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simplesshd/dropbear/ecc.h
2014-12-10 16:56:49 -05:00

37 lines
1.1 KiB
C

#ifndef _DROPBEAR_ECC_H
#define _DROPBEAR_ECC_H
#include "includes.h"
#include "options.h"
#include "buffer.h"
#ifdef DROPBEAR_ECC
struct dropbear_ecc_curve {
int ltc_size; /* to match the byte sizes in ltc_ecc_sets[] */
const ltc_ecc_set_type *dp; /* curve domain parameters */
const struct ltc_hash_descriptor *hash_desc;
const unsigned char *name;
};
extern struct dropbear_ecc_curve ecc_curve_nistp256;
extern struct dropbear_ecc_curve ecc_curve_nistp384;
extern struct dropbear_ecc_curve ecc_curve_nistp521;
extern struct dropbear_ecc_curve *dropbear_ecc_curves[];
void dropbear_ecc_fill_dp();
struct dropbear_ecc_curve* curve_for_dp(const ltc_ecc_set_type *dp);
/* "pubkey" refers to a point, but LTC uses ecc_key structure for both public
and private keys */
void buf_put_ecc_raw_pubkey_string(buffer *buf, ecc_key *key);
ecc_key * buf_get_ecc_raw_pubkey(buffer *buf, const struct dropbear_ecc_curve *curve);
int buf_get_ecc_privkey_string(buffer *buf, ecc_key *key);
mp_int * dropbear_ecc_shared_secret(ecc_key *pub_key, ecc_key *priv_key);
#endif
#endif /* _DROPBEAR_ECC_H */