github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-19 21:03:48 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

findbits converted to python3 + tests

Browse source
This commit is contained in:
Philippe Teuwen 2020-02-21 16:45:00 +01:00
commit ba6f58cc05
3 changed files with 28 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

50
tools/findbits.py
View file

@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
# findbits.py - find Binary, Octal, Decimal or Hex number in bitstream
#
@ -31,10 +31,9 @@ def invert(data):
def search(target,data):
location = data.find(target)
if location >= 0:
print '*** Match at bit %d:' % location,
print '%s<%s>%s' % (data[:location],target,data[location+len(target):])
print('*** Match at bit {:d}: {}<{}>{}'.format(location, data[:location],target,data[location+len(target):]))
else:
print 'Not found'
print('Not found')
# convert integer to binary string
def binstring(number):
@ -49,32 +48,32 @@ def domatch(binary,number):
reversed= stringreverse(number)
inverted= invert(binary)
print ' Forward: (%s)' % number,
print(' Forward: (%s) ' % number, end = '')
search(binary,number)
print ' Reverse: (%s)' % reversed,
print(' Reverse: (%s) ' % reversed, end = '')
search(binary,reversed)
print ' Inverse: (%s)' % inverted
print ' Forward: (%s)' % number,
print(' Inverse: (%s) ' % inverted)
print(' Forward: (%s) ' % number, end = '')
search(inverted,number)
print ' Reverse: (%s)' % reversed,
print(' Reverse: (%s) ' % reversed, end = '')
search(inverted,reversed)
def main():
if(len(sys.argv) < 3):
print
print '\t'+sys.argv[0] + ' - Search bitstream for a known number'
print
print 'Usage: ' + sys.argv[0] + ' <NUMBER> <BITSTREAM>'
print
print '\tNUMBER will be converted to it\'s BINARY equivalent for all valid'
print '\tinstances of BINARY, OCTAL, DECIMAL and HEX, and the bitstream'
print '\tand it\'s inverse will be searched for a pattern match. Note that'
print '\tNUMBER must be specified in BINARY to match leading zeros.'
print
print 'Example:'
print
print '\tfindbits.py 73 0110010101110011'
print
print("""
\t{0} - Search bitstream for a known number
Usage: {0} <NUMBER> <BITSTREAM>
\tNUMBER will be converted to it\'s BINARY equivalent for all valid
\tinstances of BINARY, OCTAL, DECIMAL and HEX, and the bitstream
\tand it\'s inverse will be searched for a pattern match. Note that
\tNUMBER must be specified in BINARY to match leading zeros.
Example:
\t{0} 73 0110010101110011
""".format(sys.argv[0]))
os._exit(True)
bases= {
@ -84,11 +83,10 @@ def main():
16:'HEX',
}
for base, base_name in sorted(bases.iteritems()):
for base, base_name in sorted(bases.items()):
try:
number= int(sys.argv[1],base)
print
print 'Trying', base_name
print('\nTrying ' + base_name)
# do BINARY as specified to preserve leading zeros
if base == 2:
domatch(sys.argv[1],sys.argv[2])