Instead of setting a "magic" global variable to force RAND to keep
consistent state and always generate the same bytestream, have
the fuzzing code install its own RAND_METHOD that does this.  For
BN_RAND_DEBUG, we just don't do it; that debugging was about mucking
with BN's internal representation, not requiring predictable rand
bytes.
Reviewed-by: NPaul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/4025)

Reviewed-by: NRich Salz <rsalz@openssl.org>
Reviewed-by: NAndy Polyakov <appro@openssl.org>
GH: #2683

Don't compile code that still uses LONG when it's deprecated
Reviewed-by: NMatt Caswell <matt@openssl.org>
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3126)

Reviewed-by: NMatt Caswell <matt@openssl.org>
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3126)

Reviewed-by: NRich Salz <rsalz@openssl.org>
GH: #2041

This allows to free everything we allocated, so we can detect memory
leaks.
Reviewed-by: NRich Salz <rsalz@openssl.org>
GH: #2023

Reviewed-by: NRich Salz <rsalz@openssl.org>
GH: #2023

Reviewed-by: NRich Salz <rsalz@openssl.org>

Reviewed-by: NRich Salz <rsalz@openssl.org>

Reviewed-by: NRich Salz <rsalz@openssl.org>
GH: #1331

Reviewed-by: NRich Salz <rsalz@openssl.org>
GH: #1323

Reviewed-by: NMatt Caswell <matt@openssl.org>

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

Reviewed-by: NBen Laurie <ben@links.org>

MR: #2740

Reviewed-by: NRich Salz <rsalz@openssl.org>

Reviewed-by: NEmilia Käsper <emilia@openssl.org>