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test the ltc_rng

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This commit is contained in:
Steffen Jaeckel 2015-09-11 00:30:02 +02:00
parent fe7c4e3993
commit fcae7e2c49
1 changed files with 30 additions and 0 deletions
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30
testprof/x86_prof.c
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@ -302,8 +302,23 @@ static void _unregister_all(void)
#endif #endif
} /* _cleanup() */ } /* _cleanup() */
static unsigned long my_test_rng_read;
static unsigned long my_test_rng(unsigned char *buf, unsigned long len,
void (*callback)(void))
{
unsigned long n;
LTC_UNUSED_PARAM(callback);
for (n = 0; n < len; ++n) {
buf[n] = 4;
}
my_test_rng_read += n;
return n;
}
void reg_algs(void) void reg_algs(void)
{ {
unsigned long before;
int err; int err;
atexit(_unregister_all); atexit(_unregister_all);
@ -441,6 +456,21 @@ register_prng(&rc4_desc);
register_prng(&sober128_desc); register_prng(&sober128_desc);
#endif #endif
ltc_rng = my_test_rng;
before = my_test_rng_read;
if ((err = rng_make_prng(128, find_prng("yarrow"), &yarrow_prng, NULL)) != CRYPT_OK) {
fprintf(stderr, "rng_make_prng with 'my_test_rng' failed: %s\n", error_to_string(err));
exit(EXIT_FAILURE);
}
if (before == my_test_rng_read) {
fprintf(stderr, "somehow there was no read from the ltc_rng! %lu == %lu\n", before, my_test_rng_read);
exit(EXIT_FAILURE);
}
ltc_rng = NULL;
if ((err = rng_make_prng(128, find_prng("yarrow"), &yarrow_prng, NULL)) != CRYPT_OK) { if ((err = rng_make_prng(128, find_prng("yarrow"), &yarrow_prng, NULL)) != CRYPT_OK) {
fprintf(stderr, "rng_make_prng failed: %s\n", error_to_string(err)); fprintf(stderr, "rng_make_prng failed: %s\n", error_to_string(err));
exit(EXIT_FAILURE); exit(EXIT_FAILURE);