hankin
423baff73b
- Docker bridge 网络隔离（8000 端口封死） - Gunicorn 4 Worker 多进程 - Alembic 数据库迁移基线 - 日志轮转 20m×3 - JWT 密钥 + DB 密码 + CORS 收紧 - 3-2-1 备份链路（NAS + R740-B 冷备） - 连接池 pool_pre_ping + pool_recycle=3600
23 lines
830 B
Python
23 lines
830 B
Python
# Copyright (c) 2010-2024 openpyxl
|
|
|
|
|
|
def hash_password(plaintext_password=''):
|
|
"""
|
|
Create a password hash from a given string for protecting a worksheet
|
|
only. This will not work for encrypting a workbook.
|
|
|
|
This method is based on the algorithm provided by
|
|
Daniel Rentz of OpenOffice and the PEAR package
|
|
Spreadsheet_Excel_Writer by Xavier Noguer <xnoguer@rezebra.com>.
|
|
See also http://blogs.msdn.com/b/ericwhite/archive/2008/02/23/the-legacy-hashing-algorithm-in-open-xml.aspx
|
|
"""
|
|
password = 0x0000
|
|
for idx, char in enumerate(plaintext_password, 1):
|
|
value = ord(char) << idx
|
|
rotated_bits = value >> 15
|
|
value &= 0x7fff
|
|
password ^= (value | rotated_bits)
|
|
password ^= len(plaintext_password)
|
|
password ^= 0xCE4B
|
|
return str(hex(password)).upper()[2:]
|