function generateKeySync
Jump to headinggenerateKeySync(type: "hmac" | "aes",options: { length: number; },): KeyObjectSynchronously generates a new random secret key of the given length. The type will determine which validations will be performed on the length.
const {
generateKeySync,
} = await import('node:crypto');
const key = generateKeySync('hmac', { length: 512 });
console.log(key.export().toString('hex')); // e89..........41e
The size of a generated HMAC key should not exceed the block size of the underlying hash function. See createHmac for more information.
Parameters Jump to heading
Jump to headingtype: "hmac" | "aes"The intended use of the generated secret key. Currently accepted values are 'hmac' and 'aes'.
Jump to headingoptions: { length: number; }