com.aliyun.encryptionsdk

Class AliyunCrypto

java.lang.Object

com.aliyun.encryptionsdk.AliyunCrypto

public class AliyunCrypto
extends Object

EncryptionSDK的主类，所有的加/解密操作都应该通过该类中的方法开始

Constructor Summary

Constructors

Constructor and Description
AliyunCrypto(AliyunConfig config)
AliyunCrypto(AliyunConfig config, org.slf4j.Logger logger)

Method Summary

Modifier and Type	Method and Description
CryptoResult<byte[]>	decrypt(BaseDataKeyProvider provider, byte[] cipherText) 使用 BaseDataKeyProvider 获取加密使用的dataKey解密 cipherText
CryptoResult<OutputStream>	decrypt(BaseDataKeyProvider provider, InputStream inputStream, OutputStream outputStream) 读取 InputStream 内的字节数据，使用 BaseDataKeyProvider 解密后写入 OutputStream
CryptoResult<byte[]>	encrypt(BaseDataKeyProvider provider, byte[] plainText) 使用 BaseDataKeyProvider 生成dataKey加密 plaintext
CryptoResult<byte[]>	encrypt(BaseDataKeyProvider provider, byte[] plainText, Map<String,String> encryptionContext) 使用 BaseDataKeyProvider 生成dataKey加密 plaintext 加密细节由 EncryptHandler 处理
CryptoResult<OutputStream>	encrypt(BaseDataKeyProvider provider, InputStream inputStream, OutputStream outputStream) 读取 InputStream 内的字节数据，使用 BaseDataKeyProvider 加密后写入 OutputStream
CryptoResult<OutputStream>	encrypt(BaseDataKeyProvider provider, InputStream inputStream, OutputStream outputStream, Map<String,String> encryptionContext) 读取 InputStream 内的字节数据，使用 BaseDataKeyProvider 加密后写入 OutputStream
void	setConfig(AliyunConfig config)
void	setCryptoKeyManager(CryptoKeyManager cryptoKeyManager)
void	setEncryptHandler(EncryptHandler encryptHandler)
SignatureResult<byte[]>	sign(SignatureProvider provider, byte[] content, ContentType type) 使用 SignatureProvider 处理加签请求
Boolean	verify(SignatureProvider provider, byte[] content, byte[] signature, ContentType type) 使用 SignatureProvider 处理验签请求

Methods inherited from class java.lang.Object

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

Constructor Detail

AliyunCrypto

public AliyunCrypto(AliyunConfig config)

AliyunCrypto

public AliyunCrypto(AliyunConfig config,
                    org.slf4j.Logger logger)

Method Detail

setEncryptHandler

public void setEncryptHandler(EncryptHandler encryptHandler)

setConfig

public void setConfig(AliyunConfig config)

setCryptoKeyManager

public void setCryptoKeyManager(CryptoKeyManager cryptoKeyManager)

encrypt

public CryptoResult<byte[]> encrypt(BaseDataKeyProvider provider,
                                    byte[] plainText,
                                    Map<String,String> encryptionContext)

使用 BaseDataKeyProvider 生成dataKey加密 plaintext 加密细节由 EncryptHandler 处理

Parameters:

provider - 数据密钥提供

plainText - 明文

encryptionContext - 加密上下文

Returns:

加密结果

encrypt

public CryptoResult<byte[]> encrypt(BaseDataKeyProvider provider,
                                    byte[] plainText)

使用 BaseDataKeyProvider 生成dataKey加密 plaintext

decrypt

public CryptoResult<byte[]> decrypt(BaseDataKeyProvider provider,
                                    byte[] cipherText)

使用 BaseDataKeyProvider 获取加密使用的dataKey解密 cipherText

Parameters:

provider - 数据密钥提供

cipherText - 密文

Returns:

解密结果

encrypt

public CryptoResult<OutputStream> encrypt(BaseDataKeyProvider provider,
                                          InputStream inputStream,
                                          OutputStream outputStream,
                                          Map<String,String> encryptionContext)

读取 InputStream 内的字节数据，使用 BaseDataKeyProvider 加密后写入 OutputStream

Parameters:

provider - 数据密钥提供

inputStream - 待加密明文流

outputStream - 已加密密文流

encryptionContext - 加密上下文

Returns:

加密结果

encrypt

public CryptoResult<OutputStream> encrypt(BaseDataKeyProvider provider,
                                          InputStream inputStream,
                                          OutputStream outputStream)

读取 InputStream 内的字节数据，使用 BaseDataKeyProvider 加密后写入 OutputStream

decrypt

public CryptoResult<OutputStream> decrypt(BaseDataKeyProvider provider,
                                          InputStream inputStream,
                                          OutputStream outputStream)

读取 InputStream 内的字节数据，使用 BaseDataKeyProvider 解密后写入 OutputStream

Parameters:

provider - 数据密钥提供

inputStream - 加密密文流

outputStream - 明文数据流

Returns:

解密结果

sign

public SignatureResult<byte[]> sign(SignatureProvider provider,
                                    byte[] content,
                                    ContentType type)

使用 SignatureProvider 处理加签请求

Parameters:

provider - 签名提供

content - 签名内容

type - 内容类型

Returns:

签名结果

verify

public Boolean verify(SignatureProvider provider,
                      byte[] content,
                      byte[] signature,
                      ContentType type)

使用 SignatureProvider 处理验签请求

Parameters:

provider - 签名提供

content - 验签内容

signature - 签名结果

type - 内容类型

Returns:

验签结果