diff --git a/extmod/crypto-algorithms/sha256.c b/lib/crypto-algorithms/sha256.c similarity index 100% rename from extmod/crypto-algorithms/sha256.c rename to lib/crypto-algorithms/sha256.c diff --git a/extmod/crypto-algorithms/sha256.h b/lib/crypto-algorithms/sha256.h similarity index 100% rename from extmod/crypto-algorithms/sha256.h rename to lib/crypto-algorithms/sha256.h