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try:
import uhashlib as hashlib
except ImportError:
try:
import hashlib
except ImportError:
# This is neither uPy, nor cPy, so must be uPy with
# uhashlib module disabled.
print("SKIP")
raise SystemExit
h = hashlib.sha256()
print(h.digest())
h = hashlib.sha256()
h.update(b"123")
print(h.digest())
h = hashlib.sha256()
h.update(b"abcd" * 1000)
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())
#print(h.digest())
# TODO: partial digests are not supported
#h = hashlib.sha256(b'123')
#print(h.digest())
#h.update(b'456')
#print(h.digest())
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