/* 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: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */