1 #ifndef DROPBEAR_DROPBEAR_ECC_H 2 #define DROPBEAR_DROPBEAR_ECC_H 3 4 #include "includes.h" 5 6 #include "buffer.h" 7 8 #if DROPBEAR_ECC 9 10 struct dropbear_ecc_curve { 11 int ltc_size; /* to match the byte sizes in ltc_ecc_sets[] */ 12 const ltc_ecc_set_type *dp; /* curve domain parameters */ 13 const struct ltc_hash_descriptor *hash_desc; 14 const char *name; 15 }; 16 17 extern struct dropbear_ecc_curve ecc_curve_nistp256; 18 extern struct dropbear_ecc_curve ecc_curve_nistp384; 19 extern struct dropbear_ecc_curve ecc_curve_nistp521; 20 extern struct dropbear_ecc_curve *dropbear_ecc_curves[]; 21 22 void dropbear_ecc_fill_dp(void); 23 struct dropbear_ecc_curve* curve_for_dp(const ltc_ecc_set_type *dp); 24 25 /* "pubkey" refers to a point, but LTC uses ecc_key structure for both public 26 and private keys */ 27 void buf_put_ecc_raw_pubkey_string(buffer *buf, ecc_key *key); 28 ecc_key * buf_get_ecc_raw_pubkey(buffer *buf, const struct dropbear_ecc_curve *curve); 29 int buf_get_ecc_privkey_string(buffer *buf, ecc_key *key); 30 31 mp_int * dropbear_ecc_shared_secret(ecc_key *pub_key, const ecc_key *priv_key); 32 33 #endif 34 35 #endif /* DROPBEAR_DROPBEAR_ECC_H */ 36