des Questions

4

Solved

According to Wikipedia, TripleDES supports 56, 112, and 168-bit key lengths, but the System.Cryptography.TripleDESCryptoServiceProvider.LegalKeySizes says it only accepts 128 and 192-bit key length...
Mutualism asked 20/7, 2011 at 17:52

3

I've got a project which stipulates the following encryption rules for a 24 byte block of data. 1) Cryptography should be done using full triple DES MAC algorithm as defined in 9797-1 as MAC al...
Cockaigne asked 19/5, 2011 at 8:21

4

I am implementing DES Encryption in Java with use of BigIntegers. I am left shifting binary keys with Java BigIntegers by doing the BigInteger.leftShift(int n) method. Key of N (Kn) is dependent o...
Daron asked 28/4, 2010 at 5:20

1

Solved

I am trying to encrypt an NSString in Objective C on the iPhone. At least I wan't to get a string like "TmsbDaNG64lI8wC6NLhXOGvfu2IjLGuEwc0CzoSHnrs=" when I encode "us=foo;pw=bar;pwAlg=false;" by u...
Slumlord asked 24/3, 2010 at 23:25

3

Solved

I am using password based encryption. My initial thought was to use AES to encrypt the file which contains passwords. Turns out password based encryption does not support AES. It uses DES. AFAIK de...
Bayreuth asked 16/8, 2009 at 16:58

4

Solved

Already understanding that AES is the encryption method of choice, should existing code that uses DES be re-written if the likely threat is on the level of script kiddies? (e.g. pkzip passwords can...
Horoscopy asked 31/7, 2009 at 13:33

7

Solved

I'm having a bit of difficulty getting an understand of key length requirements in cryptography. I'm currently using DES which I believe is 56 bits... now, by converting an 8 character password to ...
Frieda asked 8/6, 2009 at 15:31

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