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涓嶈繃鍏墮棿鏌ヤ簡澶ч噺璧勬枡瀵筊SA綆楁硶鐨勭壒鎬ф湁浜嗕竴瀹氱殑浜嗚В錛屽叾涓昏闅懼害鍦ㄤ簬澶ф暟鐨勮綆楋紝榪欎釜璁＄畻鐪熶笉鏄竴鑸殑楹葷儲錛屾兂鍒拌繖閲岃寰楄嚜宸辯殑鏁板鍔熷簳澶急浜?br />鎼滀簡閭ｄ箞澶氳祫鏂欑幇鍦ㄨ繕鑳借璧鋒潵鐨勬瘮杈冨疄鐢ㄧ殑涓涓叕寮忔槸錛?span style="font-size: 12pt" lang="EN-US">NR mod D = ( ( N mod D )R ) mod D
鍦–SDN鏌愪漢鐨勫崥瀹笂鐪嬪埌鐨勶紝閲岄潰榪樻湁寰堝鎺ㄨ鍦板潃錛?a >http://blog.csdn.net/fireseed/archive/2005/03/23/327444.aspx
鍚庢潵閫夋嫨浜咲EC鍔犲瘑綆楁硶錛屼唬鐮佹潵鑷蟲煇鍗氬錛屻傚繕璁板摢閲屽紕鏉ョ殑浜嗐?br />浠ｇ爜濡備笅錛?/p>
public string JiaMi(string pToEncrypt,string KeyWord)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider(); //鎶婂瓧絎︿覆鏀懼埌byte鏁扮粍涓?/span> byte[] inputByteArray = Encoding.Default.GetBytes(pToEncrypt); //byte[] inputByteArray=Encoding.Unicode.GetBytes(pToEncrypt); des.Key = ASCIIEncoding.ASCII.GetBytes(KeyWord); //寤虹珛鍔犲瘑瀵硅薄鐨勫瘑閽ュ拰鍋忕Щ閲?/span> des.IV = ASCIIEncoding.ASCII.GetBytes(KeyWord); //鍘熸枃浣跨敤ASCIIEncoding.ASCII鏂規硶鐨凣etBytes鏂規硶 MemoryStream ms = new MemoryStream(); //浣垮緱杈撳叆瀵嗙爜蹇呴』杈撳叆鑻辨枃鏂囨湰 CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write); cs.Write(inputByteArray, 0, inputByteArray.Length); cs.FlushFinalBlock(); StringBuilder ret = new StringBuilder(); foreach (byte b in ms.ToArray())
{
ret.AppendFormat("{0:X2}", b);
} //ret.ToString(); return ret.ToString();
}//DEC 瑙ｅ瘑榪囩▼ public string JieMi(string pToDecrypt,string KeyWord) { DESCryptoServiceProvider des = new DESCryptoServiceProvider(); byte[] inputByteArray = new byte[pToDecrypt.Length / 2]; for (int x = 0; x < pToDecrypt.Length / 2; x++) { int i = (Convert.ToInt32(pToDecrypt.Substring(x * 2, 2), 16)); inputByteArray[x] = (byte)i; } des.Key = ASCIIEncoding.ASCII.GetBytes(KeyWord); //寤虹珛鍔犲瘑瀵硅薄鐨勫瘑閽ュ拰鍋忕Щ閲忥紝姝ゅ奸噸瑕侊紝涓嶈兘淇敼 des.IV = ASCIIEncoding.ASCII.GetBytes(KeyWord); MemoryStream ms = new MemoryStream(); CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write); cs.Write(inputByteArray, 0, inputByteArray.Length); cs.FlushFinalBlock(); StringBuilder ret = new StringBuilder(); //寤虹珛StringBuild瀵硅薄錛孋reateDecrypt浣跨敤鐨勬槸嫻佸璞★紝蹇呴』鎶婅В瀵嗗悗鐨勬枃鏈彉鎴愭祦瀵硅薄 return System.Text.Encoding.Default.GetString(ms.ToArray()); }//浼犺繘鏉ョ殑鍙傛暟灝辨槸浣犺鍔犲瘑鐨勯偅涓瓧絎︿覆鍜屽瘑閽?/span>
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鎼炰簡鍗婂ぉ鑷繁鐨勮紼嬭璁￠兘娌℃湁鍐欏ソ錛岃刀绱у幓鎼炲畾~~
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