There's an MD5 addon (now), it might need optimization
for speed, but it's very close to C algorithm:
http://www.jsoftware.com/pipermail/general/2003-September/014961.html
load'convert/misc/md5'
(>,. '='"_,. md5&>@]) '';'a';'abc';'message digest'
=d41d8cd98f00b204e9800998ecf8427e
a =0cc175b9c0f1b6a831c399e269772661
abc =900150983cd24fb0d6963f7d28e17f72
message digest=f96b697d7cb7938d525a2f31aaf161d0
There's also a platform-specific possibility,
which is faster:
[Jforum] MD5 Sum
http://www.jsoftware.com/pipermail/general/2003-September/014959.html
In other words, it's possible to find already
exsisting system crypto library for any platform.
--- Roger Hui <[EMAIL PROTECTED]> wrote:
> http://tools.ietf.org/html/rfc1320
>
> a. MD4 is public domain.
> b. c source files are provided. You should be able
> to construct a DLL and call it from J.
>
>
>
> ----- Original Message -----
> From: bill lam <[EMAIL PROTECTED]>
> Date: Friday, October 19, 2007 21:02
> Subject: [Jgeneral] checksum
> To: General forum <[email protected]>
>
> > J601 have CRC32 (128!:3), would it be possible for the
> > interpreter to include
> > also other popular checksum eg, MD2, MD4, MD5, SHA1, SHA2. It is
> > not practical
> > to compute them using J.
> >
> > I want to use MD4 in Tara, is there any patent issue on this checksum?
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
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