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add EGD/PRNGD support

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@19997 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2007-01-20 20:15:28 +00:00
parent c0b88c68eb
commit d71e77f64b
6 changed files with 283 additions and 3 deletions
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30
lib/des/rand.c
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@@ -40,12 +40,13 @@ RCSID("$Id$");
#include <stdio.h>
#include <stdlib.h>
#include <rand.h>
#include <randi.h>
#include <roken.h>
extern RAND_METHOD hc_rand_fortuna_method;
extern RAND_METHOD hc_rand_unix_method;
static const RAND_METHOD *selected_meth = &hc_rand_unix_method;
static const RAND_METHOD *selected_meth = &hc_rand_fortuna_method;
void
RAND_seed(const void *indata, size_t size)
@@ -117,5 +118,32 @@ RAND_write_file(const char *filename)
int
RAND_egd(const char *filename)
{
return RAND_egd_bytes(filename, 128);
}
int
RAND_egd_bytes(const char *filename, int size)
{
void *data;
int ret;
if (size <= 0)
return 0;
data = malloc(size);
if (data == NULL)
return 0;
ret = _hc_rand_egd_bytes(filename, data, size);
if (ret != 1) {
free(data);
return ret;
}
RAND_seed(data, size);
memset(data, 0, sizeof(data));
free(data);
return 1;
}