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55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
#ifndef LLARP_CRYPTO_H_
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#define LLARP_CRYPTO_H_
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#include <llarp/buffer.h>
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#include <stdbool.h>
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#include <stdint.h>
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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 32
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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 HMACSECSIZE 32
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#define SIGSIZE 64
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#define TUNNOUNCESIZE 32
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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_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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struct llarp_keypair {
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llarp_pubkey_t pub;
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llarp_seckey_t sec;
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};
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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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struct llarp_crypto {
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bool (*xchacha20)(llarp_buffer_t, llarp_sharedkey_t, llarp_nounce_t);
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llarp_dh_func dh_client;
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llarp_dh_func dh_server;
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bool (*hash)(llarp_hash_t *, llarp_buffer_t);
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bool (*hmac)(llarp_hash_t *, llarp_buffer_t, llarp_hmacsec_t);
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bool (*sign)(llarp_sig_t *, llarp_seckey_t, llarp_buffer_t);
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bool (*verify)(llarp_pubkey_t, llarp_buffer_t, llarp_sig_t);
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void (*randomize)(llarp_buffer_t);
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void (*keygen)(struct llarp_keypair *);
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};
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void llarp_crypto_libsodium_init(struct llarp_crypto *c);
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#ifdef __cplusplus
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}
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#endif
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#endif
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