github.com/tyler-smith/go-ethereum@v1.9.7/cmd/ethkey/README.md (about) 1 ethkey 2 ====== 3 4 ethkey is a simple command-line tool for working with Ethereum keyfiles. 5 6 7 # Usage 8 9 ### `ethkey generate` 10 11 Generate a new keyfile. 12 If you want to use an existing private key to use in the keyfile, it can be 13 specified by setting `--privatekey` with the location of the file containing the 14 private key. 15 16 17 ### `ethkey inspect <keyfile>` 18 19 Print various information about the keyfile. 20 Private key information can be printed by using the `--private` flag; 21 make sure to use this feature with great caution! 22 23 24 ### `ethkey signmessage <keyfile> <message/file>` 25 26 Sign the message with a keyfile. 27 It is possible to refer to a file containing the message. 28 To sign a message contained in a file, use the `--msgfile` flag. 29 30 31 ### `ethkey verifymessage <address> <signature> <message/file>` 32 33 Verify the signature of the message. 34 It is possible to refer to a file containing the message. 35 To sign a message contained in a file, use the --msgfile flag. 36 37 38 ### `ethkey changepassword <keyfile>` 39 40 Change the password of a keyfile. 41 use the `--newpasswordfile` to point to the new password file. 42 43 44 ## Passwords 45 46 For every command that uses a keyfile, you will be prompted to provide the 47 password for decrypting the keyfile. To avoid this message, it is possible 48 to pass the password by using the `--passwordfile` flag pointing to a file that 49 contains the password. 50 51 ## JSON 52 53 In case you need to output the result in a JSON format, you shall by using the `--json` flag.