Commit 20a8bce4 authored by Shane Lontis's avatar Shane Lontis Committed by Richard Levitte
Browse files

Updated doc for BN_clear, BN_CTX_end when param is NULL



Reviewed-by: default avatarPaul Dale <paul.dale@oracle.com>
Reviewed-by: default avatarRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8532)

(cherry picked from commit 138ef774fedb567b29d6e5a96541a396cadc6135)
parent 1913df42
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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