From 6a77f1ff457600523477380257bd698b8824648e Mon Sep 17 00:00:00 2001
From: "Adam J. Stewart" <ajstewart426@gmail.com>
Date: Wed, 1 Jul 2020 09:46:20 -0500
Subject: Fix hashlib function capitalization (#17323)

---
 lib/spack/spack/util/crypto.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/spack/spack/util/crypto.py b/lib/spack/spack/util/crypto.py
index 566e99da21..74a6ee06bd 100644
--- a/lib/spack/spack/util/crypto.py
+++ b/lib/spack/spack/util/crypto.py
@@ -133,7 +133,7 @@ class Checker(object):
     @property
     def hash_name(self):
         """Get the name of the hash function this Checker is using."""
-        return self.hash_fun().name
+        return self.hash_fun().name.lower()
 
     def check(self, filename):
         """Read the file with the specified name and check its checksum
-- 
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