5 def access_bit(data, num):
8 return (data[base] & (1 << shift)) >> shift
11 with open("./input.gpg", "rb") as f:
12 bs = bytearray(f.read())
14 with open("./english.txt", "r") as wordlist:
15 words = [word.strip() for word in wordlist.readlines() if word.strip()]
17 digest = hashlib.sha256(bs).digest()
20 bits = [access_bit(bs, i) for i in range(len(bs) * 8)]
21 checksum_bits = [access_bit(digest, i) for i in range(len(digest) * 8)]
24 nearest_mulitple_of_11 = math.floor((n_bits/11) + 1) * 11
25 bits_missing = nearest_mulitple_of_11 - n_bits
26 bits += checksum_bits[0:bits_missing]
30 for i in range(0, len(bits), 11):
31 word_bits = bits[i:i+11]
33 for j, bit in enumerate(word_bits):
35 word = words[word_int] + " "
36 mnemonic.append(word[0:10])
39 mnemonics = [mnemonic[i:i+5] for i in range(0, len(mnemonic), 5)]