Overview
| Comment: | switch from syscall to getrandom |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
6b3b3fa87f45e77ca4ac432e1be5e5f3 |
| User & Date: | lexi on 2019-07-19 11:47:45 |
| Other Links: | manifest | tags |
Context
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2019-07-19
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| 11:50 | fix static assert check-in: da3eccdcfa user: lexi tags: trunk | |
| 11:47 | switch from syscall to getrandom check-in: 6b3b3fa87f user: lexi tags: trunk | |
| 11:34 | add mkpw check-in: 42ea2c7296 user: lexi tags: trunk | |
Changes
Modified mkpw.c from [a0f03f1e22] to [2857320b30].
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* → mkpw is unlikely to be portable to non-POSIX
* systems, but should run fine on Linux as well
* as BSDs with getrandom() support.
*/
#include <unistd.h>
#include <sys/random.h>
#include <stddef.h>
#include <stdint.h>
#include <string.h>
#define sz(a) ( sizeof (a) / sizeof (a) [0] )
#define say(x) (write(2, (x), sizeof (x)))
#ifdef _CLIPBOARD
................................................................................
char buf[len+1];
/* *buf = 0; */
unsigned char noise[len];
for (size_t i = 0; i<q; ++i) {
unsigned char* cur = noise;
getrandom(noise, len, 0);
for(char* ptr = buf; ptr < buf + len; ++ptr, ++cur) {
*ptr = tbl[*cur % chars]; /* such a waste of entropy… :( */
}
buf[len] = '\n';
write(1, buf, len + 1);
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* → mkpw is unlikely to be portable to non-POSIX * systems, but should run fine on Linux as well * as BSDs with getrandom() support. */ #include <unistd.h> #include <sys/random.h> #include <sys/syscall.h> #include <stddef.h> #include <stdint.h> #include <string.h> #define sz(a) ( sizeof (a) / sizeof (a) [0] ) #define say(x) (write(2, (x), sizeof (x))) #ifdef _CLIPBOARD ................................................................................ char buf[len+1]; /* *buf = 0; */ unsigned char noise[len]; for (size_t i = 0; i<q; ++i) { unsigned char* cur = noise; syscall(SYS_getrandom, noise, len, 0); /* getrandom(noise, len, 0); // android doesnt like it */ for(char* ptr = buf; ptr < buf + len; ++ptr, ++cur) { *ptr = tbl[*cur % chars]; /* such a waste of entropy… :( */ } buf[len] = '\n'; write(1, buf, len + 1); |