1 // Copyright 2023, The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 //! This crate implements the IKeystoreSecurityLevel interface. 16 17 //! BoringSSL-based implementation of SHA-256. 18 use kmr_common::{crypto, Error}; 19 20 /// [`crypto::Sha256`] implementation based on BoringSSL. 21 pub struct BoringSha256; 22 23 impl crypto::Sha256 for BoringSha256 { hash(&self, data: &[u8]) -> Result<[u8; 32], Error>24 fn hash(&self, data: &[u8]) -> Result<[u8; 32], Error> { 25 Ok(openssl::sha::sha256(data)) 26 } 27 } 28