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author | Matt Johnston <matt@ucc.asn.au> | 2007-01-11 03:14:55 +0000 |
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committer | Matt Johnston <matt@ucc.asn.au> | 2007-01-11 03:14:55 +0000 |
commit | 68efaf4fb3d1cca475eee7ff15d6abb71a48cf88 (patch) | |
tree | 6dacbff2e9f5c60a1568382db55c72dd6d2ce925 /libtomcrypt/src/pk/ecc/ecc_sizes.c | |
parent | 0e9e709195eb6421f80d4c62fe66e43ae3ac2422 (diff) | |
parent | 4ebcb4da9b179c9bc735698414524ccda5932568 (diff) | |
download | dropbear-68efaf4fb3d1cca475eee7ff15d6abb71a48cf88.tar.gz |
propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 2af95f00ebd5bb7a28b3817db1218442c935388e)
to branch 'au.asn.ucc.matt.dropbear' (head ecd779509ef23a8cdf64888904fc9b31d78aa933)
Diffstat (limited to 'libtomcrypt/src/pk/ecc/ecc_sizes.c')
-rw-r--r-- | libtomcrypt/src/pk/ecc/ecc_sizes.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libtomcrypt/src/pk/ecc/ecc_sizes.c b/libtomcrypt/src/pk/ecc/ecc_sizes.c new file mode 100644 index 0000000..f4b2d82 --- /dev/null +++ b/libtomcrypt/src/pk/ecc/ecc_sizes.c @@ -0,0 +1,48 @@ +/* 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_sizes.c + ECC Crypto, Tom St Denis +*/ + +#ifdef MECC + +void ecc_sizes(int *low, int *high) +{ + int i; + LTC_ARGCHKVD(low != NULL); + LTC_ARGCHKVD(high != NULL); + + *low = INT_MAX; + *high = 0; + for (i = 0; ltc_ecc_sets[i].size != 0; i++) { + if (ltc_ecc_sets[i].size < *low) { + *low = ltc_ecc_sets[i].size; + } + if (ltc_ecc_sets[i].size > *high) { + *high = ltc_ecc_sets[i].size; + } + } +} + +#endif +/* $Source: /cvs/libtom/libtomcrypt/src/pk/ecc/ecc_sizes.c,v $ */ +/* $Revision: 1.4 $ */ +/* $Date: 2006/06/09 01:38:14 $ */ + |