chore(zk): mark non-pke proofs as experimental

Makefile

@@ -462,6 +462,8 @@ clippy_tfhe_csprng: install_rs_check_toolchain
 clippy_zk_pok: install_rs_check_toolchain
 	RUSTFLAGS="$(RUSTFLAGS)" cargo "$(CARGO_RS_CHECK_TOOLCHAIN)" clippy --all-targets \
 		-p tfhe-zk-pok -- --no-deps -D warnings
+	RUSTFLAGS="$(RUSTFLAGS)" cargo "$(CARGO_RS_CHECK_TOOLCHAIN)" clippy --all-targets \
+		-p tfhe-zk-pok --features=experimental -- --no-deps -D warnings
 
 .PHONY: clippy_versionable # Run clippy lints on tfhe-versionable
 clippy_versionable: install_rs_check_toolchain
@@ -993,7 +995,7 @@ test_tfhe_csprng_big_endian: install_rs_build_toolchain install_cargo_cross
 .PHONY: test_zk_pok # Run tfhe-zk-pok tests
 test_zk_pok: install_rs_build_toolchain
 	RUSTFLAGS="$(RUSTFLAGS)" cargo $(CARGO_RS_BUILD_TOOLCHAIN) test --profile $(CARGO_PROFILE) \
-		-p tfhe-zk-pok
+		-p tfhe-zk-pok --features experimental
 
 .PHONY: test_zk_wasm_x86_compat_ci
 test_zk_wasm_x86_compat_ci: check_nvm_installed

tfhe-zk-pok/Cargo.toml

@@ -25,6 +25,9 @@ zeroize = "1.7.0"
 num-bigint = "0.4.5"
 tfhe-versionable = { version = "0.6.0", path = "../utils/tfhe-versionable" }
 
+[features]
+experimental = []
+
 [dev-dependencies]
 serde_json = "~1.0"
 itertools = { workspace = true }

tfhe-zk-pok/src/proofs/mod.rs

@@ -42,6 +42,7 @@ impl<T: ?Sized> OneBased<T> {
         Self(inner)
     }
 
+    #[cfg(feature = "experimental")]
     pub fn new_ref(inner: &T) -> &Self {
         unsafe { &*(inner as *const T as *const Self) }
     }
@@ -375,12 +376,17 @@ where
     }
 }
 
+#[cfg(feature = "experimental")]
 pub mod binary;
+#[cfg(feature = "experimental")]
 pub mod index;
+#[cfg(feature = "experimental")]
+pub mod range;
+#[cfg(feature = "experimental")]
+pub mod rlwe;
+
 pub mod pke;
 pub mod pke_v2;
-pub mod range;
-pub mod rlwe;
 
 #[cfg(test)]
 mod test {