inline pad_to_blocks

I like the way with chunks_exact more, as we get the remainder for free
and we don't have to do the chunk.len() dance

1 files changed, 10 insertions, 0 deletions

diff --git a/src/block.rs b/src/block.rs
index e1140e7..2b7907a 100644
--- a/src/block.rs
+++ b/src/block.rs
@@ -94,6 +94,16 @@ impl Block {
         result
     }
 
+    /// Pad the block to full length.
+    ///
+    /// Unlike [`pad`], this function takes the length in bytes.
+    pub fn pad_bytes(&self, length: u8) -> Block {
+        assert!(length <= 15);
+        let mut result = *self;
+        result[length as usize] = 0x80;
+        result
+    }
+
     /// Clip the block by setting all bits beyond the given length to 0.
     pub fn clip(&self, length: usize) -> Block {
         match length {