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doc: note that the BN_new() initialises the BIGNUM

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BN_new() and BN_secure_new() not only allocate memory, but also
initialise it to deterministic value - 0.

Document that behaviour to make it explicit

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4438)
This commit is contained in:
Hubert Kario 2017-09-29 13:10:34 +02:00
parent af3e5e1bda
commit 681acb311b
1 changed files with 2 additions and 1 deletions
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3
doc/man3/BN_new.pod
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@ -36,7 +36,8 @@ If B<a> is NULL, nothing is done.
=head1 RETURN VALUES
BN_new() and BN_secure_new()
return a pointer to the B<BIGNUM>. If the allocation fails,
return a pointer to the B<BIGNUM> initialised to the value 0.
If the allocation fails,
they return B<NULL> and set an error code that can be obtained
by L<ERR_get_error(3)>.