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gcc/libgfortran
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Janne Blomqvist 09309e09ec Use a XOR cipher instead of byte shuffling to protect against bad seeds. 
libgfortran:
2016-08-19  Janne Blomqvist  <jb@gcc.gnu.org>

        * intrinsics/random.c (xor_keys): New array with "secret" keys.
        (scramble_seed): XOR given seed with xor_keys array rather than
        shuffling bytes.
        (unscramble_seed): Remove function.
        (random_seed_i4): Use new scramble_seed.
        (random_seed_i8): Likewise.

frontend:
2016-08-19  Janne Blomqvist  <jb@gcc.gnu.org>

        * intrinsics.texi (RANDOM_NUMBER): Remove reference to
        init_random_seed in example.
        (RANDOM_SEED): Remove warning to not set all seed values to 0.

From-SVN: r239613
2016-08-19 17:19:51 +03:00
..
caf libcaf.h: Add parameter stat to caf_get() and caf_send()'s function prototypes. 2016-07-22 11:58:50 +02:00
config Update copyright years. 2016-01-04 15:30:50 +01:00
generated Update copyright years. 2016-01-04 15:30:50 +01:00
ieee Update copyright years. 2016-01-04 15:30:50 +01:00
intrinsics Use a XOR cipher instead of byte shuffling to protect against bad seeds. 2016-08-19 17:19:51 +03:00
io re PR libfortran/48852 (Invalid spaces in list-directed output of complex constants) 2016-06-23 15:58:05 +00:00
m4 Update copyright years. 2016-01-04 15:30:50 +01:00
runtime Replace KISS PRNG with xorshift1024* using per-thread state. 2016-08-11 11:58:55 +03:00
acinclude.m4
aclocal.m4
c99_protos.h Update copyright years. 2016-01-04 15:30:50 +01:00
ChangeLog Use a XOR cipher instead of byte shuffling to protect against bad seeds. 2016-08-19 17:19:51 +03:00
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ChangeLog-2013
ChangeLog-2014 Update copyright years. 2016-01-04 15:30:50 +01:00
ChangeLog-2015 Update copyright years. 2016-01-04 15:30:50 +01:00
config.h.in
configure
configure.ac
configure.host
gfortran.map
kinds-override.h Update copyright years. 2016-01-04 15:30:50 +01:00
libgfortran.h Update copyright years. 2016-01-04 15:30:50 +01:00
libgfortran.spec.in
libtool-version
Makefile.am
Makefile.in
mk-kinds-h.sh
mk-sik-inc.sh
mk-srk-inc.sh