Re: Winzip's 256bit-AES encryption & self-extracting files

On Sun 30 Dec 2007 17:06:04, zipeg
<zipeg.32f5wx@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:

it does not matter if it is self extracting or normal archive. AES
is strong encryption. However a lot of mail servers/clients will be
unhappy about .exe as an attachment. It is better to send just
normal encrypted zip file and advise your recipients to use
freeware like 7-zip or Zipeg 'Zipeg - Got pictures? Zip thru JPEG
photo archives' (http://www.zipeg.com) to unpack them.


AES is strong. But has Winzip incorporated AES into self-extracting
files in a way that does not introduce weaknesses.

ISTR that the early AES 256 Zip files created by Winzip had some sort of
weakness due to the way it was implemented.
.

Relevant Pages

  • Re: Triple AES (3AES)
    ... >>And what is the correct way of mixing say AES and serpent? ... It would allow weaknesses in either AES or ... If I'm using double encryption with one encryption being AES and the ...
    (sci.crypt)
  • Re: New Encryption Idea
    ... performing the 5 reads necessary in the example algorithm results in a delay ... Panama at 400MB/sec, or RC4 at about 90MB/sec, or AES in CTR mode at ... and the speed failings of your design become very clear. ... > Manansala Encryption and Authentication System ...
    (sci.crypt)
  • Re: Quadruple Algorithms
    ... occurring" (a fatal flaw being found in AES, ... If you really want secure crypto use various layers of encryption ... with the output of one cipher feeding ...
    (sci.crypt)
  • Blacking Whitening Transform for Security in double encryption.
    ... Many people fear one layer of AES used during encryption may not ... enough after applying the transform many long strings of common ...
    (sci.crypt)
  • Re: DMSII Encryption - does it exist?
    ... encryption and is easy to implement. ... I was unaware of TEA, so thanks for pointing it out. ... Isn't there an implementation of DES that is used for the encryption ... There are several public domain implementations of AES (the DES ...
    (comp.sys.unisys)