python3 aes加解密

# encoding: utf-8

import xlrd

import os

import yaml

import logging.config

from Crypto.Cipher import AES

import base64

def setup_logging(default_path = "log_config.yaml",default_level = logging.INFO,env_key = "LOG_CFG"):

    path = default_path

    value = os.getenv(env_key,None)

    if value:

        path = value

    if os.path.exists(path):

        with open(path,"r") as f:

            config = yaml.load(f)

            logging.config.dictConfig(config)

    else:

        logging.basicConfig(level = default_level)

def encrypt(text, key, iv):

    if type(text) is str:

        text = text.encode(encoding='utf-8', errors='strict')

    if type(key) is str:

        key = key.encode(encoding='utf-8', errors='strict')

    if type(iv) is str:

        iv = iv.encode(encoding='utf-8', errors='strict')

    if len(text) % 16:

        text += (chr(16 - len(text) % 16) * (16 - len(text) % 16)).encode(encoding='utf-8', errors='strict')

    text = base64.b64encode(s=AES.new(key, mode=AES.MODE_CBC, IV=iv).encrypt(text),

                            altchars=None).decode(encoding='utf-8', errors='strict')

    return text

def decrypt(cipher_text, key, iv):

    if type(key) is str:

        key = key.encode(encoding='utf-8', errors='strict')

    if type(iv) is str:

        iv = iv.encode(encoding='utf-8', errors='strict')

    if type(cipher_text) is str:

        cipher_text_bytes = base64.b64decode(cipher_text)

    #todo aes解密

    plaintext_bytes = AES.new(key, mode=AES.MODE_CBC, IV=iv).decrypt(cipher_text_bytes)

    #todo 去填充字节

    for i in range(1,17):

        plaintext_bytes = plaintext_bytes.rstrip(chr(i).encode(encoding='utf-8', errors='strict'))

    plaintext = plaintext_bytes.decode(encoding='utf-8', errors='strict')

    return plaintext

if __name__ == '__main__':

    setup_logging()

    """

    book = xlrd.open_workbook('testdata_1.xlsx')

    sheet = book.sheet_by_index(0)  # 根据顺序获取sheet

    print(sheet.ncols)  # 获取excel里面有多少列

    print(sheet.nrows)  # 获取excel里面有多少行

    for i in range(1, sheet.nrows):

        user_info_dict = {}

        if len(sheet.cell(i, 0).value) > 0:

            user_info_dict['name'] = sheet.cell(i, 0).value.strip()

            user_info_dict['idcard'] = sheet.cell(i, 1).value.strip()

            print(sheet.cell(i, 2).value)

            print(sheet.cell(i, 2).ctype)

            user_info_dict['phone'] = str(int(sheet.cell(i, 2).value)).strip()

            print(user_info_dict)

    print(chr(1))

    """

    for i in range(1,20):

        s = 'a'* i

        logging.info(('s', s))

        mw = encrypt(s,'', '')

        logging.info(('e',mw))

        logging.info(('d',decrypt(mw,'', '')))

        logging.info('====================')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 70 - ('s', 'a')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 72 - ('e', 'iEqJ43muMK0K98y26ZG55A==')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 73 - ('d', 'a')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,153 - root - INFO - MainThread - 70 - ('s', 'aa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 72 - ('e', 'tXevZVzEJABPQtw9DECgYQ==')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 73 - ('d', 'aa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,153 - root - INFO - MainThread - 70 - ('s', 'aaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 72 - ('e', '/I7IfuZDcDaKXZtifDcs5w==')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 73 - ('d', 'aaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,153 - root - INFO - MainThread - 70 - ('s', 'aaaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 72 - ('e', 'Alk1FhjAr4JUbb+m+u+F2Q==')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 73 - ('d', 'aaaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,153 - root - INFO - MainThread - 70 - ('s', 'aaaaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 72 - ('e', 'udmP3Tf0/u4RYBMKJPJ0/A==')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 73 - ('d', 'aaaaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,153 - root - INFO - MainThread - 70 - ('s', 'aaaaaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 72 - ('e', 'PdwwbsFTMHDNUsJMZAeM+A==')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 73 - ('d', 'aaaaaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,153 - root - INFO - MainThread - 70 - ('s', 'aaaaaaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 72 - ('e', 'X5sjPFnk30mCHVDVacXjyA==')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 73 - ('d', 'aaaaaaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,153 - root - INFO - MainThread - 70 - ('s', 'aaaaaaaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 72 - ('e', 'n67DCEhkX6Dr0soQVz63zg==')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 73 - ('d', 'aaaaaaaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,153 - root - INFO - MainThread - 70 - ('s', 'aaaaaaaaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 72 - ('e', 'jmv9NFzbmiWcpd+gOMXFLg==')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 73 - ('d', 'aaaaaaaaa')

2018-10-31 08:59:50,153 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,153 - root - INFO - MainThread - 70 - ('s', 'aaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 72 - ('e', 'N1eeE8sahDhoNxGKhHINcg==')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 73 - ('d', 'aaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,169 - root - INFO - MainThread - 70 - ('s', 'aaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 72 - ('e', 'X5ldc5VOXhEY9mpySsAf8A==')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 73 - ('d', 'aaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,169 - root - INFO - MainThread - 70 - ('s', 'aaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 72 - ('e', 'S2z8gQ/EzVhbhcthz1ILbQ==')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 73 - ('d', 'aaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,169 - root - INFO - MainThread - 70 - ('s', 'aaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 72 - ('e', 'FMNUDHyJxF13BvqT3Iru6g==')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 73 - ('d', 'aaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,169 - root - INFO - MainThread - 70 - ('s', 'aaaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 72 - ('e', 'hB6U1AchwgQuYOlwMcmegA==')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 73 - ('d', 'aaaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,169 - root - INFO - MainThread - 70 - ('s', 'aaaaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 72 - ('e', 'N7wIcnTQH5jlRyG6YqAcqA==')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 73 - ('d', 'aaaaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,169 - root - INFO - MainThread - 70 - ('s', 'aaaaaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 72 - ('e', 'LWlQdN/UTy+opSdVdh/hyw==')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 73 - ('d', 'aaaaaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,169 - root - INFO - MainThread - 70 - ('s', 'aaaaaaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 72 - ('e', 'LWlQdN/UTy+opSdVdh/hyw4zq/Ogqcr8FyuqK/GUqAY=')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 73 - ('d', 'aaaaaaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,169 - root - INFO - MainThread - 70 - ('s', 'aaaaaaaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 72 - ('e', 'LWlQdN/UTy+opSdVdh/hy1q9voPP4CUk7ON/d/piMPU=')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 73 - ('d', 'aaaaaaaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 74 - ====================

2018-10-31 08:59:50,169 - root - INFO - MainThread - 70 - ('s', 'aaaaaaaaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 72 - ('e', 'LWlQdN/UTy+opSdVdh/hy736EUVnpijwTpyfWWP+i0k=')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 73 - ('d', 'aaaaaaaaaaaaaaaaaaa')

2018-10-31 08:59:50,169 - root - INFO - MainThread - 74 - ====================

Process finished with exit code 0

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