diff --git a/SOURCES/centos-ca-secureboot.der b/SOURCES/centos-ca-secureboot.der
new file mode 100644
index 0000000..44a2563
Binary files /dev/null and b/SOURCES/centos-ca-secureboot.der differ
diff --git a/SOURCES/centos.pem b/SOURCES/centos.pem
new file mode 100644
index 0000000..82ad817
--- /dev/null
+++ b/SOURCES/centos.pem
@@ -0,0 +1,42 @@
+-----BEGIN CERTIFICATE-----
+MIIDgTCCAmmgAwIBAgIJALYWFXFy+zGAMA0GCSqGSIb3DQEBCwUAMEwxJjAkBgNV
+BAMMHUNlbnRPUyBTZWN1cmUgQm9vdCAoQ0Ega2V5IDEpMSIwIAYJKoZIhvcNAQkB
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+OhSscRUiKeEQKMVtHzyQUp5t+HCeaZBRPy3rFoIjTEqijKZ6tQ==
+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
+MIIDejCCAmKgAwIBAgIJALYWFXFy+zF/MA0GCSqGSIb3DQEBCwUAMEwxJjAkBgNV
+BAMMHUNlbnRPUyBTZWN1cmUgQm9vdCAoQ0Ega2V5IDEpMSIwIAYJKoZIhvcNAQkB
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+lBMa2g20Atwz2Hj7tEEAZ74ioQ9029RAlUSNipACe31YdT4/BBWIqHPpeDFkp8W0
+9v4jeTX/2kMBXkjzMfKjhpooa+bFFFLogLeX3P4W
+-----END CERTIFICATE-----
diff --git a/SOURCES/centossecureboot001.der b/SOURCES/centossecureboot001.der
new file mode 100644
index 0000000..e8216b1
Binary files /dev/null and b/SOURCES/centossecureboot001.der differ
diff --git a/SOURCES/centossecureboot201.der b/SOURCES/centossecureboot201.der
new file mode 100644
index 0000000..ca3c134
Binary files /dev/null and b/SOURCES/centossecureboot201.der differ
diff --git a/SOURCES/centossecurebootca2.der b/SOURCES/centossecurebootca2.der
new file mode 100644
index 0000000..42bdfcf
Binary files /dev/null and b/SOURCES/centossecurebootca2.der differ
diff --git a/SOURCES/x509.genkey.fedora b/SOURCES/x509.genkey.fedora
index 2f90e1b..dbfe9a7 100644
--- a/SOURCES/x509.genkey.fedora
+++ b/SOURCES/x509.genkey.fedora
@@ -1,13 +1,13 @@
 [ req ]
-default_bits = 4096
+default_bits = 3072
 distinguished_name = req_distinguished_name
 prompt = no
 x509_extensions = myexts
 
 [ req_distinguished_name ]
-O = Fedora
-CN = Fedora kernel signing key
-emailAddress = kernel-team@fedoraproject.org
+O = CentOS
+CN = CentOS kernel signing key
+emailAddress = security@centos.org
 
 [ myexts ]
 basicConstraints=critical,CA:FALSE
diff --git a/SPECS/kernel.spec b/SPECS/kernel.spec
index 10d941d..8c76718 100644
--- a/SPECS/kernel.spec
+++ b/SPECS/kernel.spec
@@ -32,7 +32,7 @@ Summary: The Linux kernel
 %if 0%{?fedora}
 %define secure_boot_arch x86_64
 %else
-%define secure_boot_arch x86_64 aarch64 s390x ppc64le
+%define secure_boot_arch x86_64 aarch64
 %endif
 
 # Signing for secure boot authentication
@@ -668,10 +668,10 @@ Source10: x509.genkey.rhel
 Source11: x509.genkey.fedora
 %if %{?released_kernel}
 
-Source12: redhatsecurebootca5.cer
-Source13: redhatsecurebootca1.cer
-Source14: redhatsecureboot501.cer
-Source15: redhatsecureboot301.cer
+Source12: centossecurebootca2.der
+Source13: centos-ca-secureboot.der
+Source14: centossecureboot201.der
+Source15: centossecureboot001.der
 Source16: secureboot_s390.cer
 Source17: secureboot_ppc.cer
 
@@ -679,33 +679,25 @@ Source17: secureboot_ppc.cer
 %define secureboot_ca_0 %{SOURCE13}
 %ifarch x86_64 aarch64
 %define secureboot_key_1 %{SOURCE14}
-%define pesign_name_1 redhatsecureboot501
+%define pesign_name_1 centossecureboot201
 %define secureboot_key_0 %{SOURCE15}
-%define pesign_name_0 redhatsecureboot301
-%endif
-%ifarch s390x
-%define secureboot_key_0 %{SOURCE16}
-%define pesign_name_0 redhatsecureboot302
-%endif
-%ifarch ppc64le
-%define secureboot_key_0 %{SOURCE17}
-%define pesign_name_0 redhatsecureboot303
+%define pesign_name_0 centossecureboot001
 %endif
 
 # released_kernel
 %else
 
-Source12: redhatsecurebootca4.cer
-Source13: redhatsecurebootca2.cer
-Source14: redhatsecureboot401.cer
-Source15: redhatsecureboot003.cer
+Source12: centossecurebootca2.der
+Source13: centos-ca-secureboot.der
+Source14: centossecureboot201.der
+Source15: centossecureboot001.der
 
 %define secureboot_ca_1 %{SOURCE12}
 %define secureboot_ca_0 %{SOURCE13}
 %define secureboot_key_1 %{SOURCE14}
-%define pesign_name_1 redhatsecureboot401
+%define pesign_name_1 centossecureboot201
 %define secureboot_key_0 %{SOURCE15}
-%define pesign_name_0 redhatsecureboot003
+%define pesign_name_0 centossecureboot001
 
 # released_kernel
 %endif
@@ -789,6 +781,8 @@ Source213: Module.kabi_dup_x86_64
 Source2000: cpupower.service
 Source2001: cpupower.config
 
+Source9000: centos.pem
+
 ## Patches needed for building this package
 
 # Patch1: patch-%{rpmversion}-redhat.patch
@@ -1524,6 +1518,7 @@ fi
 
 # Now build the fedora kernel tree.
 cp -al vanilla-%{vanillaversion} linux-%{KVERREL}
+cp -v %{SOURCE9000} linux-%{KVERREL}/certs/rhel.pem
 
 cd linux-%{KVERREL}
 if [ ! -d .git ]; then