--- a/src/crypto/random.c
+++ b/src/crypto/random.c
-@@ -48,6 +48,8 @@
+@@ -38,6 +38,8 @@
+ #include "sha1.h"
+ #include "random.h"
+
++#define RANDOM_STAMPFILE "/var/run/.random_available"
++
+ #define POOL_WORDS 32
+ #define POOL_WORDS_MASK (POOL_WORDS - 1)
+ #define POOL_TAP1 26
+@@ -48,6 +50,8 @@
#define EXTRACT_LEN 16
#define MIN_READY_MARK 2
static u32 pool[POOL_WORDS];
static unsigned int input_rotate = 0;
static unsigned int pool_pos = 0;
-@@ -122,7 +124,7 @@ static void random_extract(u8 *out)
+@@ -122,7 +126,7 @@ static void random_extract(u8 *out)
}
{
struct os_time t;
static unsigned int count = 0;
-@@ -335,3 +337,22 @@ void random_deinit(void)
+@@ -191,16 +195,22 @@ int random_get_bytes(void *buf, size_t l
+ int random_pool_ready(void)
+ {
+ #ifdef __linux__
++ struct stat st;
+ int fd;
+ ssize_t res;
+
++ if (stat(RANDOM_STAMPFILE, &st) == 0)
++ return 1;
++
+ /*
+ * Make sure that there is reasonable entropy available before allowing
+ * some key derivation operations to proceed.
+ */
+
+- if (dummy_key_avail == sizeof(dummy_key))
++ if (dummy_key_avail == sizeof(dummy_key)) {
++ random_mark_pool_ready();
+ return 1; /* Already initialized - good to continue */
++ }
+
+ /*
+ * Try to fetch some more data from the kernel high quality
+@@ -232,8 +242,10 @@ int random_pool_ready(void)
+ dummy_key_avail += res;
+ close(fd);
+
+- if (dummy_key_avail == sizeof(dummy_key))
++ if (dummy_key_avail == sizeof(dummy_key)) {
++ random_mark_pool_ready();
+ return 1;
++ }
+
+ wpa_printf(MSG_INFO, "random: Only %u/%u bytes of strong "
+ "random data available from /dev/random",
+@@ -243,6 +255,7 @@ int random_pool_ready(void)
+ total_collected + 10 * own_pool_ready > MIN_COLLECT_ENTROPY) {
+ wpa_printf(MSG_INFO, "random: Allow operation to proceed "
+ "based on internal entropy");
++ random_mark_pool_ready();
+ return 1;
+ }
+
+@@ -258,9 +271,15 @@ int random_pool_ready(void)
+
+ void random_mark_pool_ready(void)
+ {
++ int fd;
++
+ own_pool_ready++;
+ wpa_printf(MSG_DEBUG, "random: Mark internal entropy pool to be "
+ "ready (count=%u/%u)", own_pool_ready, MIN_READY_MARK);
++
++ fd = open(RANDOM_STAMPFILE, O_CREAT | O_WRONLY | O_EXCL | O_NOFOLLOW, 0600);
++ if (fd >= 0)
++ close(fd);
+ }
+
+
+@@ -335,3 +354,22 @@ void random_deinit(void)
random_close_fd();
#endif /* __linux__ */
}
ifeq ($(CONFIG_CTRL_IFACE), y)
--- a/wpa_supplicant/Android.mk
+++ b/wpa_supplicant/Android.mk
-@@ -1102,9 +1102,8 @@ endif
+@@ -1109,9 +1109,8 @@ endif
ifdef CONFIG_NO_RANDOM_POOL
L_CFLAGS += -DCONFIG_NO_RANDOM_POOL