diff --git a/classes/reuse_license_checksums.bbclass b/classes/reuse_license_checksums.bbclass
new file mode 100644
index 0000000..66cb9ca
--- /dev/null
+++ b/classes/reuse_license_checksums.bbclass
@@ -0,0 +1,36 @@
+# SPDX-FileCopyrightText: 2020 Andreas Cord-Landwehr <cordlandwehr@kde.org>
+# SPDX-License-Identifier: MIT
+#
+# Class for providing default checksum values based on licenses
+# installed according to REUSE specification
+
+do_populate_lic_prepend() {
+    license = d.getVar('LICENSE') or ''
+    srcdir = d.getVar('S')
+
+    if d.getVar('LIC_FILES_CHKSUM') and not d.getVar('LIC_FILES_CHKSUM') == '':
+        print("Aborting LIC_FILES_CHKSUM computation, value already set to:", d.getVar('LIC_FILES_CHKSUM'))
+    else:
+        # TODO computation logic should also be able to handle multi-license statements
+        # right now, in KF5 only single license statements are contained
+        if license == 'LGPL-2.0':
+            if os.path.exists(os.path.join(srcdir, 'LICENSES/LGPL-2.0-only.txt')):
+                d.setVar('LIC_FILES_CHKSUM', "file://LICENSES/LGPL-2.0-only.txt;md5=6d2d9952d88b50a51a5c73dc431d06c7")
+            elif os.path.exists(os.path.join(srcdir, 'LICENSES/LGPL-2.0-or-later.txt')):
+                d.setVar('LIC_FILES_CHKSUM', "file://LICENSES/LGPL-2.0-or-later.txt;md5=6d2d9952d88b50a51a5c73dc431d06c7")
+        elif license == 'LGPL-2.1':
+            if os.path.exists(os.path.join(srcdir, 'LICENSES/LGPL-2.1-only.txt')):
+                d.setVar('LIC_FILES_CHKSUM', "file://LICENSES/LGPL-2.1-only.txt;md5=fabba2a3bfeb22a6483d44e9ae824d3f")
+            elif os.path.exists(os.path.join(srcdir, 'LICENSES/LGPL-2.1-or-later.txt')):
+                d.setVar('LIC_FILES_CHKSUM', "file://LICENSES/LGPL-2.1-or-later.txt;md5=2a4f4fd2128ea2f65047ee63fbca9f68")
+        elif license == 'LGPL-3.0':
+            if os.path.exists(os.path.join(srcdir, 'LICENSES/LGPL-3.0-only.txt')):
+                d.setVar('LIC_FILES_CHKSUM', "file://LICENSES/LGPL-3.0-only.txt;md5=c51d3eef3be114124d11349ca0d7e117")
+            elif os.path.exists(os.path.join(srcdir, 'LICENSES/LGPL-3.0-or-later.txt')):
+                d.setVar('LIC_FILES_CHKSUM', "file://LICENSES/LGPL-3.0-or-later.txt;md5=c51d3eef3be114124d11349ca0d7e117")
+        elif license == 'BSD-3-Clause':
+            d.setVar('LIC_FILES_CHKSUM', "file://LICENSES/BSD-3-Clause.txt;md5=954f4d71a37096249f837652a7f586c0")
+        elif license == 'MIT':
+            d.setVar('LIC_FILES_CHKSUM', "file://LICENSES/MIT.txt;md5=38aa75cf4c4c87f018227d5ec9638d75")
+        print('Set LIC_FILES_CHKSUM from known SPDX files to:', d.getVar('LIC_FILES_CHKSUM'))
+}