python模块(hmac加密)(python)

python 还有一个 hmac 模块,它内部对我们创建 key 和 内容 再进行处理然后再加密散列消息鉴别码,简称HMAC,是一种基于消息鉴别码MAC(Message Authentication Code)的鉴别机制。使用HMAC时,消息通讯的双方,通过验证消息中加入的鉴别密钥K来鉴别消息的真伪;一般用于网络通信中消息加密,前提是双方先要约定好key,就像接头暗号一样,然后消息发送把用key把消息加密,接收方用key + 消息明文再加密,拿加密后的值 跟 发送者的相对比是否相等,这样就能验证消息的真实性,及发送者的合法性了。
个人演示

# Author:Sooele
# import hashlib
#
#
# ############  md5
# m = hashlib.md5()
# m.update(b"hello")
# print(m.hexdigest())
# m.update(b"sooele")
# print(m.hexdigest())
# m.update(b"sooele been along time ")
# print(m.hexdigest())
#
# m2 = hashlib.md5()
# m2.update(b"hello")
# print(m2.hexdigest())
#
#
# ##########sha1
# s2 = hashlib.sha1()
# s2.update(b"hello")
# print(s2.hexdigest())
import hmac
h = hmac.new(b'12345', b'sooele')
print (h.hexdigest())
h2 = hmac.new(b'dasf', b'asdfasdf')
print (h2.hexdigest())
print('-----------------------')
###################################
import hashlib
#
# m = hashlib.md5()
# m.update(b"Hello")
# print(m.hexdigest())
# m.update(b"It's me")
# print(m.hexdigest())
# m.update(b"It's been a long time since we spoken...")
#
m2 = hashlib.md5()
m2.update("HelloIt's me天王盖地虎".encode(encoding="utf-8"))
print(m2.hexdigest())
#
# s2  = hashlib.sha1()
# s2.update(b"HelloIt's me")
# print(s2.hexdigest())
import hmac
h = hmac.new(b"12345","you are 250你是".encode(encoding="utf-8"))
print(h.digest())
print(h.hexdigest())

输出结果
bb20a1b24e8864fdd3aba171c8083c34
eb185e64f1b6eaab0fa761fc185652aa
———————–
1850c8708d91953083ceeefa1aaa98b9
b’\x07\xa2\xa9\xbc\xdb_\x95\xe0_\x04\xa8b97\xad\xfe’
07a2a9bcdb5f95e05f04a8623937adfe
 

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