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d� ZdS )zqHMAC (Keyed-Hashing for Message Authentication) module.
Implements the HMAC algorithm as described by RFC 2104.
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dd� Zdd� ZdS )�HMACz~RFC 2104 HMAC class. Also complies with RFC 4231.
This supports the API for Cryptographic Hash Functions (PEP 247).
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y; | �|||� Y dS w | �|||� dS )a? Create a new HMAC object.
key: bytes or buffer, key for the keyed hash object.
msg: bytes or buffer, Initial input for the hash or None.
digestmod: A hash name suitable for hashlib.new(). *OR*
A hashlib constructor returning a new hash object. *OR*
A module supporting PEP 247.
Required as of 3.8, despite its position after the optional
msg argument. Passing it as a keyword argument is
recommended, though not required for legacy API reasons.
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