| /* 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. |
| * |
| * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com |
| */ |
| |
| /* 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 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 |
| /* $Source: /cvs/libtom/libtomcrypt/src/pk/ecc/ecc_get_size.c,v $ */ |
| /* $Revision: 1.4 $ */ |
| /* $Date: 2006/11/21 00:10:18 $ */ |
| |