import random
inputs = []
randIndex = random.sample(range(n), k)
for i in randIndex:
f = outputs[i]
s = f.getvalue().encode("hex")
print str(i) + ": " + s
inputs.append(f)
print ""
print "decoding shares "
for i in inputs:
print i.getvalue().encode("hex")
output = StringIO.StringIO()
rvsuccess = s4_decode(inputs, output)
print ""
print "decoding insufficient shares "
inputs.pop()
for i in inputs:
print i.getvalue().encode("hex")
badoutput = StringIO.StringIO()
rvfail = s4_decode(inputs, badoutput)
badoutput = badoutput.getvalue()
print ""
print "input text: %s" % input.getvalue()
print "output text: %s\n\treturn value %d (should be %d)" % (output.getvalue(), rvsuccess, True)
print "short decode return value %d (should be %d)" % (rvfail, False)
if num_bad:
wrong = shares[0].getvalue().encode('hex')
wrong = wrong[::-1]
wrong = wrong.decode('hex')
shares.append(StringIO.StringIO())
shares[-1].write(wrong)
# test all-fragments (5), over-determined (4), sufficient (3), insufficient (2)
while True:
i = len(shares)
if ((i - num_bad) < (num_needed - 1)):
break
output = StringIO.StringIO()
try: # decode returns True for success, False for failure
status = s4_decode(shares,output)
except: # catch math, IO exceptions and simply mark the test as failed
status = False
# expected results:
# (m <= x <= n) fragments will allow for reassembly
# (x < m) fragments do not allow for reassembly
# the presence of incorrect fragments prevents reassembly
expected = True if ((i >= num_needed) and (num_bad == 0)) else False
if (status == expected):
statusmsg = "PASS"
else:
exitcode = 1
statusmsg = "FAIL"
print "n=%d split=%d/%d bad %d %s" % ((i - num_bad), num_needed, num_shares, num_bad, statusmsg)
print "randomly selecting %d shares" % k
import random
inputs = []
randIndex = random.sample(range(n), k)
for i in randIndex:
f = outputs[i]
s = f.getvalue().encode('hex')
print str(i)+": "+s
inputs.append(f)
print ""
print "decoding shares "
for i in inputs:
print i.getvalue().encode('hex')
output = StringIO.StringIO()
rvsuccess = s4_decode(inputs,output)
print ""
print "decoding insufficient shares "
inputs.pop()
for i in inputs:
print i.getvalue().encode('hex')
badoutput = StringIO.StringIO()
rvfail = s4_decode(inputs,badoutput)
badoutput = badoutput.getvalue()
print ""
print "input text: %s" % input.getvalue()
print "output text: %s\n\treturn value %d (should be %d)" % (output.getvalue(), rvsuccess, True)
print "short decode return value %d (should be %d)" % (rvfail, False)
#!/usr/bin/env python
# Copyright 2014 Chris Kuethe
import StringIO
from pysssslib import s4_decode
inbuf = []
x = '4dd42fd883c62f3f7d4bb8d715663976500e2895f578e251591355c44b11ad1573a9d68faab458d0e9b5e4fccf6ef41fdd5aa00695ec9324deba9213b29ee6e8'.decode('hex')
inbuf.append(StringIO.StringIO(x))
x = '475c32bf6f61c424dcea3482230091c644954b9ac0b324324155d5a55ffc45c447c6afe5cff109022e95495626afdc2527a7e869f9d5ea54c686ab507a849501'.decode('hex')
inbuf.append(StringIO.StringIO(x))
x = '5eb3fcabf808887e8abc9797b065342c7b03b0cecb95759727caad5d41ea696e8942d43446ea8e0835333269de06ee71f06663498d8bf47f56f528729fedf781'.decode('hex')
inbuf.append(StringIO.StringIO(x))
outbuf = StringIO.StringIO()
status = s4_decode(inbuf, outbuf) # Only 2 of 3 shares required for this demo
computed = outbuf.getvalue()
expected = "Too many secrets, Marty!"
# generated by code pyssslib ID 4c51de6e4b26a0332857f71d4c13048b700d32af
if computed == expected and status == True:
print "compatibility test PASS"
else:
print "compatibility test FAIL"
#!/usr/bin/env python
# Copyright 2014 Chris Kuethe
import StringIO
from pysssslib import s4_decode
inbuf = []
x = '4dd42fd883c62f3f7d4bb8d715663976500e2895f578e251591355c44b11ad1573a9d68faab458d0e9b5e4fccf6ef41fdd5aa00695ec9324deba9213b29ee6e8'.decode(
'hex')
inbuf.append(StringIO.StringIO(x))
x = '475c32bf6f61c424dcea3482230091c644954b9ac0b324324155d5a55ffc45c447c6afe5cff109022e95495626afdc2527a7e869f9d5ea54c686ab507a849501'.decode(
'hex')
inbuf.append(StringIO.StringIO(x))
x = '5eb3fcabf808887e8abc9797b065342c7b03b0cecb95759727caad5d41ea696e8942d43446ea8e0835333269de06ee71f06663498d8bf47f56f528729fedf781'.decode(
'hex')
inbuf.append(StringIO.StringIO(x))
outbuf = StringIO.StringIO()
status = s4_decode(inbuf, outbuf) # Only 2 of 3 shares required for this demo
computed = outbuf.getvalue()
expected = "Too many secrets, Marty!"
# generated by code pyssslib ID 4c51de6e4b26a0332857f71d4c13048b700d32af
if computed == expected and status == True:
print "compatibility test PASS"
else:
print "compatibility test FAIL"
