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ethkey
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======
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ethkey is a simple command-line tool for working with Ethereum keyfiles.
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# Usage
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### `ethkey generate`
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Generate a new keyfile.
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If you want to use an existing private key to use in the keyfile, it can be
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specified by setting `--privatekey` with the location of the file containing the
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private key.
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### `ethkey inspect <keyfile>`
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Print various information about the keyfile.
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Private key information can be printed by using the `--private` flag;
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make sure to use this feature with great caution!
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### `ethkey signmessage <keyfile> <message/file>`
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Sign the message with a keyfile.
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It is possible to refer to a file containing the message.
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To sign a message contained in a file, use the `--msgfile` flag.
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### `ethkey verifymessage <address> <signature> <message/file>`
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Verify the signature of the message.
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It is possible to refer to a file containing the message.
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To sign a message contained in a file, use the --msgfile flag.
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### `ethkey changepassword <keyfile>`
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Change the password of a keyfile.
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use the `--newpasswordfile` to point to the new password file.
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## Passwords
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For every command that uses a keyfile, you will be prompted to provide the
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password for decrypting the keyfile. To avoid this message, it is possible
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to pass the password by using the `--passwordfile` flag pointing to a file that
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contains the password.
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## JSON
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In case you need to output the result in a JSON format, you shall use the `--json` flag.
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