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  3. Unknown Tag Error Occured

Unknown tag error occured

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By wooreeinfo , 9 February, 2023
Forums
Gurux DLMS for Java

Hi Mikko,

I'm trying to connect our meter (based on gurux.dlms.java library) via our contractee's client program (based on Gurux.DLMS.Net library).
This client only support secured connections with ECDSA certificate, and it works well with other meters.

But when I try to connect our meter using this program, it always shows 'Unknown tag' error like below and connection failed.

RX: 7E A0 21 24 FF 27 93 FD EF 81 80 14 05 02 04 00 06 02 04 00 07 04 00 00 00 01 08 04 00 00 00 01 72 E3 7E
TX: 7E A0 1F 27 24 FF 73 05 AF 81 80 12 05 01 80 06 01 80 07 04 00 00 00 01 08 04 00 00 00 01 53 3B 7E
RX: 7E A8 8A 24 FF 27 10 1E D5 E6 E6 00 60 82 02 3E A1 09 06 07 60 85 74 05 08 01 01 A6 0A 04 08 41 42 43 44 45 46 47 48 A7 82 01 E0 04 82 01 DC 30 82 01 D8 30 82 01 7C A0 03 02 01 02 02 04 1D D1 2D 5E 30 0C 06 08 2A 86 48 CE 3D 04 03 02 05 00 30 30 31 0B 30 09 06 03 55 04 06 13 02 6B 72 31 0E 30 0C 06 03 55 04 0A 0C 05 6B 65 70 63 6F 31 11 30 0F 06 03 55 04 03 0C 08 41 4D 49 43 41 30 30 31 30 20 17 0D 32 31 31 19 BB 7E
TX: 7E A0 08 27 24 FF 31 8F 4A 7E
RX: 7E A8 8A 24 FF 27 12 0C F6 30 30 36 32 32 30 30 30 30 5A 18 0F 39 39 39 39 31 32 33 31 31 34 35 39 35 39 5A 30 43 31 0B 30 09 06 03 55 04 06 13 02 6B 72 31 0E 30 0C 06 03 55 04 0A 0C 05 6B 65 70 63 6F 31 0C 30 0A 06 03 55 04 0B 0C 03 41 4D 49 31 16 30 14 06 03 55 04 03 0C 0D 4E 4A 43 31 33 32 31 30 30 30 35 35 30 30 59 30 13 06 07 2A 86 48 CE 3D 02 01 06 08 2A 86 48 CE 3D 03 01 07 03 42 00 04 8F 3B E1 F4 E6 AF 0C 7E
TX: 7E A0 08 27 24 FF 51 89 29 7E
RX: 7E A8 8A 24 FF 27 14 3A 93 6A 58 59 A7 74 67 FB CA DB FB 05 E4 CB C9 7C CE AE D2 45 7B E8 5E 99 7B BD BE 0F D0 B5 35 18 98 F5 75 86 92 9A CA F5 5A 36 0A 09 40 5A 17 B1 AF 14 7E 17 FF F0 31 97 28 6F A7 8E A3 6D 30 6B 30 59 06 03 55 1D 23 04 52 30 50 80 14 2F 3B D6 ED F8 C2 CE 39 CD C1 E4 F3 79 EA BC FD 49 3E 7F 78 A1 34 A4 32 30 30 31 0B 30 09 06 03 55 04 06 13 02 6B 72 31 0E 30 0C 06 03 55 04 0A 0C 05 6B 65 8E 1E 7E
TX: 7E A0 08 27 24 FF 71 8B 08 7E
RX: 7E A8 8A 24 FF 27 16 28 B0 70 63 6F 31 11 30 0F 06 03 55 04 03 0C 08 52 4F 4F 54 43 41 30 31 82 02 00 85 30 0E 06 03 55 1D 0F 01 01 FF 04 04 03 02 06 C0 30 0C 06 08 2A 86 48 CE 3D 04 03 02 05 00 03 48 00 30 45 02 21 00 DE C4 2E 17 16 57 8E 5B C6 1B AB 27 F3 6D 93 96 25 A6 2E E8 91 FF FC 65 78 95 3E B4 E6 1B 73 9E 02 20 69 34 FA 68 13 C6 6E 78 2D EF 9A 06 12 9D D8 15 5A C3 47 8A 97 4C 78 3F 79 43 9F 27 25 0C A1 B5 7E
TX: 7E A0 08 27 24 FF 91 85 EF 7E
RX: 7E A0 4F 24 FF 27 18 2D 15 E8 11 8A 02 07 80 8B 07 60 85 74 05 08 02 07 AC 22 80 20 F5 D3 52 03 68 9E D4 B0 E5 EA B0 B5 EC FC C5 60 7F C7 09 18 96 23 C9 D3 2B 2F A3 8D FE 08 98 AC BE 10 04 0E 01 00 00 00 06 5F 1F 04 00 40 18 1F 04 00 D1 A5 7E
2월 09, 2023 11:29:41 오전 gurux.dlms.GXAPDU parsePDU2
WARNING: Unknown tag: 130.
2월 09, 2023 11:29:41 오전 gurux.dlms.GXAPDU parsePDU2
WARNING: Unknown tag: 48.
2월 09, 2023 11:29:41 오전 gurux.dlms.GXAPDU parsePDU2
WARNING: Unknown tag: 49.
2월 09, 2023 11:29:41 오전 gurux.dlms.GXAPDU parsePDU2
WARNING: Unknown tag: 49.
2월 09, 2023 11:29:41 오전 gurux.dlms.GXAPDU parsePDU2
WARNING: Unknown tag: 49.
2월 09, 2023 11:29:41 오전 gurux.dlms.GXAPDU parsePDU2
WARNING: Unknown tag: 48.
2월 09, 2023 11:29:41 오전 gurux.dlms.GXAPDU parsePDU2
WARNING: Unknown tag: 48.
2월 09, 2023 11:29:41 오전 gurux.dlms.GXAPDU parsePDU2
WARNING: Unknown tag: 3.

Would you please let me know why this error occured?

Thanks and regards.

Profile picture for user Kurumi

Kurumi

3 years 4 months ago

Hi, Your messages are…

Hi,

Your messages are encrypted. Can you share the block cipher and authentication keys so I can check this?

BR,
Mikko

wooreeinfo

3 years 4 months ago

In reply to Hi, Your messages are… by Kurumi

When I asked contract…

When I asked contract company, they said it use an ephemeral key using ecdsa certificate and private key.
I think I need to check this and ask again later with a new post.

Thanks and regards.

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