Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'browserify-aes' 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.
_handleNotify(event) {
const value = Buffer.from(event.target.value.buffer);
if (event.target.uuid === this.char.auth.uuid) {
const cmd = value.slice(0,3).toString('hex');
if (cmd === '100101') { // Set New Key OK
this.authReqRandomKey()
} else if (cmd === '100201') { // Req Random Number OK
let rdn = value.slice(3)
let cipher = crypto.createCipheriv('aes-128-ecb', this.key, '').setAutoPadding(false)
let encrypted = Buffer.concat([cipher.update(rdn), cipher.final()])
this.authSendEncKey(encrypted)
} else if (cmd === '100301') {
debug('Authenticated')
this.emit('authenticated')
} else if (cmd === '100104') { // Set New Key FAIL
this.emit('error', 'Key Sending failed')
} else if (cmd === '100204') { // Req Random Number FAIL
this.emit('error', 'Key Sending failed')
} else if (cmd === '100304') {
debug('Encryption Key Auth Fail, sending new key...')
this.authSendNewKey(this.key)
} else {
debug('Unhandled auth rsp:', value);
}
//----------- yz-fix add
if(match2&&match2[1]===match2[3]){// add
match2.pop()
}else{
match2=null
}
//------------
decrypted = new Buffer(match2[2].replace(/[\r\n]/g, ''), 'base64')
} else {
var suite = 'aes' + match[1]
var iv = new Buffer(match[2], 'hex')
var cipherText = new Buffer(match[3].replace(/[\r\n]/g, ''), 'base64')
var cipherKey = evp(password, iv.slice(0, 8), parseInt(match[1], 10)).key
var out = []
var cipher = ciphers.createDecipheriv(suite, cipherKey, iv)
out.push(cipher.update(cipherText))
out.push(cipher.final())
decrypted = Buffer.concat(out)
}
var tag = key.match(startRegex)[1]
return {
tag: tag,
data: decrypted
}
}
var passFactor
if (hasLotSeq) {
var hashTarget = Buffer.concat([preFactor, ownerEntropy])
passFactor = hash256(hashTarget)
} else {
passFactor = preFactor
}
var passInt = BigInteger.fromBuffer(passFactor)
var passPoint = curve.G.multiply(passInt).getEncoded(true)
var seedBPass = scrypt(passPoint, Buffer.concat([addressHash, ownerEntropy]), 1024, 1, 1, 64)
var derivedHalf1 = seedBPass.slice(0, 32)
var derivedHalf2 = seedBPass.slice(32, 64)
var decipher = aes.createDecipheriv('aes-256-ecb', derivedHalf2, Buffer.alloc(0))
decipher.setAutoPadding(false)
decipher.end(encryptedPart2)
var decryptedPart2 = decipher.read()
var tmp = xor(decryptedPart2, derivedHalf1.slice(16, 32))
var seedBPart2 = tmp.slice(8, 16)
var decipher2 = aes.createDecipheriv('aes-256-ecb', derivedHalf2, Buffer.alloc(0))
decipher2.setAutoPadding(false)
decipher2.write(encryptedPart1) // first 8 bytes
decipher2.end(tmp.slice(0, 8)) // last 8 bytes
var seedBPart1 = xor(decipher2.read(), derivedHalf1.slice(0, 16))
var seedB = Buffer.concat([seedBPart1, seedBPart2], 24)
var factorB = BigInteger.fromBuffer(hash256(seedB))
var flagByte = buffer.readUInt8(2)
var compressed = flagByte === 0xe0
if (!compressed && flagByte !== 0xc0) throw new Error('Invalid BIP38 compression flag')
var N = scryptParams.N
var r = scryptParams.r
var p = scryptParams.p
var salt = buffer.slice(3, 7)
var scryptBuf = scrypt(passphrase, salt, N, r, p, 64, progressCallback)
var derivedHalf1 = scryptBuf.slice(0, 32)
var derivedHalf2 = scryptBuf.slice(32, 64)
var privKeyBuf = buffer.slice(7, 7 + 32)
var decipher = aes.createDecipheriv('aes-256-ecb', derivedHalf2, NULL)
decipher.setAutoPadding(false)
decipher.end(privKeyBuf)
var plainText = decipher.read()
var privateKey = xor(derivedHalf1, plainText)
// verify salt matches address
var d = BigInteger.fromBuffer(privateKey)
var address = getAddress(d, compressed)
var checksum = hash256(address).slice(0, 4)
assert.deepStrictEqual(salt, checksum)
return {
privateKey: privateKey,
compressed: compressed
}
function cryptoJsDecrypt(message, key, iv) {
assert(message, "Missing cipher text")
message = toBinaryBuffer(message)
const decipher = crypto.createDecipheriv('aes-256-cbc', key, iv)
// decipher.setAutoPadding(true)
message = Buffer.concat([decipher.update(message), decipher.final()])
return message
}
function cryptoJsEncrypt(message, key, iv) {
assert(message, "Missing plain text")
message = toBinaryBuffer(message)
const cipher = crypto.createCipheriv('aes-256-cbc', key, iv)
// cipher.setAutoPadding(true)
message = Buffer.concat([cipher.update(message), cipher.final()])
return message
}
function cryptoJsEncrypt(message, key, iv) {
assert(message, "Missing plain text")
message = toBinaryBuffer(message)
const cipher = crypto.createCipheriv('aes-256-cbc', key, iv)
// cipher.setAutoPadding(true)
message = Buffer.concat([cipher.update(message), cipher.final()])
return message
}
var d = BigInteger.fromBuffer(buffer)
var address = getAddress(d, compressed)
var secret = Buffer.from(passphrase.normalize('NFC'), 'utf8')
var salt = hash256(address).slice(0, 4)
var N = scryptParams.N
var r = scryptParams.r
var p = scryptParams.p
var scryptBuf = scrypt(secret, salt, N, r, p, 64, progressCallback)
var derivedHalf1 = scryptBuf.slice(0, 32)
var derivedHalf2 = scryptBuf.slice(32, 64)
var xorBuf = xor(derivedHalf1, buffer)
var cipher = aes.createCipheriv('aes-256-ecb', derivedHalf2, NULL)
cipher.setAutoPadding(false)
cipher.end(xorBuf)
var cipherText = cipher.read()
// 0x01 | 0x42 | flagByte | salt (4) | cipherText (32)
var result = Buffer.allocUnsafe(7 + 32)
result.writeUInt8(0x01, 0)
result.writeUInt8(0x42, 1)
result.writeUInt8(compressed ? 0xe0 : 0xc0, 2)
salt.copy(result, 3)
cipherText.copy(result, 7)
return result
}
const encryptRaw = (buffer: Buffer, compressed: boolean, passphrase: string): Buffer => {
if (buffer.length !== 32) {
throw new PrivateKeyLengthError(32, buffer.length);
}
const address = getAddressPrivate(buffer, compressed);
const secret = Buffer.from(passphrase, "utf8");
const salt = HashAlgorithms.hash256(address).slice(0, 4);
const scryptBuf = crypto.scryptSync(secret, salt, 64, SCRYPT_PARAMS);
const derivedHalf1 = scryptBuf.slice(0, 32);
const derivedHalf2 = scryptBuf.slice(32, 64);
const xorBuf = xor(derivedHalf1, buffer);
const cipher = aes.createCipheriv("aes-256-ecb", derivedHalf2, NULL);
cipher.setAutoPadding(false);
cipher.end(xorBuf);
const cipherText = cipher.read();
// 0x01 | 0x42 | flagByte | salt (4) | cipherText (32)
const result = Buffer.allocUnsafe(7 + 32);
result.writeUInt8(0x01, 0);
result.writeUInt8(0x42, 1);
result.writeUInt8(compressed ? 0xe0 : 0xc0, 2);
salt.copy(result, 3);
cipherText.copy(result, 7);
return result;
};
function decrypt (data, password) {
var salt = data.algorithm.decrypt.kde.kdeparams.salt
var iters = parseInt(data.algorithm.decrypt.kde.kdeparams.iters.toString(), 10)
var algo = aesid[data.algorithm.decrypt.cipher.algo.join('.')]
var iv = data.algorithm.decrypt.cipher.iv
var cipherText = data.subjectPrivateKey
var keylen = parseInt(algo.split('-')[1], 10) / 8
var key = compat.pbkdf2Sync(password, salt, iters, keylen)
var cipher = ciphers.createDecipheriv(algo, key, iv)
var out = []
out.push(cipher.update(cipherText))
out.push(cipher.final())
return Buffer.concat(out)
}