1 2--- 3 src/lib.rs | 4 ++++ 4 1 file changed, 4 insertions(+) 5 6diff --git b/src/lib.rs a/src/lib.rs 7index 33ceef8e..53730d4c 100644 8--- b/src/lib.rs 9+++ a/src/lib.rs 10@@ -70,6 +70,10 @@ 11 //! [PKCS#5v2 Password Based Encryption Scheme 2 (RFC 8018)]: https://tools.ietf.org/html/rfc8018#section-6.2 12 //! [scrypt]: https://en.wikipedia.org/wiki/Scrypt 13 14+/// Local Android change: Use std to allow building as a dylib. 15+#[cfg(android_dylib)] 16+extern crate std; 17+ 18 #[cfg(feature = "pem")] 19 extern crate alloc; 20 #[cfg(feature = "std")] 21