ltd.fdsa.core.util

Class RSAUtils

java.lang.Object

ltd.fdsa.core.util.RSAUtils

public class RSAUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RSAUtils.RSAKeyPair

Constructor Summary

Constructors

Constructor and Description
RSAUtils()

Method Summary

Modifier and Type	Method and Description
static byte[]	decryptByPrivateKey(byte[] encryptedData, String privateKey) 私钥解密
static String	decryptByPrivateKey(String text, String privateKey) 私钥解密
static byte[]	decryptByPublicKey(byte[] encryptedData, String publicKey) 公钥解密
static String	decryptByPublicKey(String text, String publicKey) 公钥解密
static byte[]	encryptByPrivateKey(byte[] data, String privateKey) 私钥加密
static String	encryptByPrivateKey(String text, String privateKey) 私钥加密
static byte[]	encryptByPublicKey(byte[] data, String publicKey) 公钥加密
static String	encryptByPublicKey(String text, String publicKey) 公钥加密
static RSAUtils.RSAKeyPair	genKeyPair() 生成公私钥密钥对
static String	sign(byte[] data, String privateKey) 用私钥对信息生成数字签名
static String	sign(String text, String privateKey) 用私钥对信息生成数字签名
static boolean	verify(byte[] data, String publicKeyString, String sign) 校验数字签名
static boolean	verify(String data, String publicKey, String sign) 校验数字签名

Methods inherited from class java.lang.Object

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

Constructor Detail

RSAUtils

public RSAUtils()

Method Detail

genKeyPair

public static RSAUtils.RSAKeyPair genKeyPair()

生成公私钥密钥对

Returns:

RSAKeyPair

decryptByPrivateKey

public static byte[] decryptByPrivateKey(byte[] encryptedData,
                                         String privateKey)

私钥解密

Parameters:

encryptedData - 已加密数据

privateKey - 私钥(BASE64编码)

Returns:

byte[]

decryptByPrivateKey

public static String decryptByPrivateKey(String text,
                                         String privateKey)

私钥解密

Parameters:

text - 密文

privateKey - 解密私钥

Returns:

String

decryptByPublicKey

public static byte[] decryptByPublicKey(byte[] encryptedData,
                                        String publicKey)

公钥解密

Parameters:

encryptedData - 已加密数据

publicKey - 公钥(BASE64编码)

Returns:

byte[]

decryptByPublicKey

public static String decryptByPublicKey(String text,
                                        String publicKey)

公钥解密

Parameters:

text - 密文

publicKey - 解密公钥

Returns:

String

encryptByPublicKey

public static byte[] encryptByPublicKey(byte[] data,
                                        String publicKey)

公钥加密

Parameters:

data - 源数据

publicKey - 公钥(BASE64编码)

Returns:

byte[]

encryptByPublicKey

public static String encryptByPublicKey(String text,
                                        String publicKey)

公钥加密

Parameters:

text - 明文

publicKey - 加密公钥

Returns:

String

encryptByPrivateKey

public static byte[] encryptByPrivateKey(byte[] data,
                                         String privateKey)

私钥加密

Parameters:

data - 源数据

privateKey - 私钥(BASE64编码)

Returns:

byte[]

encryptByPrivateKey

public static String encryptByPrivateKey(String text,
                                         String privateKey)

私钥加密

Parameters:

text - 明文

privateKey - 加密私钥

Returns:

String

sign

public static String sign(byte[] data,
                          String privateKey)

用私钥对信息生成数字签名

Parameters:

data - 已加密数据

privateKey - 私钥(BASE64编码)

Returns:

String

sign

public static String sign(String text,
                          String privateKey)

用私钥对信息生成数字签名

Parameters:

text - 已加密数据

privateKey - 私钥(BASE64编码)

Returns:

String

verify

public static boolean verify(byte[] data,
                             String publicKeyString,
                             String sign)

校验数字签名

Parameters:

data - 已加密数据

publicKeyString - 公钥(BASE64编码)

sign - 数字签名

Returns:

boolean

verify

public static boolean verify(String data,
                             String publicKey,
                             String sign)

校验数字签名

Parameters:

data - 已加密数据

publicKey - 公钥(BASE64编码)

sign - 数字签名

Returns:

boolean