diff --git a/developer/jami-plugins-certificate.md b/developer/jami-plugins-certificate.md
index e8c96fa..52ca98d 100644
--- a/developer/jami-plugins-certificate.md
+++ b/developer/jami-plugins-certificate.md
@@ -145,23 +145,34 @@ python3 ./SDK/certKey.py --plugin sign --issuer <path-to-plugin-certificate>\
 
 ## Revoked a certificate
 
-### Install dependencies
+### Create CRL
 
 ```bash
-sudo apt install openssl
+python3 ./certKey.py crl create --crl --issuer <path-to-ca> --subject crl <path-to-save-crl>
 ```
+
 ### Add Revoke certificate to CRL
 
 ```bash
-openssl ca -revoke <certificate-to-revoke>.crt \
--keyfile <private_key> -cert <issuer-certificate>.crt
+python3 ./certKey.py revoke --crl <path-to-crl> --subject <path-to-certificate-to-revoke> --issuer <path-to-ca> [--reason REASON]
 ```
 
-### Update CRL file
+## Verify certificate
+
+### Verify certificate signing request
 
 ```bash
-openssl ca -gencrl -keyfile <private_key> \
--cert <X.509 certificate> -out /etc/<CRL_directory>/temp.crt && \
-cat <path-to-old-crt>/crl.crt /etc/<CRL_directory>/temp.crt > <path-to-crl-directory>/crl.crt \
-rm -rf /etc/<CRL_directory>/temp.crt <path-to-old-crt>/crl.crt
+python3 ./certKey.py --req [--archive] verify --path <path-to-csr> --issuer <path-to-issuer>
+```
+
+### Verify certificate
+
+```bash
+python3 ./certKey.py [--archive] verify --path <path-to-certificate> --issuer <path-to-issuer>
+```
+
+### Verify Jami Plugin
+
+```bash
+python3 ./certKey.py [--archive] verify --path <path-to-plugin>
 ```