BN_BLINDING_convert_ex() multiplies B<n> with the blinding factor B<A>.
If B<r> is not NULL a copy the inverse blinding factor B<Ai> will be
-returned in B<r> (this is useful if a B<RSA> object is shared amoung
+returned in B<r> (this is useful if a B<RSA> object is shared among
several threads). BN_BLINDING_invert_ex() multiplies B<n> with the
inverse blinding factor B<Ai>. If B<r> is not NULL it will be used as
the inverse blinding.
BN_BLINDING_update(), BN_BLINDING_convert(), BN_BLINDING_invert(),
BN_BLINDING_convert_ex() and BN_BLINDING_invert_ex() return 1 on
-success and 0 if an error occured.
+success and 0 if an error occurred.
BN_BLINDING_thread_id() returns a pointer to the thread id object
within a B<BN_BLINDING> object.