crypto.rs (1224B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2026 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU Affero General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. 12 13 You should have received a copy of the GNU Affero General Public License along with 14 TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 17 use aws_lc_rs::signature::{self, Ed25519KeyPair, UnparsedPublicKey}; 18 use taler_common::api_common::{EddsaPublicKey, EddsaSignature}; 19 20 pub fn check_eddsa_signature(key: &EddsaPublicKey, msg: &[u8], sign: &EddsaSignature) -> bool { 21 UnparsedPublicKey::new(&signature::ED25519, key.as_ref()) 22 .verify(msg, sign.as_ref()) 23 .is_ok() 24 } 25 26 pub fn eddsa_sign(key: &Ed25519KeyPair, msg: &[u8]) -> EddsaSignature { 27 let signature = key.sign(msg); 28 EddsaSignature::try_from(signature.as_ref()).unwrap() 29 }