org.hiylo.components.commons.encrypttools

Class Encrypt.Rsa

java.lang.Object

org.hiylo.components.commons.encrypttools.Encrypt.Rsa

Enclosing class:

Encrypt

public static class Encrypt.Rsa
extends Object

Author:

hiylo

Field Summary

Fields

Modifier and Type	Field and Description
static String	SIGN_ALGORITHMS

Constructor Summary

Constructors

Constructor and Description
Rsa()

Method Summary

Modifier and Type	Method and Description
static String	decrypt(String content, String privateKey, String charset) 解密
static byte[]	encrypt(String plainBytes, String publicKey, int reserveSize, String cipherAlgorithm) TODO plainBytes.getBytes() 需要修改
static PrivateKey	getPrivateKey(String key) 得到私钥
static RSAPublicKey	getPublicKey(String publicKey)
static String	signWithPrivateKey(String content, String privateKey, String charset) RSA签名
static String	signWithPublicKey(String content, String publicKey, String charset) RSA签名
static boolean	verify(String content, String sign, String publicKey, String charset) RSA验签名检查

Methods inherited from class java.lang.Object

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

Field Detail

SIGN_ALGORITHMS

public static final String SIGN_ALGORITHMS

See Also:

Constant Field Values

Constructor Detail

Rsa

public Rsa()

Method Detail

signWithPrivateKey

public static String signWithPrivateKey(String content,
                                        String privateKey,
                                        String charset)

RSA签名

Parameters:

content - 待签名数据

privateKey - 商户私钥

charset - 编码格式

Returns:

签名值

encrypt

public static byte[] encrypt(String plainBytes,
                             String publicKey,
                             int reserveSize,
                             String cipherAlgorithm)

TODO plainBytes.getBytes() 需要修改

Parameters:

plainBytes -

publicKey -

reserveSize -

cipherAlgorithm -

Returns:

Throws:

Exception

signWithPublicKey

public static String signWithPublicKey(String content,
                                       String publicKey,
                                       String charset)
                                throws InvalidKeySpecException,
                                       NoSuchAlgorithmException,
                                       NoSuchPaddingException,
                                       InvalidKeyException,
                                       BadPaddingException,
                                       IllegalBlockSizeException

RSA签名

Parameters:

content - 待签名数据

publicKey - 商户私钥

charset - 编码格式

Returns:

签名值

Throws:

InvalidKeySpecException

NoSuchAlgorithmException

NoSuchPaddingException

InvalidKeyException

BadPaddingException

IllegalBlockSizeException

verify

public static boolean verify(String content,
                             String sign,
                             String publicKey,
                             String charset)

RSA验签名检查

Parameters:

content - 待签名数据

sign - 签名值

publicKey - 支付宝公钥

charset - 编码格式

Returns:

布尔值

decrypt

public static String decrypt(String content,
                             String privateKey,
                             String charset)
                      throws Exception

解密

Parameters:

content - 密文

privateKey - 商户私钥

charset - 编码格式

Returns:

解密后的字符串

Throws:

Exception

getPrivateKey

public static PrivateKey getPrivateKey(String key)
                                throws Exception

得到私钥

Parameters:

key - 密钥字符串（经过base64编码）

Throws:

Exception

getPublicKey

public static RSAPublicKey getPublicKey(String publicKey)
                                 throws NoSuchAlgorithmException,
                                        InvalidKeySpecException

Throws:

NoSuchAlgorithmException

InvalidKeySpecException