Cindy Lin | 6ec3c2b | 2024-05-16 07:39:23 +0000 | [diff] [blame] | 1 | // Copyright 2024, 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 | pub(crate) fn decode_hex<const N: usize>(s: &str) -> [u8; N] { |
| 16 | (0..s.len()) |
| 17 | .step_by(2) |
| 18 | .map(|i| u8::from_str_radix(&s[i..i + 2], 16).expect("Invalid hex string")) |
| 19 | .collect::<Vec<u8>>() |
| 20 | .as_slice() |
| 21 | .try_into() |
| 22 | .unwrap() |
| 23 | } |