本文實(shí)例講述了jQuery+C#實(shí)現(xiàn)參數(shù)RSA加密傳輸功能。分享給大家供大家參考，具體如下：
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注意：
參數(shù)傳遞的+號(hào)處理，在傳輸時(shí)會(huì)把+變成空格，不處理后端就報(bào)錯(cuò)了。
1、前端代碼
Login
注意+號(hào)的處理
2、后端代碼
重慶分公司
重慶分公司
public class IndexController : Controller
{
public ActionResult Login()
{
return View();
}
[HttpPost]
public ActionResult Login(string pwd)
{
//密鑰格式要生成pkcs#1格式的 而不是pkcs#8格式的
string privateKey = @"MIICWwIBAAKBgQCa4KHNwDX44gGmmIAtRu4gjVYtGWZzcm4t+1wjUD4dn7fMLPvuK7ai4UrfDeEJE1RPwudJw+lJ6crql8wSIg7/DbTlG3ihsCT6dT9H5B9OoeR7K9VW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";
try
{
RSACryptoServiceProvider rsaCryptoServiceProvider = CreateRsaProviderFromPrivateKey(privateKey);
//把+號(hào)，再替換回來(lái)
byte[] res = rsaCryptoServiceProvider.Decrypt(Convert.FromBase64String(pwd.Replace("%2B","+")), false);
return Content(Encoding.UTF8.GetString(res));
}
catch (Exception exception)
{
}
return Content("");
}
private RSACryptoServiceProvider CreateRsaProviderFromPrivateKey(string privateKey)
{
var privateKeyBits = System.Convert.FromBase64String(privateKey);
var RSA = new RSACryptoServiceProvider();
var RSAparams = new RSAParameters();
using (BinaryReader binr = new BinaryReader(new MemoryStream(privateKeyBits)))
{
byte bt = 0;
ushort twobytes = 0;
twobytes = binr.ReadUInt16();
if (twobytes == 0x8130)
binr.ReadByte();
else if (twobytes == 0x8230)
binr.ReadInt16();
else
throw new Exception("Unexpected value read binr.ReadUInt16()");
twobytes = binr.ReadUInt16();
if (twobytes != 0x0102)
throw new Exception("Unexpected version");
bt = binr.ReadByte();
if (bt != 0x00)
throw new Exception("Unexpected value read binr.ReadByte()");
RSAparams.Modulus = binr.ReadBytes(GetIntegerSize(binr));
RSAparams.Exponent = binr.ReadBytes(GetIntegerSize(binr));
RSAparams.D = binr.ReadBytes(GetIntegerSize(binr));
RSAparams.P = binr.ReadBytes(GetIntegerSize(binr));
RSAparams.Q = binr.ReadBytes(GetIntegerSize(binr));
RSAparams.DP = binr.ReadBytes(GetIntegerSize(binr));
RSAparams.DQ = binr.ReadBytes(GetIntegerSize(binr));
RSAparams.InverseQ = binr.ReadBytes(GetIntegerSize(binr));
}
RSA.ImportParameters(RSAparams);
return RSA;
}
private int GetIntegerSize(BinaryReader binr)
{
byte bt = 0;
byte lowbyte = 0x00;
byte highbyte = 0x00;
int count = 0;
bt = binr.ReadByte();
if (bt != 0x02)
return 0;
bt = binr.ReadByte();
if (bt == 0x81)
count = binr.ReadByte();
else
if (bt == 0x82)
{
highbyte = binr.ReadByte();
lowbyte = binr.ReadByte();
byte[] modint = { lowbyte, highbyte, 0x00, 0x00 };
count = BitConverter.ToInt32(modint, 0);
}
else
{
count = bt;
}
while (binr.ReadByte() == 0x00)
{
count -= 1;
}
binr.BaseStream.Seek(-1, SeekOrigin.Current);
return count;
}
}
附：jsencrypt.min.js點(diǎn)擊此處本站下載。
PS：關(guān)于加密解密感興趣的朋友還可以參考本站在線(xiàn)工具：
MD5在線(xiàn)加密工具:
http://tools.jb51.net/password/CreateMD5Password
迅雷、快車(chē)、旋風(fēng)URL加密/解密工具:
http://tools.jb51.net/password/urlrethunder
在線(xiàn)散列/哈希算法加密工具:
http://tools.jb51.net/password/hash_encrypt
在線(xiàn)MD5/hash/SHA-1/SHA-2/SHA-256/SHA-512/SHA-3/RIPEMD-160加密工具：
http://tools.jb51.net/password/hash_md5_sha
在線(xiàn)sha1/sha224/sha256/sha384/sha512加密工具：
http://tools.jb51.net/password/sha_encode
更多關(guān)于jQuery相關(guān)內(nèi)容感興趣的讀者可查看本站專(zhuān)題：《jQuery常用插件及用法總結(jié)》、《jQuery擴(kuò)展技巧總結(jié)》、《jQuery切換特效與技巧總結(jié)》、《jQuery遍歷算法與技巧總結(jié)》、《jQuery常見(jiàn)經(jīng)典特效匯總》、《jQuery動(dòng)畫(huà)與特效用法總結(jié)》及《jquery選擇器用法總結(jié)》
希望本文所述對(duì)大家jQuery程序設(shè)計(jì)有所幫助。
