webadmin/pico-keys-sdk
1
0
Fork 0
mirror of https://github.com/polhenarejos/pico-keys-sdk synced 2026-06-03 03:43:00 +02:00
Code Issues Packages Projects Releases Wiki Activity

Add macros for PIN KDF.

Browse Source 
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2026-04-01 16:20:22 +02:00
parent 189567eebe
commit f76bc631d2
2 changed files with 25 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/crypto_utils.h
View File

@@ -38,6 +38,14 @@
#define IV_SIZE 16
typedef enum {
PIN_KDF_V1 = 1,
PIN_KDF_V2 = 2,
PIN_KDF_UNKNOWN = 0xff
} pin_kdf_version_t;
#define PIN_KDF_DEFAULT_VERSION PIN_KDF_V2
extern int ct_memcmp(const void *a, const void *b, size_t n);
// Newer and safe functions
extern void derive_kbase(uint8_t kbase[32]);
@@ -46,8 +54,8 @@ extern void pin_derive_kenc(const uint8_t pin_token[32], uint8_t kenc[32]);
extern void pin_derive_kenc2(const uint8_t pin_token[32], uint8_t kenc[32]);
extern void pin_derive_session(const uint8_t *pin, size_t pin_len, uint8_t pin_token[32]);
extern void pin_derive_verifier(const uint8_t *pin, size_t pin_len, uint8_t verifier[32]);
extern int encrypt_with_aad(const uint8_t key[32], const uint8_t *in_buf, size_t in_len, uint8_t version, uint8_t *out_buf);
extern int decrypt_with_aad(const uint8_t key[32], const uint8_t *in_buf, size_t in_len, uint8_t version, uint8_t *out_buf);
extern int encrypt_with_aad(const uint8_t key[32], const uint8_t *in_buf, size_t in_len, const pin_kdf_version_t version, uint8_t *out_buf);
extern int decrypt_with_aad(const uint8_t key[32], const uint8_t *in_buf, size_t in_len, const pin_kdf_version_t version, uint8_t *out_buf);
extern void double_hash_pin(const uint8_t *pin, uint16_t len, uint8_t output[32]);
extern void hash_multi(const uint8_t *input, uint16_t len, uint8_t output[32]);
extern void hash256(const uint8_t *input, size_t len, uint8_t output[32]);
@@ -59,4 +67,6 @@ extern int aes_decrypt_cfb_256(const uint8_t *key, const uint8_t *iv, uint8_t *d
extern mbedtls_ecp_group_id ec_get_curve_from_prime(const uint8_t *prime, size_t prime_len);
extern uint32_t crc32c(const uint8_t *buf, size_t len);
#define PIN_KDF_SIZE(x) (12 + (x) + 16)
#endif