Original text:
    Check if a random "file" is really a device file, and treat it
    specially if it is.
    Add a few OpenBSD-specific cases.
    This is part of a large change submitted by Markus Friedl <markus@openbsd.or
Reviewed-by: NRichard Levitte <levitte@openssl.org>
Reviewed-by: NTim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3700)

Ensure things really do get cleared when we intend them to.

Addresses an OCAP Audit issue.
Reviewed-by: NAndy Polyakov <appro@openssl.org>

Reviewed-by: NRichard Levitte <levitte@openssl.org>

Reviewed-by: NRichard Levitte <levitte@openssl.org>

This was done by the following
        find . -name '*.[ch]' | /tmp/pl
where /tmp/pl is the following three-line script:
        print unless $. == 1 && m@/\* .*\.[ch] \*/@;
        close ARGV if eof; # Close file to reset $.

And then some hand-editing of other files.
Reviewed-by: NViktor Dukhovni <viktor@openssl.org>

The entropy-gathering daemon is used only on a small number of machines.
Provide a configure knob so that EGD support can be disabled by default
but re-enabled on those systems that do need it.
Reviewed-by: NDr. Stephen Henson <steve@openssl.org>

Add OPENSSL_SYS_UEFI flag for RAND handling;
Signed-off-by: NRich Salz <rsalz@akamai.com>
Reviewed-by: NTim Hudson <tjh@openssl.org>

There are header files in crypto/ that are used by a number of crypto/
submodules.  Move those to crypto/include/internal and adapt the
affected source code and Makefiles.

The header files that got moved are:

crypto/cryptolib.h
crypto/md32_common.h
Reviewed-by: NRich Salz <rsalz@openssl.org>

Add OSSL_NELEM macro to e_os.h to determine the number of elements in an
array.
Reviewed-by: NTim Hudson <tjh@openssl.org>

Reviewed-by: NTim Hudson <tjh@openssl.org>

This commit removes BEOS.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

Submitted by: Paul Green <Paul.Green@stratus.com>
Reviewed by: steve

Improved PRNG seeding for VOS.

knock-on work than expected - they've been extracted into a patch
series that can be completed elsewhere, or in a different branch,
before merging back to HEAD.

large FD: it's non-blocking mode anyway

PR: 1312
Submitted by: Oliver Tappe <zooey@hirschkaefer.de>
Reviewed by: Ulf Moeller

That should solve the issues with propagating it through the Makefiles.

PR: 1110

PR: 998

PR: 989
Submitted by: Doug Kaufman

compilers may complain.

specially if it is.
Add a few OpenBSD-specific cases.
This is part of a large change submitted by Markus Friedl <markus@openbsd.org>

PR: 780
Submitted by: Verdon Walker <VWalker@novell.com>
Reviewed by: Richard Levitte

I've covered all the memset()s I felt safe modifying, but may have missed some.

PR: 253

Correct misspelled VXWORKS macros.
Add VXWORKS identifying macros to e_os2.h.
Add required inclusions and mappings for VxWorks in e_os.h.
A few small modifications to make OpenSSL build and work on VxWorks.
PR: 253, except for the  change that was handled in an earlier
         commit, and a request for easy build of just parts of OpenSSL.

Submitted by: Bernhard Simon <bs@bsws.zid.tuwien.ac.at>
Reviewed by:
PR:

Submitted by: Bernhard Simon <bs@bsws.zid.tuwien.ac.at>
Reviewed by:
PR:

Contributed by "Brian Havard" <brianh@kheldar.apana.org.au>

missed any.

This compiles and runs on Linux, and external applications have no
problems with it.  The definite test will be to build this on VMS.

only queried when the /dev/[u]random devices did not return enough
entropy. Only the amount of entropy missing to reach the required minimum
is queried, as EGD may be drained.
Queried locations are: /etc/entropy, /var/run/egd-pool