crypto.h

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#ifndef __BT_CRYPTO_H__
#define __BT_CRYPTO_H__
 
#include <stdint.h>
#include <stddef.h>
 
void bt_aes_encrypt(const uint8_t key[16], const uint8_t in[16], uint8_t out[16]);
void bt_cmac(const uint8_t key[16], const uint8_t* msg, size_t len, uint8_t mac[16]);
 
/* SMP inputs are little-endian on the air (first octet is least significant). */
void bt_e(const uint8_t k[16], uint8_t r[16]);
void bt_c1(const uint8_t k[16], const uint8_t r[16], const uint8_t preq[7], const uint8_t pres[7],
           uint8_t iat, const uint8_t ia[6], uint8_t rat, const uint8_t ra[6], uint8_t res[16]);
void bt_s1(const uint8_t k[16], const uint8_t r1[16], const uint8_t r2[16], uint8_t out[16]);
void bt_ah(const uint8_t irk[16], const uint8_t r[3], uint8_t out[3]);
void bt_f4(const uint8_t u[32], const uint8_t v[32], const uint8_t x[16], uint8_t z, uint8_t res[16]);
void bt_f5(const uint8_t w[32], const uint8_t n1[16], const uint8_t n2[16], const uint8_t a1[7],
           const uint8_t a2[7], uint8_t mackey[16], uint8_t ltk[16]);
void bt_f6(const uint8_t w[16], const uint8_t n1[16], const uint8_t n2[16], const uint8_t r[16],
           const uint8_t io_cap[3], const uint8_t a1[7], const uint8_t a2[7], uint8_t res[16]);
uint32_t bt_g2(const uint8_t u[32], const uint8_t v[32], const uint8_t x[16], const uint8_t y[16]);
 
/* Scalar and coordinates are big-endian (first octet is most significant). */
int bt_p256_mul_g(const uint8_t scalar[32], uint8_t x[32], uint8_t y[32]);
int bt_p256_dh(const uint8_t scalar[32], const uint8_t px[32], const uint8_t py[32], uint8_t outx[32]);
 
void bt_rev(const uint8_t* in, uint8_t* out, size_t n);
 
#endif