Winnie.Xi-Q:
Hi,
Please make sure your certificate is available.
Then confirm which cipher suite the server supports.
And then you can execute at+qsslcfg=? to check the cipher suite supported by the module.
If the cipher suite supported by the server is not in the list of module, you cannot connect.
After several weeks of trying:
Version supported by TLS server = 1.2
The server currently supports the following Cipher Suites:
0X0035 TLS_RSA_WITH_AES_256_CBC_SHA
0X002F TLS_RSA_WITH_AES_128_CBC_SHA
0X000A TLS_RSA_WITH_3DES_EDE_CBC_SHA
0X003D TLS_RSA_WITH_AES_256_CBC_SHA256
By the command at + qsslcfg = âciphersuiteâ, 0 modules support the following:
(06: 21: 48.226) (<<) at + qsslcfg = âciphersuiteâ, 0
(06: 21: 48.335) (>>)
(06: 21: 48.335) (>>) + QSSLCFG: âciphersuiteâ, â0X0005,0X0004,0X0035,0X002F, 0X003D, 0X000A, 0X009D, 0X009C, 0XC027,0XC028,0XC030â
(06: 21: 48.335) (>>)
(06: 21: 48.335) (>>) OK
//-----------------------------------------
I will send the atCommand as follows: (But when I open ssl tcp, I get a connection error)
(05:53:22.007) (>>)
(05:53:47.321) (>>) RDY
(05:53:47.711) (>>)
(05:53:47.711) (>>) +CFUN: 1
(05:53:47.976) (>>)
(05:53:47.976) (>>) +CPIN: READY
(05:53:50.820) (>>)
(05:53:50.820) (>>) Call Ready
(05:53:52.616) (>>)
(05:53:52.616) (>>) SMS Ready
(05:53:56.289) (<<) AT
(05:53:56.366) (>>) AT
(05:53:56.366) (>>) OK
(05:53:56.929) (<<) AT+CMEE=2
(05:53:56.991) (>>) AT+CMEE=2
(05:53:56.991) (>>) OK
(05:53:58.697) (<<) ATE0
(05:53:58.803) (>>) ATE0
(05:53:58.803) (>>) OK
(05:54:06.383) (<<) AT+QSECWRITE=âRAM:ca_cert.pemâ,4464,100
(05:54:06.460) (>>)
(05:54:06.460) (>>) CONNECT
(05:54:08.210) (<<) -----BEGIN CERTIFICATE-----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-----END CERTIFICATE----------BEGIN CERTIFICATE-----MIIEtDCCA5ygAwIBAgIRAJOShUABZXFflH8oj+/JmygwDQYJKoZIhvcNAQELBQAwPjELMAkGA1UEBhMCUEwxGzAZBgNVBAoTElVuaXpldG8gU3AuIHogby5vLjESMBAGA1UEAxMJQ2VydHVtIENBMB4XDTA4MTAyMjEyMDczN1oXDTI3MDYxMDEwNDYzOVowfjELMAkGA1UEBhMCUEwxIjAgBgNVBAoTGVVuaXpldG8gVGVjaG5vbG9naWVzIFMuQS4xJzAlBgNVBAsTHkNlcnR1bSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTEiMCAGA1UEAxMZQ2VydHVtIFRydXN0ZWQgTmV0d29yayBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOP7faNyusLwyRSH9WsBTuFuQAe6bSddf/dbLbNax1Ffq6QypmGHtm4PhtIwApf412lXoRg5XWpkecYBWaw8MUo4fNIE0kso6CBfOweizE1z2/OuT8dW1Vqnlon686to1COGWSfPCSe8rG5ygxwwct/gounS4XR1Gb0qnnsVVAQb10M5rVUoxeIau/TA5K44STPMdoWfOUXSpJ7yEoxR+HzkLX/1rF/rFp+xLdG6zJFCd0wlyZA4b9vwzPuOHpdZPtVgTuYFKO1JeRNLukjbL/ly0znK/h/YNHL1tEDPMQHD7N4RLRddH7hQ0V4Zp2neBzMoylCV+adUy1SGUEWp+UkCAwEAAaOCAWswggFnMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFAh2zcsH/yT2xc3tu5C84oQ3RnX3MFIGA1UdIwRLMEmhQqRAMD4xCzAJBgNVBAYTAlBMMRswGQYDVQQKExJVbml6ZXRvIFNwLiB6IG8uby4xEjAQBgNVBAMTCUNlcnR1bSBDQYIDAQAgMA4GA1UdDwEB/wQEAwIBBjAsBgNVHR8EJTAjMCGgH6AdhhtodHRwOi8vY3JsLmNlcnR1bS5wbC9jYS5jcmwwaAYIKwYBBQUHAQEEXDBaMCgGCCsGAQUFBzABhhxodHRwOi8vc3ViY2Eub2NzcC1jZXJ0dW0uY29tMC4GCCsGAQUFBzAChiJodHRwOi8vcmVwb3NpdG9yeS5jZXJ0dW0ucGwvY2EuY2VyMDkGA1UdIAQyMDAwLgYEVR0gADAmMCQGCCsGAQUFBwIBFhhodHRwOi8vd3d3LmNlcnR1bS5wbC9DUFMwDQYJKoZIhvcNAQELBQADggEBAI3m/UBmo0ycp6uh2oTdHDAH5tvHLeyDoVbkHTwmoaUJK+h9Yr6ydZTdCPJ/KEHkgGcCToqPwzXQ1aknKOrS9KsGhkOujOP5iH3g271CgYACEnWy6BdxqyGVMUZCDYgQOdNv7C9C6kBTYr/rynieq6LVLgXqM6vp1peUQl4E7Sztapx6lX0FKgV/CF1mrWHUdqx1lpdzY70aQVkppV4ig8OLWfqaova9ML9yHRyZhpzyhTwd9yaWLy75ArG1qVDoOPqbCl60BMDOTjksygtbYvBNWFA0meaaLNKQ1wmB1sCqXs7+0vehukvZ1oaOGR+mBkdCcuBWCgAceLmNzJkEN0k=-----END CERTIFICATE----------BEGIN CERTIFICATE-----MIIDDDCCAfSgAwIBAgIDAQAgMA0GCSqGSIb3DQEBBQUAMD4xCzAJBgNVBAYTAlBMMRswGQYDVQQKExJVbml6ZXRvIFNwLiB6IG8uby4xEjAQBgNVBAMTCUNlcnR1bSBDQTAeFw0wMjA2MTExMDQ2MzlaFw0yNzA2MTExMDQ2MzlaMD4xCzAJBgNVBAYTAlBMMRswGQYDVQQKExJVbml6ZXRvIFNwLiB6IG8uby4xEjAQBgNVBAMTCUNlcnR1bSBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAM6xwS7TT3zNJc4YPk/EjG+AanPIW1H4m9LcuwBcsaD8dQPugfCI7iNS6eYVM42sLQnFdvkrOYCJ5JdLkKWoePhzQ3ukYbDYWMzhbGZ+nPMJXlVjhNWo7/OxLjBos8Q82KxujZlakE403Daaj4GIULdtlkIJ89eVgw1BS7Bqa/j8D35in2fE7SZfECYPCE/wpFcozo+47UX2bu4lXapuOb7kky/ZR6By6/qmW6/KUz/iDsaWVhFu9+lmqSbYf5VT7QqFiLpPKaVCjF62/IUgAKpoC6EahQGcxEZjgoi2IrHu/qpGWX7PNSzVttpd90gzFFS269lvzs2I1qsb2pY7HVkCAwEAAaMTMBEwDwYDVR0TAQH/BAUwAwEB/zANBgkqhkiG9w0BAQUFAAOCAQEAuI3O7+cUus/usESSbLQ5PqKEbq24IXfS1HeCh+YgQYHu4vgRt2PRFze+GXYkHAQaTOs9qmdvLdTN/mUxcMUbpgIKumB7bVjCmkn+YzILa+M6wKyrO7Do0wlRjBCDxjTgxSvgGrZgFCdsMneMvLJymM/NzD+5yCRCFNZX/OYmQ6kd5YCQzgNUKD73P9P4Te1qCjqTE5s7FCMTY5w/0YcneeVMUeMBrYVdGjux1XMQpNPyvG5k9VpWkKjHDkx0Dy5xO/fIR/RpbxXyEV6DHpx8Uq79AtoSqFlnGNu8cN2bsWntgM6JQEhqDjXKKWYVIZQs6GAqm4VKQPNriiTsBhYscw==-----END CERTIFICATE-----
(05:54:14.867) (>>)
(05:54:14.867) (>>) +QSECWRITE: 4464,5f77
(05:54:14.867) (>>)
(05:54:14.867) (>>) OK
(05:54:18.335) (<<) AT+QSECWRITE=âRAM:client_cert.pemâ,2252,100
(05:54:18.428) (>>)
(05:54:18.428) (>>) CONNECT
(05:54:19.210) (<<) -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
(05:54:22.478) (>>)
(05:54:22.478) (>>) +QSECWRITE: 2252,641
(05:54:22.478) (>>)
(05:54:22.478) (>>) OK
(05:54:26.726) (<<) AT+QSECWRITE=âRAM:client_key.pemâ,1680,100
(05:54:26.801) (>>)
(05:54:26.801) (>>) CONNECT
(05:54:27.663) (<<) -----BEGIN PRIVATE KEY-----MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQCyxTWxim2J31exEDJM34FqAtc6rfscpxGLVMFf/nGd6zTtCmffDfHR7R7FvPGJUWih51Dd5ugDIRmkivQdMfxHU7MW3OkuAsGUhOJLegb4XQvC6UcyakAMBZAHaQsnY3tdjLxz5Q12QG7YaQvmMGTQY7N5onx4j5/qQdOi0mDBGWI2v5ZxWuKcu/1QUmbFo15Sc9GmOXpKgzhuuJEkwLwtDtOPGutzLplKroPLiWJsgidNJcHi1BxpsH55sBrHLCLg//d1N09RTQiucc7dlwQGX/mrjUsPSWd+uvfTC/p+j5155rRJbThXJl5XUPEsl4+DnRw18Wux0IfeAq8wP3lJAgMBAAECggEBAIyCAD+443t39X6PklllWlwuO2g9kp7kmR9/0DVY0YgjdAfTI+znEufCjWsxpE4flDOckay3bif3fiYbqN7BiN2u5ZXUr9mgBPJst0hHcu8GgtYBcBop9Ij+XkPUxhWBVVcj5ILaxwfogLbLabTU2IgJtOinU1mW2UPP1T2mSLG7p1efsnE4Bzukl1U+svcU41NskivmXzqwh37LlHJ6OS1B+fQHRFF27nmF0JK9yZZjJBdN3kJnTiZNdaec4EV4bYdY7A44tcKcVq5RKP1A6DNqnVQgJ4GIsMVDZkDaJNliXV6BK9Rq+WkNT47FwTvqkGI4mljbUlKwTFFa88gMHjkCgYEA210ORdFdSFjreMfeD/0ZzrIPTbcGxQAi36EcNyWOYUieeWjBA0jobnpHcxqzLCOOkCztXiGp7J3LGsiniLyuhpuN7XmQeXeybCuYVAwd4TW67rGPlqhgC+QdHutDySGMqS1PqgzSoiWSA/LC8s4FkR+RZRtiFR0/GpHc+tS6ny8CgYEA0KCVTeCEgOj5tBX/TnmJUgmyEV2d50rf4j6Pvd8ydMc4U0gH+y+x7NO9rieTduw4Jx8tQl2HvM3+y7ntTl51ceOV8dBKWG7KSUgixPyztEC41tu/KkovO7UTVpzu5mO+pOVF2ZLMRtWDaaFPbCV6G1n94E6WKTcIA480daHdEQcCgYEA0+cUfoU8o0KiVM5dyPwqDe0bs2r2cx8qkPRFGVCCNZ+81nNG4DFxticRFjPYmO7QLJ35vlCuoQ/cv0bN79y0ivuBIsGnum7SQIPsZmQ+COuqZCHKHzMPdO0q5E9H7+ckxdgreI1ie5fncUD06S/zWLkx7oWBPfw+lSAKY5NTo6kCgYA9SS8S9YV3KPlRgbTCJMnGI7r/hvS/4Srrl106dbqou208aciObXBjFcB+zHlxUesc8vekqz0YpZrX1gJ0JyNxFV4S7xEn8UPTSzGLlIBlzy19UIhTr/84FvVbWDaFz39NiVx/kbQYithTy2M9bbT1G/aMUgmiidv8z7Clbas3OQKBgQClI8zk9oMLupg/cGMJfLNYURt/YaF4zfU3DtpUZw8mUoH5U+4NG8qzaqyECYJ3rIUnc92O5WgHFHiX4cJnukUlWzdBr1N/TgglPe05ysYqfpbZA7gV/OvJsJZp8K8adCYyuH/kN/r18l0l6/QzxENIKFLyXEPUeLfIRMyWlAgYgg==-----END PRIVATE KEY-----
(05:54:30.038) (>>)
(05:54:30.038) (>>) +QSECWRITE: 1680,700
(05:54:30.038) (>>)
(05:54:30.038) (>>) OK
(05:54:43.491) (<<) AT+QIFGCNT=0
(05:54:43.602) (>>)
(05:54:43.602) (>>) OK
(05:54:45.664) (<<) AT+QICSGP=1,âmcinetâ
(05:54:45.757) (>>)
(05:54:45.757) (>>) OK
(05:54:47.867) (<<) AT+QIREGAPP
(05:54:47.959) (>>)
(05:54:47.959) (>>) OK
(05:54:48.867) (<<) AT+QIACT
(05:54:49.273) (>>)
(05:54:49.273) (>>) OK
(05:54:51.321) (<<) AT+QILOCIP
(05:54:51.414) (>>)
(05:54:51.414) (>>) 22.141.102.154
(05:54:55.054) (<<) AT+QSSLCFG=âignorertctimeâ,1
(05:54:55.163) (>>)
(05:54:55.163) (>>) OK
(05:54:56.116) (<<) AT+QSSLCFG=âsslversionâ,0,4
(05:54:56.132) (>>)
(05:54:56.132) (>>) OK
(05:54:57.148) (<<) AT+QSSLCFG=âciphersuiteâ,0,â0XFFFFâ
(05:54:57.226) (>>)
(05:54:57.226) (>>) OK
(05:54:59.024) (<<) AT+QSSLCFG=âseclevelâ,0,2
(05:54:59.085) (>>)
(05:54:59.085) (>>) OK
(05:55:00.164) (<<) AT+QSECREAD=âRAM:ca_cert.pemâ
(05:55:00.226) (>>)
(05:55:00.226) (>>) +QSECREAD: 1,5f77
(05:55:00.226) (>>)
(05:55:00.226) (>>) OK
(05:55:01.366) (<<) AT+QSECREAD=âRAM:client_cert.pemâ
(05:55:01.445) (>>)
(05:55:01.445) (>>) +QSECREAD: 1,641
(05:55:01.445) (>>)
(05:55:01.445) (>>) OK
(05:55:02.179) (<<) AT+QSECREAD=âRAM:client_key.pemâ
(05:55:02.210) (>>)
(05:55:02.210) (>>) +QSECREAD: 1,700
(05:55:02.210) (>>)
(05:55:02.210) (>>) OK
(05:55:03.429) (<<) AT+QSSLCFG=âcacertâ,0,âRAM:ca_cert.pemâ
(05:55:03.461) (>>)
(05:55:03.461) (>>) OK
(05:55:04.274) (<<) AT+QSSLCFG=âclientcertâ,0,âRAM:client_cert.pemâ
(05:55:04.304) (>>)
(05:55:04.304) (>>) OK
(05:55:05.413) (<<) AT+QSSLCFG=âclientkeyâ,0,âRAM:client_key.pemâ
(05:55:05.570) (>>)
(05:55:05.570) (>>) OK
(05:55:17.726) (<<) AT+QSSLOPEN=1,0,â194.5.175.21â,9103,1
(05:55:17.803) (>>)
(05:55:17.803) (>>) OK
(05:55:17.803) (>>)
(05:55:17.803) (>>) +QSSLOPEN: 1,-1
(05:55:28.133) (<<) AT+QSSLOPEN=1,0,â194.5.175.21â,9103,0
(05:55:28.241) (>>)
(05:55:28.241) (>>) OK
(05:55:28.241) (>>)
(05:55:28.241) (>>) +QSSLOPEN: 1,-1
//---------------------------------------------------------------
Please help me, I have been in this problem for a long time