diff options
| author | oldmud0 <oldmud0@users.noreply.github.com> | 2018-11-10 23:15:54 -0600 |
|---|---|---|
| committer | oldmud0 <oldmud0@users.noreply.github.com> | 2018-11-10 23:15:54 -0600 |
| commit | de348c22d5f1287cc38734e6e3b77fc492629721 (patch) | |
| tree | a0c57e47c29404ce1312bebf9528fdf0c62b2615 /server/fantacrypt.py | |
| parent | 56ec03a23a0f687b79d3ce324e517563a41c0032 (diff) | |
Coalesce server changes into patch file (this is not a monorepo)
Diffstat (limited to 'server/fantacrypt.py')
| -rw-r--r-- | server/fantacrypt.py | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/server/fantacrypt.py b/server/fantacrypt.py deleted file mode 100644 index e31548e..0000000 --- a/server/fantacrypt.py +++ /dev/null @@ -1,45 +0,0 @@ -# tsuserver3, an Attorney Online server -# -# Copyright (C) 2016 argoneus <argoneuscze@gmail.com> -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -# fantacrypt was a mistake, just hardcoding some numbers is good enough - -import binascii - -CRYPT_CONST_1 = 53761 -CRYPT_CONST_2 = 32618 -CRYPT_KEY = 5 - - -def fanta_decrypt(data): - data_bytes = [int(data[x:x + 2], 16) for x in range(0, len(data), 2)] - key = CRYPT_KEY - ret = '' - for byte in data_bytes: - val = byte ^ ((key & 0xffff) >> 8) - ret += chr(val) - key = ((byte + key) * CRYPT_CONST_1) + CRYPT_CONST_2 - return ret - - -def fanta_encrypt(data): - key = CRYPT_KEY - ret = '' - for char in data: - val = ord(char) ^ ((key & 0xffff) >> 8) - ret += binascii.hexlify(val.to_bytes(1, byteorder='big')).decode().upper() - key = ((val + key) * CRYPT_CONST_1) + CRYPT_CONST_2 - return ret |
