initial import of main veilid core

veilid-core/src/veilid_rng.rs

@@ -0,0 +1,28 @@
+use crate::*;
+
+use rand::{CryptoRng, Error, RngCore};
+
+#[derive(Clone, Copy, Debug, Default)]
+pub struct VeilidRng;
+
+impl CryptoRng for VeilidRng {}
+
+impl RngCore for VeilidRng {
+    fn next_u32(&mut self) -> u32 {
+        intf::get_random_u32()
+    }
+
+    fn next_u64(&mut self) -> u64 {
+        intf::get_random_u64()
+    }
+
+    fn fill_bytes(&mut self, dest: &mut [u8]) {
+        if let Err(e) = self.try_fill_bytes(dest) {
+            panic!("Error: {}", e);
+        }
+    }
+
+    fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
+        intf::random_bytes(dest).map_err(|err| Error::new(err))
+    }
+}