mp_read_unsigned_octets
CHECK_MPI_OK( mp_read_unsigned_octets(&x1, pointC.data + 1, flen) );
CHECK_MPI_OK( mp_read_unsigned_octets(&Px, pointP->data + 1, (mp_size) len) );
CHECK_MPI_OK( mp_read_unsigned_octets(&Py, pointP->data + 1 + len, (mp_size) len) );
CHECK_MPI_OK( mp_read_unsigned_octets(&Gx, params->base.data + 1,
CHECK_MPI_OK( mp_read_unsigned_octets(&Gy, params->base.data + 1 + len,
CHECK_MPI_OK( mp_read_unsigned_octets(&k, key->privateValue.data,
CHECK_MPI_OK( mp_read_unsigned_octets(&privKeyVal, privKeyBytes, 2*len) );
CHECK_MPI_OK( mp_read_unsigned_octets(&order_1, order, len) );
CHECK_MPI_OK( mp_read_unsigned_octets(&Px, publicValue->data + 1, (mp_size) len) );
CHECK_MPI_OK( mp_read_unsigned_octets(&Py, publicValue->data + 1 + len, (mp_size) len) );
CHECK_MPI_OK( mp_read_unsigned_octets(&k, privateValue->data,
CHECK_MPI_OK( mp_read_unsigned_octets(&k, kb, kblen) );
CHECK_MPI_OK( mp_read_unsigned_octets(&x1, kGpoint.data + 1,
CHECK_MPI_OK( mp_read_unsigned_octets(&r_, signature->data, slen) );
CHECK_MPI_OK( mp_read_unsigned_octets(&s_, signature->data + slen, slen) );
CHECK_MPI_OK(mp_read_unsigned_octets((mp), (it).data, (it).len))
mp_err mp_read_unsigned_octets(mp_int *mp, const unsigned char *str, mp_size len);