Replace all random functions with isc_random, isc_random_buf and isc_random_uniform API.

The three functions has been modeled after the arc4random family of
functions, and they will always return random bytes.

The isc_random family of functions internally use these CSPRNG (if available):

1. getrandom() libc call (might be available on Linux and Solaris)
2. SYS_getrandom syscall (might be available on Linux, detected at runtime)
3. arc4random(), arc4random_buf() and arc4random_uniform() (available on BSDs and Mac OS X)
4. crypto library function:
4a. RAND_bytes in case OpenSSL
4b. pkcs_C_GenerateRandom() in case PKCS#11 library
This commit is contained in:
Ondřej Surý
2018-04-22 14:56:28 +02:00
committed by Witold Kręcicki
parent 74dd289a1c
commit 3a4f820d62
115 changed files with 406 additions and 4912 deletions

View File

@@ -14,7 +14,6 @@
#include <config.h>
#include <isc/buffer.h>
#include <isc/entropy.h>
#include <isc/hash.h>
#include <isc/log.h>
#include <isc/mem.h>
@@ -45,7 +44,6 @@ typedef struct {
#define ZONECHANGE_SENTINEL { 0, NULL, 0, NULL, NULL }
extern isc_mem_t *mctx;
extern isc_entropy_t *ectx;
extern isc_log_t *lctx;
extern isc_taskmgr_t *taskmgr;
extern isc_task_t *maintask;