diff --git a/classes/image_types_phosphor.bbclass b/classes/image_types_phosphor.bbclass
index de1883f..441d87f 100644
--- a/classes/image_types_phosphor.bbclass
+++ b/classes/image_types_phosphor.bbclass
@@ -44,6 +44,10 @@
 FLASH_UBI_RWFS_SIZE ?= "6144"
 FLASH_UBI_RWFS_TXT_SIZE ?= "6MiB"
 
+SIGNING_KEY ?= "${STAGING_DIR_NATIVE}${datadir}/OpenBMC.priv"
+INSECURE_KEY = "${@'${SIGNING_KEY}' == '${STAGING_DIR_NATIVE}${datadir}/OpenBMC.priv'}"
+SIGNING_KEY_DEPENDS = "${@oe.utils.conditional('INSECURE_KEY', 'True', 'phosphor-insecure-signing-key-native:do_populate_sysroot', '', d)}"
+
 python() {
     # Compute rwfs LEB count and LEB size.
     page_size = d.getVar('FLASH_PAGE_SIZE', True)
@@ -277,27 +281,64 @@
 
 do_generate_ubi_tar() {
 	ln -sf ${S}/MANIFEST MANIFEST
+	ln -sf ${S}/publickey publickey
 	make_image_links ${FLASH_UBI_OVERLAY_BASETYPE} ${FLASH_UBI_BASETYPE}
-	make_tar_of_images ubi MANIFEST
+	for file in image-u-boot image-kernel image-rofs image-rwfs MANIFEST publickey; do
+		openssl dgst -sha256 -sign ${SIGNING_KEY} -out "${file}.sig" $file
+	done
+	make_tar_of_images ubi MANIFEST publickey *.sig
 }
 do_generate_ubi_tar[dirs] = " ${S}/ubi"
 do_generate_ubi_tar[depends] += " \
         ${PN}:do_image_${@d.getVar('FLASH_UBI_BASETYPE', True).replace('-', '_')} \
         virtual/kernel:do_deploy \
         u-boot:do_populate_sysroot \
+        openssl-native:do_populate_sysroot \
+        ${SIGNING_KEY_DEPENDS} \
+        ${PN}:do_copy_signing_pubkey \
         "
 
+def get_pubkey_basedir(d):
+    return os.path.join(
+        d.getVar('STAGING_DIR_TARGET', True),
+        d.getVar('sysconfdir', True).strip(os.sep),
+        'activationdata')
+
+def get_pubkey_type(d):
+    return os.listdir(get_pubkey_basedir(d))[0]
+
+def get_pubkey_path(d):
+    return os.path.join(
+        get_pubkey_basedir(d),
+        get_pubkey_type(d),
+        'publickey')
+
 python do_generate_phosphor_manifest() {
     version = do_get_version(d)
     with open('MANIFEST', 'w') as fd:
         fd.write('purpose=xyz.openbmc_project.Software.Version.VersionPurpose.BMC\n')
         fd.write('version={}\n'.format(version.strip('"')))
+        fd.write('KeyType={}\n'.format(get_pubkey_type(d)))
+        fd.write('HashType=RSA-SHA256\n')
 }
 do_generate_phosphor_manifest[dirs] = "${S}"
 do_generate_phosphor_manifest[depends] += " \
         os-release:do_populate_sysroot \
+        phosphor-image-signing:do_populate_sysroot \
         "
 
+python do_copy_signing_pubkey() {
+    with open(get_pubkey_path(d), 'r') as read_fd:
+        with open('publickey', 'w') as write_fd:
+            write_fd.write(read_fd.read())
+}
+
+do_copy_signing_pubkey[dirs] = "${S}"
+do_copy_signing_pubkey[depends] += " \
+        phosphor-image-signing:do_populate_sysroot \
+        "
+
+addtask copy_signing_pubkey after do_rootfs
 addtask generate_phosphor_manifest after do_rootfs
 addtask generate_rwfs_static after do_rootfs
 addtask generate_rwfs_ubi after do_rootfs
diff --git a/common/recipes-phosphor/flash/files/OpenBMC.priv b/common/recipes-phosphor/flash/files/OpenBMC.priv
new file mode 100644
index 0000000..223d318
--- /dev/null
+++ b/common/recipes-phosphor/flash/files/OpenBMC.priv
@@ -0,0 +1,16 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
diff --git a/common/recipes-phosphor/flash/phosphor-image-signing.bb b/common/recipes-phosphor/flash/phosphor-image-signing.bb
new file mode 100644
index 0000000..897bfde
--- /dev/null
+++ b/common/recipes-phosphor/flash/phosphor-image-signing.bb
@@ -0,0 +1,29 @@
+SUMMARY = "OpenBMC image signing public key"
+DESCRIPTION = "Public key information to be included in images for image verification."
+PR = "r1"
+
+inherit allarch
+inherit obmc-phosphor-license
+
+INSECURE_KEY = "${@'${SIGNING_KEY}' == '${STAGING_DIR_NATIVE}${datadir}/OpenBMC.priv'}"
+
+DEPENDS += "openssl-native"
+DEPENDS += "${@oe.utils.conditional('INSECURE_KEY', 'True', 'phosphor-insecure-signing-key-native', '', d)}"
+
+FILES_${PN} += "${sysconfdir}/activationdata/"
+
+SIGNING_KEY ?= "${STAGING_DIR_NATIVE}${datadir}/OpenBMC.priv"
+SIGNING_KEY_TYPE = "${@os.path.splitext(os.path.basename('${SIGNING_KEY}'))[0]}"
+
+do_install() {
+	openssl pkey -in "${SIGNING_KEY}" -pubout -out ${WORKDIR}/publickey
+	echo HashType=RSA-SHA256 > "${WORKDIR}/hashfunc"
+
+	idir="${D}${sysconfdir}/activationdata/${SIGNING_KEY_TYPE}"
+
+	install -d ${idir}
+	install -m 644 ${WORKDIR}/publickey ${idir}
+	install -m 644 ${WORKDIR}/hashfunc ${idir}
+}
+
+SYSROOT_DIRS_append = " ${sysconfdir}"
diff --git a/common/recipes-phosphor/flash/phosphor-insecure-signing-key-native.bb b/common/recipes-phosphor/flash/phosphor-insecure-signing-key-native.bb
new file mode 100644
index 0000000..55ebe57
--- /dev/null
+++ b/common/recipes-phosphor/flash/phosphor-insecure-signing-key-native.bb
@@ -0,0 +1,15 @@
+SUMMARY = "Insecure private key for testing and development"
+DESCRIPTION = "Do not use this key to sign images."
+PR = "r1"
+
+inherit allarch
+inherit native
+inherit obmc-phosphor-license
+
+SRC_URI += "file://OpenBMC.priv"
+
+do_install() {
+	bbplain "Using an insecure image signing key!"
+	install -d ${D}${datadir}
+	install -m 400 ${WORKDIR}/OpenBMC.priv ${D}${datadir}
+}
diff --git a/common/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bb b/common/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bb
index 11cfe34..e7fe370 100644
--- a/common/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bb
+++ b/common/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bb
@@ -89,7 +89,9 @@
         obmc-mgr-download \
         "
 
-${PN}-software-extras_df-obmc-ubi-fs = ""
+${PN}-software-extras_df-obmc-ubi-fs = " \
+        phosphor-image-signing \
+        "
 
 SUMMARY_${PN}-software = "Software applications"
 RDEPENDS_${PN}-software = " \