The crypto.createSign() method is used to create a Sign object that uses the stated algorithm. Moreover, you can use crypto.getHashes() method to access the names of all the available digest algorithms....

The crypto.scryptSync() is an inbuilt function which Provides a synchronous scrypt implementation in Node.js. scrypt is a password-based key derivation function. It is intended to be costly computationally plus memory-wise. So, the brute-force attacks are made unsuccessful....

Node.js is a cross-platform, open-source back-end JavaScript runtime environment that uses the V8 engine to execute JavaScript code outside of a web browser. Node.js allows developers to utilize JavaScript to create command-line tools and server-side scripting, which involves running scripts on the server before sending the page to the user’s browser. Cryptographic functionality is provided via the crypto module, which includes wrappers for OpenSSL’s hash, HMAC, cypher, decode, sign, and verify methods....

The x509.verify() is an inbuilt application programming interface of class X509Certificate within crypto module which is used to check if the certificate was signed by the given public key....

The hash.update( ) method is an inbuilt function of the crypto module’s Hash class. This is used to update the hash with given data. This method can be called multiple times to update the content of the hash as this method can take streaming data, such as file read stream....

The hmac.update() method is an inbuilt method of class HMAC within the crypto module which is used to update the data of hmac object....

The crypto.createECDH() method is an inbuilt application programming interface of crypto module which is used to create an Elliptic Curve Diffie-Hellman i.e, (ECDH) key exchange object with the help of a predefined curve which is defined by the curveName string. Moreover you can use crypto.getCurves() method in order to return the list of available curve names....

The x509.publicKey is an inbuilt application programming interface of class X509Certificate within the crypto module which is used to the public key of this certificate....

The decipher.update() method is an inbuilt application programming interface of class Decipher within crypto module which is used to update the decipher with the data according to the given encoding format....

The decipher.final() method is an inbuilt application programming interface of class Decipher within crypto module which is used to return the buffer containing the value of decipher object....

The crypto.randomFillSync() method is an inbuilt application programming interface of crypto module which is used to return the object passed as buffer argument.Syntax:...

The crypto.getCiphers() method returns an array the names of all the supported cipher algorithms....