Triple DES is a symmetric encryption algorithm that uses the DES cipher three times to encrypt each block of data. The formal name of this algorithm is the Triple Data Encryption Algorithm.
Questions tagged [tripledes]
266 questions
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IV too long in PHP mcrypt_generic_init
I am working on a project where all the data from the web services is being encrypted using Triple DES Encryption. In my specific case, I am receiving a query string from a URL that has been encrypted. The web service provider has given me two…
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1 answer
TripleDes encrypted/decrypted string has question marks
There's an old web application developed in vb.net and 2.0 Framework. The application reads an encrypted information of sql server name which are stored in a Windows registry. When it comes to this line of code
ConnectionStr =…
jambis
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Triple DES initialization vector
I have a working code to generate encrypt data using PHP:
$cipher_alg = MCRYPT_TRIPLEDES;
$iv = mcrypt_create_iv(mcrypt_get_iv_size($cipher_alg,MCRYPT_MODE_ECB), MCRYPT_RAND);
$encrypted_string = mcrypt_encrypt($cipher_alg, $pKey, $string,…
Guilherme Torres Castro
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Why does this php statement not work? Cant send data using url
_id,
'APIKey' => $api_key,
…
Ajeesh
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2 answers
Why this line doesnt work in java?
return Base64.encodeBase64String(cipherText);
im getting an error in this line.It suggest me to make a class in base64,but is there any standard class for Base64?Im using this to encrypt.
import java.net.URLEncoder;
import…
Ajeesh
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1 answer
TripleDES returning the "equal" symbol in encrypted data
I am trying to Encrypt / Decrypt data to use in the Querystring.
Most of the time, the encrypted data ends with the "equal" symbol '='
The following are some examples of encrypted string
1 - LS07D43u6Hs=
2 - oHPgq6hz0A0=
3 - 4ugeuARQvXw=
…
TTCG
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How to decrypt Triple Des CryptoJS values in Java class
I was asked to encrypt some text from client side ( web ) before sending it to server side ( java )
So i try to use CryptoJS library for client side.
I encrypt it like this :
var key = "aaaaaaaaaaaaaaaaaaaaaaaa";
var value = "KF169841";
…
mameo
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SHA1 outputs in Java and Objective-c vary within a loop
i happen to be getting varying outputs when i call the digest method (in java) and CC_SHA1 (in Objective-c multiple times.
Please note that when the loop isn't used, i'm getting matching outputs.
The following are the implementations i'm currently…
Leena
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How to Wrap Symmetric Key and IV in C#
Is there an existing .NET API for performing a Triple DES Key Wrap ?
Documentation here.
I have generated 192 bit symmetric key + 64 bit initialization vector (IV) for 256 bit total.
Currently, my code only encrypts the symmetric key as follows:…
AdventurGurl
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Encryption exception: you have not installed the Java Cryptography Extension (JCE)
error: Encryption exception: you have not installed the Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files in this Java Virtual Machine
I have read that to resolve this, one must download the local_policy,…
user742102
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1 answer
Test vectors for ECB, CBC, CFB and OFB modes of Triple DES
Where I can get test vectors for CBC, CFB and OFB modes of Triple DES?
Help me please.
idk.the.name
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How do I handle keys when trying to use TripleDES to encrypt transactions between GWT client and perl server?
I have a GWT client talking to a perl server via JSON over HTTP. It works great, but there are some privacy issues and I need to encrypt the transactions. After doing a bit a research it seems as though the easiest/best supported option is to user…
James B
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3 answers
With Triple des, can you decrypt with just a public key?
I know with RSA there are a few ways you can encrypt and decrypt data, meaning you can encrypt with either the public or private key (or both), and you can also decrypt with just a private or public key, or both.
With Triple Des, do you need both…
loyalflow
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Using "CryptoJS" library in a Titanium mobile project to decrypt a text message [Triple DES]
I have an encrypted text message and I want to decrypt it using "crypto-js" library posted on the link: http://code.google.com/p/crypto-js/
I want to decrypt using TRIPLE DES.
I downloaded the library and placed "tripledes.js" under "lib" folder in…
Anthony
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TrippleDES without base 64 encoding: Given final block not properly padded
I'm trying to encrypt and decrypt a string using TrippleDES algorythm and without using Base64 encoding (my app will be talking to another app that has these requirements). Everything worked beautifully when I was testing stuff using Base64…
Creature
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