diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d2110c3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/aes12-cd47fb39b79f867c6e4e5cd39cf7abd799f71670.tar.gz
diff --git a/golang-github-lucas-clemente-aes12.spec b/golang-github-lucas-clemente-aes12.spec
new file mode 100644
index 0000000..9ca4ff9
--- /dev/null
+++ b/golang-github-lucas-clemente-aes12.spec
@@ -0,0 +1,47 @@
+# Generated by go2rpm
+%bcond_without check
+
+# https://github.com/lucas-clemente/aes12
+%global goipath         github.com/lucas-clemente/aes12
+%global commit          cd47fb39b79f867c6e4e5cd39cf7abd799f71670
+
+%gometa
+
+%global common_description %{expand:
+This package modifies the AES-GCM implementation from Go's standard library to
+use 12 byte tag sizes. It is not intended for a general audience, and used in
+quic-go.}
+
+%global golicenses      LICENSE
+%global godocs          Readme.md
+
+Name:           %{goname}
+Version:        0
+Release:        0.1%{?dist}
+Summary:        AES-GCM with 12 byte tag sizes for Go
+
+License:        MIT
+URL:            %{gourl}
+Source0:        %{gosource}
+
+%description
+%{common_description}
+
+%gopkg
+
+%prep
+%goprep
+
+%install
+%gopkginstall
+
+%if %{with check}
+%check
+%gocheck
+%endif
+
+%gopkgfiles
+
+%changelog
+* Sat May 18 19:12:01 CEST 2019 Robert-André Mauchin <zebob.m@gmail.com> - 0-0.1.20190702gitcd47fb3
+- Initial package
diff --git a/sources b/sources
new file mode 100644
index 0000000..e7d900c
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (aes12-cd47fb39b79f867c6e4e5cd39cf7abd799f71670.tar.gz) = 28832ac8b41c93eb73f73e29d8a75ef2150b354c13d4907e04248c668dd49c986974c4035f45f610b0f3de62d8fc6498832f434298718c0508927a3a44567556