context I<ctx> for an encapsulation operation and then sets the I<params>
on the context in the same way as calling L<EVP_PKEY_CTX_set_params(3)>.
-The EVP_PKEY_auth_encapsulate_init() function is similiar to
+The EVP_PKEY_auth_encapsulate_init() function is similar to
EVP_PKEY_encapsulate_init() but also passes an I<authpriv> authentication private
key that is used during encapsulation.