openssl x509 -in idp.flowtreasure.cer -inform der -out PushChatCert.pem


openssl pkcs12 -nocerts -out PushChatKey.pem -in flowtreasure.idp.pro.p12


输入三次密码


cat PushChatCert.pem PushChatKey.pem > ck.pem

验证是否有效

openssl s_client -connect gateway.sandbox.push.apple.com:2195 -cert PushChatCert.pem -key PushChatKey.pem