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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, tomstdenis@iahu.ca, http://libtomcrypt.org
*/
#include "mycrypt.h"
int register_cipher(const struct _cipher_descriptor *cipher)
{
int x;
_ARGCHK(cipher != NULL);
/* is it already registered? */
for (x = 0; x < TAB_SIZE; x++) {
if (cipher_descriptor[x].name != NULL && cipher_descriptor[x].ID == cipher->ID) {
return x;
}
}
/* find a blank spot */
for (x = 0; x < TAB_SIZE; x++) {
if (cipher_descriptor[x].name == NULL) {
XMEMCPY(&cipher_descriptor[x], cipher, sizeof(struct _cipher_descriptor));
return x;
}
}
/* no spot */
return -1;
}
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