com.aliyun.oss.common.auth

类 ServiceSignature

java.lang.Object

com.aliyun.oss.common.auth.ServiceSignature

直接已知子类:

HmacSHA1Signature, HmacSHA256Signature

public abstract class ServiceSignature
extends Object

The interface to compute the signature of the data.

构造器概要

构造器

构造器和说明
ServiceSignature()

方法概要

方法

限定符和类型	方法和说明
abstract byte[]	computeHash(byte[] key, byte[] data) Computes the hash of the data by the given key.
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.
static ServiceSignature	create(String algorithm) Creates the ServiceSignature instance by the algorithm
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)

从类继承的方法 java.lang.Object

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

构造器详细资料

ServiceSignature

public ServiceSignature()

方法详细资料

getAlgorithm

public abstract String getAlgorithm()

Gets the algorithm of signature.

返回:

The algorithm of the signature.

getVersion

public abstract String getVersion()

Gets the algorithm version.

返回:

The algorithm version.

computeSignature

public abstract String computeSignature(String key,
                      String data)

Computes the signature of the data by the given key.

参数:

key - The key for the signature.

data - The data to compute the signature on.

返回:

The signature in string.

computeHash

public abstract byte[] computeHash(byte[] key,
                 byte[] data)

Computes the hash of the data by the given key.

参数:

key - The key for the signature.

data - The data to compute the hash on.

返回:

The hash in byte array.

create

public static ServiceSignature create()

Creates the default ServiceSignature instance which is HmacSHA1Signature.

返回:

The default ServiceSignature instance

create

public static ServiceSignature create(String algorithm)

Creates the ServiceSignature instance by the algorithm

返回:

The ServiceSignature instance

sign

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