Function libisal_sys::gf_invert_matrix

pub unsafe extern "C" fn gf_invert_matrix(
    in_: *mut c_uchar, 
    out: *mut c_uchar, 
    n: c_int
) -> c_int

Invert a matrix in GF(2^8).

Returns 0 successful, other fail on singular input matrix.

Arguments:

• in: input matrix
• out: output matrix such that [in] x [out] = [I] - identity matrix
• n: size of matrix [n x n]