Use sha2 instead of openssl to hash in builder

chipsalliance · Apr 4, 2024 · b4f3e28 · b4f3e28
1 parent 85c4b01
commit b4f3e28
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Showing 3 changed files with 6 additions and 5 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/builder/Cargo.toml b/builder/Cargo.toml
@@ -19,8 +19,8 @@ elf.workspace = true
 hex.workspace = true
 nix.workspace = true
 once_cell.workspace = true
-openssl.workspace = true
 zerocopy.workspace = true
+sha2.workspace = true
 
 [features]
 slow_tests = []

diff --git a/builder/src/sha256.rs b/builder/src/sha256.rs
@@ -1,11 +1,12 @@
 // Licensed under the Apache-2.0 license
+use sha2::{Digest, Sha256};
 
 pub fn sha256_word_reversed(bytes: &[u8]) -> [u32; 8] {
-    let mut sha = openssl::sha::Sha256::new();
+    let mut sha = Sha256::new();
     for i in 0..bytes.len() / 4 {
         let word = u32::from_le_bytes(bytes[i * 4..][..4].try_into().unwrap());
-        sha.update(&word.swap_bytes().to_le_bytes());
+        sha.update(word.swap_bytes().to_le_bytes());
     }
-    let result_bytes = sha.finish();
+    let result_bytes = sha.finalize();
     core::array::from_fn(|i| u32::from_be_bytes(result_bytes[i * 4..][..4].try_into().unwrap()))
 }