diff options
Diffstat (limited to 'src/gsm/comp128v23.c')
| -rw-r--r-- | src/gsm/comp128v23.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/gsm/comp128v23.c b/src/gsm/comp128v23.c index e21b718e..bfb4a0ee 100644 --- a/src/gsm/comp128v23.c +++ b/src/gsm/comp128v23.c @@ -28,6 +28,14 @@ #include <stdint.h> #include <string.h> +/*! \addtogroup auth + * @{ + */ + +/*! \file comp128v23.c + * \brief COMP128 v2 / v3; Common Algorithm used for GSM Authentication (A3/A8) + */ + static const uint8_t table0[256] = { 197, 235, 60, 151, 98, 96, 3, 100, 248, 118, 42, 117, 172, 211, 181, 203, 61, 126, 156, 87, 149, 224, 55, 132, 186, 63, 238, 255, 85, 83, 152, 33, 160, @@ -101,6 +109,12 @@ _comp128v23_internal(uint8_t *output, const uint8_t *kxor, const uint8_t *rand) } } +/*! \brief Perform COMP128v3 algorithm + * \param[in] ki Secret Key K(i) of subscriber + * \param[in] rand Random Challenge + * \param[out] sres user-supplied buffer for storing computed SRES value + * \param[out] kc user-supplied buffer for storing computed Kc value + * \returns 0 */ int comp128v3(const uint8_t *ki, const uint8_t *rand, uint8_t *sres, uint8_t *kc) { @@ -147,6 +161,12 @@ comp128v3(const uint8_t *ki, const uint8_t *rand, uint8_t *sres, uint8_t *kc) return 0; } +/*! \brief Perform COMP128v2 algorithm + * \param[in] ki Secret Key K(i) of subscriber + * \param[in] rand Random Challenge + * \param[out] sres user-supplied buffer for storing computed SRES value + * \param[out] kc user-supplied buffer for storing computed Kc value + * \returns 0 */ int comp128v2(const uint8_t *ki, const uint8_t *rand, uint8_t *sres, uint8_t *kc) { @@ -155,3 +175,5 @@ comp128v2(const uint8_t *ki, const uint8_t *rand, uint8_t *sres, uint8_t *kc) kc[6] &= 0xfc; return r; } + +/*! @} */ |