def testRSA(rsaKey, numRuns):
errors = 0
for i in range(numRuns):
m = random.randrange(0,255)
mq = BaseFour(m)
mqi = mq.getIntVal()
c = rsaKey.encryptBaseTen(mqi)
mpi = rsaKey.decryptBaseTen(c)
mp = quaternary.intValToBaseFour(mpi)
mf = quaternary.toDecimal(mp)
#print 'Run ' + str(i)
#print 'm: ' + str(m)
#print 'mqi: ' + str(mqi)
#print 'c: ' + str(c)
#print 'mpi: ' + str(mpi)
#print 'mf: ' + str(mf)
if m != mf or mqi != mpi:
print 'ERROR: m=' + str(m) + ', mf=' + str(mf)
print 'ERROR: mqi=' + str(mqi) + ', mpi=' + str(mpi)
#i = raw_input("")
errors = errors + 1
#print ''
print "Test completed " + str(numRuns) + " runs with " + str(errors) + " errors"
if errors > 0:
print "RSA Key Values:"
e,d,n = rsaKey.getKeys()
print 'public key: ' + str(e)
print 'private key: ' + str(d)
print 'mod: ' + str(n)
print ''
raw_input("Press enter to continue...")
def decrypt(fname,rsaKey,enableWrite,enableMessages):
if(enableMessages):
print("Decrypting " + fname + "..."),
f = open(fname, "r")
fContents = f.read().split(".")
fPix = fContents[1].split(",")
fDimensions = fContents[0].split(",")
imgwidth = int(fDimensions[0])
imgheight = int(fDimensions[1])
im = Image.new("RGB", (imgwidth, imgheight))
pix = im.load()
error = False
tenpercent = imgwidth / 10
for x in range(imgwidth):
if(enableMessages):
printPercentage(x, tenpercent)
row = fPix[(x*imgheight)-imgheight:x*imgheight]
for y in range(len(row)):
rgb = row[y].split('/')
#print "(" + str(x) + "," + str(y) + ")="+rgb[0]+","+rgb[1]+","+rgb[2]
#for i in rgb:
# if i == '':
# i = '0'
r_i = rsaKey.decryptBaseTen(int("0x" + rgb[0],16))
g_i = rsaKey.decryptBaseTen(int("0x" + rgb[1],16))
b_i = rsaKey.decryptBaseTen(int("0x" + rgb[2],16))
r_f = quaternary.intValToBaseFour(r_i)
g_f = quaternary.intValToBaseFour(g_i)
b_f = quaternary.intValToBaseFour(b_i)
r = quaternary.toDecimal(r_f)
g = quaternary.toDecimal(g_f)
b = quaternary.toDecimal(b_f)
if r > 255 or g > 255 or b > 255:
print ''
print ''
print "****************ERROR*****************"
print "Decrypted RGB values greater than 255 "
print "RSA key is probably incorrect. "
print "**************************************"
print ''
return None
rgb_n = (r,g,b)
pix[x,y] = rgb_n
fNameComp = fname.split(".")
outfname = fNameComp[0]
exten = fNameComp[1]
im.show()
if(enableWrite):
im.save(outfname + "_OUTPUT." + exten)
return outfname + "_OUTPUT." + exten
