top.zhogjianhao

类 SecurityUtils

java.lang.Object

top.zhogjianhao.SecurityUtils

public class SecurityUtils
extends Object

安全工具类

https://docs.oracle.com/en/java/javase/17/security/

构造器概要

构造器

构造器和说明
SecurityUtils()

方法概要

限定符和类型	方法和说明
static byte[]	desCbc(@NonNull byte[] key, @NonNull byte[] icv, @NonNull byte[] in, boolean encrypting, org.bouncycastle.crypto.paddings.BlockCipherPadding padding) DES 算法 CBC 模式加解密
static String	desCbc(@NonNull String key, @NonNull String icv, @NonNull String in, boolean encrypting, org.bouncycastle.crypto.paddings.BlockCipherPadding padding) DES 算法 CBC 模式加解密
static byte[]	desEcb(@NonNull byte[] key, @NonNull byte[] in, boolean encrypting, org.bouncycastle.crypto.paddings.BlockCipherPadding padding) DES 算法 ECB 模式加解密
static String	desEcb(@NonNull String key, @NonNull String in, boolean encrypting, org.bouncycastle.crypto.paddings.BlockCipherPadding padding) DES 算法 ECB 模式加解密

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

SecurityUtils

public SecurityUtils()

方法详细资料

desEcb

public static byte[] desEcb(@NonNull
                            @NonNull byte[] key,
                            @NonNull
                            @NonNull byte[] in,
                            boolean encrypting,
                            org.bouncycastle.crypto.paddings.BlockCipherPadding padding)
                     throws org.bouncycastle.crypto.InvalidCipherTextException

DES 算法 ECB 模式加解密

参数:

key - 8 字节密钥

in - 数据

encrypting - 是否为加密

padding - 填充类型

返回:

加解密的字节数组

抛出:

org.bouncycastle.crypto.InvalidCipherTextException - 意想不到的异常

desEcb

public static String desEcb(@NonNull
                            @NonNull String key,
                            @NonNull
                            @NonNull String in,
                            boolean encrypting,
                            org.bouncycastle.crypto.paddings.BlockCipherPadding padding)
                     throws org.bouncycastle.crypto.InvalidCipherTextException,
                            InvalidKeyException,
                            NoSuchAlgorithmException,
                            InvalidKeySpecException

DES 算法 ECB 模式加解密

参数:

key - 密钥

in - 数据

encrypting - 是否为加密

padding - 填充类型

返回:

加解密的字符串

抛出:

org.bouncycastle.crypto.InvalidCipherTextException - 意想不到的异常

InvalidKeyException - invalid Keys (invalid encoding, wrong length, uninitialized, etc)

NoSuchAlgorithmException - a particular cryptographic algorithm is requested but is not available in the environment

InvalidKeySpecException - invalid key specifications

desCbc

public static byte[] desCbc(@NonNull
                            @NonNull byte[] key,
                            @NonNull
                            @NonNull byte[] icv,
                            @NonNull
                            @NonNull byte[] in,
                            boolean encrypting,
                            org.bouncycastle.crypto.paddings.BlockCipherPadding padding)
                     throws org.bouncycastle.crypto.InvalidCipherTextException

DES 算法 CBC 模式加解密

参数:

key - 8 字节密钥

icv - 8 字节向量

in - 数据

encrypting - 是否为加密

padding - 填充类型

返回:

加解密的字节数组

抛出:

org.bouncycastle.crypto.InvalidCipherTextException - 意想不到的异常

desCbc

public static String desCbc(@NonNull
                            @NonNull String key,
                            @NonNull
                            @NonNull String icv,
                            @NonNull
                            @NonNull String in,
                            boolean encrypting,
                            org.bouncycastle.crypto.paddings.BlockCipherPadding padding)
                     throws org.bouncycastle.crypto.InvalidCipherTextException,
                            InvalidKeyException,
                            NoSuchAlgorithmException,
                            InvalidKeySpecException

DES 算法 CBC 模式加解密

参数:

key - 密钥

in - 数据

encrypting - 是否为加密

padding - 填充类型

返回:

加解密的字符串

抛出:

org.bouncycastle.crypto.InvalidCipherTextException - 意想不到的异常

InvalidKeyException - invalid Keys (invalid encoding, wrong length, uninitialized, etc)

NoSuchAlgorithmException - a particular cryptographic algorithm is requested but is not available in the environment

InvalidKeySpecException - invalid key specifications