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Remove the software-specific Decrypt16BytesBlock and Encrypt16BytesBlock traits

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They assume blocks are encrypted/decrypted one at a time. To avoid one syscall
per block, it is preferable to encrypt/decrypt the data at once.

Change-Id: I795c8f5b7901a1b55fa3b06fa45fe57ab19d06ea
This commit is contained in:
Julien Cretin
2022-01-20 15:10:30 +01:00
committed by Julien Cretin
parent 98c9191679
commit b59df7001f
6 changed files with 65 additions and 109 deletions
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12
examples/crypto_bench.rs
View File

@@ -20,9 +20,7 @@ extern crate lang_items;
use alloc::format;
use alloc::vec::Vec;
use core::fmt::Write;
use crypto::{
aes256, cbc, ecdsa, rng256, sha256, Decrypt16BytesBlock, Encrypt16BytesBlock, Hash256,
};
use crypto::{aes256, cbc, ecdsa, rng256, sha256, Hash256};
use libtock_drivers::console::Console;
use libtock_drivers::result::FlexUnwrap;
use libtock_drivers::timer;
@@ -78,11 +76,11 @@ fn main() {
// CBC
let mut blocks = Vec::new();
for i in 0..8 {
blocks.resize(1 << i, [0; 16]);
blocks.resize(1 << (i + 4), 0);
bench(
&mut console,
&timer,
&format!("cbc::cbc_encrypt({} bytes)", blocks.len() * 16),
&format!("cbc::cbc_encrypt({} bytes)", blocks.len()),
|| {
cbc::cbc_encrypt(&ek, [0; 16], &mut blocks);
},
@@ -92,11 +90,11 @@ fn main() {
let mut blocks = Vec::new();
for i in 0..8 {
blocks.resize(1 << i, [0; 16]);
blocks.resize(1 << (i + 4), 0);
bench(
&mut console,
&timer,
&format!("cbc::cbc_decrypt({} bytes)", blocks.len() * 16),
&format!("cbc::cbc_decrypt({} bytes)", blocks.len()),
|| {
cbc::cbc_decrypt(&dk, [0; 16], &mut blocks);
},