41 lines
948 B
C
41 lines
948 B
C
#ifndef KEY_H_
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#define KEY_H_
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#include <sodium.h>
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#include "config.h"
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#define TIME_SIZE sizeof(time_t)
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#define SIGN_SIZE crypto_sign_BYTES
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#define PK_RAW_SIZE crypto_kx_PUBLICKEYBYTES
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#define SK_RAW_SIZE crypto_sign_SECRETKEYBYTES
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#define METADATA_SIZE MAX_NAME + TIME_SIZE
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#define PK_SIZE PK_RAW_SIZE + METADATA_SIZE + SIGN_SIZE
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#define SK_SIZE SK_RAW_SIZE + METADATA_SIZE + SIGN_SIZE
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#define SHARED_KEY_SIZE crypto_kx_SESSIONKEYBYTES
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typedef struct public_key {
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uint8_t raw[PK_RAW_SIZE];
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uint8_t username[MAX_NAME];
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time_t creation;
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uint8_t signature[SIGN_SIZE];
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uint8_t full[PK_SIZE];
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} public_key;
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typedef struct secret_key {
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uint8_t raw[SK_RAW_SIZE];
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uint8_t username[MAX_NAME];
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time_t creation;
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uint8_t signature[SIGN_SIZE];
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uint8_t full[SK_SIZE];
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} secret_key;
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typedef struct keypair_t {
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public_key pk;
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secret_key sk;
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} keypair_t;
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keypair_t *create_keypair(char *username);
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keypair_t *get_keypair(char *username);
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#endif
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