Mercurial > dropbear
view libtomcrypt/src/misc/crypt/crypt_hash_is_valid.c @ 382:0cbe8f6dbf9e
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
to branch 'au.asn.ucc.matt.dropbear' (head 02c413252c90e9de8e03d91e9939dde3029f5c0a)
author | Matt Johnston <matt@ucc.asn.au> |
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date | Thu, 11 Jan 2007 02:41:05 +0000 |
parents | 1b9e69c058d2 |
children | f849a5ca2efc |
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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://libtomcrypt.com */ #include "tomcrypt.h" /** @file crypt_hash_is_valid.c Determine if hash is valid, Tom St Denis */ /* Test if a hash index is valid @param idx The index of the hash to search for @return CRYPT_OK if valid */ int hash_is_valid(int idx) { LTC_MUTEX_LOCK(<c_hash_mutex); if (idx < 0 || idx >= TAB_SIZE || hash_descriptor[idx].name == NULL) { LTC_MUTEX_UNLOCK(<c_hash_mutex); return CRYPT_INVALID_HASH; } LTC_MUTEX_UNLOCK(<c_hash_mutex); return CRYPT_OK; } /* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_hash_is_valid.c,v $ */ /* $Revision: 1.5 $ */ /* $Date: 2006/03/31 14:15:35 $ */