Freescale Semiconductor SEC2SWUG specifications Acronyms and Abbreviations, Overview, Term Meaning

Overview

Both acronyms indicate the device's functional block that performs the crypto functions requested. For further details on the device see the Hardware Reference Manual.

The reader should understand that the design of this driver is a legacy holdover from two prior generations of security processors. As applications have already been written for those processors, certain aspects of the interface for this driver have been designed so as to maintain source-level application portability with prior driver/processor versions. Where relevant in this document, prior-version compatibility features will be indicated to the reader.

Table 1 contains acronyms and abbreviations that are used in this user’s guide.

		Table 1. Acronyms and Abbreviations
	Term	Meaning
	AESA	AES accelerator—This term is synonymous with AESU in the MPC18x User’s Manual and other
		documentation.
	AFHA	ARC-4 hardware accelerator—This term is synonymous with AFEU in the MPC18x User’s Manual
		and other documentation.
	APAD	Autopad—The MDHA will automatically pad incomplete message blocks out to 512 bits when APAD
		is enabled.
	ARC-4	Encryption algorithm compatible with the RC-4 algorithm developed by RSA, Inc.
	Auth	Authentication
	CBC	Cipher block chaining—An encryption mode commonly used with block ciphers.
	CHA	Crypto hardware accelerator—This term is synonymous with ‘execution unit’ in the MPC18x User’s
		Manual and other documentation.
	CTX	Context
	DESA	DES accelerator—This term is synonymous with DEU in the MPC18x User’s Manual and other
		documentation.
	DPD	Data packet descriptor
	ECB	Electronic code book—An encryption mode less commonly used with block ciphers.
	EU	Execution unit
	HMAC	Hashed message authentication code
	IDGS	Initialize digest
	IPSec	Internet protocol security
	ISR	Interrupt service routine
	KEA	Kasumi encryption acceleration
	MD	Message digest
	MDHA	Message digest hardware accelerator—This term is synonymous with MDEU in the MPC18x User’s
		Manual and other documentation.
	OS	Operating system
	PK	Public key
	PKHA	Public key hardware accelerator—This term is synonymous with PKEU in the MPC18x User’s
		Manual and other documentation.
		SEC 2.0 Reference Device Driver User’s Guide, Rev. 0
2		PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE	Freescale Semiconductor