release/src/router/dropbear/ecc.h

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