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-rw-r--r--main.sts12
1 files changed, 7 insertions, 5 deletions
diff --git a/main.sts b/main.sts
index 69d8d81..ee11303 100644
--- a/main.sts
+++ b/main.sts
@@ -51,11 +51,12 @@ defword checktext
drop drop drop drop drop drop drop drop drop drop drop drop drop
0 exit fi drop
dup 0 = untilod drop
-; ZERO DIVISION SHALL NOT PASS
-checktext.count 0 = if drop
- drop drop drop drop drop drop drop drop drop drop drop drop drop
- drop drop drop drop drop drop drop drop drop drop drop drop drop
-0 exit fi
+ ; At least half characters in text should be alphabetical:
+ checktext.count float_iload checktext.length float_iload float_div
+ 1 float_iload 2 float_iload float_div float_more if drop
+ drop drop drop drop drop drop drop drop drop drop drop drop drop
+ drop drop drop drop drop drop drop drop drop drop drop drop drop
+ 0 exit fi
; normalize:
0 do dup 1a = until
dup word_size mul checktext.fr + dup @ float_iload
@@ -82,6 +83,7 @@ set_entry float_init ; this is program with floats
do
; generate next key to try
keygen as keylen local key
+ '.' sys_write_err
; decipher text (length is the same as for ciphertext)
keylen 1 - length do 1 -