[#BN_BLINDING_lock]
= BN_BLINDING_lock
:mrdocs:

Acquire the mutex associated with a BN_BLINDING object.

== Synopsis

Declared in `<openssl/bn.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
BN_BLINDING_lock(xref:BN_BLINDING.adoc[BN_BLINDING]* b);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *b*
| Blinding object whose lock is taken.
|===


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