tests/extmod/uhashlib_sha256: Add test for hashing 56 bytes of data.
@@ -23,6 +23,9 @@ print(h.digest())
print(hashlib.sha256(b"\xff" * 64).digest())
+# 56 bytes is a boundary case in the algorithm
+print(hashlib.sha256(b"\xff" * 56).digest())
+
# TODO: running .digest() several times in row is not supported()
#h = hashlib.sha256(b'123')
#print(h.digest())
