fish

1 files changed, 24 insertions, 0 deletions

diff --git a/crypto/rng.c b/crypto/rng.c
new file mode 100644
index 0000000..779a106
--- /dev/null
+++ b/crypto/rng.c
@@ -0,0 +1,24 @@
+#include "project.h"
+
+
+
+
+uint8_t random_vector_generate(uint8_t * p_buff, uint8_t size)
+{
+    uint8_t available;
+    uint32_t err_code;
+    err_code = nrf_drv_rng_bytes_available(&available);
+    APP_ERROR_CHECK(err_code);
+    uint8_t length = (size<available) ? size : available;
+    err_code = nrf_drv_rng_rand(p_buff,length);
+    APP_ERROR_CHECK(err_code);
+    return length;
+}
+
+
+void rng_init(void)
+{
+    uint32_t err_code;
+    err_code = nrf_drv_rng_init(NULL);
+    APP_ERROR_CHECK(err_code);
+}