Implement Default for state

src/blake2.rs

@@ -283,6 +283,12 @@ macro_rules! blake2_impl {
             }
         }
 
+        impl Default for $state {
+            fn default() -> Self {
+                Self::new($bytes)
+            }
+        }
+
         #[cfg(feature = "std")]
         impl io::Write for $state {
             fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -354,7 +360,7 @@ macro_rules! blake2_selftest_impl {
 }
 
 macro_rules! blake2_bench_impl {
-    ($state:ident, $bytes:expr) => {
+    ($state:ident) => {
         #[cfg(all(feature = "bench", test))]
         mod bench {
             use std::iter::repeat;
@@ -372,7 +378,7 @@ macro_rules! blake2_bench_impl {
 
                 b.bytes = bytes as u64;
                 b.iter(|| {
-                    let mut state = $state::new($bytes);
+                    let mut state = $state::default();
                     state.update(&data[..]);
                     state.finalize()
                 })

src/blake2b.rs

@@ -50,7 +50,7 @@ blake2_selftest_impl!(Blake2b, blake2b, [
     0x7F, 0x5E, 0x76, 0x5A, 0x7B, 0xCC, 0xD4, 0x75,
 ], [ 20, 32, 48, 64 ], [ 0, 3, 128, 129, 255, 1024 ]);
 
-blake2_bench_impl!(Blake2b, 64);
+blake2_bench_impl!(Blake2b);
 
 #[cfg(test)]
 mod tests {
@@ -69,6 +69,13 @@ mod tests {
             .unwrap()[..]);
     }
 
+    #[test]
+    fn test_default() {
+        assert_eq!(&Blake2b::default().finalize(), &HEXUPPER.decode(
+            b"786A02F742015903C6C6FD852552D272912F4740E15847618A86E217F71F5419D25E1031AFEE585313896444934EB04B903A685B1448B755D56F701AFE9BE2CE")
+            .unwrap()[..]);
+    }
+
     #[test]
     fn selftest() {
         super::selftest();

src/blake2s.rs

@@ -48,7 +48,7 @@ blake2_selftest_impl!(Blake2s, blake2s, [
     0xFB, 0xDC, 0x88, 0x79, 0x7F, 0x4C, 0x1D, 0xFE,
 ], [ 16, 20, 28, 32 ], [ 0,  3,  64, 65, 255, 1024 ]);
 
-blake2_bench_impl!(Blake2s, 32);
+blake2_bench_impl!(Blake2s);
 
 #[cfg(test)]
 mod tests {
@@ -67,6 +67,13 @@ mod tests {
             .unwrap()[..]);
     }
 
+    #[test]
+    fn test_default() {
+        assert_eq!(&Blake2s::default().finalize(), &HEXUPPER.decode(
+            b"69217A3079908094E11121D042354A7C1F55B6482CA1A51E1B250DFD1ED0EEF9")
+            .unwrap()[..]);
+    }
+
     #[test]
     fn selftest() {
         super::selftest();