1 files changed, 0 insertions, 130 deletions
diff --git a/unix/uxnoise.c b/unix/uxnoise.c
deleted file mode 100644
index 0fbf8c4d..00000000
--- a/unix/uxnoise.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * Noise generation for PuTTY's cryptographic random number
- * generator.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-
-#include "putty.h"
-#include "ssh.h"
-#include "storage.h"
-
-static bool read_dev_urandom(char *buf, int len)
-{
-    int fd;
-    int ngot, ret;
-
-    fd = open("/dev/urandom", O_RDONLY);
-    if (fd < 0)
-        return false;
-
-    ngot = 0;
-    while (ngot < len) {
-        ret = read(fd, buf+ngot, len-ngot);
-        if (ret < 0) {
-            close(fd);
-            return false;
-        }
-        ngot += ret;
-    }
-
-    close(fd);
-
-    return true;
-}
-
-/*
- * This function is called once, at PuTTY startup. It will do some
- * slightly silly things such as fetching an entire process listing
- * and scanning /tmp, load the saved random seed from disk, and
- * also read 32 bytes out of /dev/urandom.
- */
-
-void noise_get_heavy(void (*func) (void *, int))
-{
-    char buf[512];
-    FILE *fp;
-    int ret;
-    bool got_dev_urandom = false;
-
-    if (read_dev_urandom(buf, 32)) {
-        got_dev_urandom = true;
-        func(buf, 32);
-    }
-
-    fp = popen("ps -axu 2>/dev/null", "r");
-    if (fp) {
-        while ( (ret = fread(buf, 1, sizeof(buf), fp)) > 0)
-            func(buf, ret);
-        pclose(fp);
-    } else if (!got_dev_urandom) {
-        fprintf(stderr, "popen: %s\n"
-                "Unable to access fallback entropy source\n", strerror(errno));
-        exit(1);
-    }
-
-    fp = popen("ls -al /tmp 2>/dev/null", "r");
-    if (fp) {
-        while ( (ret = fread(buf, 1, sizeof(buf), fp)) > 0)
-            func(buf, ret);
-        pclose(fp);
-    } else if (!got_dev_urandom) {
-        fprintf(stderr, "popen: %s\n"
-                "Unable to access fallback entropy source\n", strerror(errno));
-        exit(1);
-    }
-
-    read_random_seed(func);
-}
-
-/*
- * This function is called on a timer, and grabs as much changeable
- * system data as it can quickly get its hands on.
- */
-void noise_regular(void)
-{
-    int fd;
-    int ret;
-    char buf[512];
-    struct rusage rusage;
-
-    if ((fd = open("/proc/meminfo", O_RDONLY)) >= 0) {
-        while ( (ret = read(fd, buf, sizeof(buf))) > 0)
-            random_add_noise(NOISE_SOURCE_MEMINFO, buf, ret);
-        close(fd);
-    }
-    if ((fd = open("/proc/stat", O_RDONLY)) >= 0) {
-        while ( (ret = read(fd, buf, sizeof(buf))) > 0)
-            random_add_noise(NOISE_SOURCE_STAT, buf, ret);
-        close(fd);
-    }
-    getrusage(RUSAGE_SELF, &rusage);
-    random_add_noise(NOISE_SOURCE_RUSAGE, &rusage, sizeof(rusage));
-}
-
-/*
- * This function is called on every keypress or mouse move, and
- * will add the current time to the noise pool. It gets the scan
- * code or mouse position passed in, and adds that too.
- */
-void noise_ultralight(NoiseSourceId id, unsigned long data)
-{
-    struct timeval tv;
-    gettimeofday(&tv, NULL);
-    random_add_noise(NOISE_SOURCE_TIME, &tv, sizeof(tv));
-    random_add_noise(id, &data, sizeof(data));
-}
-
-uint64_t prng_reseed_time_ms(void)
-{
-    struct timeval tv;
-    gettimeofday(&tv, NULL);
-    return tv.tv_sec * 1000 + tv.tv_usec / 1000;
-}