blob: 1b14a33dbc83f29dbab0c675f072653fe33d901b [file] [log] [blame]
/* 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_prng(const struct _prng_descriptor *prng)
{
int x;
_ARGCHK(prng != NULL);
/* is it already registered? */
for (x = 0; x < TAB_SIZE; x++) {
if (memcmp(&prng_descriptor[x], prng, sizeof(struct _prng_descriptor)) == 0) {
return x;
}
}
/* find a blank spot */
for (x = 0; x < TAB_SIZE; x++) {
if (prng_descriptor[x].name == NULL) {
memcpy(&prng_descriptor[x], prng, sizeof(struct _prng_descriptor));
return x;
}
}
/* no spot */
return -1;
}