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randomized Sha2 test

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This commit is contained in:
Nicholas Ward 2022-08-23 14:59:29 -07:00
parent 5b7575684c
commit db71890045
1 changed files with 5 additions and 16 deletions
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21
evm/src/cpu/kernel/tests/sha2.rs
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@ -3,6 +3,7 @@ use std::str::FromStr;
use anyhow::Result;
use ascii::AsciiStr;
use ethereum_types::U256;
use rand::distributions::Alphanumeric;
use rand::{thread_rng, Rng};
use sha2::{Digest, Sha256};
@ -16,28 +17,16 @@ fn test_sha2() -> Result<()> {
let sha2 = kernel.global_labels["sha2"];
let mut rng = thread_rng();
let num_bytes = rng.gen_range(1..17);
let mut bytes: Vec<U256> = Vec::with_capacity(num_bytes);
for _ in 0..num_bytes {
let byte: u8 = rng.gen();
let mut v = vec![0; 31];
v.push(byte);
let v2: [u8; 32] = v.try_into().unwrap();
bytes.push(U256::from(v2));
}
dbg!(num_bytes);
dbg!(bytes.clone());
let message = "blargh blargh blargh blarh blargh blargh blargh blarghooo";
let num_bytes = message.len();
let num_bytes = rng.gen_range(1..10000);
let message: String = rng.sample_iter(&Alphanumeric).take(num_bytes).map(char::from).collect();
dbg!(num_bytes);
let mut hasher = Sha256::new();
hasher.update(message);
hasher.update(message.clone());
let expected = format!("{:02X}", hasher.finalize());
let bytes: Vec<U256> = AsciiStr::from_ascii(message)
let bytes: Vec<U256> = AsciiStr::from_ascii(&message)
.unwrap()
.as_bytes()
.iter()