Top 10 Examples of "browserify-cipher in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'browserify-cipher' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
export function encryptAES128CTR(string, password, hex=false) {
const string_buffer = new Buffer(string, hex?'hex':undefined) // ethereum: new Buffer(string,'hex')
const ciphertype = 'aes-128-ctr'
const salt = randomBytes(32)
const iv = randomBytes(16)
const kdf = 'scrypt'
const kdfparams = {
dklen: 32,
salt: salt.toString('hex'),
n: 1024,
r: 8,
p: 1,
}
const derivedKey = scrypt(new Buffer(password), salt, kdfparams.n, kdfparams.r, kdfparams.p, kdfparams.dklen)
const cipher = createCipheriv(ciphertype, derivedKey.slice(0, 16), iv)
if (!cipher)
throw new Error('Unsupported cipher')
return {
ciphertext: Buffer.concat([cipher.update(string_buffer), cipher.final()]).toString('hex'),
cipherparams: {
iv: iv.toString('hex')
},
cipher: ciphertype,
kdf: kdf,
kdfparams: kdfparams
}
}kdfparams.n = options.n || 8192; // 2048 4096 8192 16384
kdfparams.r = options.r || 8;
kdfparams.p = options.p || 1;
derivedKey = scrypt(
Buffer.from(password),
Buffer.from(kdfparams.salt, 'hex'),
kdfparams.n,
kdfparams.r,
kdfparams.p,
kdfparams.dklen
);
} else {
throw new Error('Unsupported kdf');
}
const cipher = createCipheriv(options.cipher || 'aes-128-ctr', derivedKey.slice(0, 16), iv);
if (!cipher) {
throw new Error('Unsupported cipher');
}
const ciphertext = Buffer.concat([
cipher.update(Buffer.from(this.privateKey.replace('0x', ''), 'hex')),
cipher.final()
]);
const mac = keccak256(Buffer.concat([derivedKey.slice(16, 32), Buffer.from(ciphertext, 'hex')])).replace(
'0x',
''
);
return {
version: 3,salt: salt.toString('hex')
}
if (kdf === 'pbkdf2') {
kdfparams.c = opts.c || 262144
kdfparams.prf = 'hmac-sha256'
derivedKey = pbkdf2.pbkdf2Sync(new Buffer(password), salt, kdfparams.c, kdfparams.dklen, 'sha256')
} else if (kdf === 'scrypt') {
// FIXME: support progress reporting callback
kdfparams.n = opts.n || 1024
kdfparams.r = opts.r || 8
kdfparams.p = opts.p || 1
derivedKey = scrypt(new Buffer(password), salt, kdfparams.n, kdfparams.r, kdfparams.p, kdfparams.dklen)
} else {
throw new Error('Unsupported kdf')
}
var cipher = createCipheriv(opts.cipher || 'aes-128-ctr', derivedKey.slice(0, 16), iv)
if (!cipher) {
throw new Error('Unsupported cipher')
}
var ciphertext = Buffer.concat([cipher.update(value), cipher.final()])
return {
ciphertext: ciphertext.toString('hex'),
cipherparams: {
iv: iv.toString('hex')
},
cipher: opts.cipher || 'aes-128-ctr',
kdf: kdf,
kdfparams: kdfparams
}
}
function decipherBuffer(decipher, data) {kdfparams.n = options.n || 8192; // 2048 4096 8192 16384
kdfparams.r = options.r || 8;
kdfparams.p = options.p || 1;
derivedKey = scrypt(
Buffer.from(password),
Buffer.from(kdfparams.salt, 'hex'),
kdfparams.n,
kdfparams.r,
kdfparams.p,
kdfparams.dklen
);
} else {
throw new Error('Unsupported kdf');
}
const cipher = createCipheriv(options.cipher || 'aes-128-ctr', derivedKey.slice(0, 16), iv);
if (!cipher) {
throw new Error('Unsupported cipher');
}
const ciphertext = Buffer.concat([
cipher.update(Buffer.from(this.privateKey.replace('0x', ''), 'hex')),
cipher.final()
]);
const mac = keccak256(Buffer.concat([derivedKey.slice(16, 32), Buffer.from(ciphertext, 'hex')])).replace(
'0x',
''
);
return {
version: 3,t.test(cipher, function (t) {
t.plan(1)
var data = randomBytes(562)
var password = randomBytes(20)
var crypter = crypto.createCipher(cipher, password)
var decrypter = crypto.createDecipher(cipher, password)
var out = []
out.push(decrypter.update(crypter.update(data)))
out.push(decrypter.update(crypter.final()))
if (cipher.indexOf('gcm') > -1) {
decrypter.setAuthTag(crypter.getAuthTag())
}
out.push(decrypter.final())
t.equals(data.toString('hex'), Buffer.concat(out).toString('hex'))
})
})test('through crypto browserify works', function (t) {
t.plan(2)
var crypto = require('../')
var cipher = 'aes-128-ctr'
var data = randomBytes(562)
var password = randomBytes(20)
var crypter = crypto.createCipher(cipher, password)
var decrypter = crypto.createDecipher(cipher, password)
var out = []
out.push(decrypter.update(crypter.update(data)))
out.push(decrypter.update(crypter.final()))
out.push(decrypter.final())
t.equals(data.toString('hex'), Buffer.concat(out).toString('hex'))
t.ok(crypto.getCiphers().length, 'get ciphers returns an array')
})test('through crypto browserify works', function (t) {
t.plan(2)
var crypto = require('../')
var cipher = 'aes-128-ctr'
var data = randomBytes(562)
var password = randomBytes(20)
var crypter = crypto.createCipher(cipher, password)
var decrypter = crypto.createDecipher(cipher, password)
var out = []
out.push(decrypter.update(crypter.update(data)))
out.push(decrypter.update(crypter.final()))
out.push(decrypter.final())
t.equals(data.toString('hex'), Buffer.concat(out).toString('hex'))
t.ok(crypto.getCiphers().length, 'get ciphers returns an array')
})t.test(cipher, function (t) {
t.plan(1)
var data = randomBytes(562)
var password = randomBytes(20)
var crypter = crypto.createCipher(cipher, password)
var decrypter = crypto.createDecipher(cipher, password)
var out = []
out.push(decrypter.update(crypter.update(data)))
out.push(decrypter.update(crypter.final()))
if (cipher.indexOf('gcm') > -1) {
decrypter.setAuthTag(crypter.getAuthTag())
}
out.push(decrypter.final())
t.equals(data.toString('hex'), Buffer.concat(out).toString('hex'))
})
})test('through crypto browserify works', function (t) {
t.plan(2)
var crypto = require('../')
var cipher = 'aes-128-ctr'
var data = randomBytes(562)
var password = randomBytes(20)
var crypter = crypto.createCipher(cipher, password)
var decrypter = crypto.createDecipher(cipher, password)
var out = []
out.push(decrypter.update(crypter.update(data)))
out.push(decrypter.update(crypter.final()))
out.push(decrypter.final())
t.equals(data.toString('hex'), Buffer.concat(out).toString('hex'))
t.ok(crypto.getCiphers().length, 'get ciphers returns an array')
})test('ciphers', function (t) {
crypto.listCiphers().forEach(function (cipher) {
t.test(cipher, function (t) {
t.plan(1)
var data = randomBytes(562)
var password = randomBytes(20)
var crypter = crypto.createCipher(cipher, password)
var decrypter = crypto.createDecipher(cipher, password)
var out = []
out.push(decrypter.update(crypter.update(data)))
out.push(decrypter.update(crypter.final()))
if (cipher.indexOf('gcm') > -1) {
decrypter.setAuthTag(crypter.getAuthTag())
}
out.push(decrypter.final())
t.equals(data.toString('hex'), Buffer.concat(out).toString('hex'))
})
})