本文实例讲述了Python基于hashlib模块的文件MD5一致性加密验证。分享给大家供大家参考,具体如下:
使用hashlib模块,可对文件MD5一致性加密验证:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
#python 检测文件MD5值 #python version 2.6 import hashlib import os,sys #简单的测试一个字符串的MD5值 def GetStrMd5(src): m0 = hashlib.md5() m0.update(src) print m0.hexdigest() pass #大文件的MD5值 def GetFileMd5(filename): if not os.path.isfile(filename): return myhash = hashlib.md5() f = file (filename, 'rb' ) while True : b = f.read( 8096 ) if not b : break myhash.update(b) f.close() return myhash.hexdigest() def CalcSha1(filepath): with open (filepath, 'rb' ) as f: sha1obj = hashlib.sha1() sha1obj.update(f.read()) hash = sha1obj.hexdigest() print ( hash ) return hash def CalcMD5(filepath): with open (filepath, 'rb' ) as f: md5obj = hashlib.md5() md5obj.update(f.read()) hash = md5obj.hexdigest() print ( hash ) return hash if __name__ = = "__main__" : if len (sys.argv) = = 2 : hashfile = sys.argv[ 1 ] if not os.path.exists(hashfile): hashfile = os.path.join(os.path.dirname(__file__),hashfile) if not os.path.exists(hashfile): print ( "cannot found file" ) else CalcMD5(hashfile) else : CalcMD5(hashfile) #raw_input("pause") else : print ( "no filename" ) |
希望本文所述对大家Python程序设计有所帮助。
原文链接:http://www.cnblogs.com/ccorz/p/5643764.html