From d94347449f4dfdc4f43d15249e016eacdb01f11f Mon Sep 17 00:00:00 2001
From: Justin Smith <justsmth@amazon.com>
Date: Thu, 6 Feb 2025 13:02:53 -0500
Subject: [PATCH] Remove unused code

---
 aws-lc-rs/src/bn.rs           | 14 --------------
 aws-lc-rs/src/unstable.rs     | 11 -----------
 aws-lc-rs/src/unstable/kdf.rs | 11 -----------
 aws-lc-rs/src/unstable/kem.rs | 31 -------------------------------
 4 files changed, 67 deletions(-)
 delete mode 100644 aws-lc-rs/src/unstable/kdf.rs
 delete mode 100644 aws-lc-rs/src/unstable/kem.rs

diff --git a/aws-lc-rs/src/bn.rs b/aws-lc-rs/src/bn.rs
index 6b54192b0ec..d84e0639959 100644
--- a/aws-lc-rs/src/bn.rs
+++ b/aws-lc-rs/src/bn.rs
@@ -13,20 +13,6 @@ impl TryFrom<&[u8]> for LcPtr<BIGNUM> {
     }
 }
 
-impl TryFrom<u64> for LcPtr<BIGNUM> {
-    type Error = ();
-
-    fn try_from(value: u64) -> Result<Self, Self::Error> {
-        unsafe {
-            let mut bn = LcPtr::new(BN_new())?;
-            if 1 != BN_set_u64(*bn.as_mut(), value) {
-                return Err(());
-            }
-            Ok(bn)
-        }
-    }
-}
-
 impl TryFrom<&[u8]> for DetachableLcPtr<BIGNUM> {
     type Error = ();
 
diff --git a/aws-lc-rs/src/unstable.rs b/aws-lc-rs/src/unstable.rs
index e608608cc4e..566a4083fea 100644
--- a/aws-lc-rs/src/unstable.rs
+++ b/aws-lc-rs/src/unstable.rs
@@ -4,16 +4,5 @@
 #![cfg(feature = "unstable")]
 #![allow(missing_docs)]
 
-//! Unstable aws-lc-rs features.
-//!
-//! # ⚠️ Warning
-//! Features contained within this module, or child modules are subject to changes, relocation,
-//! or removal across minor releases, and thus are not subject to semantic versioning policies.
-#[deprecated(note = "use  `aws_lc_rs::kdf` instead")]
-pub mod kdf;
-
-#[deprecated(note = "use `aws_lc_rs::kem` instead")]
-pub mod kem;
-
 #[cfg(not(feature = "fips"))]
 pub mod signature;
diff --git a/aws-lc-rs/src/unstable/kdf.rs b/aws-lc-rs/src/unstable/kdf.rs
deleted file mode 100644
index 83c7dcde947..00000000000
--- a/aws-lc-rs/src/unstable/kdf.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
- * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
- * SPDX-License-Identifier: Apache-2.0 OR ISC
- */
-
-#[deprecated(note = "use `aws_lc_rs::kdf` instead")]
-pub use crate::kdf::{
-    get_kbkdf_ctr_hmac_algorithm, get_sskdf_digest_algorithm, get_sskdf_hmac_algorithm,
-    kbkdf_ctr_hmac, sskdf_digest, sskdf_hmac, KbkdfCtrHmacAlgorithm, KbkdfCtrHmacAlgorithmId,
-    SskdfDigestAlgorithm, SskdfDigestAlgorithmId, SskdfHmacAlgorithm, SskdfHmacAlgorithmId,
-};
diff --git a/aws-lc-rs/src/unstable/kem.rs b/aws-lc-rs/src/unstable/kem.rs
deleted file mode 100644
index 2facb2888d2..00000000000
--- a/aws-lc-rs/src/unstable/kem.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
-// SPDX-License-Identifier: Apache-2.0 OR ISC
-
-use core::fmt::Debug;
-
-use crate::kem::Algorithm;
-
-#[deprecated(note = "use aws_lc_rs::kem::{ML_KEM_512, ML_KEM_768, ML_KEM_1024}")]
-pub use crate::kem::{ML_KEM_1024, ML_KEM_512, ML_KEM_768};
-
-#[non_exhaustive]
-#[derive(Clone, Copy, Debug, PartialEq)]
-pub enum AlgorithmId {}
-
-impl crate::kem::AlgorithmIdentifier for AlgorithmId {
-    #[inline]
-    fn nid(self) -> i32 {
-        unreachable!("There are no AlgorithmIds")
-    }
-}
-
-impl crate::sealed::Sealed for AlgorithmId {}
-
-/// Retrieve an unstable KEM [`Algorithm`] using the [`AlgorithmId`] specified by `id`.
-/// May return [`None`] if support for the algorithm has been removed from the unstable module.
-/// # ⚠️ Warning
-/// This function currently only returns [`None`].
-#[must_use]
-pub const fn get_algorithm(_id: AlgorithmId) -> Option<&'static Algorithm<AlgorithmId>> {
-    None
-}