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,'123456789012345620123456', '1234567890123456')
        logging.info(('e',mw))
        logging.info(('d',decrypt(mw,'123456789012345620123456', '1234567890123456')))
        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