36 lines
1 KiB
C
36 lines
1 KiB
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_ED25519_SIZE crypto_sign_PUBLICKEYBYTES /* 32, size for signature keys */
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#define SK_ED25519_SIZE crypto_sign_SECRETKEYBYTES /* 64 */
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#define PK_X25519_SIZE crypto_kx_PUBLICKEYBYTES /* 32, size for key exchange keys */
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#define SK_X25519_SIZE crypto_kx_PUBLICKEYBYTES /* same with public key */
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#define PK_DATA_SIZE PK_ED25519_SIZE + MAX_NAME + TIME_SIZE
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#define PK_SIZE PK_DATA_SIZE + SIGN_SIZE /* Size with signature */
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#define SK_SIZE SK_ED25519_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_ED25519_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 keypair_t {
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public_key pk;
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uint8_t sk[SK_SIZE];
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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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uint8_t *get_pk_from_ks(char *username);
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#endif
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