openethereum/ethkey/README.md
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# ethkey
[![Build Status][travis-image]][travis-url]
[travis-image]: https://travis-ci.org/paritytech/ethkey.svg?branch=master
[travis-url]: https://travis-ci.org/paritytech/ethkey
Ethereum keys generator.
[Documentation](http://paritytech.github.io/ethkey/ethkey/index.html)
### Usage
```
Ethereum keys generator.
Copyright 2016, 2017 Parity Technologies (UK) Ltd
Usage:
ethkey info <secret> [options]
ethkey generate random [options]
ethkey generate prefix <prefix> <iterations> [options]
ethkey generate brain <seed> [options]
ethkey sign <secret> <message>
ethkey verify public <public> <signature> <message>
ethkey verify address <address> <signature> <message>
ethkey [-h | --help]
Options:
-h, --help Display this message and exit.
-s, --secret Display only the secret.
-p, --public Display only the public.
-a, --address Display only the address.
Commands:
info Display public and address of the secret.
generate Generates new ethereum key.
random Random generation.
prefix Random generation, but address must start with a prefix
brain Generate new key from string seed.
sign Sign message using secret.
verify Verify signer of the signature.
```
### Examples
#### `info <secret>`
*Display info about private key.*
- `<secret>` - ethereum secret, 32 bytes long
```
ethkey info 17d08f5fe8c77af811caa0c9a187e668ce3b74a99acc3f6d976f075fa8e0be55
```
```
secret: 17d08f5fe8c77af811caa0c9a187e668ce3b74a99acc3f6d976f075fa8e0be55
public: 689268c0ff57a20cd299fa60d3fb374862aff565b20b5f1767906a99e6e09f3ff04ca2b2a5cd22f62941db103c0356df1a8ed20ce322cab2483db67685afd124
address: 26d1ec50b4e62c1d1a40d16e7cacc6a6580757d5
```
--
#### `generate brain <seed>`
*Generate new brain-wallet keypair using 16384 iterations.*
- `<seed>` - brain-wallet seed, any string
```
ethkey generate brain "this is sparta"
```
```
secret: 17d08f5fe8c77af811caa0c9a187e668ce3b74a99acc3f6d976f075fa8e0be55
public: 689268c0ff57a20cd299fa60d3fb374862aff565b20b5f1767906a99e6e09f3ff04ca2b2a5cd22f62941db103c0356df1a8ed20ce322cab2483db67685afd124
address: 26d1ec50b4e62c1d1a40d16e7cacc6a6580757d5
```
--
#### `generate random`
*Generate new keypair randomly.*
```
ethkey generate random
```
```
secret: 7d29fab185a33e2cd955812397354c472d2b84615b645aa135ff539f6b0d70d5
public: 35f222d88b80151857a2877826d940104887376a94c1cbd2c8c7c192eb701df88a18a4ecb8b05b1466c5b3706042027b5e079fe3a3683e66d822b0e047aa3418
address: a8fa5dd30a87bb9e3288d604eb74949c515ab66e
```
--
#### `generate prefix <prefix> <iterations>`
*Generate new keypair randomly with address starting with prefix.*
- `<prefix>` - desired address prefix, 0 - 32 bytes long.
- `<iterations>` - maximum number of tries before generation is assumed to be a failure.
```
ethkey generate prefix ff 1000
```
```
secret: 2075b1d9c124ea673de7273758ed6de14802a9da8a73ceb74533d7c312ff6acd
public: 48dbce4508566a05509980a5dd1335599fcdac6f9858ba67018cecb9f09b8c4066dc4c18ae2722112fd4d9ac36d626793fffffb26071dfeb0c2300df994bd173
address: fff7e25dff2aa60f61f9d98130c8646a01f31649
```
--
#### `sign <secret> <message>`
*Sign a message with a secret.*
- `<secret>` - ethereum secret, 32 bytes long
- `<message>` - message to sign, 32 bytes long
```
ethkey sign 17d08f5fe8c77af811caa0c9a187e668ce3b74a99acc3f6d976f075fa8e0be55 bd50b7370c3f96733b31744c6c45079e7ae6c8d299613246d28ebcef507ec987
```
```
c1878cf60417151c766a712653d26ef350c8c75393458b7a9be715f053215af63dfd3b02c2ae65a8677917a8efa3172acb71cb90196e42106953ea0363c5aaf200
```
--
#### `verify public <public> <signature> <message>`
*Verify the signature.*
- `<public>` - ethereum public, 64 bytes long
- `<signature>` - message signature, 65 bytes long
- `<message>` - message, 32 bytes long
```
ethkey verify public 689268c0ff57a20cd299fa60d3fb374862aff565b20b5f1767906a99e6e09f3ff04ca2b2a5cd22f62941db103c0356df1a8ed20ce322cab2483db67685afd124 c1878cf60417151c766a712653d26ef350c8c75393458b7a9be715f053215af63dfd3b02c2ae65a8677917a8efa3172acb71cb90196e42106953ea0363c5aaf200 bd50b7370c3f96733b31744c6c45079e7ae6c8d299613246d28ebcef507ec987
```
```
true
```
--
#### `verify address <address> <signature> <message>`
*Verify the signature.*
- `<address>` - ethereum address, 20 bytes long
- `<signature>` - message signature, 65 bytes long
- `<message>` - message, 32 bytes long
```
ethkey verify address 689268c0ff57a20cd299fa60d3fb374862aff565b20b5f1767906a99e6e09f3ff04ca2b2a5cd22f62941db103c0356df1a8ed20ce322cab2483db67685afd124 c1878cf60417151c766a712653d26ef350c8c75393458b7a9be715f053215af63dfd3b02c2ae65a8677917a8efa3172acb71cb90196e42106953ea0363c5aaf200 bd50b7370c3f96733b31744c6c45079e7ae6c8d299613246d28ebcef507ec987
```
```
true
```
# Ethcore toolchain
*this project is a part of the ethcore toolchain*
- [**ethkey**](https://github.com/paritytech/ethkey) - Ethereum keys generator and signer.
- [**ethstore**](https://github.com/paritytech/ethstore) - Ethereum key management.
- [**ethabi**](https://github.com/paritytech/ethabi) - Ethereum function calls encoding.