将 ESP32 与 AWS IOT 连接时出现以下错误:-(以下附有错误)我浏览了许多链接,但无法解决问题。我已经生成了有效的证书,这些证书是:-
aws-root-ca.pem
证书.pem.crt
私人.pem.key
E (5446) aws_iot: failed! mbedtls_ssl_handshake returned -0x2700
E (5446) aws_iot: Unable to verify the server's certificate.
E (5456) subpub: Error(-4) connecting to a39wjx7wm5wvia-ats.iot.us-east-2.amazonaws.com:8883