verifier: update to support certificates using SHA-256

Change-Id: Ifd5a29d459acf101311fa1c220f728c3d0ac2e4e
diff --git a/updater/install.c b/updater/install.c
index 1905423..1fc4fd3 100644
--- a/updater/install.c
+++ b/updater/install.c
@@ -1057,7 +1057,7 @@
         return StringValue(strdup(""));
     }
     uint8_t digest[SHA_DIGEST_SIZE];
-    SHA(args[0]->data, args[0]->size, digest);
+    SHA_hash(args[0]->data, args[0]->size, digest);
     FreeValue(args[0]);
 
     if (argc == 1) {