diff options
Diffstat (limited to 'ecc.h')
| -rw-r--r-- | ecc.h | 36 |
1 files changed, 36 insertions, 0 deletions
@@ -0,0 +1,36 @@ +#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
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