Struct clarity::private_key::PrivateKey

pub struct PrivateKey(_);

Representation of an Ethereum private key.

Private key can be created using a textual representation, a raw binary form using array of bytes.

With PrivateKey you are able to sign messages, derive public keys. Cryptography-related methods use SECP256K1 elliptic curves.

Methods

impl PrivateKey

pub fn new() -> PrivateKey

Creates a null private key that uses zeros.

pub fn from_slice(slice: &[u8]) -> Result<PrivateKey, Error>

Convert a given slice of bytes into a valid private key.

Input bytes are validated for a length only.

• slice - A slice of raw bytes with a length of 32.

pub fn to_bytes(&self) -> [u8; 32]

Get bytes back from a PrivateKey

pub fn to_public_key(&self) -> Result<Address, Error>

Create a public key for a given private key.

This is well explained in the Ethereum Yellow Paper Appendix F.

Examples

use clarity::PrivateKey;
let private_key : PrivateKey = "0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f1e".parse().unwrap();
let public_key = private_key.to_public_key().unwrap();

pub fn sign_hash(&self, data: &[u8]) -> Signature

Signs any message that is represented by a data buffer

pub fn sign_msg(&self, data: &[u8]) -> Signature

Signs a message. This makes a hash of data, and then makes prepares a signature of it.

Trait Implementations

impl ToString for PrivateKey

fn to_string(&self) -> String

Converts PrivateKey into a textual representation.

impl PartialEq<PrivateKey> for PrivateKey

fn eq(&self, other: &PrivateKey) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &PrivateKey) -> bool

This method tests for !=.

impl From<[u8; 32]> for PrivateKey

fn from(val: [u8; 32]) -> PrivateKey

Performs the conversion.

impl Clone for PrivateKey

fn clone(&self) -> PrivateKey

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for PrivateKey

impl Debug for PrivateKey

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl FromStr for PrivateKey

type Err = Error

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parse a textual representation of a private key back into PrivateKey type.

It has to be a string that represents 64 characters that are hexadecimal representation of 32 bytes. Optionally this string can be prefixed with 0x at the beggining.