 and BN_BLINDING_invert() are wrapper functions for BN_BLINDING_convert_ex() and BN_BLINDING_invert_ex() with <b>r</b> set to NULL.</p>

<p>BN_BLINDING_is_current_thread() returns whether the <b>BN_BLINDING</b> structure is owned by the current thread. This is to help users provide proper locking if needed for multi-threaded use.</p>

<p>BN_BLINDING_set_current_thread() sets the current thread as the owner of the <b>BN_BLINDING</b> structure.</p>

<p>BN_BLINDING_lock() locks the <b>BN_BLINDING</b> structure