求助，急求找回软件登录密码的方法!

2008-11-11 01:03:54 783 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

4、项目示例：找回密码如果用户忘记密码，则需跳到单独的找回密码页面，在该页面输入和确认新密码，并校验找回密码的合法性（通过短信验证码检查）。相对布局RelativeLayout：忘记密码的按钮与密码输入框是叠加的，且“忘记密码”与上级视图右对齐。（1）关于自动清空错误的密码重写登录页面的onRestart方法，在该方法中强制清空密码。（3）密码登录可以提供记住密码功能，而验证码的数值每次都不一样，无需也没法记住验证码；（1）密码输入框和验证码输入框的左侧标题以及输入框内部的提示语各不相同；（2）手机号与验证码组合登录；阅读详情

小弟有一套以前参与开发的应用系统很长时间没使用了，现在为了找工作又发布好了想重新看看，没想到忘了登录密码，在数据库中已找到用户表，但是密码栏是加过密的(应该是MD5加密)，请问应该如何找回密码？急啊，等着找工作呢，请大家帮帮忙!
注：该软件是一套比较大的应用管理系统，用ASP.NET平台开发，多层架构，页面后台处理也比较复杂，由于本人很长时间没做开发了所以想通过修改程序来进入系统一时半会是做不到了。

急求解决方法，50分送上了!

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iuhxq 2008-11-11

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用他的加密算法加密一个，然后放到数据库里。

mindsky 2008-11-11

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刚看了程序，原来密码用的是RSA加密算法，可逆。可以自编一个解密小程序来输出数据库中的密码，不过我几年没编程了，现在只好试试行不行了。
附上一个加密密码和相关算法，如果有兄弟能帮我先解出来小弟在此感激不尽~

密码：
163;203;19;181;155;234;5;255;67;108;11;64;224;237;19;142;48;219;47;7;214;33;186;140;29;173;176;181;1;32;110;62;228;99;194;222;80;121;45;214;42;158;66;98;103;46;84;245;6;118;30;238;136;97;79;15;185;203;219;192;39;153;58;213;28;242;152;26;67;82;155;147;126;81;71;88;7;80;75;124;0;2;54;96;95;216;220;96;226;234;162;106;20;141;123;177;29;19;150;206;152;121

相关程序：
public string EncryptPassword(string strPassword)
{
byte[] Password = new byte[strPassword.Length];
for(int i =0;i<strPassword.Length;i++)
{
Password[i] = Byte.Parse(((int)strPassword[i]).ToString());
}

RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSAParameters RSAKeyInfo = new RSAParameters();
RSAKeyInfo.Modulus = Modulus;
RSAKeyInfo.D = D;
RSAKeyInfo.DP = DP;
RSAKeyInfo.DQ = DQ;
RSAKeyInfo.Exponent = Exponent;
RSAKeyInfo.InverseQ = InverseQ;
RSAKeyInfo.P = P;
RSAKeyInfo.Q = Q;
RSA.ImportParameters(RSAKeyInfo);
byte[] EncryptedSymmetricKey = RSA.Encrypt(Password, false);

string strEncryptedPassword = "";
for(int i =0;i<EncryptedSymmetricKey.Length;i++)
{
strEncryptedPassword += EncryptedSymmetricKey[i].ToString()+";";
}

return strEncryptedPassword;
}

public string DecryptPassword(string strEncryptedPassword)
{
byte[] Password = new byte[128];
int count = 0;
int iCount = 0;
for(int i =0;i<strEncryptedPassword.Length;i++)
{
if(strEncryptedPassword[i] == ';')
{
string sub = "0";
if(count == 0)
sub = strEncryptedPassword.Substring(count,i - count);
else
sub = strEncryptedPassword.Substring(count + 1,i - count - 1);

Password[iCount] = Byte.Parse(int.Parse(sub).ToString());
iCount ++ ;
count = i;
continue;
}

}

RSAParameters RSAKeyInfo = new RSAParameters();
RSAKeyInfo.Modulus = Modulus;
RSAKeyInfo.D = D;
RSAKeyInfo.DP = DP;
RSAKeyInfo.DQ = DQ;
RSAKeyInfo.Exponent = Exponent;
RSAKeyInfo.InverseQ = InverseQ;
RSAKeyInfo.P = P;
RSAKeyInfo.Q = Q;
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSA.ImportParameters(RSAKeyInfo);
byte[] DecryptedKey = RSA.Decrypt(Password,false);

string strDecryptedPassword = "";
for(int i =0;i<DecryptedKey.Length;i++)
{
strDecryptedPassword += ((char)DecryptedKey[i]).ToString();
}

return strDecryptedPassword;
}

private byte[] Modulus = {190,162,116,209,247,197,28,65,9,5,136,71,142,15,223,122,43,74,153,152,16,222,155,218,232,42,30,156,28,93,179,6,135,2,13,127,232,12,29,202,63,148,221,205,42,115,163,59,199,151,49,213,204,230,104,56,246,197,31,217,251,253,76,95,219,154,232,165,208,123,114,87,121,157,124,113,47,117,96,26,27,171,41,247,38,220,118,139,12,77,139,130,72,249,209,216,248,253,251,179,250,198,32,49,141,92,192,185,147,31,13,214,158,116,129,131,189,66,207,112,78,96,204,186,196,99,222,111};
private byte[] Exponent = {1,0,1};
private byte[] D = {136,88,55,7,73,151,207,218,111,242,102,3,15,135,40,197,255,26,142,250,36,238,162,56,18,30,181,223,223,165,224,122,69,171,97,46,95,47,243,74,136,233,23,46,59,51,147,199,24,188,121,167,57,178,125,78,104,168,154,92,85,15,88,68,101,45,49,77,73,17,212,209,93,55,42,49,210,110,44,81,182,158,168,116,241,116,1,58,175,28,215,251,34,57,3,111,78,177,27,217,185,195,228,223,50,151,253,175,58,12,40,157,20,234,172,109,155,209,240,152,159,6,57,229,235,40,224,105};
private byte[] DP = {64,99,167,135,32,215,25,165,55,91,8,40,172,216,168,85,47,39,124,169,164,111,129,36,102,32,183,42,133,160,0,20,131,28,158,157,46,32,167,247,251,74,186,202,232,216,198,115,133,63,32,104,210,72,128,243,200,131,83,128,28,74,108,211};
private byte[] DQ = {28,110,7,70,231,255,136,193,4,0,255,87,162,243,83,15,218,232,39,94,94,77,137,105,175,7,72,88,167,122,201,120,182,166,153,146,192,186,165,89,55,251,66,242,214,243,98,211,77,196,254,55,38,229,10,192,96,33,75,216,184,82,240,105};
private byte[] InverseQ = {64,183,156,200,84,181,177,203,8,37,177,110,53,182,187,133,98,147,118,157,40,48,181,32,201,30,116,17,165,136,197,5,250,178,246,16,51,221,84,204,209,0,75,170,79,131,35,136,205,214,204,253,236,57,74,180,73,142,186,171,91,85,41,206};
private byte[] P = {246,121,82,144,91,31,146,95,174,47,39,16,244,194,193,245,203,119,161,163,41,122,234,215,70,17,146,206,98,131,162,241,166,8,140,117,183,99,130,120,29,211,98,32,143,153,29,244,62,46,134,215,6,157,35,101,136,162,251,56,197,104,217,19};
private byte[] Q = {198,0,165,27,33,135,86,176,190,181,70,233,234,220,78,167,163,17,79,88,34,182,12,126,62,97,96,147,142,68,121,82,55,150,170,254,96,60,59,244,211,226,234,116,208,227,12,52,231,36,130,67,16,70,32,8,33,143,234,18,184,196,140,181};

mindsky 2008-11-11

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刚进数据库再看了一下，发现密码是以163;203;19;181;155;234;5;255;67;108;11;64;224;237;19;142;48;219;47;7;214;33;186;140;29;173;176;181;1;32;110;62;228;99;194;222;80;121;45;214;42;158;66;98;103;46;84;245;6;118;30;238;136;97;79;15;185;203;219;192;39;153;58;213;28;242;152;26;67;82;155;147;126;81;71;88;7;80;75;124;0;2;54;96;95;216;220;96;226;234;162;106;20;141;123;177;29;19;150;206;152;121
这样的形式保存的，不知道是什么加密了。
看来只好一步步跟踪看代码了。