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