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som minor fixes on transpose.py

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This commit is contained in:
Tobias Kessels
2019-10-18 15:21:41 +02:00
parent ab45bbacf0
commit 842bd147db
1 changed files with 19 additions and 18 deletions
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37
transpose.py
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@@ -1,6 +1,7 @@
import pprint import pprint
import math import math
secret="OUHRSTHFSOENOFETURFELIRFTSNEMOEEMELNTARETOKCAETBFIHFTTTNMEELEEOHYBAERORCRSEDNCEUUTHITOYRSTEDSBEIEOTNLRMOEFPOHHAYLAGXYISNIARAUABGBURILFERPEEHTECDINNDITHFFIEHTKESYTDHEREOALGNABSMWEHVEFSOAMETAOCRFTAHEOFSINAMEOTRNGRINTHFFIEHTIEGMELNTSTEOMCOHEOWTEWREAIDANHTRARARTEHEETVFIYREAHVSAONDPROSTRAEUOYCTTTHWISANMUHETENTIISEDHETSUSENTEITNG OOLEEB L" secret="OUHRSTHFSOENOFETURFELIRFTSNEMOEEMELNTARETOKCAETBFIHFTTTNMEELEEOHYBAERORCRSEDNCEUUTHITOYRSTEDSBEIEOTNLRMOEFPOHHAYLAGXYISNIARAUABGBURILFERPEEHTECDINNDITHFFIEHTKESYTDHEREOALGNABSMWEHVEFSOAMETAOCRFTAHEOFSINAMEOTRNGRINTHFFIEHTIEGMELNTSTEOMCOHEOWTEWREAIDANHTRARARTEHEETVFIYREAHVSAONDPROSTRAEUOYCTTTHWISANMUHETENTIISEDHETSUSENTEITNG OOLEEB L"
col_key="EJALMVWUSTRPOBY" # (16)missing 1 char col_key="EJALMVWUSTRPOBY" # (16)missing 1 char
row_key="GHPTYPAMTAPQRNDHD" # (21) missing 4 chars one of which is 'D' row_key="GHPTYPAMTAPQRNDHD" # (21) missing 4 chars one of which is 'D'
@@ -18,14 +19,13 @@ def cell_length(text_length,key_length):
def padded_length(text_length,key_length): def padded_length(text_length,key_length):
return cell_length(text_length,key_length)*key_length return cell_length(text_length,key_length)*key_length
def revert_key(key): def revert_key(enc_key):
return [x[0] for x in sorted(enumerate(key), key=lambda x: x[1])] return [x[0] for x in sorted(enumerate(enc_key), key=lambda x: x[1])]
def mosh(text,key): def mosh(text,enc_key):
tmp=sorted(zip(text,key), key=lambda x: x[1]) tmp=sorted(zip(text,enc_key), key=lambda x: x[1])
return [x[0] for x in tmp] return [x[0] for x in tmp]
def cols(text,key_length): def cols(text,key_length):
# col_length=cell_length(len(text),key_length) # col_length=cell_length(len(text),key_length)
columns=[ "" for i in range(0,key_length) ] columns=[ "" for i in range(0,key_length) ]
@@ -74,20 +74,14 @@ def prows(a,header=None):
def encode(text,key): def encode(text,key):
text=text.ljust(math.ceil(len(text)/len(key))*len(key),'_') text=text.ljust(padded_length(len(text),len(key)),'_')
# print("encoding <%s>"%text)
columnized_text=cols(text,len(key)) columnized_text=cols(text,len(key))
# pcols(columnized_text)
shuffled_colums=mosh(columnized_text,key) shuffled_colums=mosh(columnized_text,key)
# pcols(shuffled_colums)
return rows_to_str(shuffled_colums) return rows_to_str(shuffled_colums)
def decode(text,key): def decode(text,key):
# print("decoding <%s>"%text)
row_data=rows(text,cell_length(len(text), len(key))) row_data=rows(text,cell_length(len(text), len(key)))
# prows(row_data)
reorderd=mosh(row_data,revert_key(key)) reorderd=mosh(row_data,revert_key(key))
# prows(reorderd)
return cols_to_str(reorderd) return cols_to_str(reorderd)
@@ -109,13 +103,20 @@ def get_row_keys():
for x in row_alpha: for x in row_alpha:
for y in row_alpha: for y in row_alpha:
for z in row_alpha: for z in row_alpha:
for d in row_alpha: # for d in row_alpha:
yield(row_key+d+x+y+z) # yield(row_key+d+x+y+z)
yield(row_key+"D"+x+y+z)
yield(row_key+x+"D"+y+z)
yield(row_key+x+y+"D"+z)
yield(row_key+x+y+z+"D")
def nub(it):
seen = set()
for x in it:
if x not in seen:
yield x
seen.add(x)
# yield(row_key+"D"+x+y+z)
# yield(row_key+x+"D"+y+z)
# yield(row_key+x+y+"D"+z)
# yield(row_key+x+y+z+"D")
def decryptor(): def decryptor():