public static string Encrypt(string text)
{}
解密方法
public static string Decrypt(string text)
{}
我们一般使用连接数据库加密的话,都会使用一个配置文件在配置文件中对数据库链接进行读写,通过加密方法把链接写到配置文件,然后读取的时候再使用解密方法。
我来回答吧: 不懂可以Hi,我一般都是这么做的先给你个加密和解密类
告诉你个加密 解密类。
using System
using System.IO
using System.Security.Cryptography
namespace CryptInfoNameSpace
{
class CryptInfo
{
//加密
public static string Encrypt(string text)
{
Rijndael crypt=Rijndael.Create()
byte[] key=new byte[32]{0XA6,0X7D,0XE1,0X3F,0X35,0X0E,0XE1,0XA9,0X83,0XA5,0X62,0XAA,0X7A,0XAE,0X79,0X98,
0XA7,0X33,0X49,0XFF,0XE6,0XAE,0XBF,0X8D,0X8D,0X20,0X8A,0X49,0X31,0X3A,0X12,0X40}
byte[] iv=new byte[16]{0XF8,0X8B,0X01,0XFB,0X08,0X85,0X9A,0XA4,0XBE,0X45,0X28,0X56,0X03,0X42,0XF6,0X19}
crypt.Key=key
crypt.IV=iv
MemoryStream ms=new MemoryStream()
ICryptoTransform transformEncode=new ToBase64Transform()
//Base64编码
CryptoStream csEncode=new CryptoStream(ms,transformEncode,CryptoStreamMode.Write)
CryptoStream csEncrypt=new CryptoStream(csEncode,crypt.CreateEncryptor(),CryptoStreamMode.Write)
System.Text.UTF8Encoding enc=new System.Text.UTF8Encoding()
byte[] rawData=enc.GetBytes(text)
csEncrypt.Write(rawData,0,rawData.Length)
csEncrypt.FlushFinalBlock()
byte[] encryptedData=new byte[ms.Length]
ms.Position=0
ms.Read(encryptedData,0,(int)ms.Length)
return enc.GetString(encryptedData)
}
//解密,加密解密中的 byte[] key,byte[] iv可以自行修改,加密解密的 数组值一定一致,否则无法对应加密 解密。
public static string Decrypt(string text)
{
Rijndael crypt=Rijndael.Create()
byte[] key=new byte[32]{0XA6,0X7D,0XE1,0X3F,0X35,0X0E,0XE1,0XA9,0X83,0XA5,0X62,0XAA,0X7A,0XAE,0X79,0X98,
0XA7,0X33,0X49,0XFF,0XE6,0XAE,0XBF,0X8D,0X8D,0X20,0X8A,0X49,0X31,0X3A,0X12,0X40}
byte[] iv=new byte[16]{0XF8,0X8B,0X01,0XFB,0X08,0X85,0X9A,0XA4,0XBE,0X45,0X28,0X56,0X03,0X42,0XF6,0X19}
crypt.Key=key
crypt.IV=iv
MemoryStream ms=new MemoryStream()
CryptoStream csDecrypt=new CryptoStream(ms,crypt.CreateDecryptor(),CryptoStreamMode.Write)
ICryptoTransform transformDecode=new FromBase64Transform()
CryptoStream csDecode=new CryptoStream(csDecrypt,transformDecode,CryptoStreamMode.Write)
System.Text.UTF8Encoding enc=new System.Text.UTF8Encoding()
byte[] rawData=enc.GetBytes(text)
csDecode.Write(rawData,0,rawData.Length)
csDecode.FlushFinalBlock()
byte[] decryptedData=new byte[ms.Length]
ms.Position=0
ms.Read(decryptedData,0,(int)ms.Length)
return(enc.GetString(decryptedData))
}
}
}
在项目中 引用该类,
下面个思路:
把数据连接字符串 ,经过CryptInfoNameSpace.CryptInfo.Encrypt(string text)加密后 ,写入配置文件inf 或者 配置文件txt文件。
当执行Main函数时,读取配置文件,(如果配置文件不存在,或者读取错误, 重新加密的数据库连接字符串加密后写入配置文件)。然后通过函数 CryptInfoNameSpace.CryptInfo.Decrypt(string text)方法解密成原文连接字符串,并传递给其他类使用。即可。
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