Initial commit

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

src/change_cipher_spec.rs

@@ -0,0 +1,35 @@
+use crate::ProtocolError;
+use crate::buffer::CryptoBuffer;
+use crate::parse_buffer::ParseBuffer;
+
+#[derive(Debug, Copy, Clone)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
+pub struct ChangeCipherSpec {}
+
+#[allow(clippy::unnecessary_wraps)]
+impl ChangeCipherSpec {
+    pub fn new() -> Self {
+        Self {}
+    }
+
+    pub fn read(_rx_buf: &mut [u8]) -> Result<Self, ProtocolError> {
+        Ok(Self {})
+    }
+
+    #[allow(dead_code)]
+    pub fn parse(_: &mut ParseBuffer) -> Result<Self, ProtocolError> {
+        Ok(Self {})
+    }
+
+    #[allow(dead_code, clippy::unused_self)]
+    pub(crate) fn encode(self, buf: &mut CryptoBuffer<'_>) -> Result<(), ProtocolError> {
+        buf.push(1).map_err(|_| ProtocolError::EncodeError)?;
+        Ok(())
+    }
+}
+
+impl Default for ChangeCipherSpec {
+    fn default() -> Self {
+        ChangeCipherSpec::new()
+    }
+}