Re: [PATCH 5/5] Add arc4random() etc. from OpenBSD 5.8

[Corinna Vinschen <vinschen at redhat dot com>]

On Mar 18 11:49, Sebastian Huber wrote:
> According to the OpenBSD man page, "A Replacement Call for Random".  It
> offers high quality random numbers derived from input data obtained by
> the OpenBSD specific getentropy() system call which is declared in
> <unistd.h> and must be implemented for each Newlib port externally.  The
> arc4random() functions are used for example in LibreSSL and OpenSSH.
> 
> Cygwin provides currently its own implementation of the arc4random
> family.  Maybe it makes sense to use this getentropy() implementation:
> 
> http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libcrypto/crypto/getentropy_win.c?rev=1.4&content-type=text/x-cvsweb-markup

No, that pulls in a dependency to another DLL which we're trying to avoid.
Using RtlGenRandom should work though.  I have to test this.


Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat

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