Questions tagged [keystore]

the storage of your private keys for the ethereum clients

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1answer
2k views

Lost private key (keystore file)?

I am new in mining, so here's my story: I installed Linux, downloaded geth and Claymore DualMiner. Then generated a wallet address with geth (I was asked a passphrase) and started mining ETH ... ...
5
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2answers
3k views

geth account list returns accounts but eth.accounts does not

I had my ethereum node on one server. I needed to migrate the accounts and all to another server (due to the huge size of blockchain). I started new ethereum node on another server. To copy my ...
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2answers
923 views

Why is there no backup for wallet keys?

I've seen several responses from actives saying once a keystore is lost, all is lost. This is absolutely unacceptable. Having to find C\USERS\\APPDATA\ROAMING\ETHEREUM\KEYSTORE or wherever it is, ...
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2answers
1k views

How to get my 256bits Public Key on geth

I created an account on geth by geth account new, I can see the address by geth account list and this address is derived by using the public key. Is there a way I can check the public key of my ...
2
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2answers
639 views

What is the correct encoding for geth keystore files?

I'm attempting to import a transcribed geth UTC--... format keyfile into geth on ubuntu, using this guidance, and am getting the following error: Fatal: Failed to load the private key: encoding/hex: ...
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1answer
408 views

Can I import the account from MyEtherWallet to other wallets?

I generated a password protected Ethereum account on MyEtherWallet with the Create New Wallet button. If MyEtherWallet stops working, will I be able to access this account using another software or ...
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2answers
56 views

isDerivedKeyCorrect is not recognized as a function

I call lightwallet in my routes : the keystore is created whenever the user logs in (/login). Then, in another route (/newItem) I have to sign a transaction calling lightwallet.signing.signTx(keyStore,...
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0answers
180 views

How can I share a geth service and corresponding chaindata between multiple users but not a keystore / wallet?

I would like to avoid storing redundant chaindata on the same system (MacOS). As per Ismael, it looks like a solution would be to run geth as a service and have both user accounts' Mist clients ...
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1answer
230 views

How to get owner recovery phrase programmatically during keystore file generation?

I've generated keystore file by means of keythereum function generateAddress(cb) { var params = { keyBytes: 32, ivBytes: 16 }; var dk = keythereum.create(params); keythereum.create(params, ...
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0answers
806 views

How to figure out password from keystore file?

I'm using this to create a private Ethereum network for some tests. It comes pre-loaded with 10 accounts, each with 20 ether. However, I can't seem to find the password for these accounts. An example ...
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1answer
685 views

Where is the MetaMask google plugin keypair located?

I've created a couple of Ethereum accounts in Metamax google plug in and want to use these accounts in a program I'm creating. To do this I obviously need the key pair, but I cannot find them. Any ...
4
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1answer
4k views

UTC/json wallet file: deleted -> recovered -> corrupted. 0.1 ETH REWARD

--EDIT-- I have advanced in my research. The UTC/JSON file in question is a 491 byte file. There are 256 random characters in the file with each 16 possible characters. Like a 256-number long ...
0
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1answer
243 views

Encryption of keystore, keys and cryptographic library usage locations

I understand that another question posted has mentioned that the keystore has aes-128-ctr encryption: What is the strength of Mist wallet encryption? Key Derivation Function uses scrypt (where the ...
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1answer
55 views

Help will be greatly appreciated: I'm trying to find the JSON or ABI for one of my contract wallets:

i have lost the keystore to my wallet which i am trying to retrive. As i understand that if i have a Contract associated with that wallet(which i do) i could import the contract and then save the ...
1
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1answer
370 views

Advises to recover my wallet

I got a wallet from https://www.myetherwallet.com/ and then I downloaded all the files (keystore, qr.pdf and private key). Then I compressed (zip) these files using a password I can't remember (yes, ...
2
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1answer
3k views

My Ether wallet keystore file

My computer charging port broke and my computer is dead along with my Keystore file. I have everything written down can anyone tell me how I can access my ETH. Thanks.
2
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1answer
563 views

How to decrypt an ECIES encrypted message using a geth account and JSON-RPC protocol?

A geth node is managing an Ethereum account, having the control over its private key at keystore folder. I guess to keep it safe, best practices are letting geth by its own perform all operations that ...
2
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2answers
2k views

How much is the private-key in a keystore resilient to bruteforce?

I was wondering how safe would be my key if someone can put his hands on my Keystore File (UTC / JSON) created with MyEtherWallet. I've used in the past hashcat and so I know it can easily find the ...
3
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1answer
762 views

File names of Parity keys

Why Parity keys are named differently? I have one in the following format: UTC--2016-11-21T14-59-51Z--109a31067644516b04549bddcb473e51fd0cf835 And all the rest as: UTC--2017-04-05T13-01-10Z--...
3
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1answer
117 views

Convert Eth Key to Geth Key

I have some eth keys that I would like to convert to geth keys. There was a previous post about this, however the solution provided was to use ethkey, but this tool has now been deprecated. Any help ...
2
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2answers
2k views

How to recover account and keystore file?

I am using go-ethereum and web3. Is there any way to recover an account if the keystore file is lost? Is there any way to recover an account in case of forgotten passphrase?
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1answer
494 views

is it possible I imported my wallet “Keystore” file and somehow the password files not included?

I tried running My Ethereum Wallet on my windows P.C, created a wallet and had some ETH sent to it. Then for some reason I waited and waited but the software just would not sync. So, I stored the ...
12
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1answer
8k views

How to generate a keystore (UTC) file from the raw private key?

If I have the plaintext private key, -how- can I generate a geth-compatible keystore file using Node.js? I think I need to encrypt it using the scrypt algorithm by supplying a password, but I don't ...
3
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1answer
66 views

Is it bad security to use the same private keys and/or keyfiles across production, testnet, and dev?

I'd like to understand the security implications of re-using keys across a privatenet, the public testnet, and the production network. If this is bad, why so? Are there advantages or disadvantages to ...
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1answer
64 views

No funds after copying keystore files [duplicate]

I believe i correctly backed up the keystore files, however, once I copied the keystore file back into my new ethereum directory, it doesnt show my funds in my wallet. Do i need to enter my password ...
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2answers
1k views

What algorithm is used to encrypt a private key?

In my understanding, private keys are encrypted with some symmetric algorithm, so you can't access them without passphrase. What is it called?
5
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1answer
851 views

Is it possible to regenerate the private key file?

I have created an account in testnet which I know the address and the password of, but I did not backup the private key file. Can I somehow create the key file again using the password? Or is my ...
4
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3answers
3k views

Parity: accounts from Geth keystore

I am installing the latest version of parity (1.4.1). I created a new account and am syncing the chain. I have two UTC keystore files from a older version of geth that I stopped syncing some time ...
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0answers
103 views

What are dapp and nodekey? [duplicate]

I'm not sure what each geth directories means, in particular dapp and nodes. I consider these as following. Could you tell me it is correct or not? chaindata:blockchain data dapp:? history:history of ...
3
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1answer
349 views

Is it possible to self-define a public/private key pair for a wallet?

Specifically, if I had valid, secure keys stored in variables from somewhere else, could I use those to initialize a wallet? Or do keys have to be generated by the wallet software? Thank you for your ...
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0answers
1k views

Changing blockchain storage location in official wallet? [duplicate]

I'm aware that geth can take an option to change the location, as described here: Possible to store the blockchain in a different directory? But what about the graphical Ethereum Wallet? There doesn'...
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8answers
23k views

Where are my keys and chain data located if I am using Parity?

Switched from geth to Parity and wondering where my information now is. Thanks.
13
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1answer
12k views

How to change the password to an account?

The private key of an owned Ethereum account is encrypted with a password and kept in a so-called key file. How can I change this password?
1
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1answer
226 views

ethereumj and keystore file

I tried to create an account by using ethereumj client, It said it created it but I could not see the keystore file. Can ethereumj generate the keystore file just like go client?
3
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1answer
645 views

Can I delete “address” field from the ethereum key file?

I don't like that anyone who reads my encrypted ethereum JSON key file knows my address and balance. Can I delete the "address" field and still be able to import that file into geth and MyEtherWallet?
24
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9answers
36k views

How do I get the raw private key from my Mist keystore file?

I use the Mist wallet. I would like to know: How I can get the private key of my account. How I can use this private key to sign messages.
5
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0answers
200 views

Install Mist Ethereum on external HDD [duplicate]

The question is simple though I can't find a solution to this - how do I keep all ethereum-related files on an external hard disk drive? I would like to have the blockchain data, keystore and Mist ...
5
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0answers
217 views

How to backup and restore accounts in the Ethereum wallet [duplicate]

How can I use the Ethereum wallet to restore the account, before this I have backuped that account and the client generate an UTC file, how can I use this file to restore my account?
5
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2answers
1k views

How can I force geth to create accounts in a different keystore?

In geth using Mist I noticed that I have 2 keystores in two different places. One for the main blockchain in Users/<user>/Library/Ethereum/keystore/ (OS X) and on testnet in Users/<user>/...
3
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1answer
692 views

Which password is required to unlock my accounts?

What password is my geth 1.3.5 ethereum wallet asking for when I try to send a transaction? I am having trouble figuring this out since I don't remember a wallet password on setup.
2
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0answers
40 views

How can I go about switching from eth to geth while keeping my same accounts? [duplicate]

I'd like to move my accounts from the eth client to geth. Also, I'd like to keep the same addresses. Is this possible?
6
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2answers
586 views

Migrating Ethereum development from Windows to Ubuntu

I recently had Ethereum on Windows (Ethereum Wallet) and Mix. Later I copied the whole ethereum folder on Windows to a cold storage and installed Ubuntu on the machine. My question is how do I import ...
8
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3answers
6k views

Convert an eth key to a geth key

I need to convert my eth key to a geth key. eth put the key in %appdata%\roaming\Web3\keys, and I see it as a .json file. If I move that to the %appdata%\roaming\Ethereum\keystore directory, geth ...
45
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3answers
70k views

How to backup mist wallets?

I know I can backup the keystore files from my running ethereum client which holds my accounts. But how can I backup wallets created with mist? Is it enough to write down the public address where the ...
13
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2answers
1k views

If someone gets my geth keystore files, can they spend my ETH without knowing my password(s)?

I always assumed so, since geth requires a new password for every account, but just want to be sure.
11
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2answers
5k views

Do I need to encrypt the keystore file(s)?

When I run cat on one of the files in the keystore directory I see things like id, mac, etc. but I do not see private key. Is it safe to send the keystore file unencrypted over the internet? If the ...
9
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1answer
3k views

How to send ether to a cold storage account?

Is it possible to do the following: Back up the keystore on a usb drive. Format the computer used to generate the keystore. Send ether to a public address in the keystore. Reinstall geth (or other ...

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