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Read telegrams from Sagemcom T210-D smart meters

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consumption electricity energy luxembourg meter p1 power sagemcom smart

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sage's Issues

Unsupported state or unable to authenticate data

When i try to gather data, i'm getting this authenticate data Error. I checked my decryption keys twice and also tried to switch positions.

20:12:23.414Z ERROR app: Unsupported state or unable to authenticate data
Error: Unsupported state or unable to authenticate data
at Decipheriv.final (internal/crypto/cipher.js:164:28)
at DecryptDatagram (/home/pi/sage/app.js:71:69)
at SerialPort.port.on (/home/pi/sage/app.js:134:23)
at SerialPort.emit (events.js:198:13)
at addChunk (_stream_readable.js:288:12)
at readableAddChunk (_stream_readable.js:269:11)
at SerialPort.Readable.push (_stream_readable.js:224:10)
at binding.read.then (/home/pi/sage/node_modules/@serialport/stream/lib/index.js:385:12)

not sure if the Decryption process fails, or else.

many thanks, cheers Philipp

AAD is not fixed in Austria

The AAD is not fixed to 3000112233445566778899AABBCCDDEEFF in Austria for Sagemcom T210 smart meters.
Normally the value will be delivered together with the main key.
AAD is named Global Authentication Key (GAK).

Thus this value should be configurable.

Unknown Data length

Hello,

When reading out my smart meter I get the following output:

09:53:11.750Z  INFO app: Listening to device: /dev/ttyUSB0
09:53:12.370Z DEBUG app: Received data 1: db08534147350000b3208201f2300000003e30b724f3c9d19fd1b584c894bb6b97755a957a66b3fd (truncated) / size: 200
09:53:12.388Z  WARN app: Unknown data length (100), ignoring data
09:53:12.656Z DEBUG app: Received data 2: 610ffab8bec94421077c3fffab10f850655722eadac1c17cbe45caaf48e755052fa4ceaa70edba0d (truncated) / size: 400
09:53:12.667Z  WARN app: Unknown data length (200), ignoring data
09:53:12.680Z DEBUG app: Received data 3: b1f1545ddfe11e57e71b9ad2b198d571c6e07fb949e5e95f109ee0c35a7564bfb3e48b9c8f25c981 (truncated) / size: 422
09:53:12.696Z  WARN app: Unknown data length (211), ignoring data
09:53:22.329Z DEBUG app: Received data 4: db08534147350000b3208201f2300000003f1da427e3da162d31ba5095e4f489659bded7ea32b9cf (truncated) / size: 200
09:53:22.345Z  WARN app: Unknown data length (100), ignoring data
09:53:22.351Z DEBUG app: Received data 5: 4a1a1ee4780c825c059b0048812b222f1dfe1c682f0a9c0ecccb190092  / size: 58
09:53:22.368Z  WARN app: Unknown data length (29), ignoring data
09:53:22.374Z DEBUG app: Received data 6: 020c60af702fbca68c0914fba89d742972d9efee2ffdf936c35e639b50547de0839c92ccf9949b89 (truncated) / size: 238
09:53:22.388Z  WARN app: Unknown data length (119), ignoring data
09:53:22.401Z DEBUG app: Received data 7: 3903900345f924f197ce2531485c6df56c5592114f7bce370b84ce920a8146c304dc5f5320c10e23 (truncated) / size: 104
09:53:22.414Z  WARN app: Unknown data length (52), ignoring data
09:53:22.427Z DEBUG app: Received data 8: 4662e133f8e03cc4d8883439ce0c9cb334b20fb0b64f118e686d4ca55d5286e0eec3646d897f18f6 (truncated) / size: 200
09:53:22.437Z  WARN app: Unknown data length (100), ignoring data
09:53:22.471Z DEBUG app: Received data 9: 77cea08f0334a186d2f601cc9ed04837fe7a65db62ffd4dd994008dfe8f7d9da75cc1d5c2f679e1e (truncated) / size: 118
09:53:22.483Z  WARN app: Unknown data length (59), ignoring data
09:53:22.494Z DEBUG app: Received data 10: 4fbc80f7a01867a447cd42ada39ac1af1b192752629c39e6585e92b99a8ad9c1a0d9e7e06984cc8c (truncated) / size: 82
09:53:22.507Z  WARN app: Unknown data length (41), ignoring data
09:53:22.517Z DEBUG app: Received data 11: ff75a0cf3e873047d96680  / size: 22
09:53:22.534Z  WARN app: Unknown data length (11), ignoring data
09:53:32.300Z DEBUG app: Received data 12: db08534147350000b3208201f230000000400f24846b  / size: 44
09:53:32.309Z  WARN app: Unknown data length (22), ignoring data
09:53:32.329Z DEBUG app: Received data 13: 986f10abfdca9a8844a4668160467193b6836e9094d36424b3287389316a1bc250dc87c22f505090 (truncated) / size: 156
09:53:32.346Z  WARN app: Unknown data length (78), ignoring data
09:53:32.366Z DEBUG app: Received data 14: 1e43a2bba44d6ca1d3d0f1fb1c10b1811411df0e11295097aa0cb70dd512a298e18d30ed5fbcfa18 (truncated) / size: 112
09:53:32.369Z  WARN app: Unknown data length (56), ignoring data
09:53:32.388Z DEBUG app: Received data 15: 27ab799c8c91a02333b6a414f862d9a0e191e596b433df229b2513c99ed0af05822b1862e3181696 (truncated) / size: 148
09:53:32.391Z  WARN app: Unknown data length (74), ignoring data
09:53:32.413Z DEBUG app: Received data 16: 676e42f294d912ef1899041fe58207e14db0e47f1ce09a9fde721e1db2c19657dd95ad2c3a8ff705 (truncated) / size: 140
09:53:32.429Z  WARN app: Unknown data length (70), ignoring data
09:53:32.449Z DEBUG app: Received data 17: 354ef4b29feafdabc911629f6ef4469ec48a09940ec1c6c96671786be3ec743393254ca094f59301 (truncated) / size: 200
09:53:32.468Z  WARN app: Unknown data length (100), ignoring data
09:53:32.494Z DEBUG app: Received data 18: e5db34e4f3251bac0e83f4067c28de8ebf22e9c697c4068d1a7ccce1bf330dde429c31f30062c72e (truncated) / size: 86
09:53:32.517Z  WARN app: Unknown data length (43), ignoring data
09:53:32.523Z DEBUG app: Received data 19: 9233220fe00f50319475568a017ca3e7652296ef72317feb6c98ef223855f65d0443dbd507a7706f (truncated) / size: 136
09:53:32.544Z  WARN app: Unknown data length (68), ignoring data

When I dump the input from the serial device I see something similar to the datagram you have in the documentation (I see the start bytes of a packet, the identifier, several separator bytes, etc.) - see attached file.

Seems that the datagrams are received in chunks of different size and not correctly re-assembled?

Screenshot 2021-04-16 at 12 02 29

Hello friend, i discovered you via the searxng's github

I have one question, I cant find your email or anywhere else to ask this, why would you make it to where telegram would run on a Sagemcom T210-D smart meter? did u just want to, to see if you could? Im just curious, haha.

Also i wanted to say thanks to the creators of searx because it is the only search engine i know that gives the same good auto answers AKA snippets when you ask google a question.

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