FgetCipherInfo
Bun

function

crypto.getCipherInfo

function getCipherInfo(
nameOrNid: string | number,
): undefined | CipherInfo;

Returns information about a given cipher.

Some ciphers accept variable length keys and initialization vectors. By default, the crypto.getCipherInfo() method will return the default values for these ciphers. To test if a given key length or iv length is acceptable for given cipher, use the keyLength and ivLength options. If the given values are unacceptable, undefined will be returned.

@param nameOrNid

The name or nid of the cipher to query.