diff options
| -rw-r--r-- | encrypt.sts | 4 | ||||
| -rw-r--r-- | main.sts | 35 |
2 files changed, 20 insertions, 19 deletions
diff --git a/encrypt.sts b/encrypt.sts index edc9bbc..2422e66 100644 --- a/encrypt.sts +++ b/encrypt.sts @@ -2,8 +2,8 @@ module ia32/elf/begin.sts module cipher.sts set_entry - 31 local password - 1 as passlen + 31 32 local password + 2 as passlen passlen 1 - local pos do sys_read 0 = until password passlen pos cipher sys_write @@ -8,7 +8,7 @@ module bifreq.sts [ sd 0 swap drop ] defword nicedist - 3e9eb852 float_fload + 1 float_iload 10 float_iload float_div exit defword zeros @@ -36,7 +36,9 @@ defword calcdist ; distance from ideal as sqrt sum square diff 0 do dup 2bd = until swap float_fload swap float_fload float_add float_fstore swap 1 + od drop - float_fload float_sqrt nicedist float_less + float_fload float_sqrt + float_fstore dup print_hex newline sys_write float_fload + nicedist float_less exit defword checktext @@ -54,29 +56,27 @@ defword checktext checktext.length do 1 - dup word_size mul checktext.text + @ dup dup 'z' > 0 = swap 'a' < 0 = mul if - dup 'z' swap - word_size mul as checktext.i - checktext.i checktext.fr + @ 1 + checktext.i checktext.fr + ! + dup 'z' swap - word_size mul local checktext.i + checktext.i @ checktext.fr + @ 1 + checktext.i @ checktext.fr + ! checktext.count @ 1 + checktext.count ! checktext.hadalpha @ if checktext.bicount @ 1 + checktext.bicount ! - checktext.hadalpha 1 - 1a mul checktext.i + + checktext.hadalpha @ 1 - 1a mul checktext.i @ + checktext.bifr + - as checktext.bi - checktext.bi @ 1 + checktext.bi ! + dup @ 1 + swap ! fi - checktext.i 1 + checktext.hadalpha ! + 1 + checktext.hadalpha ! else dup dup 'Z' > 0 = swap 'A' < 0 = mul if - dup 'Z' swap - word_size mul as checktext.i - checktext.i checktext.fr + @ 1 + checktext.i checktext.fr + ! + dup 'Z' swap - word_size mul local checktext.i + checktext.i @ checktext.fr + @ 1 + checktext.i @ checktext.fr + ! checktext.count @ 1 + checktext.count ! checktext.hadalpha @ if checktext.bicount @ 1 + checktext.bicount ! - checktext.hadalpha 1 - 1a mul checktext.i + + checktext.hadalpha @ 1 - 1a mul checktext.i @ + checktext.bifr + - as checktext.bi - checktext.bi @ 1 + checktext.bi ! + dup @ 1 + swap ! fi - checktext.i 1 + checktext.hadalpha ! + 1 + checktext.hadalpha ! else 0 checktext.hadalpha ! dup dup 8 > 0 = swap 1 < 0 = mul if 2c3 clear 0 exit fi dup dup 1f > 0 = swap e < 0 = mul if @@ -88,6 +88,8 @@ defword checktext 1 float_iload 4 float_iload float_div float_less if 2c1 clear 0 exit fi + ; Division by zero shall not pass: + checktext.bicount 0 = if 2c1 clear 0 exit fi ; normalize: 0 do dup 1a = until dup word_size mul checktext.fr + dup @ float_iload @@ -132,13 +134,12 @@ set_entry float_init ; this is program with floats dup 0 = untilod drop drop local plaintext - ; check deciphering attempt, exit if Ok or keylen = max (2) - keylen 2 = if eeeee else length checktext fi dup until drop + ; check deciphering attempt, exit if Ok or keylen = max (3) + keylen 3 = if eeeee else length checktext fi dup until drop ; else remove the text from stack and place keylen back 0 do dup length = until swap drop 1 + od drop keylen - 4 print_stack od as langcode drop ; output language |