Update SHA-256 examples

Author: Avaneesh-axiom

examples/sha2/Cargo.toml

@@ -1,12 +1,13 @@
 [package]
-name = "sha256-example"
+name = "sha2-example"
 version = "0.0.0"
 edition = "2021"
 
 [workspace]
 members = []
 
 [dependencies]
+# TODO: update rev after PR is merged
 openvm = { git = "https://github.com/openvm-org/openvm.git", features = [
     "std",
 ] }

examples/sha2/src/main.rs

@@ -2,7 +2,7 @@
 use core::hint::black_box;
 
 use hex::FromHex;
-use openvm_sha2::sha256;
+use openvm_sha2::{sha256, sha384, sha512};
 // ANCHOR_END: imports
 
 // ANCHOR: main
@@ -12,12 +12,26 @@ pub fn main() {
     let test_vectors = [(
         "",
         "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+        "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e",
+        "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b",
     )];
-    for (input, expected_output) in test_vectors.iter() {
+    for (input, expected_output_sha256, expected_output_sha512, expected_output_sha384) in
+        test_vectors.iter()
+    {
         let input = Vec::from_hex(input).unwrap();
-        let expected_output = Vec::from_hex(expected_output).unwrap();
-        let output = sha256(&black_box(input));
-        if output != *expected_output {
+        let expected_output_sha256 = Vec::from_hex(expected_output_sha256).unwrap();
+        let expected_output_sha512 = Vec::from_hex(expected_output_sha512).unwrap();
+        let expected_output_sha384 = Vec::from_hex(expected_output_sha384).unwrap();
+        let output = sha256(black_box(&input));
+        if output != *expected_output_sha256 {
+            panic!();
+        }
+        let output = sha512(black_box(&input));
+        if output != *expected_output_sha512 {
+            panic!();
+        }
+        let output = sha384(black_box(&input));
+        if output != *expected_output_sha384 {
             panic!();
         }
     }