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[CRYPT] Constify several input parameters

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This allows easily spotting input vs output parameters, as well as
make it easier for compiler to find out bugs and optimize code.
This commit is contained in:
Pau Espin Pedrol 2023-12-19 18:00:09 +01:00 • committed by Sukchan Lee
parent 9349743295
commit 7728172a83
2 changed files with 30 additions and 28 deletions
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24
lib/crypt/ogs-kdf.h
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@ -45,11 +45,11 @@ void ogs_kdf_xres_star(
void ogs_kdf_hxres_star(uint8_t *rand, uint8_t *xres_star, uint8_t *hxres_star);
/* TS33.501 Annex A.6 : Kseaf derivation function */
void ogs_kdf_kseaf(char *serving_network_name, uint8_t *kausf, uint8_t *kseaf);
void ogs_kdf_kseaf(char *serving_network_name, const uint8_t *kausf, uint8_t *kseaf);
/* TS33.501 Annex A.7 : Kamf derivation function */
void ogs_kdf_kamf(char *supi, uint8_t *abba, uint8_t abba_len,
uint8_t *kseaf, uint8_t *kamf);
void ogs_kdf_kamf(const char *supi, const uint8_t *abba, uint8_t abba_len,
const uint8_t *kseaf, uint8_t *kamf);
/* Algorithm Type Distinguishers */
#define OGS_KDF_NAS_ENC_ALG 0x01
@ -68,14 +68,14 @@ void ogs_kdf_kamf(char *supi, uint8_t *abba, uint8_t abba_len,
/* TS33.501 Annex A.8 : Algorithm key derivation functions */
void ogs_kdf_nas_5gs(uint8_t algorithm_type_distinguishers,
uint8_t algorithm_identity, uint8_t *kamf, uint8_t *knas);
uint8_t algorithm_identity, const uint8_t *kamf, uint8_t *knas);
/* TS33.501 Annex A.9 KgNB and Kn3iwf derivation function */
void ogs_kdf_kgnb_and_kn3iwf(uint8_t *kamf, uint32_t ul_count,
void ogs_kdf_kgnb_and_kn3iwf(const uint8_t *kamf, uint32_t ul_count,
uint8_t access_type_distinguisher, uint8_t *kgnb);
/* TS33.501 Annex A.10 NH derivation function */
void ogs_kdf_nh_gnb(uint8_t *kamf, uint8_t *sync_input, uint8_t *kgnb);
void ogs_kdf_nh_gnb(const uint8_t *kamf, uint8_t *sync_input, uint8_t *kgnb);
/*
* TS33.501 Annex C.3.4.1 Profile A
@ -83,29 +83,29 @@ void ogs_kdf_nh_gnb(uint8_t *kamf, uint8_t *sync_input, uint8_t *kgnb);
* ANSI-X9.63-KDF
*/
void ogs_kdf_ansi_x963(
uint8_t *z, size_t z_len, uint8_t *info, size_t info_len,
const uint8_t *z, size_t z_len, const uint8_t *info, size_t info_len,
uint8_t *ek, uint8_t *icb, uint8_t *mk);
/* TS33.401 Annex A.2 KASME derivation function */
void ogs_auc_kasme(const uint8_t *ck, const uint8_t *ik,
void ogs_auc_kasme(const uint8_t *ck, const uint8_t *ik,
const uint8_t *plmn_id, const uint8_t *sqn, const uint8_t *ak,
uint8_t *kasme);
/* TS33.401 Annex A.3 KeNB derivation function */
void ogs_kdf_kenb(uint8_t *kasme, uint32_t ul_count, uint8_t *kenb);
void ogs_kdf_kenb(const uint8_t *kasme, uint32_t ul_count, uint8_t *kenb);
/* TS33.401 Annex A.4 NH derivation function */
void ogs_kdf_nh_enb(uint8_t *kasme, uint8_t *sync_input, uint8_t *kenb);
void ogs_kdf_nh_enb(const uint8_t *kasme, const uint8_t *sync_input, uint8_t *kenb);
/* TS33.401 Annex A.7 Algorithm key derivation functions */
void ogs_kdf_nas_eps(uint8_t algorithm_type_distinguishers,
uint8_t algorithm_identity, uint8_t *kasme, uint8_t *knas);
uint8_t algorithm_identity, const uint8_t *kasme, uint8_t *knas);
/*
* TS33.401 Annex I Hash Functions
* Use the KDF given in TS33.220
*/
void ogs_kdf_hash_mme(uint8_t *message, uint8_t message_len, uint8_t *hash_mme);
void ogs_kdf_hash_mme(const uint8_t *message, uint8_t message_len, uint8_t *hash_mme);
/*
* TS33.102