Switch out the tiny_keccak hashing library for the sha3 library (#894)

The sha3 library seems more widely used and actively maintained.

All we do with these hashes is save the hash in the output file and
compare to determine if we need a rebuild.

lalrpop/Cargo.toml

@@ -26,9 +26,9 @@ itertools = { version = "0.11", default-features = false, features = ["use_std"]
 petgraph = { version = "0.6", default-features = false }
 regex = { workspace = true }
 regex-syntax = { workspace = true }
+sha3 = { version = "0.10", default-features = false }
 string_cache = { version = "0.8", default-features = false }
 term = { version = "0.7", default-features = false }
-tiny-keccak = { version = "2.0.2", features = ["sha3"] }
 unicode-xid = { version = "0.2", default-features = false }
 walkdir = "2.4.0"
 

lalrpop/src/build/mod.rs

@@ -16,7 +16,7 @@ use crate::tok;
 use crate::util::Sep;
 use itertools::Itertools;
 use lalrpop_util::ParseError;
-use tiny_keccak::{Hasher, Sha3};
+use sha3::{Digest, Sha3_256};
 use walkdir::WalkDir;
 
 use std::ffi::OsStr;
@@ -44,11 +44,10 @@ fn hash_file(file: &Path) -> io::Result<String> {
     let mut file_bytes = Vec::new();
     file.read_to_end(&mut file_bytes).unwrap();
 
-    let mut sha3 = Sha3::v256();
+    let mut sha3 = Sha3_256::new();
     sha3.update(&file_bytes);
 
-    let mut output = [0u8; 32];
-    sha3.finalize(&mut output);
+    let output = sha3.finalize();
 
     Ok(format!("// sha3: {:02x}", output.iter().format("")))
 }