go-sqlite3-encrypt/crypt_hash_is_valid.c at develop · CovenantSQL/go-sqlite3-encrypt · GitHub

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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.

#include "tomcrypt_private.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(&ltc_hash_mutex);

if (idx < 0 || idx >= TAB_SIZE || hash_descriptor[idx].name == NULL) {

LTC_MUTEX_UNLOCK(&ltc_hash_mutex);

return CRYPT_INVALID_HASH;

}

LTC_MUTEX_UNLOCK(&ltc_hash_mutex);

return CRYPT_OK;

}

/* ref: $Format:%D$ */

/* git commit: $Format:%H$ */

/* commit time: $Format:%ai$ */

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