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ethkey

ethkey

ethkey is a simple command-line tool for working with Ethereum keyfiles.

Usage

ethkey generate​

Generate a new keyfile. If you want to use an existing private key to use in the keyfile, it can be specified by setting --privatekey with the location of the file containing the private key.

ethkey inspect <keyfile>​

Print various information about the keyfile. Private key information can be printed by using the --private flag; make sure to use this feature with great caution!

ethkey signmessage <keyfile> <message/file>​

Sign the message with a keyfile. It is possible to refer to a file containing the message. To sign a message contained in a file, use the --msgfile flag.

ethkey verifymessage <address> <signature> <message/file>​

Verify the signature of the message. It is possible to refer to a file containing the message. To sign a message contained in a file, use the --msgfile flag.

ethkey changepassword <keyfile>​

Change the password of a keyfile. use the --newpasswordfile to point to the new password file.

Passwords​

For every command that uses a keyfile, you will be prompted to provide the password for decrypting the keyfile. To avoid this message, it is possible to pass the password by using the --passwordfile flag pointing to a file that contains the password.

JSON​

In case you need to output the result in a JSON format, you shall use the --json flag.