method SubtleCrypto.deriveBits SubtleCrypto.deriveBits(algorithm: | AlgorithmIdentifier | HkdfParams | Pbkdf2Params | EcdhKeyDeriveParams, baseKey: CryptoKey, length: number): Promise<ArrayBuffer> Parameters algorithm: | AlgorithmIdentifier | HkdfParams | Pbkdf2Params | EcdhKeyDeriveParams baseKey: CryptoKey length: number Return Type Promise<ArrayBuffer>