From 0892d55d9247c63d38d4044a0ac9f3000820fd38 Mon Sep 17 00:00:00 2001 From: Nzix Date: Fri, 26 Oct 2018 12:01:26 +0800 Subject: [PATCH] modify comments --- ncmdump.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/ncmdump.py b/ncmdump.py index 984d8e9..2cd9c5d 100644 --- a/ncmdump.py +++ b/ncmdump.py @@ -38,7 +38,7 @@ def dump(input_path, output_path = None): key_data = unpad(cryptor.decrypt(key_data))[17:] key_length = len(key_data) - # key box (standard RC4 Key-scheduling algorithm) + # S-box (standard RC4 Key-scheduling algorithm) key = bytearray(key_data) S = bytearray(range(256)) j = 0 @@ -80,7 +80,7 @@ def dump(input_path, output_path = None): for k, _ in enumerate(data): i = (i + 1) % 256 j = (i + S[i]) % 256 # in RC4, is j = (j + S[i]) % 256 - # S[i], S[j] = S[j], S[i] # skip swapping + # S[i], S[j] = S[j], S[i] # no swapping data[k] ^= S[(S[i] + S[j]) % 256] m.write(data)