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De-/Encryption Library development files

libmcrypt is the library which implements all the algorithms and modes found in mcrypt.

libmcrypt supports the algorithms: BLOWFISH, TWOFISH, DES, TripleDES, 3-WAY, SAFER-sk64, SAFER-sk128, SAFER+, LOKI97, GOST, RC2, RC6, MARS, IDEA, RIJNDAEL-128, RIJNDAEL-192, SERPENT, RIJNDAEL-256, CAST-128 (known as CAST5), CAST-256, ARCFOUR, ENIGMA, PANAMA, XTEA and WAKE. Block algorithms can be used in: CBC, ECB, CFB and OFB (8 bit and n bit, where n is the size of the algorithm's block length).

More information can be found at the libmcrypt homepage .

Package version:2.5.8-3.1


Libmcrypt is a thread-safe library providing a uniform interface
to access several block and stream encryption algorithms.
Check the manual page for more information on libmcrypt.

Look at COPYING for license information and the individual files for more 
information. COPYING applies only for the mcrypt program and not the 
algorithms which most of them are public domain.

A mailing list on mcrypt


Mcrypt 2.1 was insecure (vulnerable to brute force attack for weak keys) 
because it just used the plainkey as it was given by the user as algorithm's
key. The solution seems to be a function which tranforms the
key given by the user to a real -random looking- key. 

There are many functions that may convert a password or a passphrase to
a key. Most of them use hash algorithms. You can find some i


The xTEA algorithm may not be right implemented. There are two different
behaved implementations, because the specification is not clear. I assumed
that the C code in the specification is right, so in mcrypt xtea behaves
exactly as the code shown in the specification. The different approach
is the code in which seems to be more rational than the
code in the specification. But since 


LIBMCRYPT-CONFIG(1)                              LIBMCRYPT-CONFIG(1)



MCRYPT(3)                                                  MCRYPT(3)

       libmcrypt - encr


libmcrypt (2.5.8-3.1) unstable; urgency=high

  * Non-maintainer upload.
  * High-urgency upload for


2003-03-08 17:30  nmav

	* NEWS,, lib/

	mcrypt_symb.c is only generated wh


- Documentation- documentation-...
- Find test vectors for PANAMA and WAKE and check the implementat

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