A2osX/BIN/HMACMD5.S.txt

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/hmacmd5
*--------------------------------------
.INB inc/macros.i
.INB inc/a2osx.i
.INB inc/mli.e.i
.INB inc/libcrypt.i
*--------------------------------------
FILEBUF.SIZE .EQ 4096
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPPtr1 .BS 2
ZPDataBufPtr .BS 2
ZPDataLen .BS 2
ArgIndex .BS 1
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aOptD .BS 1
aOptK .BS 1
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bText .BS 1
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bGotKey .BS 1
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hFile .BS 1
hDataBuf .BS 1
hHMACMD5Ctx .BS 1
ZS.END .ED
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA 0
.DA CS.END-CS.START CS
.DA DS.END-DS.START DS
.DA #16 SS
.DA #ZS.END-ZS.START ZP
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.LIBCRYPT .DA LIBCRYPT
L.MSG.USAGE .DA MSG.USAGE
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L.HMACMD5.IPAD .DA HMACMD5.IPAD
L.HMACMD5.OPAD .DA HMACMD5.OPAD
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.DA 0
*--------------------------------------
CS.INIT >LDYA L.LIBCRYPT
>SYSCALL LoadLib
bcs .9
sta hLIBCRYPT
* clc
.9 rts
*--------------------------------------
CS.RUN ldy #S.PS.ARGC
lda (pPS),y
beq .99
.10 lda #0
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pha
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.1 inc ArgIndex
lda ArgIndex
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>SYSCALL ArgV
plx
bcs .8
>STYA ZPPtr1
lda (ZPPtr1)
cmp #'-'
bne .4
ldy #1
lda (ZPPtr1),y
beq .99
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ldy #OptionEnd-OptionList-1
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.2 cmp OptionList,y
beq .3
dey
bpl .2
.99 >PUSHW L.MSG.USAGE
>PUSHBI 0
>SYSCALL PrintF
lda #E.SYN
sec
rts
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.3 tya
lsr
pha
tax
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sec
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ror bText,x
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bra .1
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.4 lda ArgIndex
sta aOptD,x
bra .10
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.8 lda bGotKey
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beq .99
lda bText
beq CS.RUN.FILE
*--------------------------------------
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CS.RUN.TEXT lda aOptD
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>SYSCALL ArgV
>PUSHYA
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lda aOptK
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>SYSCALL ArgV
>PUSHYA
>PUSHEA.G HMACMD5Buf
>LIBCALL hLIBCRYPT,LIBCRYPT.HMACMD5
jmp CS.RUN.PRINT
*--------------------------------------
CS.RUN.FILE >LDYAI FILEBUF.SIZE
>SYSCALL GetMem
bcs .9
>STYA ZPDataBufPtr
stx hDataBuf
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lda aOptD
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>SYSCALL ArgV
>PUSHYA
>PUSHBI O.RDONLY
>PUSHBI 0 ftype
>PUSHWZ Aux type
>SYSCALL FOpen
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bcc .1
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.9 rts
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.1 sta hFile
lda aOptK
>SYSCALL ArgV
>STYA ZPDataBufPtr
>SYSCALL2 strlen
>STYA ZPDataLen
cpy #65
bcs .2
tay
beq .3
.2 >SYSCALL MD5Init
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bcs .9
sta hHMACMD5Ctx
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>SLEEP
>PUSHB hHMACMD5Ctx
lda aOptK
>SYSCALL ArgV
>PUSHYA
>PUSHW ZPDataLen
>SYSCALL MD5Update
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>PUSHB hHMACMD5Ctx
>PUSHEA.G HMACMD5Buf
>SYSCALL MD5Finalize
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jsr RevertASCII
.3 ldy #0
.4 lda #$36
cpy ZPDataLen
bcs .5
eor (ZPDataBufPtr),y
.5 sta HMACMD5.IPAD,y
eor #$6A #$36 eor #$5C
sta HMACMD5.OPAD,y
iny
cpy #64
bne .4
stz HMACMD5.IPAD+64
stz HMACMD5.OPAD+64
rebase
>SYSCALL MD5Init
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bcc .6
rts
.6 sta hHMACMD5Ctx
>PUSHB hHMACMD5Ctx
>PUSHW L.HMACMD5.IPAD
>PUSHWI 64
>SYSCALL MD5Update
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.7 >SLEEP
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>PUSHB hFile
>PUSHW ZPDataBufPtr Dst Ptr
>PUSHWI FILEBUF.SIZE Bytes To Read
>SYSCALL FRead
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bcc .8
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cmp #MLI.E.EOF
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beq .10
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.99 rts
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.8 >STYA ZPDataLen
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>SLEEP
>PUSHB hHMACMD5Ctx
>PUSHW ZPDataBufPtr
>PUSHW ZPDataLen
>SYSCALL MD5Update
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bra .7
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.10 >PUSHB hHMACMD5Ctx
>PUSHEA.G HMACMD5Buf
>SYSCALL MD5Finalize
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jsr RevertASCII
>SYSCALL MD5Init
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bcs .99
sta hHMACMD5Ctx
>PUSHB hHMACMD5Ctx
>PUSHW L.HMACMD5.OPAD
>PUSHWI 64
>SYSCALL MD5Update
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>PUSHB hHMACMD5Ctx
>PUSHW L.HMACMD5.IPAD
>PUSHWI 16
>SYSCALL MD5Update
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>PUSHB hHMACMD5Ctx
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>PUSHEA.G HMACMD5Buf
>SYSCALL MD5Finalize
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CS.RUN.PRINT >LEA.G HMACMD5Buf
>SYSCALL PutS
lda #0
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sec
rts
*--------------------------------------
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RevertASCII >LEA.G HMACMD5Buf
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>STYA ZPDataBufPtr
ldx #16
stx ZPDataLen
ldy #31
.1 lda (ZPDataBufPtr),y
cmp #$3A
bcc .2
sbc #7
.2 and #$0f
sta bText
dey
lda (ZPDataBufPtr),y
cmp #$3A
bcc .3
sbc #7
.3 asl
asl
asl
asl
ora bText
sta HMACMD5.IPAD-1,x
dex
dey
bpl .1
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*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.QUIT lda hLIBCRYPT
beq .1
>SYSCALL UnloadLib
.1 lda hDataBuf
beq .2
>SYSCALL FreeMem
.2 lda hFile
beq .3
>SYSCALL FClose
.3 clc
rts
*--------------------------------------
CS.END
LIBCRYPT .AZ "libcrypt"
hLIBCRYPT .BS 1
*--------------------------------------
OptionList .AS "DdKk"
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OptionEnd
*--------------------------------------
MSG.USAGE .CZ "Usage : HMACMD5 [ -d input text | input file ] [ -k key ]\r\n"
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*--------------------------------------
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HMACMD5.IPAD .BS 65
HMACMD5.OPAD .BS 65
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*--------------------------------------
.DUMMY
.OR 0
DS.START
HMACMD5Buf .BS 33
DS.END .ED
*--------------------------------------
MAN
SAVE usr/src/bin/hmacmd5.s
ASM