CVS commit: src/lib/libc/gen

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Tue Mar 11 13:35:54 UTC 2025

Modified Files:
        src/lib/libc/gen: arc4random.c

Log Message:
arc4random(3): Isolate endian-dependence of crypto_onetimestream.

Make it all happen in crypto_le32enc/dec (which in this file is
actually just memcpy).  This way you can swap out crypto_le32enc/dec
to test either byte order on any machine, e.g. for generating the
test vectors.  And if we ever decide that it's not worthwhile to take
advantage of the purely nondeterministic nature of the API to make
this have potentially less performance penalty on big-endian systems
(which I'm not sure has ever been measured anyway), it'll all
continue to work under

        #define crypto_le32enc  le32enc
        #define crypto_le32dec  le32dec

with all the _BYTE_ORDER == _BIG_ENDIAN conditionals removed from the
self-tests.

No change to the code of crypto_onetimstream on hppa under tools gcc.


To generate a diff of this commit:
cvs rdiff -u -r1.48 -r1.49 src/lib/libc/gen/arc4random.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.