diff --git b/rules.mk a/rules.mk | |
index 4e31c7c..17355aa 100644 | |
--- b/rules.mk | |
+++ a/rules.mk | |
@@ -15,9 +15,8 @@ MODULE_RUSTFLAGS += \ | |
--cfg 'feature="zeroize"' \ | |
MODULE_LIBRARY_DEPS := \ | |
- external/rust/crates/base16ct \ | |
- external/rust/crates/generic-array \ | |
- external/rust/crates/serdect \ | |
- external/rust/crates/subtle \ | |
+ external/rust/crates/der \ | |
+ external/rust/crates/pkcs8 \ | |
+ external/rust/crates/zeroize \ | |
include make/library.mk |