configure bit length

Author: DeagleGross

scenarios/tls.benchmarks.yml

@@ -248,8 +248,8 @@ scenarios:
   tls-handshakes-docker-nginx:
     application:
       job: dockerLinuxNginxServer
-      # buildArguments:
-      # - SSL_LOGGING_ENABLED=false
+      buildArguments:
+      - CERT_KEY_LENGTH=2048
     load:
       job: httpclient
       variables:

src/BenchmarksApps/TLS/Certificates/README.md

@@ -0,0 +1,5 @@
+# Certificates
+
+Certificate public-key length contributes to performant significantly, therefore there are 2 sets of certificates in corresponding directories ([2048 bit](./2048/) and [4096 bit](./4096/)).
+
+Both directories have a `testCert.pfx` and `cert.pem`/`key.pem` (different certs, but same key-length).

src/BenchmarksApps/TLS/Nginx/Dockerfile

@@ -1,10 +1,15 @@
 FROM nginx:latest
 
-# Copy configuration and SSL certificates
+# or 4096 key length
+ARG CERT_KEY_LENGTH=2048 
+
+# Copy configuration
 COPY config/nginx.conf /etc/nginx/nginx.conf
-COPY config/cert.pem /etc/nginx/certs/cert.pem
-COPY config/key.pem /etc/nginx/certs/key.pem
-COPY start-nginx.sh /start-nginx.sh
+COPY config/start-nginx.sh /start-nginx.sh
+
+# Copy SSL certificates
+COPY ../Certificates/${CERT_KEY_LENGTH}/cert.pem /etc/nginx/certs/cert.pem
+COPY ../Certificates/${CERT_KEY_LENGTH}/key.pem /etc/nginx/certs/key.pem
 
 # Make the script executable
 RUN chmod +x /start-nginx.sh