技術標籤：pythonpythonmd5

1、介紹

2、演算法

# @Time : 2021/2/10 14:51
# @Description : (Message Digest Algorithm)MD5和（Secure Hash Algorithm）SHA1演算法測試

import hashlib

if __name__ == "__main__":
    print('------------------------------MD5演算法----------------------------------')
    md5 = hashlib.md5()
 

    md5.update('This is a sentence.'.encode("UTF-8"))
    md5.update('This is a second sentence.'.encode("UTF-8"))
    # 不出意外，這個將是“亂碼”： b'+\xfe\x14I\x16QUL\x05\x99k\x16)$\x85q'
    print('不出意外，這個將是“亂碼”：', md5.digest())
    # 轉化為十六進位制後輸出
    # MD5: 2bfe14491651554c05996b1629248571
    print
 
('MD5:', md5.hexdigest())

    md5 = hashlib.md5()
    md5.update('This is a sentence.This is a second sentence.'.encode("UTF-8"))
    # MD5: 2bfe14491651554c05996b1629248571
    print('MD5:', md5.hexdigest())
    # 輸出一些細節資訊
    # 16 64
    print(md5.digest_size, md5.block_size)

    print(
 
'------------------------------SHA1演算法----------------------------------')
    sha1 = hashlib.sha1()
    sha1.update('This is a sentence.'.encode("UTF-8"))
    sha1.update('This is a second sentence.'.encode("UTF-8"))
    # 不出意外，這個將是“亂碼”： b'\x99\xa7JH\xd5\xfba\x1ae%\x96+\xa3\xd5\x111\xcb:\x1d,'
    print('不出意外，這個將是“亂碼”：', sha1.digest())
    # SHA1: 99a74a48d5fb611a6525962ba3d51131cb3a1d2c
    print('SHA1:', sha1.hexdigest())

    sha1 = hashlib.sha1()
    sha1.update('This is a sentence.This is a second sentence.'.encode("UTF-8"))
    # SHA1: 99a74a48d5fb611a6525962ba3d51131cb3a1d2c
    print('SHA1:', sha1.hexdigest())
    # 20 64
    print(sha1.digest_size, sha1.block_size)
    print('=====================')

    md5 = hashlib.new('md5', 'This is a sentence.This is a second sentence.'.encode("UTF-8"))
    # 2bfe14491651554c05996b1629248571
    print(md5.hexdigest())
    sha1 = hashlib.new('sha1', 'This is a sentence.This is a second sentence.'.encode("UTF-8"))
    # 99a74a48d5fb611a6525962ba3d51131cb3a1d2c
    print(sha1.hexdigest())

    # print(hashlib.algorithms)
    print(hashlib.algorithms_available)