2018-01-25 16:24:33 +00:00
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#ifndef LLARP_CRYPTO_H_
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#define LLARP_CRYPTO_H_
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#include <llarp/buffer.h>
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2018-04-05 14:43:16 +00:00
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#include <llarp/common.h>
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2018-01-25 16:24:33 +00:00
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#include <stdbool.h>
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#include <stdint.h>
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2018-01-25 16:24:33 +00:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define PUBKEYSIZE 32
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#define SECKEYSIZE 64
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#define NOUNCESIZE 24
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#define SHAREDKEYSIZE 32
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#define HASHSIZE 64
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#define SHORTHASHSIZE 32
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#define HMACSECSIZE 32
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#define SIGSIZE 64
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#define TUNNOUNCESIZE 32
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#define HMACSIZE 64
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2018-01-29 14:27:24 +00:00
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typedef uint8_t llarp_pubkey_t[PUBKEYSIZE];
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typedef uint8_t llarp_seckey_t[SECKEYSIZE];
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typedef uint8_t llarp_nounce_t[NOUNCESIZE];
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typedef uint8_t llarp_sharedkey_t[SHAREDKEYSIZE];
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typedef uint8_t llarp_hash_t[HASHSIZE];
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typedef uint8_t llarp_shorthash_t[SHORTHASHSIZE];
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typedef uint8_t llarp_hmac_t[HMACSIZE];
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typedef uint8_t llarp_hmacsec_t[HMACSECSIZE];
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typedef uint8_t llarp_sig_t[SIGSIZE];
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typedef uint8_t llarp_tunnel_nounce_t[TUNNOUNCESIZE];
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2018-01-25 16:24:33 +00:00
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2018-04-04 16:10:27 +00:00
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static INLINE uint8_t *llarp_seckey_topublic(llarp_seckey_t k) {
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return k + 32;
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}
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2018-02-01 22:34:04 +00:00
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2018-02-01 13:21:00 +00:00
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typedef bool (*llarp_dh_func)(llarp_sharedkey_t *, llarp_pubkey_t,
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llarp_tunnel_nounce_t, llarp_seckey_t);
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2018-05-18 16:08:47 +00:00
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2018-05-18 20:08:57 +00:00
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typedef bool (*llarp_transport_dh_func)(uint8_t *, uint8_t *,
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uint8_t *, uint8_t *);
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typedef bool (*llarp_sym_cipher_func)(llarp_buffer_t, llarp_sharedkey_t,
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llarp_nounce_t);
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typedef bool (*llarp_hash_func)(llarp_hash_t *, llarp_buffer_t);
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2018-05-18 16:08:47 +00:00
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typedef bool (*llarp_shorthash_func)(llarp_shorthash_t *, llarp_buffer_t);
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typedef bool (*llarp_hmac_func)(llarp_hmac_t *, llarp_buffer_t,
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llarp_hmacsec_t);
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typedef bool (*llarp_sign_func)(uint8_t *, llarp_seckey_t, llarp_buffer_t);
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2018-01-31 19:59:26 +00:00
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2018-02-01 22:04:58 +00:00
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typedef bool (*llarp_verify_func)(llarp_pubkey_t, llarp_buffer_t, llarp_sig_t);
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struct llarp_crypto {
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llarp_sym_cipher_func xchacha20;
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llarp_dh_func dh_client;
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llarp_dh_func dh_server;
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llarp_transport_dh_func transport_dh_client;
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llarp_transport_dh_func transport_dh_server;
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llarp_hash_func hash;
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llarp_shorthash_func shorthash;
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llarp_hmac_func hmac;
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llarp_sign_func sign;
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llarp_verify_func verify;
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void (*randomize)(llarp_buffer_t);
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void (*randbytes)(void *, size_t);
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void (*keygen)(uint8_t *);
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};
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2018-01-25 16:24:33 +00:00
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2018-01-29 14:27:24 +00:00
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void llarp_crypto_libsodium_init(struct llarp_crypto *c);
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2018-01-25 16:24:33 +00:00
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2018-05-18 16:08:47 +00:00
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bool llarp_crypto_initialized(struct llarp_crypto * c);
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2018-01-25 16:24:33 +00:00
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#ifdef __cplusplus
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}
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#endif
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2018-01-29 14:27:24 +00:00
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2018-01-25 16:24:33 +00:00
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#endif
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