top.cenze.utils.crypt

类 SM4Util

java.lang.Object

top.cenze.utils.crypt.SM4Util

public class SM4Util
extends Object

SM4国密加密解密工具

作者:

chengze

字段概要

字段

限定符和类型	字段和说明
static String	ALGORIGTHM_NAME
static String	ALGORITHM_NAME_ECB_PADDING
static int	DEFAULT_KEY_SIZE
private static String	ENCODING

构造器概要

构造器

构造器和说明
SM4Util()

方法概要

限定符和类型	方法和说明
static byte[]	decrypt_Ecb_Padding(byte[] key, byte[] cipherText)
static String	decryptEcb(String hexKey, String cipherText, String charset)
static byte[]	encrypt_Ecb_Padding(byte[] key, byte[] data)
static String	encryptEcb(String hexKey, String paramStr, String charset)
private static Cipher	generateEcbCipher(String algorithmName, int mode, byte[] key)
static String	generateKey()
static String	generateKey(int keySize)
static boolean	verifyEcb(String hexKey, String cipherText, String paramStr)

从类继承的方法 java.lang.Object

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

字段详细资料

ENCODING

private static final String ENCODING

另请参阅:

常量字段值

ALGORIGTHM_NAME

public static final String ALGORIGTHM_NAME

另请参阅:

常量字段值

ALGORITHM_NAME_ECB_PADDING

public static final String ALGORITHM_NAME_ECB_PADDING

另请参阅:

常量字段值

DEFAULT_KEY_SIZE

public static final int DEFAULT_KEY_SIZE

另请参阅:

常量字段值

构造器详细资料

SM4Util

public SM4Util()

方法详细资料

generateEcbCipher

private static Cipher generateEcbCipher(String algorithmName,
                                        int mode,
                                        byte[] key)
                                 throws Exception

抛出:

Exception

generateKey

public static String generateKey()
                          throws Exception

抛出:

Exception

generateKey

public static String generateKey(int keySize)
                          throws Exception

抛出:

Exception

encryptEcb

public static String encryptEcb(String hexKey,
                                String paramStr,
                                String charset)
                         throws Exception

抛出:

Exception

encrypt_Ecb_Padding

public static byte[] encrypt_Ecb_Padding(byte[] key,
                                         byte[] data)
                                  throws Exception

抛出:

Exception

decryptEcb

public static String decryptEcb(String hexKey,
                                String cipherText,
                                String charset)
                         throws Exception

抛出:

Exception

decrypt_Ecb_Padding

public static byte[] decrypt_Ecb_Padding(byte[] key,
                                         byte[] cipherText)
                                  throws Exception

抛出:

Exception

verifyEcb

public static boolean verifyEcb(String hexKey,
                                String cipherText,
                                String paramStr)
                         throws Exception

抛出:

Exception