| // Copyright 2018 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. |
| |
| /// The IV for a single block encryption. |
| /// |
| /// Intentionally not `Clone` to ensure each is used only once. |
| #[repr(C)] |
| pub struct Iv([u8; IV_LEN]); |
| |
| pub const IV_LEN: usize = 16; |
| |
| impl Iv { |
| #[inline] |
| pub fn assume_unique_for_key(a: [u8; IV_LEN]) -> Self { |
| Self(a) |
| } |
| |
| #[inline] |
| pub fn into_bytes_less_safe(self) -> [u8; IV_LEN] { |
| self.0 |
| } |
| } |