fix weak algorithm (#10545)

content/en/docs/tasks/observability/gateways/index.md

@@ -59,7 +59,7 @@ This example uses self-signed certificates, which may not be appropriate for pro
     $ mkdir -p ${CERT_DIR}
     $ openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -subj "/O=example Inc./CN=*.${INGRESS_DOMAIN}" -keyout ${CERT_DIR}/ca.key -out ${CERT_DIR}/ca.crt
     $ openssl req -out ${CERT_DIR}/cert.csr -newkey rsa:2048 -nodes -keyout ${CERT_DIR}/tls.key -subj "/CN=*.${INGRESS_DOMAIN}/O=example organization"
-    $ openssl x509 -req -days 365 -CA ${CERT_DIR}/ca.crt -CAkey ${CERT_DIR}/ca.key -set_serial 0 -in ${CERT_DIR}/cert.csr -out ${CERT_DIR}/tls.crt
+    $ openssl x509 -req -sha256 -days 365 -CA ${CERT_DIR}/ca.crt -CAkey ${CERT_DIR}/ca.key -set_serial 0 -in ${CERT_DIR}/cert.csr -out ${CERT_DIR}/tls.crt
     $ kubectl create -n istio-system secret tls telemetry-gw-cert --key=${CERT_DIR}/tls.key --cert=${CERT_DIR}/tls.crt
     {{< /text >}}
 

content/en/docs/tasks/observability/gateways/snips.sh

@@ -34,7 +34,7 @@ CERT_DIR=/tmp/certs
 mkdir -p ${CERT_DIR}
 openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -subj "/O=example Inc./CN=*.${INGRESS_DOMAIN}" -keyout ${CERT_DIR}/ca.key -out ${CERT_DIR}/ca.crt
 openssl req -out ${CERT_DIR}/cert.csr -newkey rsa:2048 -nodes -keyout ${CERT_DIR}/tls.key -subj "/CN=*.${INGRESS_DOMAIN}/O=example organization"
-openssl x509 -req -days 365 -CA ${CERT_DIR}/ca.crt -CAkey ${CERT_DIR}/ca.key -set_serial 0 -in ${CERT_DIR}/cert.csr -out ${CERT_DIR}/tls.crt
+openssl x509 -req -sha256 -days 365 -CA ${CERT_DIR}/ca.crt -CAkey ${CERT_DIR}/ca.key -set_serial 0 -in ${CERT_DIR}/cert.csr -out ${CERT_DIR}/tls.crt
 kubectl create -n istio-system secret tls telemetry-gw-cert --key=${CERT_DIR}/tls.key --cert=${CERT_DIR}/tls.crt
 }
 

content/en/docs/tasks/traffic-management/egress/egress-gateway-tls-origination/index.md

@@ -265,14 +265,14 @@ For this task you can use your favorite tool to generate certificates and keys.
 
     {{< text bash >}}
     $ openssl req -out my-nginx.mesh-external.svc.cluster.local.csr -newkey rsa:2048 -nodes -keyout my-nginx.mesh-external.svc.cluster.local.key -subj "/CN=my-nginx.mesh-external.svc.cluster.local/O=some organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in my-nginx.mesh-external.svc.cluster.local.csr -out my-nginx.mesh-external.svc.cluster.local.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in my-nginx.mesh-external.svc.cluster.local.csr -out my-nginx.mesh-external.svc.cluster.local.crt
     {{< /text >}}
 
 1.  Generate client certificate and private key:
 
     {{< text bash >}}
     $ openssl req -out client.example.com.csr -newkey rsa:2048 -nodes -keyout client.example.com.key -subj "/CN=client.example.com/O=client organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
     {{< /text >}}
 
 ### Deploy a mutual TLS server

content/en/docs/tasks/traffic-management/egress/egress-gateway-tls-origination/snips.sh

@@ -189,12 +189,12 @@ openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -subj '/O=example In
 
 snip_generate_client_and_server_certificates_and_keys_2() {
 openssl req -out my-nginx.mesh-external.svc.cluster.local.csr -newkey rsa:2048 -nodes -keyout my-nginx.mesh-external.svc.cluster.local.key -subj "/CN=my-nginx.mesh-external.svc.cluster.local/O=some organization"
-openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in my-nginx.mesh-external.svc.cluster.local.csr -out my-nginx.mesh-external.svc.cluster.local.crt
+openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in my-nginx.mesh-external.svc.cluster.local.csr -out my-nginx.mesh-external.svc.cluster.local.crt
 }
 
 snip_generate_client_and_server_certificates_and_keys_3() {
 openssl req -out client.example.com.csr -newkey rsa:2048 -nodes -keyout client.example.com.key -subj "/CN=client.example.com/O=client organization"
-openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
+openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
 }
 
 snip_deploy_a_mutual_tls_server_1() {

content/en/docs/tasks/traffic-management/ingress/secure-ingress/index.md

@@ -49,7 +49,7 @@ For this task you can use your favorite tool to generate certificates and keys.
 
     {{< text bash >}}
     $ openssl req -out httpbin.example.com.csr -newkey rsa:2048 -nodes -keyout httpbin.example.com.key -subj "/CN=httpbin.example.com/O=httpbin organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in httpbin.example.com.csr -out httpbin.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in httpbin.example.com.csr -out httpbin.example.com.crt
     {{< /text >}}
 
 ### Configure a TLS ingress gateway for a single host
@@ -137,7 +137,7 @@ For this task you can use your favorite tool to generate certificates and keys.
     $ mkdir new_certificates
     $ openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -subj '/O=example Inc./CN=example.com' -keyout new_certificates/example.com.key -out new_certificates/example.com.crt
     $ openssl req -out new_certificates/httpbin.example.com.csr -newkey rsa:2048 -nodes -keyout new_certificates/httpbin.example.com.key -subj "/CN=httpbin.example.com/O=httpbin organization"
-    $ openssl x509 -req -days 365 -CA new_certificates/example.com.crt -CAkey new_certificates/example.com.key -set_serial 0 -in new_certificates/httpbin.example.com.csr -out new_certificates/httpbin.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA new_certificates/example.com.crt -CAkey new_certificates/example.com.key -set_serial 0 -in new_certificates/httpbin.example.com.csr -out new_certificates/httpbin.example.com.crt
     $ kubectl create -n istio-system secret tls httpbin-credential \
     --key=new_certificates/httpbin.example.com.key \
     --cert=new_certificates/httpbin.example.com.crt
@@ -239,7 +239,7 @@ retrieves unique credentials corresponding to a specific `credentialName`.
 
     {{< text bash >}}
     $ openssl req -out helloworld-v1.example.com.csr -newkey rsa:2048 -nodes -keyout helloworld-v1.example.com.key -subj "/CN=helloworld-v1.example.com/O=helloworld organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in helloworld-v1.example.com.csr -out helloworld-v1.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in helloworld-v1.example.com.csr -out helloworld-v1.example.com.crt
     {{< /text >}}
 
 1.  Create the `helloworld-credential` secret:
@@ -395,7 +395,7 @@ $ kubectl create -n istio-system secret generic httpbin-credential --from-file=t
 
     {{< text bash >}}
     $ openssl req -out client.example.com.csr -newkey rsa:2048 -nodes -keyout client.example.com.key -subj "/CN=client.example.com/O=client organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
     {{< /text >}}
 
 1. Pass a client certificate and private key to `curl` and resend the request.

content/en/docs/tasks/traffic-management/ingress/secure-ingress/snips.sh

@@ -34,7 +34,7 @@ openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -subj '/O=example In
 
 snip_generate_client_and_server_certificates_and_keys_2() {
 openssl req -out httpbin.example.com.csr -newkey rsa:2048 -nodes -keyout httpbin.example.com.key -subj "/CN=httpbin.example.com/O=httpbin organization"
-openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in httpbin.example.com.csr -out httpbin.example.com.crt
+openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in httpbin.example.com.csr -out httpbin.example.com.crt
 }
 
 snip_configure_a_tls_ingress_gateway_for_a_single_host_1() {
@@ -101,7 +101,7 @@ snip_configure_a_tls_ingress_gateway_for_a_single_host_6() {
 mkdir new_certificates
 openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -subj '/O=example Inc./CN=example.com' -keyout new_certificates/example.com.key -out new_certificates/example.com.crt
 openssl req -out new_certificates/httpbin.example.com.csr -newkey rsa:2048 -nodes -keyout new_certificates/httpbin.example.com.key -subj "/CN=httpbin.example.com/O=httpbin organization"
-openssl x509 -req -days 365 -CA new_certificates/example.com.crt -CAkey new_certificates/example.com.key -set_serial 0 -in new_certificates/httpbin.example.com.csr -out new_certificates/httpbin.example.com.crt
+openssl x509 -req -sha256 -days 365 -CA new_certificates/example.com.crt -CAkey new_certificates/example.com.key -set_serial 0 -in new_certificates/httpbin.example.com.csr -out new_certificates/httpbin.example.com.crt
 kubectl create -n istio-system secret tls httpbin-credential \
 --key=new_certificates/httpbin.example.com.key \
 --cert=new_certificates/httpbin.example.com.crt
@@ -193,7 +193,7 @@ EOF
 
 snip_configure_a_tls_ingress_gateway_for_multiple_hosts_3() {
 openssl req -out helloworld-v1.example.com.csr -newkey rsa:2048 -nodes -keyout helloworld-v1.example.com.key -subj "/CN=helloworld-v1.example.com/O=helloworld organization"
-openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in helloworld-v1.example.com.csr -out helloworld-v1.example.com.crt
+openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in helloworld-v1.example.com.csr -out helloworld-v1.example.com.crt
 }
 
 snip_configure_a_tls_ingress_gateway_for_multiple_hosts_4() {
@@ -331,7 +331,7 @@ ENDSNIP
 
 snip_configure_a_mutual_tls_ingress_gateway_4() {
 openssl req -out client.example.com.csr -newkey rsa:2048 -nodes -keyout client.example.com.key -subj "/CN=client.example.com/O=client organization"
-openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
+openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
 }
 
 snip_configure_a_mutual_tls_ingress_gateway_5() {