Questions tagged [signature]

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Signing a raw transaction, wrong R and S values

I am trying to sign a raw transaction in javascript without relying on dependencies like web3, ethereumjs, etc. I am following the python tutorial found here, and porting to JS as I go: https://...
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1answer
726 views

Implementing EIP 155 for Signing Party

EIP-155 states: If block.number >= FORK_BLKNUM and v = CHAIN_ID * 2 + 35 or v = CHAIN_ID * 2 + 36, then when computing the hash of a transaction for purposes of signing or recovering, instead ...
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1answer
561 views

multi-sig transactions, not on contract-level

Is it possible in Ethereum to issue multi-sig transactions which are not implemented on smart contract level but instead via signing, similar to Bitcoin? The following would be an example of a multi-...
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1answer
733 views

messageHash hash function

In this example, by which algorithm is messageHash hashed by? web3.eth.accounts.sign("Hello, world!", '0x0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef') { message: 'Hello, world!', ...
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3answers
490 views

How to cryptographically challenge a public/private address key pair?

I know that in the Ethereum protocol, users submit transaction by cryptographically 'signing' their transactions using their private key to prove to the miners that they do own that key but without ...
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1answer
72 views

What is wrong with this hand-made raw transaction?

Here are two RLP-encodings of two signings of the same transaction --- for Goerli. Notice how the "Signed by" address is different. This must be implying something is wrong with my signing ...
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0answers
66 views

Signature not matching the sig obtained from MyEtherWallet

I am serializing the unsigned txn in C, then I found Keccak-256 hash and I signed it with the privatekey. However, the resulting signature is not the same as in MyEtherWallet for the same values(...
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1answer
77 views

How to sign transactions while Geth does not provide private key?

I've lunched Geth for the first time and created some accounts on it. While creating accounts, I entered a password for each, and a key file is generated which contains encrypted private key belonging ...

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