Quectel UC20 SSL AT Commands Manual V1.0

• About the Document
• Contents
• Table Index
• 1 Introduction
  • 1.1. SSL Version and CipherSuite
  • 1.2. Procedures of Using SSL Function
  • 1.3. Description of Data Access Mode
  • 1.4. Time Check for Certificate
  • 1.5. Open SSL Connection Fails
• 2 Description of AT Command
  • 2.1. AT Command Syntax
  • 2.2. Description of AT Command
    • 2.2.1. AT+QSSLCFG Configure the Parameters of SSL Context
    • 2.2.2. AT+QSSLOPEN Open a SSL Socket to Connect Remote Server
    • 2.2.3. AT+QSSLSEND Send Data via SSL Connection
    • 2.2.4. AT+QSSLRECV Receive Data via SSL Connection
    • 2.2.5. AT+QSSLCLOSE Close SSL Connection
    • 2.2.6. AT+QSSLSTATE Query the State of SSL Connection
  • 2.3. URC Description
    • 2.3.1. Notify Received Data
    • 2.3.2. Notify Abnormal Close
    • 2.3.3. Notify SSL Security Error
• 3 Example
  • 3.1. Configure and Activate the PDP Context
    • 3.1.1. Configure Context
    • 3.1.2. Activate Context
    • 3.1.3. Deactivate Context
  • 3.2. Configure SSL Context
  • 3.3. SSL Client Works in Buffer Access Mode
    • 3.3.1. Set up a SSL Connection and Enter into Buffer Access Mode
    • 3.3.2. Send Data in Buffer Access Mode
    • 3.3.3. Receive Data in Buffer Access Mode
    • 3.3.4. Close SSL Connection
  • 3.4. SSL Client Works in Direct Push Mode
    • 3.4.1. Set up a SSL Connection and Enter into Direct Push Mode
    • 3.4.2. Send Data in Direct Push Mode
    • 3.4.3. Receive Data in Direct Push Mode
    • 3.4.4. Close SSL Connection
  • 3.5. SSL Client Works in Transparent Access Mode
    • 3.5.1. Set up a SSL Connection and Send Data in Transparent Access Mode
    • 3.5.2. Set up a SSL Connection and Receive Data in Transparent Access Mode
    • 3.5.3. Close SSL Connection
• 4 Appendix A Reference