com.aliyun.oss.common.auth

Class ServiceSignature

java.lang.Object

com.aliyun.oss.common.auth.ServiceSignature

Direct Known Subclasses:

HmacSHA1Signature, HmacSHA256Signature

public abstract class ServiceSignature
extends Object

The interface to compute the signature of the data.

Constructor Summary

Constructors

Constructor and Description
ServiceSignature()

Method Summary

Methods

Modifier and Type	Method and Description
abstract String	computeSignature(String key, String data) Computes the signature of the data by the given key.
static ServiceSignature	create() Creates the default ServiceSignature instance which is HmacSHA1Signature.
abstract String	getAlgorithm() Gets the algorithm of signature.
abstract String	getVersion() Gets the algorithm version.
protected byte[]	sign(byte[] key, byte[] data, Mac macInstance, Object lock, String algorithm)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ServiceSignature

public ServiceSignature()

Method Detail

getAlgorithm

public abstract String getAlgorithm()

Gets the algorithm of signature.

Returns:

The algorithm of the signature.

getVersion

public abstract String getVersion()

Gets the algorithm version.

Returns:

The algorithm version.

computeSignature

public abstract String computeSignature(String key,
                      String data)

Computes the signature of the data by the given key.

Parameters:

key - The key for the signature.

data - The data to compute the signature on.

Returns:

The signature in string.

create

public static ServiceSignature create()

Creates the default ServiceSignature instance which is HmacSHA1Signature.

Returns:

The default ServiceSignature instance

sign

protected byte[] sign(byte[] key,
          byte[] data,
          Mac macInstance,
          Object lock,
          String algorithm)