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Author Topic: Signing a message  (Read 701 times)
minerr (OP)
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August 27, 2013, 10:39:56 PM
 #1

I'm trying to sign a message.  I'm signing it via Armory and get the following output:

-----BEGIN-SIGNATURE-BLOCK-------------------------------------
Address:    1xWZ7j1LEEQ3PPtp3i9ayLghJmNxFWvWk
Message:    "2013-Aug-27 06:27pm username: minerr rand: 108db"
            "b0472965645 purpose: testing sig"
PublicKey:  041ba4335fa1ab3e80dc9211fd9c0d7add65f319bd3c4a4478
            becf6b7d169f936a93e6fd2a4924917eab1d60e7fd3784ddf5
            3a8f9fd2561d9bba410a8366320662
Signature:  6e33622059967c72e19204084de05ca25fd53e20fa638cfa4c
            48a0d75ec7454e3069a58246bd8c1c7f3b3dda1d162f50c0ec
            ffa48f63b08a1721e66d4be82ecf
-----END-SIGNATURE-BLOCK---------------------------------------



The crazy thing about this is that in Armory this message gets validated, BUT in bitcoin-qt,  bitcoind, blockchain.info it's not valid.  Try it for yourself. 

This is driving me crazy.  Any help would be greatly appreciated.

Some more useful info:

blockchain.info, when validating outputs the following error "Error Verifying MessageSignature has the wrong length"

Do I have to broadcast this signed messsage or something?  What am I missing?


gmaxwell
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August 27, 2013, 11:05:28 PM
 #2

AFAIK, Armory does not use the same compact signature format that other bitcoin software uses, it's only compatible with itself.
 
minerr (OP)
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August 27, 2013, 11:09:21 PM
 #3

Ahh, that explains it.  Thanks for ending my frustration.
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August 27, 2013, 11:11:35 PM
 #4

The software for Armory handling bitcoin-qt signatures is ready
No ETA yet though

Own address: 19QkqAza7BHFTuoz9N8UQkryP4E9jHo4N3 - Pywallet support: 1AQDfx22pKGgXnUZFL1e4UKos3QqvRzNh5 - Bitcointalk++ script support: 1Pxeccscj1ygseTdSV1qUqQCanp2B2NMM2
Pywallet: instructions. Encrypted wallet support, export/import keys/addresses, backup wallets, export/import CSV data from/into wallet, merge wallets, delete/import addresses and transactions, recover altcoins sent to bitcoin addresses, sign/verify messages and files with Bitcoin addresses, recover deleted wallets, etc.
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August 28, 2013, 01:44:54 AM
 #5

The software for Armory handling bitcoin-qt signatures is ready
No ETA yet though

Yeah, I was going to integrate the compatible message signing algorithm in the next release.  It's just that the next release is taking far longer than I expected.    Soon though!

Founder and CEO of Armory Technologies, Inc.
Armory Bitcoin Wallet: Bringing cold storage to the average user!
Only use Armory software signed by the Armory Offline Signing Key (0x98832223)

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