chore: checkpoint before Python removal

vendor/ctr/tests/ctr32/mod.rs

@@ -0,0 +1,9 @@
+//! Counter Mode with a 32-bit counter.
+//!
+//! NOTE: AES-128-CTR test vectors used by these tests were generated by first
+//! integration testing the implementation in the contexts of AES-GCM and
+//! AES-GCM-SIV, with the former tested against the NIST CAVS vectors, and the
+//! latter against the RFC8452 test vectors.
+
+mod be;
+mod le;