com.centit.support.security

类 SM4Util

java.lang.Object

com.centit.support.security.GMBaseUtil

com.centit.support.security.SM4Util

public abstract class SM4Util
extends GMBaseUtil

字段概要

字段

限定符和类型	字段和说明
static String	ALGORITHM_NAME
static String	ALGORITHM_NAME_CBC_NOPADDING
static String	ALGORITHM_NAME_CBC_PADDING
static String	ALGORITHM_NAME_ECB_NOPADDING
static String	ALGORITHM_NAME_ECB_PADDING
static int	DEFAULT_KEY_SIZE
protected static org.slf4j.Logger	logger
static String	SM4_IV_PARAMETER_SPEC
static String	SM4_SECRET_KEY_SPEC

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[]	decryptAsCBCType(byte[] bytes, byte[] keyValue, byte[] ivParameter)
static byte[]	decryptAsCBCType(byte[] bytes, String keyValue, String ivParameter)
static String	decryptBase64AsCBCType(String str, byte[] keyValue, byte[] ivParameter)
static String	decryptBase64AsCBCType(String str, String keyValue, String ivParameter)
static byte[]	decryptCbcNoPadding(byte[] key, byte[] iv, byte[] cipherText)
static byte[]	decryptCbcPadding(byte[] key, byte[] iv, byte[] cipherText)
static byte[]	decryptEcbNoPadding(byte[] key, byte[] cipherText)
static byte[]	decryptEcbPadding(byte[] key, byte[] cipherText)
static byte[]	doCBCMac(byte[] key, byte[] iv, org.bouncycastle.crypto.paddings.BlockCipherPadding padding, byte[] data)
static byte[]	doCBCMac(byte[] key, byte[] iv, byte[] data) 默认使用PKCS7Padding/PKCS5Padding填充的CBCMAC
static byte[]	doCMac(byte[] key, byte[] data)
static byte[]	doGMac(byte[] key, byte[] iv, int tagLength, byte[] data)
static byte[]	encryptAsCBCType(byte[] bytes, byte[] keyValue, byte[] ivParameter)
static byte[]	encryptAsCBCType(byte[] bytes, String keyValue, String ivParameter)
static String	encryptAsCBCTypeAsBase64(String str, byte[] keyValue, byte[] ivParameter)
static String	encryptAsCBCTypeAsBase64(String str, String keyValue, String ivParameter)
static byte[]	encryptCbcNoPadding(byte[] key, byte[] iv, byte[] data)
static byte[]	encryptCbcPadding(byte[] key, byte[] iv, byte[] data)
static byte[]	encryptEcbNoPadding(byte[] key, byte[] data)
static byte[]	encryptEcbPadding(byte[] key, byte[] data)
static Cipher	generateCbcCipher(String algorithmName, int mode, byte[] key, byte[] iv)
static Cipher	generateEcbCipher(String algorithmName, int mode, byte[] key)
static byte[]	generateKey()
static byte[]	generateKey(int keySize)

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

logger

protected static final org.slf4j.Logger logger

ALGORITHM_NAME

public static final String ALGORITHM_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

ALGORITHM_NAME_ECB_NOPADDING

public static final String ALGORITHM_NAME_ECB_NOPADDING

另请参阅:

常量字段值

ALGORITHM_NAME_CBC_PADDING

public static final String ALGORITHM_NAME_CBC_PADDING

另请参阅:

常量字段值

ALGORITHM_NAME_CBC_NOPADDING

public static final String ALGORITHM_NAME_CBC_NOPADDING

另请参阅:

常量字段值

SM4_SECRET_KEY_SPEC

public static final String SM4_SECRET_KEY_SPEC

另请参阅:

常量字段值

SM4_IV_PARAMETER_SPEC

public static final String SM4_IV_PARAMETER_SPEC

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

generateKey

public static byte[] generateKey()
                          throws NoSuchAlgorithmException,
                                 NoSuchProviderException

抛出:

NoSuchAlgorithmException

NoSuchProviderException

generateKey

public static byte[] generateKey(int keySize)
                          throws NoSuchAlgorithmException,
                                 NoSuchProviderException

抛出:

NoSuchAlgorithmException

NoSuchProviderException

encryptEcbPadding

public static byte[] encryptEcbPadding(byte[] key,
                                       byte[] data)
                                throws InvalidKeyException,
                                       NoSuchAlgorithmException,
                                       NoSuchProviderException,
                                       NoSuchPaddingException,
                                       IllegalBlockSizeException,
                                       BadPaddingException

抛出:

InvalidKeyException

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

IllegalBlockSizeException

BadPaddingException

decryptEcbPadding

public static byte[] decryptEcbPadding(byte[] key,
                                       byte[] cipherText)
                                throws IllegalBlockSizeException,
                                       BadPaddingException,
                                       InvalidKeyException,
                                       NoSuchAlgorithmException,
                                       NoSuchProviderException,
                                       NoSuchPaddingException

抛出:

IllegalBlockSizeException

BadPaddingException

InvalidKeyException

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

encryptEcbNoPadding

public static byte[] encryptEcbNoPadding(byte[] key,
                                         byte[] data)
                                  throws InvalidKeyException,
                                         NoSuchAlgorithmException,
                                         NoSuchProviderException,
                                         NoSuchPaddingException,
                                         IllegalBlockSizeException,
                                         BadPaddingException

抛出:

InvalidKeyException

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

IllegalBlockSizeException

BadPaddingException

decryptEcbNoPadding

public static byte[] decryptEcbNoPadding(byte[] key,
                                         byte[] cipherText)
                                  throws IllegalBlockSizeException,
                                         BadPaddingException,
                                         InvalidKeyException,
                                         NoSuchAlgorithmException,
                                         NoSuchProviderException,
                                         NoSuchPaddingException

抛出:

IllegalBlockSizeException

BadPaddingException

InvalidKeyException

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

encryptCbcPadding

public static byte[] encryptCbcPadding(byte[] key,
                                       byte[] iv,
                                       byte[] data)
                                throws InvalidKeyException,
                                       NoSuchAlgorithmException,
                                       NoSuchProviderException,
                                       NoSuchPaddingException,
                                       IllegalBlockSizeException,
                                       BadPaddingException,
                                       InvalidAlgorithmParameterException

抛出:

InvalidKeyException

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

IllegalBlockSizeException

BadPaddingException

InvalidAlgorithmParameterException

decryptCbcPadding

public static byte[] decryptCbcPadding(byte[] key,
                                       byte[] iv,
                                       byte[] cipherText)
                                throws IllegalBlockSizeException,
                                       BadPaddingException,
                                       InvalidKeyException,
                                       NoSuchAlgorithmException,
                                       NoSuchProviderException,
                                       NoSuchPaddingException,
                                       InvalidAlgorithmParameterException

抛出:

IllegalBlockSizeException

BadPaddingException

InvalidKeyException

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

InvalidAlgorithmParameterException

encryptCbcNoPadding

public static byte[] encryptCbcNoPadding(byte[] key,
                                         byte[] iv,
                                         byte[] data)
                                  throws InvalidKeyException,
                                         NoSuchAlgorithmException,
                                         NoSuchProviderException,
                                         NoSuchPaddingException,
                                         IllegalBlockSizeException,
                                         BadPaddingException,
                                         InvalidAlgorithmParameterException

抛出:

InvalidKeyException

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

IllegalBlockSizeException

BadPaddingException

InvalidAlgorithmParameterException

decryptCbcNoPadding

public static byte[] decryptCbcNoPadding(byte[] key,
                                         byte[] iv,
                                         byte[] cipherText)
                                  throws IllegalBlockSizeException,
                                         BadPaddingException,
                                         InvalidKeyException,
                                         NoSuchAlgorithmException,
                                         NoSuchProviderException,
                                         NoSuchPaddingException,
                                         InvalidAlgorithmParameterException

抛出:

IllegalBlockSizeException

BadPaddingException

InvalidKeyException

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

InvalidAlgorithmParameterException

doCMac

public static byte[] doCMac(byte[] key,
                            byte[] data)
                     throws NoSuchProviderException,
                            NoSuchAlgorithmException,
                            InvalidKeyException

抛出:

NoSuchProviderException

NoSuchAlgorithmException

InvalidKeyException

doGMac

public static byte[] doGMac(byte[] key,
                            byte[] iv,
                            int tagLength,
                            byte[] data)

doCBCMac

public static byte[] doCBCMac(byte[] key,
                              byte[] iv,
                              byte[] data)

默认使用PKCS7Padding/PKCS5Padding填充的CBCMAC

参数:

key - 密码

iv - iv

data - 待加密数据

返回:

byte[]

doCBCMac

public static byte[] doCBCMac(byte[] key,
                              byte[] iv,
                              org.bouncycastle.crypto.paddings.BlockCipherPadding padding,
                              byte[] data)
                       throws Exception

参数:

key - 密码

iv - iv

padding - 可以传null，传null表示NoPadding，由调用方保证数据必须是BlockSize的整数倍

data - 待加密数据

返回:

byte[]

抛出:

Exception - 异常

generateEcbCipher

public static Cipher generateEcbCipher(String algorithmName,
                                       int mode,
                                       byte[] key)
                                throws NoSuchAlgorithmException,
                                       NoSuchProviderException,
                                       NoSuchPaddingException,
                                       InvalidKeyException

抛出:

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

InvalidKeyException

generateCbcCipher

public static Cipher generateCbcCipher(String algorithmName,
                                       int mode,
                                       byte[] key,
                                       byte[] iv)
                                throws InvalidKeyException,
                                       InvalidAlgorithmParameterException,
                                       NoSuchAlgorithmException,
                                       NoSuchProviderException,
                                       NoSuchPaddingException

抛出:

InvalidKeyException

InvalidAlgorithmParameterException

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

encryptAsCBCTypeAsBase64

public static String encryptAsCBCTypeAsBase64(String str,
                                              byte[] keyValue,
                                              byte[] ivParameter)

encryptAsCBCTypeAsBase64

public static String encryptAsCBCTypeAsBase64(String str,
                                              String keyValue,
                                              String ivParameter)

decryptBase64AsCBCType

public static String decryptBase64AsCBCType(String str,
                                            byte[] keyValue,
                                            byte[] ivParameter)

decryptBase64AsCBCType

public static String decryptBase64AsCBCType(String str,
                                            String keyValue,
                                            String ivParameter)

encryptAsCBCType

public static byte[] encryptAsCBCType(byte[] bytes,
                                      byte[] keyValue,
                                      byte[] ivParameter)

encryptAsCBCType

public static byte[] encryptAsCBCType(byte[] bytes,
                                      String keyValue,
                                      String ivParameter)

decryptAsCBCType

public static byte[] decryptAsCBCType(byte[] bytes,
                                      byte[] keyValue,
                                      byte[] ivParameter)

decryptAsCBCType

public static byte[] decryptAsCBCType(byte[] bytes,
                                      String keyValue,
                                      String ivParameter)