30 lines
747 B
C
30 lines
747 B
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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#include "tomcrypt_private.h"
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/**
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@file crypt_find_cipher.c
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Find a cipher in the descriptor tables, Tom St Denis
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*/
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/**
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Find a registered cipher by name
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@param name The name of the cipher to look for
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@return >= 0 if found, -1 if not present
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*/
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int find_cipher(const char *name)
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{
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int x;
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LTC_ARGCHK(name != NULL);
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LTC_MUTEX_LOCK(<c_cipher_mutex);
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for (x = 0; x < TAB_SIZE; x++) {
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if (cipher_descriptor[x].name != NULL && !XSTRCMP(cipher_descriptor[x].name, name)) {
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LTC_MUTEX_UNLOCK(<c_cipher_mutex);
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return x;
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}
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}
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LTC_MUTEX_UNLOCK(<c_cipher_mutex);
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return -1;
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}
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