crypto

Provides an asynchronous Argon2 implementation.

Provides a synchronous [Argon2][] implementation.

Checks the primality of the candidate.

Checks the primality of the candidate.

Creates and returns a Cipher object, with the given algorithm, key and initialization vector (iv).

Creates and returns a Decipheriv object that uses the given algorithm, key and initialization vector (iv).

Creates a DiffieHellman key exchange object using the supplied prime and an optional specific generator.

An alias for getDiffieHellman

Creates an Elliptic Curve Diffie-Hellman (ECDH) key exchange object using a predefined curve specified by the curveName string.

Creates and returns a Hash object that can be used to generate hash digests using the given algorithm.

Creates and returns an Hmac object that uses the given algorithm and key.

Creates and returns a new key object containing a private key.

Creates and returns a new key object containing a public key.

Creates and returns a new key object containing a secret key for symmetric encryption or Hmac.

Creates and returns a Sign object that uses the given algorithm.

Creates and returns a Verify object that uses the given algorithm.

Key decapsulation using a KEM algorithm with a private key.

Computes the Diffie-Hellman shared secret based on a privateKey and a publicKey.

Key encapsulation using a KEM algorithm with a public key.

Asynchronously generates a new random secret key of the given length.

Generates a new asymmetric key pair of the given type.

Generates a new asymmetric key pair of the given type.

Synchronously generates a new random secret key of the given length.

Generates a pseudorandom prime of size bits.

Generates a pseudorandom prime of size bits.

Returns information about a given cipher.

``js const { getCiphers, } = await import('node:crypto')

``js const { getCurves, } = await import('node:crypto')

Creates a predefined DiffieHellmanGroup key exchange object.

``js const { getHashes, } = await import('node:crypto')

A convenient alias for webcrypto.getRandomValues.

A utility for creating one-shot hash digests of data.

HKDF is a simple key derivation function defined in RFC 5869\.

Provides a synchronous HKDF key derivation function as defined in RFC 5869\.

Provides an asynchronous Password-Based Key Derivation Function 2 (PBKDF2) implementation.

Provides a synchronous Password-Based Key Derivation Function 2 (PBKDF2) implementation.

Decrypts buffer with privateKey.

Encrypts buffer with privateKey.

Decrypts buffer with key.buffer was previously encrypted using the corresponding private key, for example using privateEncrypt.

Encrypts the content of buffer with key and returns a new Buffer with encrypted content.

Generates cryptographically strong pseudorandom data.

This function is similar to randomBytes but requires the first argument to be a Buffer that will be filled.

Synchronous version of randomFill.

Return a random integer n such that min <= n < max.

Generates a random RFC 4122 version 4 UUID.

Generates a random RFC 9562 version 7 UUID.

Provides an asynchronous scrypt implementation.

Provides a synchronous scrypt implementation.

Load and set the engine for some or all OpenSSL functions (selected by flags).

Enables the FIPS compliant crypto provider in a FIPS-enabled Node.js build.

Calculates and returns the signature for data using the given private key and algorithm.

This function compares the underlying bytes that represent the given ArrayBuffer, TypedArray, or DataView instances using a constant-time algorithm.

Verifies the given signature for data using the given key and algorithm.

Instances of the Cipheriv class are used to encrypt data.

Instances of the Decipheriv class are used to decrypt data.

The DiffieHellman class is a utility for creating Diffie-Hellman key exchanges.

The DiffieHellmanGroup class takes a well-known modp group as its argument.

The ECDH class is a utility for creating Elliptic Curve Diffie-Hellman (ECDH) key exchanges.

The Hash class is a utility for creating hash digests of data.

The Hmac class is a utility for creating cryptographic HMAC digests.

Node.js uses a KeyObject class to represent a symmetric or asymmetric key, and each kind of key exposes different functions.

The Sign class is a utility for generating signatures.

The Verify class is a utility for verifying signatures.

Encapsulates an X509 certificate and provides read-only access to its information.

Instances of the Cipheriv class are used to encrypt data.

Instances of the Cipheriv class are used to encrypt data.

Instances of the Cipheriv class are used to encrypt data.

Instances of the Cipheriv class are used to encrypt data.

Instances of the Decipheriv class are used to decrypt data.

Instances of the Decipheriv class are used to decrypt data.

Instances of the Decipheriv class are used to decrypt data.

Instances of the Decipheriv class are used to decrypt data.

A convenient alias for crypto.webcrypto.subtle.

An implementation of the Web Crypto API standard.

An object containing commonly used constants for crypto and security related operations.

An implementation of the Web Crypto API standard.