29 lines
720 B
C
29 lines
720 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_id.c
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Find cipher by ID, Tom St Denis
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*/
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/**
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Find a cipher by ID number
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@param ID The ID (not same as index) of the cipher to find
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@return >= 0 if found, -1 if not present
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*/
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int find_cipher_id(unsigned char ID)
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{
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int x;
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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].ID == ID) {
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x = (cipher_descriptor[x].name == NULL) ? -1 : x;
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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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