com.centit.support.security

Class AESSecurityUtils

java.lang.Object

com.centit.support.security.AESSecurityUtils

public abstract class AESSecurityUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	AES_CIPHER_TYPE
static String	AES_CIPHER_TYPE_CBC
static String	AES_DEFAULT_KEY
static String	AES_IV_PARAMETER_SPEC
static String	AES_SECRET_KEY_SPEC
protected static org.slf4j.Logger	logger

Constructor Summary

Constructors

Constructor and Description
AESSecurityUtils()

Method Summary

Modifier and Type	Method and Description
static Cipher	createCbcDencryptCipher(byte[] key, byte[] iv)
static Cipher	createCbcEncryptCipher(byte[] key, byte[] iv)
static Cipher	createDencryptCipher(String keyValue)
static Cipher	createEncryptCipher(String keyValue)
static byte[]	decrypt(byte[] arrB, String keyValue) 解密字节数组
static byte[]	decryptAsCBCType(byte[] bytes, String keyValue, String ivParameter)
static String	decryptAsCBCType(String str, String keyValue, String ivParameter)
static String	decryptBase64String(String str, String keyValue) 用base64解码再用Aes解密
static String	decryptBase64String(String str, String keyValue, String charsetName)
static byte[]	encrypt(byte[] arrB, String keyValue) 加密字节数组
static String	encryptAndBase64(String str, String keyValue) 用Aes加密再用base64编码
static String	encryptAndBase64(String str, String keyValue, String charsetName)
static byte[]	encryptAsCBCType(byte[] bytes, String keyValue, String ivParameter)
static String	encryptAsCBCType(String str, String keyValue, String ivParameter)

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static final org.slf4j.Logger logger

AES_DEFAULT_KEY

public static final String AES_DEFAULT_KEY

See Also:

Constant Field Values

AES_CIPHER_TYPE

public static final String AES_CIPHER_TYPE

See Also:

Constant Field Values

AES_CIPHER_TYPE_CBC

public static final String AES_CIPHER_TYPE_CBC

See Also:

Constant Field Values

AES_SECRET_KEY_SPEC

public static final String AES_SECRET_KEY_SPEC

See Also:

Constant Field Values

AES_IV_PARAMETER_SPEC

public static final String AES_IV_PARAMETER_SPEC

See Also:

Constant Field Values

Constructor Detail

AESSecurityUtils

public AESSecurityUtils()

Method Detail

createEncryptCipher

public static Cipher createEncryptCipher(String keyValue)
                                  throws GeneralSecurityException

Throws:

GeneralSecurityException

createDencryptCipher

public static Cipher createDencryptCipher(String keyValue)
                                   throws GeneralSecurityException

Throws:

GeneralSecurityException

createCbcDencryptCipher

public static Cipher createCbcDencryptCipher(byte[] key,
                                             byte[] iv)
                                      throws InvalidKeyException,
                                             InvalidAlgorithmParameterException,
                                             NoSuchAlgorithmException,
                                             NoSuchPaddingException

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

NoSuchAlgorithmException

NoSuchPaddingException

createCbcEncryptCipher

public static Cipher createCbcEncryptCipher(byte[] key,
                                            byte[] iv)
                                     throws InvalidKeyException,
                                            InvalidAlgorithmParameterException,
                                            NoSuchAlgorithmException,
                                            NoSuchPaddingException

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

NoSuchAlgorithmException

NoSuchPaddingException

encrypt

public static byte[] encrypt(byte[] arrB,
                             String keyValue)
                      throws GeneralSecurityException

加密字节数组

Parameters:

arrB - 需加密的字节数组

keyValue - 密码

Returns:

加密后的字节数组

Throws:

GeneralSecurityException - 父类抛出的异常

decrypt

public static byte[] decrypt(byte[] arrB,
                             String keyValue)
                      throws GeneralSecurityException

解密字节数组

Parameters:

arrB - 需解密的字节数组

keyValue - 密码

Returns:

解密后的字节数组

Throws:

GeneralSecurityException - 父类抛出的异常

encryptAndBase64

public static String encryptAndBase64(String str,
                                      String keyValue)

用Aes加密再用base64编码

Parameters:

str - 需加密的字节数组

keyValue - 密码

Returns:

密文

encryptAndBase64

public static String encryptAndBase64(String str,
                                      String keyValue,
                                      String charsetName)

decryptBase64String

public static String decryptBase64String(String str,
                                         String keyValue)

用base64解码再用Aes解密

Parameters:

str - 需解密的字节数组

keyValue - 密码

Returns:

明文

decryptBase64String

public static String decryptBase64String(String str,
                                         String keyValue,
                                         String charsetName)

encryptAsCBCType

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

decryptAsCBCType

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

encryptAsCBCType

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

decryptAsCBCType

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