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module ia32/elf/begin.sts
module cipher.sts
set_entry
; read file into stack
0 do sys_read 0 = until
swap 1 +
od drop as length
local ciphertext
; -= MAIN LOOP BEGIN =- ;
; place password ontop of stack
31 32 33 local password
3 as passlen
; decipher text (length is the same as for ciphertext)
passlen 1 - length do 1 -
as pos local cipos
pos word_size mul ciphertext + @
password
passlen
cipos
cipher
swap pos
dup 0 = untilod drop drop
local plaintext
; todo: check deciphering attempt, exit if Ok
; -= MAIN LOOP END =- ;
; output text (todo: and language)
length do 1 -
dup word_size mul plaintext + @ sys_write
dup 0 = untilod
sys_exit
module ia32/elf/end.sts
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