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Set SHA-256 as default hash for HMAC
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b2b6708e8f
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@ -6,7 +6,7 @@ def hkdf(length=None, derive_from=None, salt=None, context=None):
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hash_len = 32
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def hmac_sha256(key, data):
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return HMAC.new(key, data, hashlib.sha256).digest()
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return HMAC.new(key, data).digest()
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if length == None or length < 1:
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raise ValueError("Invalid output key length")
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@ -24,7 +24,7 @@ class HMAC:
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"_hmac", "_inner", "_outer", "block_size", "digest_size"
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)
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def __init__(self, key, msg=None, digestmod=''):
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def __init__(self, key, msg=None, digestmod=_hashlib.sha256):
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"""Create a new HMAC object.
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key: bytes or buffer, key for the keyed hash object.
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msg: bytes or buffer, Initial input for the hash or None.
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@ -137,7 +137,7 @@ class HMAC:
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h = self._current()
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return h.hexdigest()
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def new(key, msg=None, digestmod=''):
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def new(key, msg=None, digestmod=_hashlib.sha256):
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"""Create a new hashing object and return it.
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key: bytes or buffer, The starting key for the hash.
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msg: bytes or buffer, Initial input for the hash, or None.
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