Mercurial > dropbear
view libtomcrypt/src/pk/ecc/ecc_get_size.c @ 1468:b528e3753af4
define CLOCK_MONOTONIC if needed
author | Matt Johnston <matt@ucc.asn.au> |
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date | Thu, 08 Feb 2018 22:07:59 +0800 |
parents | f849a5ca2efc |
children | 6dba84798cd5 |
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/* 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, [email protected], http://libtom.org */ /* 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 /* $Source$ */ /* $Revision$ */ /* $Date$ */