diff --git a/rust-sha2_0.9.spec b/rust-sha2_0.9.spec
index ab3a68c..beef93b 100644
--- a/rust-sha2_0.9.spec
+++ b/rust-sha2_0.9.spec
@@ -49,6 +49,30 @@ use the "default" feature of the "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{crate_instdir}/Cargo.toml
 
+%package     -n %{name}+asm-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+asm-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "asm" feature of the "%{crate}" crate.
+
+%files       -n %{name}+asm-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+asm-aarch64-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+asm-aarch64-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "asm-aarch64" feature of the "%{crate}" crate.
+
+%files       -n %{name}+asm-aarch64-devel
+%ghost %{crate_instdir}/Cargo.toml
+
 %package     -n %{name}+compress-devel
 Summary:        %{summary}
 BuildArch:      noarch
@@ -73,6 +97,18 @@ use the "force-soft" feature of the "%{crate}" crate.
 %files       -n %{name}+force-soft-devel
 %ghost %{crate_instdir}/Cargo.toml
 
+%package     -n %{name}+sha2-asm-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+sha2-asm-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "sha2-asm" feature of the "%{crate}" crate.
+
+%files       -n %{name}+sha2-asm-devel
+%ghost %{crate_instdir}/Cargo.toml
+
 %package     -n %{name}+std-devel
 Summary:        %{summary}
 BuildArch:      noarch
diff --git a/rust2rpm.conf b/rust2rpm.conf
new file mode 100644
index 0000000..0b10f36
--- /dev/null
+++ b/rust2rpm.conf
@@ -0,0 +1,2 @@
+[DEFAULT]
+summary = Pure Rust implementation of the SHA-2 hash function family