mirror of
https://github.com/Laupetin/OpenAssetTools.git
synced 2025-04-22 17:15:46 +00:00
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
|
|
*
|
|
* LibTomCrypt is a library that provides various cryptographic
|
|
* algorithms in a highly modular and flexible manner.
|
|
*
|
|
* The library is free for all purposes without any express
|
|
* guarantee it works.
|
|
*/
|
|
|
|
/* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b
|
|
*
|
|
* All curves taken from NIST recommendation paper of July 1999
|
|
* Available at http://csrc.nist.gov/cryptval/dss.htm
|
|
*/
|
|
#include "tomcrypt.h"
|
|
|
|
/**
|
|
@file ecc_get_size.c
|
|
ECC Crypto, Tom St Denis
|
|
*/
|
|
|
|
#ifdef LTC_MECC
|
|
|
|
/**
|
|
Get the size of an ECC key
|
|
@param key The key to get the size of
|
|
@return The size (octets) of the key or INT_MAX on error
|
|
*/
|
|
int ecc_get_size(ecc_key *key)
|
|
{
|
|
LTC_ARGCHK(key != NULL);
|
|
if (ltc_ecc_is_valid_idx(key->idx))
|
|
return key->dp->size;
|
|
else
|
|
return INT_MAX; /* large value known to cause it to fail when passed to ecc_make_key() */
|
|
}
|
|
|
|
#endif
|
|
/* ref: HEAD -> master, tag: v1.18.2 */
|
|
/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
|
|
/* commit time: 2018-07-01 22:49:01 +0200 */
|
|
|