zsm/include/key.h

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#ifndef KEY_H_
#define KEY_H_
#include <sodium.h>
#include "config.h"
#define TIME_SIZE sizeof(time_t)
#define SIGN_SIZE crypto_sign_BYTES
#define PK_BIN_SIZE crypto_kx_PUBLICKEYBYTES
#define SK_BIN_SIZE crypto_sign_SECRETKEYBYTES
#define METADATA_SIZE MAX_NAME + TIME_SIZE
#define PK_SIZE PK_BIN_SIZE + METADATA_SIZE + SIGN_SIZE
#define SK_SIZE SK_BIN_SIZE + METADATA_SIZE + SIGN_SIZE
#define SHARED_SIZE crypto_kx_SESSIONKEYBYTES
typedef struct public_key {
uint8_t bin[PK_BIN_SIZE];
uint8_t username[MAX_NAME];
time_t creation;
uint8_t signature[SIGN_SIZE];
} public_key;
typedef struct secret_key {
uint8_t bin[SK_BIN_SIZE];
uint8_t username[MAX_NAME];
time_t creation;
uint8_t signature[SIGN_SIZE];
} secret_key;
typedef struct key_pair {
public_key pk;
secret_key sk;
} key_pair;
key_pair *create_key_pair(char *username);
key_pair *get_key_pair(char *username);
#endif