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2.2.1.11.1 Client Info PDU Data (CLIENT_INFO_PDU)

The CLIENT_INFO_PDU structure serves as a wrapper for a Security Header (section 2.2.8.1.1.2) and the actual client information contained in a TS_INFO_PACKET structure (section 2.2.1.11.1.1).


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securityHeader (variable)

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infoPacket (variable)

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securityHeader (variable): Security header. The format of the security header depends on the Encryption Level and Encryption Method selected by the server (sections 5.3.2 and 2.2.1.4.3). This field MUST contain one of the following headers:

  • Basic Security Header (section 2.2.8.1.1.2.1) if the Encryption Level selected by the server is ENCRYPTION_LEVEL_NONE (0).

  • Non-FIPS Security Header (section 2.2.8.1.1.2.2) if the Encryption Method selected by the server is ENCRYPTION_METHOD_40BIT (0x00000001), ENCRYPTION_METHOD_56BIT (0x00000008), or ENCRYPTION_METHOD_128BIT (0x00000002).

  • FIPS Security Header (section 2.2.8.1.1.2.3) if the Encryption Method selected by the server is ENCRYPTION_METHOD_FIPS (0x00000010).

The flags field of the security header MUST contain the SEC_INFO_PKT flag (section 2.2.8.1.1.2.1).

infoPacket (variable): Client information, as specified in TS_INFO_PACKET.