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