Interface Signature

interface Signature {
    getAlgorithm(): string;
    getParameters(): AlgorithmParameter;
    getProvider(): Provider;
    initSign(privateKey: PrivateKey): void;
    initSign(privateKey: PrivateKey, random: SecureRandom): void;
    initVerify(certificate: Certificate): void;
    initVerify(publicKey: PublicKey): void;
    setParameter(params: AlgorithmParameter): void;
    sign(): ByteArray;
    sign(input: ByteArray, offset: number, len: number): ByteArray;
    update(input: number): void;
    update(input: ByteArray): void;
    update(input: ByteArray, offset: number, len: number): void;
    verify(signature: ByteArray): boolean;
    verify(input: ByteArray, offset: number, len: number): boolean;
}