www.pudn.com > bf-sdk11.zip > BFE_ASM.INC

 
 
; Include file to use the Blowfish-Engine BFENG386 from Assembler 
; (c) 1996 Cedric Reinartz 
 
; !!!       All restrictions in BF-SDK.TXT apply        !!! 
 
; The variable noPUB decides if the sourcecode from BFENG386 will be 
; included, or if the Objekt-File BFENG386.OBJ will be used. 
 
ifndef noPUB 
        extrn Blowfish_GetBoxPointer: far 
        extrn Blowfish_GetBoxes: far 
        extrn Blowfish_SetBoxes: far 
        extrn Blowfish_Init: far 
        extrn Blowfish_ECBEncrypt: far 
        extrn Blowfish_ECBDecrypt: far 
        extrn Blowfish_CBCEncrypt: far 
        extrn Blowfish_CBCDecrypt: far 
        extrn Blowfish_Done: far 
        extrn Blowfish_SetRounds: far 
	extrn Blowfish_WeakKey: far 
	.model large 
	.386 
else 
	include bfeng386.asm 
endif 
 
 
callf	macro p1 
;	call	far ptr p1		; normaly you don't need it 
	call	p1			; The Ass. detects it from .model  
endm 
 
_GetBoxPointer macro			; returns a Pointer to PBox 
	callf	Blowfish_GetBoxPointer	; (DX:AX) 
endm 
 
_GetBoxes macro seg,off			; Saves the aktual P- and SBoxes 
	push	seg			; at adress  seg:off 
	push	off 
	callf	Blowfish_GetBoxes 
endm 
 
_SetBoxes macro seg,off			; loads the P- and SBoxes with Data 
	push	seg			; from adress   seg:off 
	push	off 
	callf	Blowfish_SetBoxes 
endm 
 
_ClearBoxes macro			; Wipes all Boxes clear 
	callf	Blowfish_Done 
endm 
 
_SetRounds macro rnds			; Set the number of Rounds 
	push	rnds 
	callf	Blowfish_SetRounds 
endm 
 
_InitCrypt macro seg,off,len		; Initialises the Key with the Passw. 
	push	seg 
	push	off 
	push	len 
	callf	Blowfish_Init 
endm 
 
_WeakKey macro 
	callf	Blowfish_WeakKey	; Test if (initialised) Key is weak 
endm 
 
_Encrypt macro seg,off,len		; Encrypts a String (ECB Method) 
	push	seg			; len must be x*8 
	push	off			 
	push	len 
	callf	Blowfish_ECBEncrypt 
endm 
 
_Decrypt macro seg,off,len		; Decrypts a String (ECB Method) 
	push	seg			; len must be x*8 
	push	off		 
	push	len 
	callf	Blowfish_ECBDecrypt 
endm 
 
_CBCEncrypt macro seg,off,len,segcl,offcl,segch,offch  ; encrypts (CBC Method) 
	push	seg		; Adress of the Data 
	push	off 
	push	len		; len of data 
	push	segcl		; Adress of CBC low 
	push	offcl 
	push	segch		; and CBC high 
	push	offch 
	callf	Blowfish_CBCEncrypt 
endm 
 
_CBCDecrypt macro seg,off,len,segcl,offcl,segch,offch ; decrypts (CBC Method) 
	push	seg		; Adress of the Data 
	push	off 
	push	len		; and their length  
	push	segcl		; Adresse of CBC low 
	push	offcl 
	push	segch		; and CBC high 
	push	offch 
	callf	Blowfish_CBCDecrypt 
endm