Updated doc for BN_clear, BN_CTX_end when param is NULL

Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8532)
This commit is contained in:
Shane Lontis 2019-03-20 08:13:55 +10:00 committed by Richard Levitte
parent ce9b996409
commit 138ef774fe
2 changed files with 2 additions and 0 deletions

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@ -27,6 +27,7 @@ calls must be made before calling any other functions that use the
B<ctx> as an argument.
Finally, BN_CTX_end() must be called before returning from the function.
If B<ctx> is NULL, nothing is done.
When BN_CTX_end() is called, the B<BIGNUM> pointers obtained from
BN_CTX_get() become invalid.

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@ -27,6 +27,7 @@ OPENSSL_secure_malloc(3) is used to store the value.
BN_clear() is used to destroy sensitive data such as keys when they
are no longer needed. It erases the memory used by B<a> and sets it
to the value 0.
If B<a> is NULL, nothing is done.
BN_free() frees the components of the B<BIGNUM>, and if it was created
by BN_new(), also the structure itself. BN_clear_free() additionally