Struct ed25519_dalek::SecretKey [] [src]

#[repr(C)]
pub struct SecretKey(pub [u8; 32]);

An EdDSA secret key.

Methods

impl SecretKey
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Convert this secret key to a byte array.

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View this secret key as a byte array.

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Construct a SecretKey from a slice of bytes.

Example

use ed25519_dalek::SecretKey;
use ed25519_dalek::SECRET_KEY_LENGTH;

let secret_key_bytes: [u8; SECRET_KEY_LENGTH] = [
   157, 097, 177, 157, 239, 253, 090, 096,
   186, 132, 074, 244, 146, 236, 044, 196,
   068, 073, 197, 105, 123, 050, 105, 025,
   112, 059, 172, 003, 028, 174, 127, 096, ];

let secret_key: SecretKey = SecretKey::from_bytes(&secret_key_bytes[..]);

Returns

An EdDSA SecretKey.

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Generate a SecretKey from a csprng.

Example

extern crate rand;
extern crate sha2;
extern crate ed25519_dalek;


use rand::Rng;
use rand::OsRng;
use sha2::Sha512;
use ed25519_dalek::PublicKey;
use ed25519_dalek::SecretKey;
use ed25519_dalek::Signature;

let mut csprng: OsRng = OsRng::new().unwrap();
let secret_key: SecretKey = SecretKey::generate(&mut csprng);

Afterwards, you can generate the corresponding public—provided you also supply a hash function which implements the Digest and Default traits, and which returns 512 bits of output—via:


let public_key: PublicKey = PublicKey::from_secret::<Sha512>(&secret_key);

The standard hash function used for most ed25519 libraries is SHA-512, which is available with use sha2::Sha512 as in the example above. Other suitable hash functions include Keccak-512 and Blake2b-512.

Input

A CSPRING with a fill_bytes() method, e.g. the one returned from rand::OsRng::new() (in the rand crate).

Trait Implementations

impl Debug for SecretKey
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Formats the value using the given formatter.