#!/usr/bin/env python
# -*- coding: UTF-8 -*-
#pyversion:python3.5
#owner:fuzj

import hashlib
# ######## md5 ########
string = "beyongjie"
md5 = hashlib.md5()
md5.update(string.encode('utf-8'))   #注意转码
res = md5.hexdigest()
print("md5加密结果:",res)
# ######## sha1 ########
sha1 = hashlib.sha1()
sha1.update(string.encode('utf-8'))
res = sha1.hexdigest()
print("sha1加密结果:",res)
# ######## sha256 ########
sha256 = hashlib.sha256()
sha256.update(string.encode('utf-8'))
res = sha256.hexdigest()
print("sha256加密结果:",res)
# ######## sha384 ########
sha384 = hashlib.sha384()
sha384.update(string.encode('utf-8'))
res = sha384.hexdigest()
print("sha384加密结果:",res)
# ######## sha512 ########
sha512= hashlib.sha512()
sha512.update(string.encode('utf-8'))
res = sha512.hexdigest()
print("sha512加密结果:",res)

md5加密结果: 0e725e477851ff4076f774dc312d4748
sha1加密结果: 458d32be8ea38b66300174970ab0a8c0b734252f
sha256加密结果: 1e62b55bfd02977943f885f6a0998af7cc9cfb95c8ac4a9f30ecccb7c05ec9f4
sha384加密结果: e91cdf0d2570de5c96ee84e8a12cddf16508685e7a03b3e811099cfcd54b7f52183e20197cff7c07f312157f0ba4875b
sha512加密结果: 3f0020a726e9c1cb5d22290c967f3dd1bcecb409a51a8088db520750c876aaec3f17a70d7981cd575ed4b89471f743f3f24a146a39d59f215ae3e208d0170073

sha1 = hashlib.sha1()
sha1.update(string)
res = sha1.hexdigest()
print("sha1加密结果:",res)

TypeError: Unicode-objects must be encoded before hashing

shaa1 = hashlib.sha1()
shaa1.update(string.encode('utf-8'))
res = shaa1.hexdigest()
print("sha1采用encode转换加密结果:",res)

shab1 = hashlib.sha1()
shab1.update(bytes(string,encoding='utf-8'))
res = shab1.hexdigest()
print("sha1采用byte转换的结果:",res)

sha1采用encode转换加密结果: 458d32be8ea38b66300174970ab0a8c0b734252f
sha1采用byte转换的结果: 458d32be8ea38b66300174970ab0a8c0b734252f

m = hashlib.md5()
m.update('a'.encode('utf-8'))
res = m.hexdigest()
print("第一次a加密:",res)
m.update('b'.encode('utf-8'))
res = m.hexdigest()
print("第二次b加密:",res)

m1 = hashlib.md5()
m1.update('b'.encode('utf-8'))
res = m1.hexdigest()
print("b单独加密:",res)
m2 = hashlib.md5()
m2.update('ab'.encode('utf-8'))
res = m2.hexdigest()
print("ab单独加密:",res)

输出结果：
第一次a加密: 0cc175b9c0f1b6a831c399e269772661
第二次b加密: 187ef4436122d1cc2f40dc2b92f0eba0
b单独加密: 92eb5ffee6ae2fec3ad71c777531578f
ab单独加密: 187ef4436122d1cc2f40dc2b92f0eba0

low = hashlib.md5()
low.update('ab'.encode('utf-8'))
res = low.hexdigest()
print("普通加密:",res)
high = hashlib.md5(b'beyondjie')
high.update('ab'.encode('utf-8'))
res = high.hexdigest()
print("采用key加密:",res)
输出结果：
普通加密: 187ef4436122d1cc2f40dc2b92f0eba0
采用key加密: 1b073f6b8cffe609751e4c98537b7653

       import hmac
       import hashlib
       import base64
       hmac.new(Token,data,hashlib.sha1).digest().encode('base64').rstrip()

       base64_encode(hash_hmac("SHA1",clientStr,Token , true))

        HMAC( EVP_sha1(),
          /*key data*/ strKey.data(),
          /*key len*/ strKey.size(),
          /*data */(unsigned char*) strRandom.data(),
          /*data len*/ strRandom.size(), digest, &digest_len))

       echo -n '3f88a95c532bea70' | openssl dgst -hmac '123' -sha1 -binary | base64