cn.tdchain.cipher

类 Cipher

java.lang.Object

cn.tdchain.cipher.Cipher

public class Cipher
extends Object

Description: 密钥类，封装AES、RSA、sha256、sm2、sm3、sm4算法。typer=Typer.RSA默认使用RSA体系密钥算法，typer=Typer.SM是国密体系密钥算法。

作者:

xiaoming 2019年4月18日

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	Cipher.Type Description: 密钥类型 SM表示是国密/RSA表示RSA、sha256、aes

构造器概要

构造器

构造器和说明
Cipher()

方法概要

限定符和类型	方法和说明
String	decrypt(String data, String passwd) Description: 单向解密
String	decryptByPrivateKey(String data, PrivateKey privateKey) Description: 根据私钥解密
String	decryptByPrivateKey(String data, String privateKey)
String	encrypt(String data, String passwd) Description: 单向加密
String	encryptByPublicKey(String data, PublicKey publicKey)
String	encryptByPublicKey(String data, String publicKey) Description: 根据公钥加密
Key	generateKey() Description: 非key store方式获取公私钥
void	generateKeyStoreFile(String path, String password, String alias) Description: 生成Key Store 文件
PrivateKey	getPrivateKeyByKeyStore(String path, String storePass, String alias)
String	getPrivateKeyStringByKeyStore(KeyStore keyStore, String ksPasswd, String alias) Description: 从key store上获取私钥的字符串形式
PublicKey	getPublicKey(String publicKey) Description: 江字符串转换成
PublicKey	getPublicKeyByCert(String certPath)
PublicKey	getPublicKeyByStore(String ksPath, String ksPass, String alias)
String	getPublicKeyStringByCert(String certPath) Description: 从公钥证书上获取公钥的字符串形式
String	getPublicKeyStringByStore(KeyStore keyStore, String ksPass, String alias) Description: 从key store上获取公钥的字符串形式
String	hash(String text) Description: 摘要算法
Key	newKeyInstall()
void	setType(Cipher.Type type) Description: 设置密码算法体系 默认采用RSA
String	signByPrivateKey(String data, PrivateKey privateKey) Description: 私钥签名
String	signByPrivateKey(String data, String privateKeyStr)
boolean	verifyByPublicKey(String data, String sin_data, PublicKey publicKey)
boolean	verifyByPublicKey(String data, String signature, String publickey) Description: 公钥验签

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

Cipher

public Cipher()

方法详细资料

generateKeyStoreFile

public void generateKeyStoreFile(String path,
                                 String password,
                                 String alias)

Description: 生成Key Store 文件

参数:

path -

password -

alias -

generateKey

public Key generateKey()

Description: 非key store方式获取公私钥

返回:

Key

getPublicKey

public PublicKey getPublicKey(String publicKey)

Description: 江字符串转换成

参数:

publicKey -

返回:

PublicKey

hash

public String hash(String text)

Description: 摘要算法

参数:

text -

返回:

String

encrypt

public String encrypt(String data,
                      String passwd)

Description: 单向加密

参数:

data -

passwd -

返回:

String

decrypt

public String decrypt(String data,
                      String passwd)

Description: 单向解密

参数:

data -

passwd -

返回:

String

encryptByPublicKey

public String encryptByPublicKey(String data,
                                 String publicKey)

Description: 根据公钥加密

参数:

data -

publicKey -

返回:

String

encryptByPublicKey

public String encryptByPublicKey(String data,
                                 PublicKey publicKey)

参数:

data -

publicKey -

返回:

String

decryptByPrivateKey

public String decryptByPrivateKey(String data,
                                  PrivateKey privateKey)

Description: 根据私钥解密

参数:

data -

privateKey -

返回:

String

decryptByPrivateKey

public String decryptByPrivateKey(String data,
                                  String privateKey)

参数:

data -

privateKey -

返回:

String

signByPrivateKey

public String signByPrivateKey(String data,
                               PrivateKey privateKey)

Description: 私钥签名

参数:

data -

privateKey -

返回:

String

signByPrivateKey

public String signByPrivateKey(String data,
                               String privateKeyStr)

verifyByPublicKey

public boolean verifyByPublicKey(String data,
                                 String signature,
                                 String publickey)

Description: 公钥验签

参数:

data -

signature -

publickey -

返回:

boolean

verifyByPublicKey

public boolean verifyByPublicKey(String data,
                                 String sin_data,
                                 PublicKey publicKey)

参数:

data -

sin_data -

publicKey -

返回:

boolean

getPublicKeyStringByCert

public String getPublicKeyStringByCert(String certPath)
                                throws Exception

Description: 从公钥证书上获取公钥的字符串形式

参数:

certPath -

返回:

String

抛出:

Exception

getPublicKeyByCert

public PublicKey getPublicKeyByCert(String certPath)
                             throws Exception

参数:

certPath -

返回:

PublicKey

抛出:

Exception

getPublicKeyStringByStore

public String getPublicKeyStringByStore(KeyStore keyStore,
                                        String ksPass,
                                        String alias)
                                 throws Exception

Description: 从key store上获取公钥的字符串形式

参数:

keyStore -

ksPass -

alias -

返回:

String

抛出:

Exception

getPublicKeyByStore

public PublicKey getPublicKeyByStore(String ksPath,
                                     String ksPass,
                                     String alias)
                              throws Exception

参数:

ksPath -

ksPass -

alias -

返回:

PublicKey

抛出:

Exception

getPrivateKeyStringByKeyStore

public String getPrivateKeyStringByKeyStore(KeyStore keyStore,
                                            String ksPasswd,
                                            String alias)
                                     throws Exception

Description: 从key store上获取私钥的字符串形式

参数:

keyStore -

ksPasswd -

alias -

返回:

String

抛出:

Exception

getPrivateKeyByKeyStore

public PrivateKey getPrivateKeyByKeyStore(String path,
                                          String storePass,
                                          String alias)
                                   throws Exception

抛出:

Exception

setType

public void setType(Cipher.Type type)

Description: 设置密码算法体系 默认采用RSA

参数:

type -

newKeyInstall

public Key newKeyInstall()