tropicsquare.ports.micropython.hkdf.HKDF Class Reference

Public Member Functions
	derive (cls, salt, key_material, length=32)

Protected Member Functions
	_hkdf_extract (cls, salt, ikm)
	_hkdf_expand (cls, prk, info, length)
	_hmac_sha256 (cls, key, message)

Member Function Documentation

_hkdf_expand()

tropicsquare.ports.micropython.hkdf.HKDF._hkdf_expand (   cls,   prk,   info,   length  )

protected

HKDF-Expand step.
'info' is optional context and application specific information (can be empty).

_hkdf_extract()

tropicsquare.ports.micropython.hkdf.HKDF._hkdf_extract (   cls,   salt,   ikm  )

protected

HKDF-Extract step.
If salt is empty, use a string of HashLen zeros.

_hmac_sha256()

tropicsquare.ports.micropython.hkdf.HKDF._hmac_sha256 (   cls,   key,   message  )

protected

derive()

tropicsquare.ports.micropython.hkdf.HKDF.derive	(		cls,
			salt,
			key_material,
			length = 32
	)

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The documentation for this class was generated from the following file:

• tropicsquare/ports/micropython/hkdf.py