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Author Topic: how to check the signed message is correct or not? Need a advice  (Read 2468 times)
fullypak
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September 20, 2015, 01:10:06 PM
 #1

I have a question on how to find out the signed message is from the same account or different account.

For Example - the below two addresses signed from the same wallet but two different times so how to check it belongs to same btc address or different?

G0dwwU/Ze2+/8gcNuUVYZh5RmDEoqguSejUeDUUUE7shG4CbEsSYO7px+R/9gUdvaiAi4/mIEyEHgW9wcVGMxKs=

G05w2pntZszOSBQt9SSyds0HWHPTrbaye6AJNN23LPh2Bs5QVsa3+rtjWdb4x6kEY3pjKDBZSm1yz+G0hJfKk6M=

Is there any way we can find out or no?

Thanks for your advice's.

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September 20, 2015, 03:33:48 PM
 #2

I have a question on how to find out the signed message is from the same account or different account.

For Example - the below two addresses signed from the same wallet but two different times so how to check it belongs to same btc address or different?

G0dwwU/Ze2+/8gcNuUVYZh5RmDEoqguSejUeDUUUE7shG4CbEsSYO7px+R/9gUdvaiAi4/mIEyEHgW9wcVGMxKs=

G05w2pntZszOSBQt9SSyds0HWHPTrbaye6AJNN23LPh2Bs5QVsa3+rtjWdb4x6kEY3pjKDBZSm1yz+G0hJfKk6M=

Is there any way we can find out or no?

Thanks for your advice's.
There is. If you have the message, then you enter both the message and signature into the signature verification window in bitcoin core, it will tell you the address that signed the message.

fullypak
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September 21, 2015, 01:04:48 AM
 #3

I have a question on how to find out the signed message is from the same account or different account.

For Example - the below two addresses signed from the same wallet but two different times so how to check it belongs to same btc address or different?

G0dwwU/Ze2+/8gcNuUVYZh5RmDEoqguSejUeDUUUE7shG4CbEsSYO7px+R/9gUdvaiAi4/mIEyEHgW9wcVGMxKs=

G05w2pntZszOSBQt9SSyds0HWHPTrbaye6AJNN23LPh2Bs5QVsa3+rtjWdb4x6kEY3pjKDBZSm1yz+G0hJfKk6M=

Is there any way we can find out or no?

Thanks for your advice's.
There is. If you have the message, then you enter both the message and signature into the signature verification window in bitcoin core, it will tell you the address that signed the message.

Thanks for the details. This bitcoin core is online service or we need to download it?

I'm not so good in these technical things how it works. Thank you once again.

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DEPO
 


















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September 21, 2015, 01:19:36 AM
 #4


Thanks for the details. This bitcoin core is online service or we need to download it?

I'm not so good in these technical things how it works. Thank you once again.
Actually it looks like bitcoin core can't do that. It should be possible though. The only client that I have seen that does it is Bitcoin Armory, and only with a certain format.

Also, Bitcoin core is a wallet that you need to download. It will also download the whole blockchain which takes 40+ Gb of space.

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September 21, 2015, 07:55:19 AM
 #5


Here's an online service to check signatures: http://coinig.com/  I'm sure there are others.


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September 21, 2015, 08:10:05 AM
 #6


Here's an online service to check signatures: http://coinig.com/  I'm sure there are others.



Its bugged AFAIK if you try to verify multi line messages.

Id go with blocktrail[1] or chain query[2]

[1] https://www.blocktrail.com/BTC?verifysignedmessage=1
[2] https://chainquery.com/bitcoin-api/verifymessage
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September 21, 2015, 08:27:25 AM
 #7

If you have an account with blockchain.info you can also use it to verify a signed message

Just go to Receive Money and the click More Actions then select Verify Message

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September 21, 2015, 12:37:10 PM
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i use blocktrail, works fine.
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September 22, 2015, 06:02:04 PM
 #9

electrum and multibit will allow you to verify signature.

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September 26, 2015, 11:41:03 PM
 #10

Thank You Very Much for all your help and Today I learned some thing new from all of you. I will try all those proposals to see any difference.

For now I will lock this thread and if needed I will open up later on.

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DEPO
 


















    The World’s First Decentralized
Multi-Platform Collateral
Infrastructure
  ████████████████████▄
██                ████▄
██  ▄▄▄▄▄▄▄▄▄▄▄▄  ██ ▀██▄
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