private byte[] decrypt3DES(byte[] globalSalt, string masterPwd, byte[] entrySalt, byte[] cipherT)
{
try
{
SHA1 sHA = SHA1.Create("sha1");
byte[] array = sHA.ComputeHash(globalSalt);
Array.Resize(ref array, 40);
Array.Copy(entrySalt, 0, array, 20, 20);
byte[] array2 = null;
Array.Resize(ref array2, 40);
Array.Copy(entrySalt, 0, array2, 20, 20);
byte[] key = sHA.ComputeHash(array);
HMAC hMAC = HMAC.Create();
hMAC.Key = key;
byte[] array3 = hMAC.ComputeHash(array2);
Array.Resize(ref array2, 20);
byte[] array4 = hMAC.ComputeHash(array2);
Array.Resize(ref array4, 40);
Array.Copy(entrySalt, 0, array4, 20, 20);
byte[] sourceArray = hMAC.ComputeHash(array4);
Array.Resize(ref array3, 40);
Array.Copy(sourceArray, 0, array3, 20, 20);
byte[] iv = array3.Skip(array3.Length - 8).ToArray();
byte[] key2 = array3.Take(24).ToArray();
return(TripleDESHelper.DESCBCDecryptorByte(key2, iv, cipherT).Take(24).ToArray());
}
catch (Exception item)
{
Program.Errors.Add(item);
return(null);
}
}
public byte[] CheckKey4DB(string dir, string masterPwd, bool Verbose)
{
try
{
Asn1Der asn1Der = new Asn1Der();
byte[] item = new byte[0];
byte[] item2 = new byte[0];
byte[] item3 = new byte[0];
byte[] item4 = new byte[0];
string query = "SELECT item1,item2 FROM metadata WHERE id = 'password'";
if (Verbose)
{
}
GetItemsFromQuery(dir, ref item2, ref item, query);
Asn1DerObject asn1DerObject = asn1Der.Parse(item);
MozillaPBE mozillaPBE = new MozillaPBE(item2, Encoding.ASCII.GetBytes(""), asn1DerObject.objects[0].objects[0].objects[1].objects[0].Data);
mozillaPBE.Compute();
string text = TripleDESHelper.DESCBCDecryptor(mozillaPBE.Key, mozillaPBE.IV, asn1DerObject.objects[0].objects[1].Data);
if (!text.StartsWith("password-check"))
{
return(null);
}
query = "SELECT a11,a102 FROM nssPrivate";
GetItemsFromQuery(dir, ref item3, ref item4, query);
Asn1DerObject asn1DerObject2 = asn1Der.Parse(item3);
byte[] data = asn1DerObject2.objects[0].objects[0].objects[1].objects[0].Data;
byte[] data2 = asn1DerObject2.objects[0].objects[1].Data;
if (Verbose)
{
}
return(decrypt3DES(item2, masterPwd, data, data2));
}
catch (Exception item5)
{
Program.Errors.Add(item5);
return(null);
}
}
public byte[] CheckKey3DB(string filePath, string MasterPwd, bool Verbose)
{
try
{
Converts converts = new Converts();
Asn1Der asn1Der = new Asn1Der();
BerkeleyDB berkeleyDB = new BerkeleyDB(Path.Combine(filePath, "key3.db"));
if (Verbose)
{
}
PasswordCheck passwordCheck = new PasswordCheck(berkeleyDB.Keys.Where(delegate(KeyValuePair <string, string> p)
{
KeyValuePair <string, string> keyValuePair6 = p;
return(keyValuePair6.Key.Equals("password-check"));
}).Select(delegate(KeyValuePair <string, string> p)
{
KeyValuePair <string, string> keyValuePair5 = p;
return(keyValuePair5.Value);
}).FirstOrDefault()
.Replace("-", ""));
string hexString = berkeleyDB.Keys.Where(delegate(KeyValuePair <string, string> p)
{
KeyValuePair <string, string> keyValuePair4 = p;
return(keyValuePair4.Key.Equals("global-salt"));
}).Select(delegate(KeyValuePair <string, string> p)
{
KeyValuePair <string, string> keyValuePair3 = p;
return(keyValuePair3.Value);
}).FirstOrDefault()
.Replace("-", "");
if (Verbose)
{
}
MozillaPBE mozillaPBE = new MozillaPBE(converts.ConvertHexStringToByteArray(hexString), Encoding.ASCII.GetBytes(MasterPwd), converts.ConvertHexStringToByteArray(passwordCheck.EntrySalt));
mozillaPBE.Compute();
string text = TripleDESHelper.DESCBCDecryptor(mozillaPBE.Key, mozillaPBE.IV, converts.ConvertHexStringToByteArray(passwordCheck.Passwordcheck));
if (!text.StartsWith("password-check"))
{
return(null);
}
string hexString2 = berkeleyDB.Keys.Where(delegate(KeyValuePair <string, string> p)
{
KeyValuePair <string, string> keyValuePair2 = p;
int result;
if (!keyValuePair2.Key.Equals("global-salt"))
{
keyValuePair2 = p;
if (!keyValuePair2.Key.Equals("Version"))
{
keyValuePair2 = p;
result = ((!keyValuePair2.Key.Equals("password-check")) ? 1 : 0);
goto IL_0043;
}
}
result = 0;
goto IL_0043;
IL_0043:
return((byte)result != 0);
}).Select(delegate(KeyValuePair <string, string> p)
{
KeyValuePair <string, string> keyValuePair = p;
return(keyValuePair.Value);
}).FirstOrDefault()
.Replace("-", "");
Asn1DerObject asn1DerObject = asn1Der.Parse(converts.ConvertHexStringToByteArray(hexString2));
MozillaPBE mozillaPBE2 = new MozillaPBE(converts.ConvertHexStringToByteArray(hexString), Encoding.ASCII.GetBytes(MasterPwd), asn1DerObject.objects[0].objects[0].objects[1].objects[0].Data);
mozillaPBE2.Compute();
byte[] dataToParse = TripleDESHelper.DESCBCDecryptorByte(mozillaPBE2.Key, mozillaPBE2.IV, asn1DerObject.objects[0].objects[1].Data);
Asn1DerObject asn1DerObject2 = asn1Der.Parse(dataToParse);
Asn1DerObject asn1DerObject3 = asn1Der.Parse(asn1DerObject2.objects[0].objects[2].Data);
byte[] array = new byte[24];
if (asn1DerObject3.objects[0].objects[3].Data.Length > 24)
{
Array.Copy(asn1DerObject3.objects[0].objects[3].Data, asn1DerObject3.objects[0].objects[3].Data.Length - 24, array, 0, 24);
}
else
{
array = asn1DerObject3.objects[0].objects[3].Data;
}
return(array);
}
catch (Exception item)
{
Program.Errors.Add(item);
return(null);
}
}
