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