diff --git a/cert/cert.pem b/cert/cert.pem
index c89e0db64..c8d5e521f 100644
--- a/cert/cert.pem
+++ b/cert/cert.pem
@@ -1,22 +1,22 @@
 -----BEGIN CERTIFICATE-----
-MIIDsTCCApmgAwIBAgIJALMFwTLcq7tgMA0GCSqGSIb3DQEBCwUAMG8xCzAJBgNV
-BAYTAkNOMREwDwYDVQQIDAhTaGFuZ2hhaTERMA8GA1UEBwwIU2hhbmdoYWkxDjAM
-BgNVBAoMBUludGVsMQ8wDQYDVQQLDAZXZWJSVEMxGTAXBgNVBAMMEHdlYnJ0Yy5p
-bnRlbC5jb20wHhcNMTkwMzIxMDU1MjE2WhcNMTkxMDMxMDU1MjE2WjBvMQswCQYD
-VQQGEwJDTjERMA8GA1UECAwIU2hhbmdoYWkxETAPBgNVBAcMCFNoYW5naGFpMQ4w
-DAYDVQQKDAVJbnRlbDEPMA0GA1UECwwGV2ViUlRDMRkwFwYDVQQDDBB3ZWJydGMu
-aW50ZWwuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArUAcJJb/
-zKITWTWtWw6PHjMJFqdoISoK0qI6XkwaYuZREeG336RW36UjBAvhIUScsB/VuuRR
-75KCfLFJG3SsOAfogSY9lGbqfGdZGhPPmgN/g5CjMHepanbWdjFi2owG1793jqKA
-C1Caa7nTT8VcLf1fzaR8RWKBQH0wMZlXWj8Ym6xZ5z9wd4ejvqWnI2JoPHpUhIfa
-fZMV/bISNe5uOKaZ1gOzItLpkxZIHygLkQnLzuWaYIweAR0OkYsx5ukvhGpk5POB
-FgIUP1uf4g8QYsXY3LmJ4SpNP9zfZ61H+cfNyrPLuoPMW/zTuhebpHBX3a88H020
-XNeDDPIXnOmgXwIDAQABo1AwTjAdBgNVHQ4EFgQU3HCXpH1sjLlEhsddqPB8fo7f
-t0YwHwYDVR0jBBgwFoAU3HCXpH1sjLlEhsddqPB8fo7ft0YwDAYDVR0TBAUwAwEB
-/zANBgkqhkiG9w0BAQsFAAOCAQEAZHn72E9Sy2V7lPPJjKQFmNgqup5RCaenWQXd
-H6OVigaG6cYUKjB1DiiNIaiHAvbKYebk8fpYIwAyaRoFDBNIrfND/SNom0fYbWB8
-7BABRZ0S+KnF70n/txk5DRzG8Xlmh30gS1fAU3BsAlKShMyZm8y9YGepng8FPEC5
-aX/M7YESeNyRhAt0rcAGm9L1ryzNLNsp6yOTHElD+IRpEFGA8W9Jnv4YetK4tvoC
-oAN1vV/o03NU+brzEcQvJUVFGG7QQ9X7TlwY9NuXGvjJOPYIstF31ILrki+s+cf4
-4mff7CjOtrrMmDnZ8nEl6NSLVqhhXtm56nCWjUXvqfca5+SeLg==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 -----END CERTIFICATE-----
diff --git a/cert/certificate.pfx b/cert/certificate.pfx
index 86c6169f9..c45b01ffa 100644
Binary files a/cert/certificate.pfx and b/cert/certificate.pfx differ
diff --git a/cert/key.pem b/cert/key.pem
index a236efb9f..c74fcfa07 100644
--- a/cert/key.pem
+++ b/cert/key.pem
@@ -1,30 +1,30 @@
 -----BEGIN ENCRYPTED PRIVATE KEY-----
-MIIFDjBABgkqhkiG9w0BBQ0wMzAbBgkqhkiG9w0BBQwwDgQI1i13fJocfGICAggA
-MBQGCCqGSIb3DQMHBAimQ/y2GCLl2QSCBMiB85ncNqoeRbieFqw4dECwI3PslET2
-NBmfzVKKX30q7958OahUeVwZchDF9vJjMXQ2+CU/X2kBVkpiR32C9HeoyeQeibrN
-QgJAu07MdZZNEvu6PyLNc1pSMjCAigEShUN0pBcezZ9ftAk+cWEM1urFbTtEBC3d
-17G6tnQrHhJK3bXlgaQcT9f6NMvlYTQA8YHuN+cVWe6PGR2vBfeKZYp9B6gQnSQk
-R7jZksmYdHeCHfSJDTe5DJy83WR3f0nQFNeArV8Z3expPX3/NjF/ob2I1yeD8Kur
-84pnO5W1VhmEVRBkwD2VmIx9YgGEPYeXH6VzNKcmTdj3xmPKgDunGEWLxZ0vqq7n
-nPiSLBGEaEiuwvoXspzcu1r0cprxsZyoEE6ub/0yhXnAwe+7lFZe1jAhDWRUk3vk
-tfRKxjUGG7JylYbjnhq1NaqrDatH4N/zBILng0CR8E0K2d12w6u6PwmQfxRx0BBH
-YlfOms2wDVUs31LYmJUFVyx1/KEKaxCzIpRvXvVAIMiibz206gVbvsft9uFbZDbj
-WghCQdImnyfhinYsoFyDpfrtjPpzKnAAThjVdYC/WIv5crDf2l73Lw6XucMjIk6A
-KF7kNXDZl5UGyrIqKal1U6iCmYRZpqtcbD1W7+I8BkQyxmCI6ePKWvhD0fzuZMeg
-Mdx4lck0rXx8zpbO8Mh8WT2f+9h4y98sGg8H6/hnLWPQr8ZAlexmCbH+jngBYrVG
-ux/6MjYUm5b/RBFsvKQ/mgGKGjJyqVRgVfhyKmJP0mV1VMIyUE8aTy7w/bHCOcqL
-oN7SLJYtyx2xZzGoAhqgM9DbgkKgZtx+DtVwhovzgA/jby/YrdmlD44TVsXMUKN/
-cR7cLGs20TfrjsBfbL2VuCeAoVauwGR7t7YGbPb/5l/qPWYaMZAFuserBhJ2a9/H
-Fq26fKLsD5/2bMTvEwYDthu2tmt8Y+QR4Pg9/WPCUr4l1UqMgSD7bV9Qamhek+Oj
-m8fWVmqPKsC/OyuP8qptpFqlUSw0wrw66IGRTFbaXjWnjFJEFaOIhmLF6LyuXm22
-nWER6AJ2l/q0qUordV3dY2A2Udtmia5VlnhqK6J2zi81cmpUVM+x5fBr71MZJ5Jm
-ESPRXeNbZwWILfIxCCpao1KmjJ9q0u1n8eVeZOKLKtYd+zBMmh9Mqy3C+t9DDmxO
-1TO0vXeoJvhOfLJT9rQ0svA0evyYi3uW2RYYL4tMN7g4gn8Js+2u4ApUogIMAEl6
-nl5Eff6MSE3laksr7kCLXqbdVsw3mJ4Rv/bU3M/p85q0+OECJ2qVarUUh9nrP26G
-wondiGHaIwBzukf94yrabRMQzn6RQE86suAXLyDqDpQ8ChTrvdqwLI1bXMe474Hy
-HK3WkKoh38G+5r/Rnfj/f07AsFcVgtuo1H3Usz0jPDbCJ1XbnDU2D/ZPNXGXEuiR
-NsyC9ccDekP+kyPwECz1vWkC2vazVkorjRIu96/1K8Kx5GEqtr4ndBgNovQTvsMy
-Q1I0yFdqBXWgu5NuksjAx5Zecher1WopmMMioKhZxlHfnOAaXNvRD4nZ48HvyCOU
-1aNPc18eBPXT2yeCF+9w5mQZBut0v8Zm1DCxN7JurT0q4jz++HzKI7ucuUiFKnG/
-JYk=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 -----END ENCRYPTED PRIVATE KEY-----
diff --git a/scripts/keyutil.sh b/scripts/keyutil.sh
index 0347e6602..9f6c6783f 100755
--- a/scripts/keyutil.sh
+++ b/scripts/keyutil.sh
@@ -13,8 +13,8 @@ fi
 
 selfsignPEM() {
   ${OPENSSL_BIN} req -x509 -newkey rsa:2048 -keyout ${OUT_DIR}/key.pem -out ${OUT_DIR}/cert.pem \
-  -subj "/C=CN/ST=Shanghai/L=Shanghai/O=Intel/OU=WebRTC/CN=webrtc.intel.com" \
-  -days 90
+  -subj "/C=CN/ST=Shanghai/L=Shanghai/O=owt-demo/OU=owt/CN=owt-demo.localhost" \
+  -days 145
 }
 
 mergePEM() {
@@ -22,4 +22,4 @@ mergePEM() {
 }
 
 selfsignPEM
-mergePEM
\ No newline at end of file
+mergePEM