pgergis

Keybase proof

I hereby claim:

• I am pgergis on github.
• I am pgergis (https://keybase.io/pgergis) on keybase.
• I have a public key ASBKowxsFEj6wIF8ls7zrqOEq1w5ZQdn5_9sxwmnL8_H5go

To claim this, I am signing this object:

pgergis

import io

def _str_decode(fd, str_len):
    len_digits = [str(str_len)]
    char = fd.read(1)
    while char != ':':
        len_digits.append(char)
        char = fd.read(1)
    try:
        str_len = int(''.join(len_digits))

pgergis

--file: cryptoMath.hs

-- Cryptopals: http://cryptopals.com/sets/1

-- Hex encoding: [0..9][A..F]
-- B64 encoding: [A..Z][a..z][0..9][+][/][[=]]

-- Note: Each hex char is 4 bits; each b64 char is 6 bits

module CryptoMath where

pgergis

-- file: vigenereCipher.hs

import Data.Char

let2int                 ::  Char -> Int
let2int c               =   ord c - ord 'a'

int2let                 ::  Int -> Char
int2let n               =   chr (ord 'a' + n)