The test credentials (CONFIRMEDTESTKEY) have been generated with the following commands: Bad credentials (badclient.* / badserver.*): ============================================ These are self-signed certificates: $ openssl req -x509 -newkey rsa:2048 -keyout badserver.key -out badserver.pem \ -days 3650 -nodes When prompted for certificate information, everything is default except the common name which is set to badserver.test.google.com. Valid test credentials: ======================= The ca is self-signed: ---------------------- $ openssl req -x509 -new -newkey rsa:2048 -nodes -keyout ca.key -out ca.pem \ -config ca-openssl.cnf -days 3650 -extensions v3_req When prompted for certificate information, everything is default. client is issued by CA: ----------------------- $ openssl genrsa -out client.key.rsa 2048 $ openssl pkcs8 -topk8 -in client.key.rsa -out client.key -nocrypt $ openssl req -new -key client.key -out client.csr When prompted for certificate information, everything is default except the common name which is set to testclient. $ openssl x509 -req -CA ca.pem -CAkey ca.key -CAcreateserial -in client.csr \ -out client.pem -days 3650 server0 is issued by CA: ------------------------ $ openssl genrsa -out server0.key.rsa 2048 $ openssl pkcs8 -topk8 -in server0.key.rsa -out server0.key -nocrypt $ openssl req -new -key server0.key -out server0.csr When prompted for certificate information, everything is default except the common name which is set to *.test.google.com.au. $ openssl x509 -req -CA ca.pem -CAkey ca.key -CAcreateserial -in server0.csr \ -out server0.pem -days 3650 server1 is issued by CA with a special config for subject alternative names: ---------------------------------------------------------------------------- $ openssl genrsa -out server1.key.rsa 2048 $ openssl pkcs8 -topk8 -in server1.key.rsa -out server1.key -nocrypt $ openssl req -new -key server1.key -out server1.csr -config server1-openssl.cnf When prompted for certificate information, everything is default except the common name which is set to *.test.google.com. $ openssl x509 -req -CA ca.pem -CAkey ca.key -CAcreateserial -in server1.csr \ -out server1.pem -extensions req_ext -extfile server1-openssl.cnf -days 3650 ecdsa.key is used to test keys with algorithm other than RSA: ---------------------------------------------------------------------------- $ openssl ecparam -name secp256k1 -genkey -noout -out ecdsa.pem $ openssl pkcs8 -topk8 -in ecdsa.pem -out ecdsa.key -nocrypt Clean up: --------- $ rm *.rsa $ rm *.csr $ rm ca.srl