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md5driver.py 0000644 00000004722 15037402440 0007023 0 ustar 00 import string
import md5
from sys import argv
def MDPrint(str):
outstr = ''
for i in str:
o = ord(i)
outstr = (outstr
+ string.hexdigits[(o >> 4) & 0xF]
+ string.hexdigits[o & 0xF])
print outstr,
from time import time
def makestr(start, end):
result = ''
for i in range(start, end + 1):
result = result + chr(i)
return result
def MDTimeTrial():
TEST_BLOCK_SIZE = 1000
TEST_BLOCKS = 10000
TEST_BYTES = TEST_BLOCK_SIZE * TEST_BLOCKS
# initialize test data, need temporary string filler
filsiz = 1 << 8
filler = makestr(0, filsiz-1)
data = filler * (TEST_BLOCK_SIZE // filsiz)
data = data + filler[:(TEST_BLOCK_SIZE % filsiz)]
del filsiz, filler
# start timer
print 'MD5 time trial. Processing', TEST_BYTES, 'characters...'
t1 = time()
mdContext = md5.new()
for i in range(TEST_BLOCKS):
mdContext.update(data)
str = mdContext.digest()
t2 = time()
MDPrint(str)
print 'is digest of test input.'
print 'Seconds to process test input:', t2 - t1
print 'Characters processed per second:', TEST_BYTES / (t2 - t1)
def MDString(str):
MDPrint(md5.new(str).digest())
print '"' + str + '"'
def MDFile(filename):
f = open(filename, 'rb')
mdContext = md5.new()
while 1:
data = f.read(1024)
if not data:
break
mdContext.update(data)
MDPrint(mdContext.digest())
print filename
import sys
def MDFilter():
mdContext = md5.new()
while 1:
data = sys.stdin.read(16)
if not data:
break
mdContext.update(data)
MDPrint(mdContext.digest())
print
def MDTestSuite():
print 'MD5 test suite results:'
MDString('')
MDString('a')
MDString('abc')
MDString('message digest')
MDString(makestr(ord('a'), ord('z')))
MDString(makestr(ord('A'), ord('Z'))
+ makestr(ord('a'), ord('z'))
+ makestr(ord('0'), ord('9')))
MDString((makestr(ord('1'), ord('9')) + '0') * 8)
# Contents of file foo are "abc"
MDFile('foo')
# I don't wanna use getopt(), since I want to use the same i/f...
def main():
if len(argv) == 1:
MDFilter()
for arg in argv[1:]:
if arg[:2] == '-s':
MDString(arg[2:])
elif arg == '-t':
MDTimeTrial()
elif arg == '-x':
MDTestSuite()
else:
MDFile(arg)
main()
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README 0000644 00000000665 15037402440 0005432 0 ustar 00 This is the Python version of the MD5 test program from the MD5
Internet Draft (Rivest and Dusse, The MD5 Message-Digest Algorithm, 10
July 1991). The file "foo" contains the string "abc" with no trailing
newline.
When called without arguments, it acts as a filter. When called with
"-x", it executes a self-test, and the output should literally match
the output given in the RFC.
Code by Jan-Hein B\"uhrman after the original in C.
foo 0000644 00000000003 15037402440 0005242 0 ustar 00 abc