saymrwulf/risc0-curve25519-dalek-source
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Create new module for constants.

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Isis Lovecruft 2018-12-30 02:36:49 +00:00
parent eb8ab9f06b
commit 80e72db677
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3 changed files with 36 additions and 23 deletions
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31
src/constants.rs Normal file
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@ -0,0 +1,31 @@
// -*- mode: rust; -*-
//
// This file is part of ed25519-dalek.
// Copyright (c) 2017-2018 isis lovecruft
// See LICENSE for licensing information.
//
// Authors:
// - isis agora lovecruft <isis@patternsinthevoid.net>
//! Common constants such as buffer sizes for keypairs and signatures.
/// The length of a ed25519 `Signature`, in bytes.
pub const SIGNATURE_LENGTH: usize = 64;
/// The length of a ed25519 `SecretKey`, in bytes.
pub const SECRET_KEY_LENGTH: usize = 32;
/// The length of an ed25519 `PublicKey`, in bytes.
pub const PUBLIC_KEY_LENGTH: usize = 32;
/// The length of an ed25519 `Keypair`, in bytes.
pub const KEYPAIR_LENGTH: usize = SECRET_KEY_LENGTH + PUBLIC_KEY_LENGTH;
/// The length of the "key" portion of an "expanded" ed25519 secret key, in bytes.
const EXPANDED_SECRET_KEY_KEY_LENGTH: usize = 32;
/// The length of the "nonce" portion of an "expanded" ed25519 secret key, in bytes.
const EXPANDED_SECRET_KEY_NONCE_LENGTH: usize = 32;
/// The length of an "expanded" ed25519 key, `ExpandedSecretKey`, in bytes.
pub const EXPANDED_SECRET_KEY_LENGTH: usize = EXPANDED_SECRET_KEY_KEY_LENGTH + EXPANDED_SECRET_KEY_NONCE_LENGTH;

27
src/ed25519.rs
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@ -1,11 +1,11 @@
// -*- mode: rust; -*- // -*- mode: rust; -*-
// //
// This file is part of ed25519-dalek. // This file is part of ed25519-dalek.
// Copyright (c) 2017-2018 Isis Lovecruft // Copyright (c) 2017-2018 isis lovecruft
// See LICENSE for licensing information. // See LICENSE for licensing information.
// //
// Authors: // Authors:
// - Isis Agora Lovecruft <isis@patternsinthevoid.net> // - isis agora lovecruft <isis@patternsinthevoid.net>
//! A Rust implementation of ed25519 key generation, signing, and verification. //! A Rust implementation of ed25519 key generation, signing, and verification.
@ -36,30 +36,11 @@ use curve25519_dalek::edwards::CompressedEdwardsY;
use curve25519_dalek::edwards::EdwardsPoint; use curve25519_dalek::edwards::EdwardsPoint;
use curve25519_dalek::scalar::Scalar; use curve25519_dalek::scalar::Scalar;
pub use constants::*;
use errors::SignatureError; use errors::SignatureError;
use errors::InternalError; use errors::InternalError;
/// The length of a ed25519 `Signature`, in bytes.
pub const SIGNATURE_LENGTH: usize = 64;
/// The length of a ed25519 `SecretKey`, in bytes.
pub const SECRET_KEY_LENGTH: usize = 32;
/// The length of an ed25519 `PublicKey`, in bytes.
pub const PUBLIC_KEY_LENGTH: usize = 32;
/// The length of an ed25519 `Keypair`, in bytes.
pub const KEYPAIR_LENGTH: usize = SECRET_KEY_LENGTH + PUBLIC_KEY_LENGTH;
/// The length of the "key" portion of an "expanded" ed25519 secret key, in bytes.
const EXPANDED_SECRET_KEY_KEY_LENGTH: usize = 32;
/// The length of the "nonce" portion of an "expanded" ed25519 secret key, in bytes.
const EXPANDED_SECRET_KEY_NONCE_LENGTH: usize = 32;
/// The length of an "expanded" ed25519 key, `ExpandedSecretKey`, in bytes.
pub const EXPANDED_SECRET_KEY_LENGTH: usize = EXPANDED_SECRET_KEY_KEY_LENGTH + EXPANDED_SECRET_KEY_NONCE_LENGTH;
/// An EdDSA signature. /// An EdDSA signature.
/// ///
/// # Note /// # Note

1
src/lib.rs
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@ -261,6 +261,7 @@ extern crate serde;
#[cfg(all(test, feature = "serde"))] #[cfg(all(test, feature = "serde"))]
extern crate bincode; extern crate bincode;
mod constants;
mod ed25519; mod ed25519;
pub mod errors; pub mod errors;