27#include <osmocom/core/defs.h>
28#include <osmocom/core/bits.h>
45 int t1 = fn / (26 * 51);
48 return (t1 << 11) | (t3 << 5) | t2;
57int osmo_a5(
int n,
const uint8_t *key, uint32_t fn, ubit_t *dl, ubit_t *ul);
58void osmo_a5_1(
const uint8_t *key, uint32_t fn, ubit_t *dl, ubit_t *ul) OSMO_DEPRECATED(
"Use generic osmo_a5() instead");
59void osmo_a5_2(
const uint8_t *key, uint32_t fn, ubit_t *dl, ubit_t *ul) OSMO_DEPRECATED(
"Use generic osmo_a5() instead");
static uint32_t osmo_a5_fn_count(uint32_t fn)
Converts a frame number into the 22 bit number used in A5/x.
Definition a5.h:43
int osmo_a5(int n, const uint8_t *key, uint32_t fn, ubit_t *dl, ubit_t *ul)
Main method to generate a A5/x cipher stream.
Definition a5.c:414