Authentication

After a TCP/IP connection to the home power plant has been established, an authentication frame must first be sent.

This consists of a data block RSCP.REQ_AUTHENTICATION of type container. This contains two data blocks. Once RSCP.AUTHENTICATION_USER and RSCP.AUTHENTICATION_PASSWORD. Each of the type string. The access data to the E3DC portal are set as values.

Example authentication frame

In the example, the username TEST and the password 123 were used:

Human readableAs hex code

Timestamp:  2023-09-20T14:22:25.542694Z
WithChecksum:   true
    Tag:    RSCP.REQ_AUTHENTICATION - 00000001
    Type:   CONTAINER - 0e
        Tag:    RSCP.AUTHENTICATION_USER - 00000002
        Type:   STRING - 0d
        Value:  TEST - 54455354

        Tag:    RSCP.AUTHENTICATION_PASSWORD - 00000003
        Type:   STRING - 0d
        Value:  123 - 313233

e3dc001121000b650000000070da58201c00010000000e1500020000000d040054455354030000000d030031323378babe16

Response frame on successful authentication

Human readableAs hex code

Timestamp:  2023-09-20T14:26:14.787390Z
WithChecksum:   true
    Tag:    RSCP.AUTHENTICATION - 00800001
    Type:   UCHAR8 - 03
    Value:  10 - 0a

e3dc001106010b6500000000309eee2e0800010080000301000ad4e6f5cf

The response frame contains the value 10. This specifies some kind of authorization. The following values are known (Even though we usually always have to make do with the USER level):

Wert	E3DC Name
0	NO_AUTH
10	USER
20	INSTALLER
30	PARTNER
40	E3DC
50	E3DC_ADMIN
60	E3DC_ROOT

Response frame if authentication is NOT successful

Human readableAs hex code

Timestamp:  2023-09-20T14:27:42.534655Z
WithChecksum:   true
    Tag:    RSCP.AUTHENTICATION - 00800001
    Type:   INT32 - 06
    Value:  0 - 00000000

e3dc00115e010b65000000001830de1f0b00010080000604000000000003120cf6