62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
|
#pragma once
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
struct crypto_key;
|
||
|
|
struct crypto_cipher;
|
||
|
|
struct crypto_hash;
|
||
|
|
|
||
|
|
enum crypto_cipher_type {
|
||
|
|
CRYPTO_CIPHER_INVALID = 0,
|
||
|
|
CRYPTO_CIPHER_AES128_ECB,
|
||
|
|
};
|
||
|
|
|
||
|
|
enum crypto_hash_type {
|
||
|
|
CRYPTO_HASH_INVALID = 0,
|
||
|
|
CRYPTO_HASH_MD5,
|
||
|
|
};
|
||
|
|
|
||
|
|
void crypto_dump_base64(const char* msg, const uint8_t* bytes, size_t len);
|
||
|
|
|
||
|
|
void crypto_cleanup(void);
|
||
|
|
|
||
|
|
// Key generation
|
||
|
|
struct crypto_key* crypto_key_new(int g, const uint8_t *p, uint32_t p_len,
|
||
|
|
const uint8_t* q, uint32_t q_len);
|
||
|
|
void crypto_key_del(struct crypto_key* key);
|
||
|
|
|
||
|
|
int crypto_key_g(const struct crypto_key* key);
|
||
|
|
uint32_t crypto_key_p(const struct crypto_key* key, uint8_t* dst,
|
||
|
|
uint32_t dst_size);
|
||
|
|
uint32_t crypto_key_q(const struct crypto_key* key, uint8_t* dst,
|
||
|
|
uint32_t dst_size);
|
||
|
|
|
||
|
|
struct crypto_key* crypto_keygen(void);
|
||
|
|
|
||
|
|
// Diffie-Hellman
|
||
|
|
struct crypto_key* crypto_derive_public_key(const struct crypto_key* priv);
|
||
|
|
struct crypto_key* crypto_derive_shared_secret(
|
||
|
|
const struct crypto_key* own_secret,
|
||
|
|
const struct crypto_key* remote_public_key);
|
||
|
|
|
||
|
|
// Ciphers
|
||
|
|
struct crypto_cipher* crypto_cipher_new(const uint8_t* key,
|
||
|
|
enum crypto_cipher_type type);
|
||
|
|
void crypto_cipher_del(struct crypto_cipher* self);
|
||
|
|
|
||
|
|
bool crypto_cipher_encrypt(struct crypto_cipher* self, uint8_t* dst,
|
||
|
|
const uint8_t* src, size_t len);
|
||
|
|
bool crypto_cipher_decrypt(struct crypto_cipher* self, uint8_t* dst,
|
||
|
|
const uint8_t* src, size_t len);
|
||
|
|
|
||
|
|
// Hashing
|
||
|
|
struct crypto_hash* crypto_hash_new(enum crypto_hash_type type);
|
||
|
|
void crypto_hash_del(struct crypto_hash* self);
|
||
|
|
|
||
|
|
void crypto_hash_append(struct crypto_hash* self, const uint8_t* src,
|
||
|
|
size_t len);
|
||
|
|
void crypto_hash_digest(struct crypto_hash* self, uint8_t* dst,
|
||
|
|
size_t len);
|