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Merge pull request #1108 from akiyamaneko/rc4_enhanced

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Rc4 API enhanced
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Golden Looly 2020-09-23 13:09:36 +08:00 committed by GitHub
commit 08730bac39
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2 changed files with 77 additions and 1 deletions
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46
hutool-crypto/src/main/java/cn/hutool/crypto/symmetric/RC4.java
View File

@ -11,6 +11,7 @@ import cn.hutool.core.util.CharsetUtil;
import cn.hutool.core.util.HexUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.crypto.CryptoException;
import cn.hutool.crypto.SecureUtil;
/**
* RC4加密解密算法实现<br>
@ -97,6 +98,16 @@ public class RC4 implements Serializable {
return HexUtil.encodeHexStr(encrypt(data, charset));
}
/**
* 加密，使用UTF-8编码
*
* @param data 被加密的字符串
* @return 加密后的Hex
*/
public String encryptHex(String data) {
return HexUtil.encodeHexStr(encrypt(data));
}
/**
* 加密
*
@ -109,6 +120,17 @@ public class RC4 implements Serializable {
return Base64.encode(encrypt(data, charset));
}
/**
* 加密，使用UTF-8编码
*
* @param data 被加密的字符串
* @return 加密后的Base64
*/
public String encryptBase64(String data) {
return Base64.encode(encrypt(data));
}
/**
* 解密
*
@ -132,6 +154,28 @@ public class RC4 implements Serializable {
return decrypt(message, CharsetUtil.CHARSET_UTF_8);
}
/**
* 解密Hex（16进制）或Base64表示的字符串，使用默认编码UTF-8
*
* @param message 消息
* @return 明文
*/
public String decrypt(String message) {
return decrypt(SecureUtil.decode(message));
}
/**
* 解密Hex（16进制）或Base64表示的字符串
*
* @param message 明文
* @param charset 解密后的charset
* @return 明文
*/
public String decrypt(String message, Charset charset) {
return StrUtil.str(decrypt(message), charset);
}
/**
* 加密或解密指定值，调用此方法前需初始化密钥
*
@ -216,4 +260,4 @@ public class RC4 implements Serializable {
sbox[j] = temp;
}
//----------------------------------------------------------------------------------------------------------------------- Private method end
}
}

32
hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/RC4Test.java
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@ -1,5 +1,6 @@
package cn.hutool.crypto.test.symmetric;
import cn.hutool.core.util.CharsetUtil;
import org.junit.Assert;
import org.junit.Test;
@ -36,4 +37,35 @@ public class RC4Test {
String msg2 = rc4.decrypt(crypt2);
Assert.assertEquals(message2, msg2);
}
@Test
public void testDecryptWithHexMessage() {
String message = "这是第一个用来测试密文为十六进制字符串的消息！";
String key = "生成一个密钥";
RC4 rc4 = new RC4(key);
String encryptHex = rc4.encryptHex(message, CharsetUtil.CHARSET_UTF_8);
String msg = rc4.decrypt(encryptHex);
Assert.assertEquals(message, msg);
String message2 = "这是第二个用来测试密文为十六进制字符串的消息！";
String encryptHex2 = rc4.encryptHex(message2);
String msg2 = rc4.decrypt(encryptHex2);
Assert.assertEquals(message2, msg2);
}
@Test
public void testDecryptWithBase64Message() {
String message = "这是第一个用来测试密文为Base64编码的消息！";
String key = "生成一个密钥";
RC4 rc4 = new RC4(key);
String encryptHex = rc4.encryptBase64(message, CharsetUtil.CHARSET_UTF_8);
String msg = rc4.decrypt(encryptHex);
Assert.assertEquals(message, msg);
String message2 = "这是第一个用来测试密文为Base64编码的消息！";
String encryptHex2 = rc4.encryptBase64(message2);
String msg2 = rc4.decrypt(encryptHex2);
Assert.assertEquals(message2, msg2);
}
}