\u53bb\u7f51\u4e0a\u770b\u4e86\u4e00\u4e9bDZ\u7684\u6a21\u7248,,NND,,\u5374\u662fBase64\u52a0\u5bc6…\u5475\u5475..\u6709\u70b9\u4e0d\u723d…\u4e0d\u8fc7..\u8fd8\u662f\u6709\u65b9\u6cd5\u5f04\u51fa\u6765\u7684..\u77a7\u4e00\u77a7..<\/p>\n
\u4e0b\u9762\u7559\u4e0b\u65b9\u6cd5<\/p>\n
Base64\u8f6c\u6362
\u65b0\u5efa\u4e00\u4e2aWindows\u5e94\u7528\u7a0b\u5e8f\uff0c\u4e00\u4e2a\u6587\u672c\u6846\uff0c\u4e24\u4e2a\u6309\u94ae\uff1a
\/\/\u6dfb\u52a0\u4e24\u4e2aCryptoStream\uff0c\u4f46\u987a\u5e8f\u76f8\u53cd
private void btnWrite_Click(object sender, System.EventArgs e)
{
\/\/open a file for writting to
FileStream fs=new FileStream(“I:\\testfile.txt”,FileMode.Create);<\/p>\n
\/\/create a stream for converting to base64 encoding
ICryptoTransform transformEncode=new ToBase64Transform();
CryptoStream csEncode=new CryptoStream(fs,transformEncode,CryptoStreamMode.Write);<\/p>\n
\/\/create a stream for encryption
ICryptoTransform transformEncrypt=crypt.CreateEncryptor();
CryptoStream csEncrypt=new CryptoStream(csEncode,transformEncrypt,CryptoStreamMode.Write);<\/p>\n
\/\/create a text writer
StreamWriter w=new StreamWriter(csEncrypt);
w.Write(this.txtMessage.Text);<\/p>\n
w.Flush();
csEncrypt.FlushFinalBlock();<\/p>\n
w.Close();
MessageBox.Show(“\u6587\u4ef6\u521b\u5efa\u6210\u529f\uff01”);
}<\/p>\n
\/\/\u5c06\u4fe1\u606f\u8f6c\u6362\u4e3a\u539f\u6765\u7684\u5f62\u5f0f\uff0c\u7136\u540e\u518dJEM
private void btnRead_Click(object sender, System.EventArgs e)
{
\/\/open a file for reading from
FileStream fs=new FileStream(“I:\\testfile.txt”,FileMode.Open);<\/p>\n
\/\/create a stream for converting from Base64 encoding
ICryptoTransform transformDecode=new FromBase64Transform();
CryptoStream csDecode=new CryptoStream(fs,transformDecode,CryptoStreamMode.Read);<\/p>\n
\/\/create a cryptographic stream
ICryptoTransform transformDecrypt=crypt.CreateDecryptor();
CryptoStream csDecrypt=new CryptoStream(csDecode,transformDecrypt,CryptoStreamMode.Read);<\/p>\n
\/\/create a text reader
StreamReader r=new StreamReader(csDecrypt);
string text=r.ReadToEnd();
r.Close();<\/p>\n
MessageBox.Show(“Retrived:”+text);
this.txtMessage.Text=text;
} <\/p>\n","protected":false},"excerpt":{"rendered":"
\u53bb\u7f51\u4e0a\u770b\u4e86\u4e00\u4e9bDZ\u7684\u6a21\u7248,,NND,,\u5374\u662fBase64\u52a0\u5bc6…\u5475\u5475..\u6709\u70b9\u4e0d\u723d…\u4e0d\u8fc7..<\/p>\n