ima-evm-keys: add recipe

Create a recipe to package IMA/EMV public keys.

Signed-off-by: Ming Liu <liu.ming50@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-integrity/recipes-security/ima-evm-keys/ima-evm-keys_1.0.bb

@@ -0,0 +1,16 @@
+SUMMARY = "IMA/EMV public keys"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
+
+inherit features_check
+REQUIRED_DISTRO_FEATURES = "ima"
+
+ALLOW_EMPTY_${PN} = "1"
+
+do_install () {
+    if [ -e "${IMA_EVM_X509}" ]; then
+        install -d ${D}/${sysconfdir}/keys
+        install "${IMA_EVM_X509}" ${D}${sysconfdir}/keys/x509_evm.der
+        lnr ${D}${sysconfdir}/keys/x509_evm.der ${D}${sysconfdir}/keys/x509_ima.der
+    fi
+}