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Tag filtered by:  Decryption [x]
Tip/Trick 11 May 2013   license: CPOL
LINQ based alternative for "Counting how many times a letter appears in a string"
Tip/Trick 11 May 2013   license: CPOL
Put in a string, the program counts how many times a letter of the ASCII code appears in there. Originally used as help tool regarding the Caesar cipher.
Question 30 Apr 2013   license: CPOL
Is it possible to expose session keys from the client or server side which are using Openssl libraries for debugging purposes?
Article 26 Apr 2013   license: CPOL
Folder Encrypted / Decrypter with standolone function
Answer 26 Apr 2013   license: CPOL
Rijndael/AES is a block cypher. It encrypts data in 128 bit (16 character) blocks. Cryptographic padding is used to make sure that last block of the message is always the correct size.You need to explicitly set the padding for both encryption and decryption.For example: mainRM.Padding =...
Question 26 Apr 2013   license: CPOL
hi...i am using rijndeal to encrypt and decrypt some data! but it gives me this error :Padding is invalid and cannot be removed.i searched much but nothing help me to solve this error! tis is my encrypt/decrypt codes:public string Encrypt(string text) { mainRM = new...
Answer 19 Apr 2013   license: CPOL
i can't get the full nitro version free from this program for decryption my code if anyone have it i need it to get my Facebook account back from the one that have steal it :(
Answer 18 Apr 2013   license: CPOL
i think we can't do this for you... anyway look this tutorial how to decrypt... follow the download link in the description of youtube's video...http://www.youtube.com/watch?v=G4ZPSlKKzUA#![^]
Question 18 Apr 2013   license: CPOL
Hi I need someone to decrypt ufd2 code please and give me the decryption Word please and this is the ufd2 code 55176bab1b97d0018f4088d119030421thanQ
Tip/Trick 15 Apr 2013   license: CPOL
How to Encrypt And Decrypt a field without writing any frontent code .
Question 11 Apr 2013   license: CPOL
Hi,I accidentally formatted one of my drive, most of the files were encrypted (using windows7 EFS) and some were not, I used Recover My Files software to recover file, it recovered all files and folder.But those encrypted files are directly opening in WordPad and not human readable but...
Question 3 Apr 2013   license: CPOL
Hello!I doing a project in which data transfer should be secured. I am using password based encryption with MD5 and DES for encrypting the file. The class for encrypting the file:public class FileEncryptor { private static String filename; private static String password; private...
Answer 24 Feb 2013   license: CPOL
there is some links that may help for your this task....Encrypt/Decrypt File or String[^]Encrypt and Decrypt Data with C#[^]Simple encrypting and decrypting data in C#[^]how to create password encrypt decrypt in c#[^]hope will get any idea by these....happy to help...
Question 24 Feb 2013   license: CPOL
I have been trying to make a program in c# to password protect a file so nobody can open the file if it has been encrypted by password. User will encrypt the file with password.Lets take an example, user encrypted an excel file with password as 123456 using C#. My requirement is when the...
Article 28 Jan 2013   license: GPL3
Encrypt your C# classes and compile them during run-time (hiding their code in the exe file).
Answer 25 Jan 2013   license: CPOL
You mean NTFS encryption[^]? Forget it, you won't be able to decrypt it in a reasonable amount of time (several years).To avoid such situations in the future, I suggest you study this article really carefully: http://technet.microsoft.com/en-us/library/cc512680.aspx[^]No, actually you...
Answer 25 Jan 2013   license: CPOL
If you have an encrypted file, and the user who encrypted it has left the company taking the password with him, then the file is useless (assuming it was encrypted with a reasonable algorithm rather than something home-brewed) unless you can contact him and ask for the password.If you need...
Question 25 Jan 2013   license: CPOL
Hi Folks, Struggling With Encrypted file , I have encrypted a file Using windows Encryption, and now unable to decrypt it as the User with which I encrypted it doesn't exist anymore, I formatted that OS. But the file is still encrypted, and I am unable to access that file.how we can...
Article 6 Jan 2013   license: CPOL
Encrypting and Decrypting Files with GnuPG
Question 20 Dec 2012   license: CPOL
Hello AllI want to make an application in which i will stream h264 encrypted and encoded video using live media libraries and then decrypt and decode it and display it using direct show the video.For now i am able to encrypt and encode the video and decrypt the video but i need some free...
Article 26 Nov 2012   license: CPOL
A tutorial of PL/I basic concepts based on an encryption example
Answer 17 Nov 2012   license: CPOL
Below is the VB6 code, when converted to C# it is not working.Option ExplicitPrivate Declare Sub CopyMem Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)Public Event Progress(Percent As Integer)#Const BLOCK_REVERSE = TruePrivate...
Answer 2 Nov 2012   license: CPOL
You can do this using certificates, if you create your own certificates using a certification authority or by using visual studio(link following) http://msdn.microsoft.com/en-us/library/ms733813(v=vs.100).aspx[^]then you can use the following code to do your encryptionCryptography...
Answer 1 Nov 2012   license: CPOL
1st write this function on your page: public static string ConvertToBin(string asciiString) { StringBuilder sb = new StringBuilder(); foreach (string letter in asciiString.Select(c => Convert.ToString(c, 8))) { sb.Append(letter); } ...
Answer 1 Nov 2012   license: CPOL
Hi,I think this article can help you:Public Key RSA Encryption in C# .NET[^]
Answer 1 Nov 2012   license: CPOL
1st write this function on your page:public static string ConvertToBin(string asciiString) { StringBuilder sb = new StringBuilder(); foreach (string letter in asciiString.Select(c => Convert.ToString(c, 8))) { sb.Append(letter); } ...
Answer 1 Nov 2012   license: CPOL
Binary, octal and hex are all the same in this context - you just need to convert the string to bytes:string s = "Hello!";byte[] bytes = System.Text.Encoding.ASCII.GetBytes(s);
Question 1 Nov 2012   license: CPOL
i want to generate public key and secret key based on any algorithm??? but those generation is based on our uploading file(text)?
Question 1 Nov 2012   license: CPOL
How to convert text to binary and octal and hexadecimal in asp.net???? actually i want to generate some secret key and public key using given upload text????
Answer 1 Nov 2012   license: CPOL
I thinks you should first understand the basic concept of Encryption and Decryption AlgorithmEx. Learn more about RSA, MD5 algorithms ie how these algorithms work Theoretically then implement in any Lang(C#,F#,VB.net,J#) Link :...
Answer 1 Nov 2012   license: CPOL
Considering you want to encrypt and then decrypt (when needed) content of some file, try article at File Encryption and Decryption in C#[^]I believe it should serve the purpose.-Milind
Question 1 Nov 2012   license: CPOL
how to do Encryption and Decryption the file in asp.net???
Article 5 Oct 2012   license: CPOL
PDF MERGER and PROTECTOR is the best pdf merger software which is fast and powerful way to join(Merge) PDF files with password protection as well as you can apply stamper with either any type of image or text. Using this utility you don’t required installation of Adobe Acrobat. Looks Exciting ???
Answer 4 Oct 2012   license: CPOL
I believe it should be '-pd' instead of '-pef' for decrypting. Refer: MSDN: How To: Encrypt Configuration Sections in ASP.NET 2.0 Using DPAPI[^]MSDN: How to: Decrypt a web.config File[^]UPDATE:Refer: Encrypting Configuration Information in ASP.NET 2.0 Applications[^]--...
Answer 4 Oct 2012   license: CPOL
I recommend you to look at www.asp.net/videos. They have many videos that can help you out. I recently watched a video on how to encrypt and decrypt configuration data such as connection string, etc...
Answer 4 Oct 2012   license: CPOL
See here: http://www.bouncycastle.org/csharp/[^]. There is an implementation of IDEA as well as SERPENT to be found. See the license for details. You have access to the full source code, so you can have a look at the internal workings as well.Enjoy!— Manfred
Question 4 Oct 2012   license: CPOL
can anyone provide me with the implementation of the IDEA and SERPENT encryption algorithm in c# ? i have to use them in my project
Question 4 Oct 2012   license: CPOL
I want to know if it is possible to decrypt "DataProtectionConfigurationProvider" which is responsible in encrypting the connectionString in the web.config file. I am not the one who developed the system that is why I need to know the decrypted value. I have been searching for solutions or...
Answer 13 Jul 2012   license: CPOL
As others have stated, you cannot turn a hash back into it's original data - that is not the purpose a hash functionThat said, what you appear to be doing is creating a digital signature, which uses an asymmetric key to encrypt the hashChecking the data is correct is a case of hashing...
Answer 13 Jul 2012   license: CPOL
Hi,SHA1 is not an encryption algorithm, so it is not possible to decrypt it. As seventheyejosh just stated, it is a hash (checksum.) And it is one-way and cannot be undone.So, you Can't, Hash Function[^] are one way functions. this is why it is used for passwords, because you can't get the...
Answer 13 Jul 2012   license: CPOL
Hi,Please go through How To: Hash Data Using MD5 and SHA1[^]This may help you,Let me know if you have any query.Thanks-Amit
Question 13 Jul 2012   license: CPOL
I have converted a string in encrypted form using SHA1 algorithm. How do I decrypt it in the original string?The code is given below: byte[] data = Encoding.Unicode.GetBytes(TxtAddress.Text); SHA1 sha = new SHA1CryptoServiceProvider(); ...
Answer 12 Jul 2012   license: CPOL
If passing the data via secure http, i.e. HTTPS does not help much, look here: MSDN: Encrypting SOAP Messages Using Web Services Enhancements[^]This article too looks a good read: 2 Way Encrypted Communication with a web service from a Windows smart client[^]
Question 12 Jul 2012   license: CPOL
Hi I would like to create webservice in which in send data in encryted form and convert data in decryted form ?? and that can be pass in webserviceshw would i do this ??
Answer 11 Jun 2012   license: CPOL
To the most common believe of the mathematicians, experts in public-key cryptography, nobody can decrypt any data if only the encryption key is known, and nobody can modify encrypted data if only the decryption key is known. It is equally infeasible to find one key if another key in the pair is...
Question 11 Jun 2012   license: CPOL
Hi All, I have the below code in config file which is encrypted: xmlns="http://www.w3.org/2001/04/xmlenc#"> Rsa Key ...

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