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-rw-r--r--include/osmocom/crypt/auth.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/osmocom/crypt/auth.h b/include/osmocom/crypt/auth.h
index e544126b..c653b616 100644
--- a/include/osmocom/crypt/auth.h
+++ b/include/osmocom/crypt/auth.h
@@ -42,7 +42,7 @@ struct osmo_sub_auth_data {
union {
struct {
uint8_t opc[16]; /*!< operator invariant value */
- uint8_t k[16]; /*!< secret key of the subscriber */
+ uint8_t k[OSMO_A5_MAX_KEY_LEN_BYTES]; /*!< secret key of the subscriber */
uint8_t amf[2];
uint64_t sqn; /*!< sequence number (in: prev sqn; out: used sqn) */
int opc_is_op; /*!< is the OPC field OPC (0) or OP (1) ? */
@@ -60,8 +60,8 @@ struct osmo_sub_auth_data {
struct osmo_auth_vector {
uint8_t rand[16]; /*!< random challenge */
uint8_t autn[16]; /*!< authentication nonce */
- uint8_t ck[16]; /*!< ciphering key */
- uint8_t ik[16]; /*!< integrity key */
+ uint8_t ck[OSMO_A5_MAX_KEY_LEN_BYTES]; /*!< ciphering key */
+ uint8_t ik[OSMO_A5_MAX_KEY_LEN_BYTES]; /*!< integrity key */
uint8_t res[16]; /*!< authentication result */
uint8_t res_len; /*!< length (in bytes) of res */
uint8_t kc[8]; /*!< Kc for GSM encryption (A5) */