.update('sign this', 'utf8');
var signature = privateKey.sign(md);

// verify data with a public key
// (defaults to RSASSA PKCS#1 v1.5)
var verified = publicKey.verify(md.digest().bytes(), signature);

// sign data using RSASSA-PSS where PSS uses a SHA-1 hash, a SHA-1 based
// masking function MGF1, and a 20 byte salt
var md = md.sha1.create();
md.update('sign this', 'utf8');
var pss = pss.create({
  md: md.sha1.create(),
  mgf: mgf.mgf1.create(md.sha1.create()),
  saltLength: 20
  // optionally pass 'prng' with a custom PRNG implementation
  // optionalls pass 'salt' with a util.ByteBuffer w/custom salt
});
var signature = privateKey.sign(md, pss);

// verify RSASSA-PSS signature
var pss = pss.create({
  md: md.sha1.create(),
  mgf: mgf.mgf1.create(md.sha1.create()),
  saltLength: 20
  // optionally pass 'prng' with a custom PRNG implementation
});
var md = md.sha1.create();
md.update('sign this', 'utf8');
publicKey.verify(md.digest().getBytes(), signature, pss);

// encrypt data with a public key (defaults to RSAES PKCS#1 v1.5)
var encrypted = publicKey.encrypt(bytes);

// decrypt data with a private key (defaults to RSAES PKCS#1 v1.5)
var decrypted = privateKey.decrypt(encrypted);

// encrypt data with a public key using RSAES PKCS#1 v1.5
var encrypted = publicKey.encrypt(bytes, 'RSAES-PKCS1-V1_5');

// decrypt data with a private key using RSAES PKCS#1 v1.5
var decrypted = privateKey.decrypt(encrypted, 'RSAES-PKCS1-V1_5');

// encrypt data with a public key using RSAES-OAEP
var encrypted = publicKey.encrypt(bytes, 'RSA-OAEP');

// decrypt data with a private key using RSAES-OAEP
var decrypted = privateKey.decrypt(encrypted, 'RSA-OAEP');

// encrypt data with a public key using RSAES-OAEP/SHA-256
var encrypted = publicKey.encrypt(bytes, 'RSA-OAEP', {
  md: md.sha256.create()
});

// decrypt data with a private key using RSAES-OAEP/SHA-256
var decrypted = privateKey.decrypt(encrypted, 'RSA-OAEP', {
  md: md.sha256.create()
});

// encrypt data with a public key using RSAES-OAEP/SHA-256/MGF1-SHA-1
// compatible with Java's RSA/ECB/OAEPWithSHA-256AndMGF1Padding
var encrypted = publicKey.encrypt(bytes, 'RSA-OAEP', {
  md: md.sha256.create(),
  mgf1: {
    md: md.sha1.create()
  }
});

// decrypt data with a private key using RSAES-OAEP/SHA-256/MGF1-SHA-1
// compatible with Java's RSA/ECB/OAEPWithSHA-256AndMGF1Padding
var decrypted = privateKey.decrypt(encrypted, 'RSA-OAEP', {
  md: md.sha256.create(),
  mgf1: {
    md: md.sha1.create()
  }
});

RSA-KEM

Examples

// generate an RSA key pair asynchronously (uses web workers if available)
// use workers: -1 to run a fast core estimator to optimize # of workers
rsa.generateKeyPair({bits: 2048, workers: -1}, function(err, keypair) {
  // keypair.privateKey, keypair.publicKey
});

// generate and encapsulate a 16-byte secret key
var kdf1 = new kem.kdf1(md.sha1.create());
var kem = kem.rsa.create(kdf1);
var result = kem.encrypt(keypair.publicKey, 16);
// result has 'encapsulation' and 'key'

// encrypt some bytes
var iv = random.getBytesSync(12);
var someBytes = 'hello world!';
var cipher = cipher.createCipher('AES-GCM', result.key);
cipher.start({iv: iv});
cipher.update(util.createBuffer(someBytes));
cipher.finish();
var encrypted = cipher.output.getBytes();
var tag = cipher.mode.tag.getBytes();

// send 'encrypted', 'iv', 'tag', and result.encapsulation to recipient

// decrypt encapsulated 16-byte secret key
var kdf1 = new kem.kdf1(md.sha1.create());
var kem = kem.rsa.create(kdf1);
var key = kem.decrypt(keypair.privateKey, result.encapsulation, 16);

// decrypt some bytes
var decipher = cipher.createDecipher('AES-GCM', key);
decipher.start({iv: iv, tag: tag});
decipher.update(util.createBuffer(encrypted));
var pass = decipher.finish();
// pass is false if there was a failure (eg: authentication tag didn't match)
if(pass) {
  // outputs 'hello world!'
  console.log(decipher.output.getBytes());
}

X.509

Examples

var pki = pki;

// convert a PEM-formatted public key to a node-tls public key
var publicKey = pki.publicKeyFromPem(pem);

// convert a node-tls public key to PEM-format
var pem = pki.publicKeyToPem(publicKey);

// convert an ASN.1 SubjectPublicKeyInfo to a node-tls public key
var publicKey = pki.publicKeyFromAsn1(subjectPublicKeyInfo);

// convert a node-tls public key to an ASN.1 SubjectPublicKeyInfo
var subjectPublicKeyInfo = pki.publicKeyToAsn1(publicKey);

// gets a SHA-1 RSAPublicKey fingerprint a byte buffer
pki.getPublicKeyFingerprint(key);

// gets a SHA-1 SubjectPublicKeyInfo fingerprint a byte buffer
pki.getPublicKeyFingerprint(key, {type: 'SubjectPublicKeyInfo'});

// gets a hex-encoded, colon-delimited SHA-1 RSAPublicKey public key fingerprint
pki.getPublicKeyFingerprint(key, {encoding: 'hex', delimiter: ':'});

// gets a hex-encoded, colon-delimited SHA-1 SubjectPublicKeyInfo public key fingerprint
pki.getPublicKeyFingerprint(key, {
  type: 'SubjectPublicKeyInfo',
  encoding: 'hex',
  delimiter: ':'
});

// gets a hex-encoded, colon-delimited MD5 RSAPublicKey public key fingerprint
pki.getPublicKeyFingerprint(key, {
  md: md.md5.create(),
  encoding: 'hex',
  delimiter: ':'
});

// creates a CA store
var caStore = pki.createCaStore([/* PEM-encoded cert */, ...]);

// add a certificate to the CA store
caStore.addCertificate(certObjectOrPemString);

// gets the issuer (its certificate) for the given certificate
var issuerCert = caStore.getIssuer(subjectCert);

// verifies a certificate chain against a CA store
pki.verifyCertificateChain(caStore, chain, customVerifyCallback);

// signs a certificate using the given private key
cert.sign(privateKey);

// signs a certificate using SHA-256 instead of SHA-1
cert.sign(privateKey, md.sha256.create());

// verifies an issued certificate using the certificates public key
var verified = issuer.verify(issued);

// generate a keypair and create an X.509v3 certificate
var keys = pki.rsa.generateKeyPair(2048);
var cert = pki.createCertificate();
cert.publicKey = keys.publicKey;
// alternatively set public key from a csr
//cert.publicKey = csr.publicKey;
// NOTE: serialNumber is the hex encoded value of an ASN.1 INTEGER.
// Conforming CAs should ensure serialNumber is:
// - no more than 20 octets
// - non-negative (prefix a '00' if your value starts with a '1' bit)
cert.serialNumber = '01';
cert.validity.notBefore = new Date();
cert.validity.notAfter = new Date();
cert.validity.notAfter.setFullYear(cert.validity.notBefore.getFullYear() + 1);
var attrs = [{
  name: 'commonName',
  value: 'example.org'
}, {
  name: 'countryName',
  value: 'US'
}, {
  shortName: 'ST',
  value: 'Virginia'
}, {
  name: 'localityName',
  value: 'Blacksburg'
}, {
  name: 'organizationName',
  value: 'Test'
}, {
  shortName: 'OU',
  value: 'Test'
}];
cert.setSubject(attrs);
// alternatively set subject from a csr
//cert.setSubject(csr.subject.attributes);
cert.setIssuer(attrs);
cert.setExtensions([{
  name: 'basicConstraints',
  cA: true
}, {
  name: 'keyUsage',
  keyCertSign: true,
  digitalSignature: true,
  nonRepudiation: true,
  keyEncipherment: true,
  dataEncipherment: true
}, {
  name: 'extKeyUsage',
  serverAuth: true,
  clientAuth: true,
  codeSigning: true,
  emailProtection: true,
  timeStamping: true
}, {
  name: 'nsCertType',
  client: true,
  server: true,
  email: true,
  objsign: true,
  sslCA: true,
  emailCA: true,
  objCA: true
}, {
  name: 'subjectAltName',
  altNames: [{
    type: 6, // URI
    value: 'http://example.org/webid#me'
  }, {
    type: 7, // IP
    ip: '127.0.0.1'
  }]
}, {
  name: 'subjectKeyIdentifier'
}]);
/* alternatively set extensions from a csr
var extensions = csr.getAttribute({name: 'extensionRequest'}).extensions;
// optionally add more extensions
extensions.push.apply(extensions, [{
  name: 'basicConstraints',
  cA: true
}, {
  name: 'keyUsage',
  keyCertSign: true,
  digitalSignature: true,
  nonRepudiation: true,
  keyEncipherment: true,
  dataEncipherment: true
}]);
cert.setExtensions(extensions);
*/
// self-sign certificate
cert.sign(keys.privateKey);

// convert a node-tls certificate to PEM
var pem = pki.certificateToPem(cert);

// convert a node-tls certificate from PEM
var cert = pki.certificateFromPem(pem);

// convert an ASN.1 X.509x3 object to a node-tls certificate
var cert = pki.certificateFromAsn1(obj);

// convert a node-tls certificate to an ASN.1 X.509v3 object
var asn1Cert = pki.certificateToAsn1(cert);

PKCS#5

Provides the password-based key-derivation function from [PKCS#5][].

Examples

// generate a password-based 16-byte key
// note an optional message digest can be passed as the final parameter
var salt = random.getBytesSync(128);
var derivedKey = pkcs5.pbkdf2('password', salt, numIterations, 16);

// generate key asynchronously
// note an optional message digest can be passed before the callback
pkcs5.pbkdf2('password', salt, numIterations, 16, function(err, derivedKey) {
  // do something w/derivedKey
});

PKCS#7

Provides cryptographically protected messages from [PKCS#7][].

Examples

// convert a message from PEM
var p7 = pkcs7.messageFromPem(pem);
// look at p7.recipients

// find a recipient by the issuer of a certificate
var recipient = p7.findRecipient(cert);

// decrypt
p7.decrypt(p7.recipients[0], privateKey);

// create a p7 enveloped message
var p7 = pkcs7.createEnvelopedData();

// add a recipient
var cert = pki.certificateFromPem(certPem);
p7.addRecipient(cert);

// set content
p7.content = util.createBuffer('Hello');

// encrypt
p7.encrypt();

// convert message to PEM
var pem = pkcs7.messageToPem(p7);

// create a degenerate PKCS#7 certificate container
// (CRLs not currently supported, only certificates)
var p7 = pkcs7.createSignedData();
p7.addCertificate(certOrCertPem1);
p7.addCertificate(certOrCertPem2);
var pem = pkcs7.messageToPem(p7);

// create PKCS#7 signed data with authenticatedAttributes
// attributes include: PKCS#9 content-type, message-digest, and signing-time
var p7 = pkcs7.createSignedData();
p7.content = util.createBuffer('Some content to be signed.', 'utf8');
p7.addCertificate(certOrCertPem);
p7.addSigner({
  key: privateKeyAssociatedWithCert,
  certificate: certOrCertPem,
  digestAlgorithm: pki.oids.sha256,
  authenticatedAttributes: [{
    type: pki.oids.contentType,
    value: pki.oids.data
  }, {
    type: pki.oids.messageDigest
    // value will be auto-populated at signing time
  }, {
    type: pki.oids.signingTime,
    // value can also be auto-populated at signing time
    value: new Date()
  }]
});
p7.sign();
var pem = pkcs7.messageToPem(p7);

// PKCS#7 Sign in detached mode.
// Includes the signature and certificate without the signed data.
p7.sign({detached: true});

PKCS#8

Examples

var pki = pki;

// convert a PEM-formatted private key to a node-tls private key
var privateKey = pki.privateKeyFromPem(pem);

// convert a node-tls private key to PEM-format
var pem = pki.privateKeyToPem(privateKey);

// convert an ASN.1 PrivateKeyInfo or RSAPrivateKey to a node-tls private key
var privateKey = pki.privateKeyFromAsn1(rsaPrivateKey);

// convert a node-tls private key to an ASN.1 RSAPrivateKey
var rsaPrivateKey = pki.privateKeyToAsn1(privateKey);

// wrap an RSAPrivateKey ASN.1 object in a PKCS#8 ASN.1 PrivateKeyInfo
var privateKeyInfo = pki.wrapRsaPrivateKey(rsaPrivateKey);

// convert a PKCS#8 ASN.1 PrivateKeyInfo to PEM
var pem = pki.privateKeyInfoToPem(privateKeyInfo);

// encrypts a PrivateKeyInfo using a custom password and
// outputs an EncryptedPrivateKeyInfo
var encryptedPrivateKeyInfo = pki.encryptPrivateKeyInfo(
  privateKeyInfo, 'myCustomPasswordHere', {
    algorithm: 'aes256', // 'aes128', 'aes192', 'aes256', '3des'
  });

// decrypts an ASN.1 EncryptedPrivateKeyInfo that was encrypted
// with a custom password
var privateKeyInfo = pki.decryptPrivateKeyInfo(
  encryptedPrivateKeyInfo, 'myCustomPasswordHere');

// converts an EncryptedPrivateKeyInfo to PEM
var pem = pki.encryptedPrivateKeyToPem(encryptedPrivateKeyInfo);

// converts a PEM-encoded EncryptedPrivateKeyInfo to ASN.1 format
var encryptedPrivateKeyInfo = pki.encryptedPrivateKeyFromPem(pem);

// wraps and encrypts a node-tls private key and outputs it in PEM format
var pem = pki.encryptRsaPrivateKey(privateKey, 'password');

// encrypts a node-tls private key and outputs it in PEM format using OpenSSL's
// proprietary legacy format + encapsulated PEM headers (DEK-Info)
var pem = pki.encryptRsaPrivateKey(privateKey, 'password', {legacy: true});

// decrypts a PEM-formatted, encrypted private key
var privateKey = pki.decryptRsaPrivateKey(pem, 'password');

// sets an RSA public key from a private key
var publicKey = pki.setRsaPublicKey(privateKey.n, privateKey.e);

PKCS#10

Provides certification requests or certificate signing requests (CSR) from [PKCS#10][].

Examples

// generate a key pair
var keys = pki.rsa.generateKeyPair(1024);

// create a certification request (CSR)
var csr = pki.createCertificationRequest();
csr.publicKey = keys.publicKey;
csr.setSubject([{
  name: 'commonName',
  value: 'example.org'
}, {
  name: 'countryName',
  value: 'US'
}, {
  shortName: 'ST',
  value: 'Virginia'
}, {
  name: 'localityName',
  value: 'Blacksburg'
}, {
  name: 'organizationName',
  value: 'Test'
}, {
  shortName: 'OU',
  value: 'Test'
}]);
// set (optional) attributes
csr.setAttributes([{
  name: 'challengePassword',
  value: 'password'
}, {
  name: 'unstructuredName',
  value: 'My Company, Inc.'
}, {
  name: 'extensionRequest',
  extensions: [{
    name: 'subjectAltName',
    altNames: [{
      // 2 is DNS type
      type: 2,
      value: 'test.domain.com'
    }, {
      type: 2,
      value: 'other.domain.com',
    }, {
      type: 2,
      value: 'www.domain.net'
    }]
  }]
}]);

// sign certification request
csr.sign(keys.privateKey);

// verify certification request
var verified = csr.verify();

// convert certification request to PEM-format
var pem = pki.certificationRequestToPem(csr);

// convert a node-tls certification request from PEM-format
var csr = pki.certificationRequestFromPem(pem);

// get an attribute
csr.getAttribute({name: 'challengePassword'});

// get extensions array
csr.getAttribute({name: 'extensionRequest'}).extensions;

PKCS#12

Provides the cryptographic archive file format from [PKCS#12][].

Note for Chrome/Firefox/iOS/similar users: If you have trouble importing a PKCS#12 container, try using the TripleDES algorithm. It can be passed to pkcs12.toPkcs12Asn1 using the {algorithm: '3des'} option.

Examples

// decode p12 from base64
var p12Der = util.decode64(p12b64);
// get p12 as ASN.1 object
var p12Asn1 = asn1.fromDer(p12Der);
// decrypt p12 using the password 'password'
var p12 = pkcs12.pkcs12FromAsn1(p12Asn1, 'password');
// decrypt p12 using non-strict parsing mode (resolves some ASN.1 parse errors)
var p12 = pkcs12.pkcs12FromAsn1(p12Asn1, false, 'password');
// decrypt p12 using literally no password (eg: Mac OS X/apple push)
var p12 = pkcs12.pkcs12FromAsn1(p12Asn1);
// decrypt p12 using an "empty" password (eg: OpenSSL with no password input)
var p12 = pkcs12.pkcs12FromAsn1(p12Asn1, '');
// p12.safeContents is an array of safe contents, each of
// which contains an array of safeBags

// get bags by friendlyName
var bags = p12.getBags({friendlyName: 'test'});
// bags are key'd by attribute type (here "friendlyName")
// and the key values are an array of matching objects
var cert = bags.friendlyName[0];

// get bags by localKeyId
var bags = p12.getBags({localKeyId: buffer});
// bags are key'd by attribute type (here "localKeyId")
// and the key values are an array of matching objects
var cert = bags.localKeyId[0];

// get bags by localKeyId (input in hex)
var bags = p12.getBags({localKeyIdHex: '7b59377ff142d0be4565e9ac3d396c01401cd879'});
// bags are key'd by attribute type (here "localKeyId", *not* "localKeyIdHex")
// and the key values are an array of matching objects
var cert = bags.localKeyId[0];

// get bags by type
var bags = p12.getBags({bagType: pki.oids.certBag});
// bags are key'd by bagType and each bagType key's value
// is an array of matches (in this case, certificate objects)
var cert = bags[pki.oids.certBag][0];

// get bags by friendlyName and filter on bag type
var bags = p12.getBags({
  friendlyName: 'test',
  bagType: pki.oids.certBag
});

// get key bags
var bags = p12.getBags({bagType: pki.oids.keyBag});
// get key
var bag = bags[pki.oids.keyBag][0];
var key = bag.key;
// if the key is in a format unrecognized by forge then
// bag.key will be `null`, use bag.asn1 to get the ASN.1
// representation of the key
if(bag.key === null) {
  var keyAsn1 = bag.asn1;
  // can now convert back to DER/PEM/etc for export
}

// generate a p12 using AES (default)
var p12Asn1 = pkcs12.toPkcs12Asn1(
  privateKey, certificateChain, 'password');

// generate a p12 that can be imported by Chrome/Firefox/iOS
// (requires the use of Triple DES instead of AES)
var p12Asn1 = pkcs12.toPkcs12Asn1(
  privateKey, certificateChain, 'password',
  {algorithm: '3des'});

// base64-encode p12
var p12Der = asn1.toDer(p12Asn1).getBytes();
var p12b64 = util.encode64(p12Der);

// create download link for p12
var a = document.createElement('a');
a.download = 'example.p12';
a.setAttribute('href', 'data:application/x-pkcs12;base64,' + p12b64);
a.appendChild(document.createTextNode('Download'));

ASN.1

Provides [ASN.1][] DER encoding and decoding.

Examples

var asn1 = asn1;

// create a SubjectPublicKeyInfo
var subjectPublicKeyInfo =
  asn1.create(asn1.Class.UNIVERSAL, asn1.Type.SEQUENCE, true, [
    // AlgorithmIdentifier
    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.SEQUENCE, true, [
      // algorithm
      asn1.create(asn1.Class.UNIVERSAL, asn1.Type.OID, false,
        asn1.oidToDer(pki.oids['rsaEncryption']).getBytes()),
      // parameters (null)
      asn1.create(asn1.Class.UNIVERSAL, asn1.Type.NULL, false, '')
    ]),
    // subjectPublicKey
    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.BITSTRING, false, [
      // RSAPublicKey
      asn1.create(asn1.Class.UNIVERSAL, asn1.Type.SEQUENCE, true, [
        // modulus (n)
        asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
          _bnToBytes(key.n)),
        // publicExponent (e)
        asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
          _bnToBytes(key.e))
      ])
    ])
  ]);

// serialize an ASN.1 object to DER format
var derBuffer = asn1.toDer(subjectPublicKeyInfo);

// deserialize to an ASN.1 object from a byte buffer filled with DER data
var object = asn1.fromDer(derBuffer);

// convert an OID dot-separated string to a byte buffer
var derOidBuffer = asn1.oidToDer('1.2.840.113549.1.1.5');

// convert a byte buffer with a DER-encoded OID to a dot-separated string
console.log(asn1.derToOid(derOidBuffer));
// output: 1.2.840.113549.1.1.5

// validates that an ASN.1 object matches a particular ASN.1 structure and
// captures data of interest from that structure for easy access
var publicKeyValidator = {
  name: 'SubjectPublicKeyInfo',
  tagClass: asn1.Class.UNIVERSAL,
  type: asn1.Type.SEQUENCE,
  constructed: true,
  captureAsn1: 'subjectPublicKeyInfo',
  value: [{
    name: 'SubjectPublicKeyInfo.AlgorithmIdentifier',
    tagClass: asn1.Class.UNIVERSAL,
    type: asn1.Type.SEQUENCE,
    constructed: true,
    value: [{
      name: 'AlgorithmIdentifier.algorithm',
      tagClass: asn1.Class.UNIVERSAL,
      type: asn1.Type.OID,
      constructed: false,
      capture: 'publicKeyOid'
    }]
  }, {
    // subjectPublicKey
    name: 'SubjectPublicKeyInfo.subjectPublicKey',
    tagClass: asn1.Class.UNIVERSAL,
    type: asn1.Type.BITSTRING,
    constructed: false,
    value: [{
      // RSAPublicKey
      name: 'SubjectPublicKeyInfo.subjectPublicKey.RSAPublicKey',
      tagClass: asn1.Class.UNIVERSAL,
      type: asn1.Type.SEQUENCE,
      constructed: true,
      optional: true,
      captureAsn1: 'rsaPublicKey'
    }]
  }]
};

var capture = {};
var errors = [];
if(!asn1.validate(
  publicKeyValidator, subjectPublicKeyInfo, validator, capture, errors)) {
  throw 'ASN.1 object is not a SubjectPublicKeyInfo.';
}
// capture.subjectPublicKeyInfo contains the full ASN.1 object
// capture.rsaPublicKey contains the full ASN.1 object for the RSA public key
// capture.publicKeyOid only contains the value for the OID
var oid = asn1.derToOid(capture.publicKeyOid);
if(oid !== pki.oids['rsaEncryption']) {
  throw 'Unsupported OID.';
}

// pretty print an ASN.1 object to a string for debugging purposes
asn1.prettyPrint(object);

Message Digests

SHA1

Provides [SHA-1][] message digests.

Examples

var md = md.sha1.create();
md.update('The quick brown fox jumps over the lazy dog');
console.log(md.digest().toHex());
// output: 2fd4e1c67a2d28fced849ee1bb76e7391b93eb12

SHA256

Provides [SHA-256][] message digests.

Examples

var md = md.sha256.create();
md.update('The quick brown fox jumps over the lazy dog');
console.log(md.digest().toHex());
// output: d7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592

SHA384

Provides [SHA-384][] message digests.

Examples

var md = md.sha384.create();
md.update('The quick brown fox jumps over the lazy dog');
console.log(md.digest().toHex());
// output: ca737f1014a48f4c0b6dd43cb177b0afd9e5169367544c494011e3317dbf9a509cb1e5dc1e85a941bbee3d7f2afbc9b1

SHA512

Provides [SHA-512][] message digests.

Examples

// SHA-512
var md = md.sha512.create();
md.update('The quick brown fox jumps over the lazy dog');
console.log(md.digest().toHex());
// output: 07e547d9586f6a73f73fbac0435ed76951218fb7d0c8d788a309d785436bbb642e93a252a954f23912547d1e8a3b5ed6e1bfd7097821233fa0538f3db854fee6

// SHA-512/224
var md = md.sha512.sha224.create();
md.update('The quick brown fox jumps over the lazy dog');
console.log(md.digest().toHex());
// output: 944cd2847fb54558d4775db0485a50003111c8e5daa63fe722c6aa37

// SHA-512/256
var md = md.sha512.sha256.create();
md.update('The quick brown fox jumps over the lazy dog');
console.log(md.digest().toHex());
// output: dd9d67b371519c339ed8dbd25af90e976a1eeefd4ad3d889005e532fc5bef04d

MD5

Provides [MD5][] message digests.

Examples

var md = md.md5.create();
md.update('The quick brown fox jumps over the lazy dog');
console.log(md.digest().toHex());
// output: 9e107d9d372bb6826bd81d3542a419d6

HMAC

Provides [HMAC][] w/any supported message digest algorithm.

Examples

var hmac = hmac.create();
hmac.start('sha1', 'Jefe');
hmac.update('what do ya want for nothing?');
console.log(hmac.digest().toHex());
// output: effcdf6ae5eb2fa2d27416d5f184df9c259a7c79

Utilities

Prime

Provides an API for generating large, random, probable primes.

Examples

// generate a random prime on the main JS thread
var bits = 1024;
prime.generateProbablePrime(bits, function(err, num) {
  console.log('random prime', num.toString(16));
});

// generate a random prime using Web Workers (if available, otherwise
// falls back to the main thread)
var bits = 1024;
var options = {
  algorithm: {
    name: 'PRIMEINC',
    workers: -1 // auto-optimize # of workers
  }
};
prime.generateProbablePrime(bits, options, function(err, num) {
  console.log('random prime', num.toString(16));
});

PRNG

Provides a [Fortuna][]-based cryptographically-secure pseudo-random number generator, to be used with a cryptographic function backend, e.g. [AES][]. An implementation using [AES][] as a backend is provided. An API for collecting entropy is given, though if window.crypto.getRandomValues is available, it will be used automatically.

Examples

// get some random bytes synchronously
var bytes = random.getBytesSync(32);
console.log(util.bytesToHex(bytes));

// get some random bytes asynchronously
random.getBytes(32, function(err, bytes) {
  console.log(util.bytesToHex(bytes));
});

// collect some entropy if you'd like
random.collect(someRandomBytes);
jQuery().mousemove(function(e) {
  random.collectInt(e.clientX, 16);
  random.collectInt(e.clientY, 16);
});

// specify a seed file for use with the synchronous API if you'd like
random.seedFileSync = function(needed) {
  // get 'needed' number of random bytes from somewhere
  return fetchedRandomBytes;
};

// specify a seed file for use with the asynchronous API if you'd like
random.seedFile = function(needed, callback) {
  // get the 'needed' number of random bytes from somewhere
  callback(null, fetchedRandomBytes);
});

// register the main thread to send entropy or a Web Worker to receive
// entropy on demand from the main thread
random.registerWorker(self);

// generate a new instance of a PRNG with no collected entropy
var myPrng = random.createInstance();

Tasks

Provides queuing and synchronizing tasks in a web application.

Examples

// TODO

Utilities

Provides utility functions, including byte buffer support, base64, bytes to/from hex, zlib inflate/deflate, etc.

Examples

// encode/decode base64
var encoded = util.encode64(str);
var str = util.decode64(encoded);

// encode/decode UTF-8
var encoded = util.encodeUtf8(str);
var str = util.decodeUtf8(encoded);

// bytes to/from hex
var bytes = util.hexToBytes(hex);
var hex = util.bytesToHex(bytes);

// create an empty byte buffer
var buffer = util.createBuffer();
// create a byte buffer from raw binary bytes
var buffer = util.createBuffer(input, 'raw');
// create a byte buffer from utf8 bytes
var buffer = util.createBuffer(input, 'utf8');

// get the length of the buffer in bytes
buffer.length();
// put bytes into the buffer
buffer.putBytes(bytes);
// put a 32-bit integer into the buffer
buffer.putInt32(10);
// buffer to hex
buffer.toHex();
// get a copy of the bytes in the buffer
bytes.bytes(/* count */);
// empty this buffer and get its contents
bytes.getBytes(/* count */);

// convert a forge buffer into a Node.js Buffer
// make sure you specify the encoding as 'binary'
var forgeBuffer = util.createBuffer();
var nodeBuffer = Buffer.from(forgeBuffer.getBytes(), 'binary');

// convert a Node.js Buffer into a forge buffer
// make sure you specify the encoding as 'binary'
var nodeBuffer = Buffer.from('CAFE', 'hex');
var forgeBuffer = util.createBuffer(nodeBuffer.toString('binary'));

// parse a URL
var parsed = util.parseUrl('http://example.com/foo?bar=baz');
// parsed.scheme, parsed.host, parsed.port, parsed.path, parsed.fullHost

Logging

Provides logging to a javascript console using various categories and levels of verbosity.

Examples

// TODO

LICENSE

This is a fork from node-forge project and license under LICENSE

node-tls

node-tls

Introduction

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Prime

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