=head1 RETURN VALUES
-EVP_BytesToKey() returns the size of the derived key in bytes.
+EVP_BytesToKey() returns the size of the derived key in bytes, or 0 on error.
=head1 SEE ALSO
L<evp(3)|evp(3)>, L<rand(3)|rand(3)>,
-L<EVP_EncryptInit(3)|EVP_EncryptInit(3)>,
+L<EVP_EncryptInit(3)|EVP_EncryptInit(3)>
=head1 HISTORY