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// Copyright 2015-2016 Brian Smith. // // Permission to use, copy, modify, and/or distribute this software for any // purpose with or without fee is hereby granted, provided that the above // copyright notice and this permission notice appear in all copies. // // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY // SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION // OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN // CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. //! EdDSA Signatures. use super::ops::ELEM_LEN; use crate::digest; pub mod signing; pub mod verification; /// The length of an Ed25519 public key. pub const ED25519_PUBLIC_KEY_LEN: usize = ELEM_LEN; pub fn eddsa_digest(signature_r: &[u8], public_key: &[u8], msg: &[u8]) -> digest::Digest { let mut ctx = digest::Context::new(&digest::SHA512); ctx.update(signature_r); ctx.update(public_key); ctx.update(msg); ctx.finish() }