Source Code
Commentary source code walkthrough coming soon.
#!/usr/bin/python #----------------------------------------------------------- # ___ __ __ _ _ _ # | _ \_ _ / _|/ _|/_\ __| |__| |___ _ _ _ __ _ _ # | _/ || | _| _/ _ \/ _` / _` / -_) '_|| '_ \ || | # |_| \_,_|_| |_|/_/ \_\__,_\__,_\___|_|(_) .__/\_, | # |_| |__/ # #----------------------------------------------------------- # File : PuffAdder.py # Author : Richard Lewis # Project : puffadder/ # Syntax : python # Date : Wed 28 Nov 2007 # Copyright : Richard Lewis 2007 # # Blowfish algorithm copyright Bruce Schneier #----------------------------------------------------------- # PuffAdder.py - python blowfish implementation #----------------------------------------------------------- """PuffAdder Blowfish implementation in Python. Copyright 2007 Richard Lewis Blowfish algorithm copyright Bruce Schneier""" #----------------------------------------------------------- ___file___ = "PuffAdder.py" ___author___ = "Richard Lewis" ___release___ = "1.0" ___revision___ = "0.3" #----------------------------------------------------------- import copy import md5 #----------------------------------------------------------- class PuffAdder(object): """Python BlowFish Encryption Implementation""" def __init__(self): """Initialize PuffAdder Instance""" self.__plain = "" self.__crypt = "" self.__key = "" self.__key64 = "" self.__salt = copy.copy(PuffAdder.salt) self.__pArray = [] self.__sBoxes = [] #------------------------------------------------------- def encrypt(self): """Encrypt Plain Text with 64 Bit Key""" text = self.getPlain() # ensure text length is divisible by 8 if len(text) % 8 != 0: text += "\0" * (8 - (len(text) % 8)) encrypted = "" for k in range(0, len(text), 8): plainChunk = "".join([hexstr(ord(c), 2) for c in text[k:k+8]]) encrypted += self.__blowfish(plainChunk, 1) self.setCrypt(encrypted) #------------------------------------------------------- def decrypt(self): """Decrypt Crypt Text with 64 Bit Key""" # assumes a divisble by 16 text = self.getCrypt() decrypted = "" for k in range(0, len(text), 16): decrypted += self.__blowfish(text[k:k+16], 0) decoded = "" for k in range(0, len(decrypted), 2): decoded += chr(int("".join([c for c in decrypted[k:k+2]]), 16)) self.setPlain(decoded) #------------------------------------------------------- def getPlain(self): """Get Plain Text""" return self.__plain def setPlain(self, text = ""): """Set Plain Text""" self.__plain = text plain = property(getPlain, setPlain) #------------------------------------------------------- def getCrypt(self): """Get Crypt Text""" return self.__crypt def setCrypt(self, text = ""): """Set Crypt Text""" self.__crypt = text crypt = property(getCrypt, setCrypt) #------------------------------------------------------- def getKey(self): """Get Key""" return self.__key def setKey(self, key = ""): """Set Key""" if key != self.getKey(): self.__key = key self.__generateKey64() self.__set() key = property(getKey, setKey) #------------------------------------------------------- def getSalt(self): """Get Salt""" return self.__salt def setSalt(self, salt = ""): """Set Salt""" if salt == "": salt = copy.copy(PuffAdder.salt) if salt != self.getSalt(): self.__salt = salt self.__generateKey64() self.__set() salt = property(getSalt, setSalt) #------------------------------------------------------- def getKey64(self): """Get 64 Bit Key""" return self.__key64 def setKey64(self, key64 = ""): """Set 64 Bit Key""" self.__key64 = key64 self.__set() key64 = property(getKey64, setKey64) #------------------------------------------------------- def getPArray(self): """Get pArray""" return self.__pArray #------------------------------------------------------- def getSBoxes(self): """Get sBoxes""" return self.__sBoxes #------------------------------------------------------- def __generateKey64(self): """Generate 64 Bit Key""" text = md5.new() text.update(self.getKey()) # salt for a little extra security text.update(self.getSalt()) self.key64 = text.hexdigest()[7:23] #------------------------------------------------------- def __set(self): """Set pArray and sBoxes""" self.__reset() key = [ int(self.getKey64()[:8], 16), int(self.getKey64()[8:], 16)] alt = 0 for i in range(len(self.__pArray)): self.__pArray[i] = self.__pArray[i] ^ key[alt] alt = 1 - alt x = "0" * 16 # pArray for i in range(0, len(self.__pArray), 2): x = self.__blowfish(x) self.__pArray[i] = int(x[:8], 16) self.__pArray[i+1] = int(x[8:], 16) # sBoxes for i in range(0,len(self.__sBoxes)): for k in range(0, len(self.__sBoxes[i]), 2): x = self.__blowfish(x) self.__sBoxes[i][k] = int(x[:8], 16) self.__sBoxes[i][k+1] = int(x[8:], 16) #------------------------------------------------------- def __reset(self): """Reset pArray and sBoxes""" self.__pArray = copy.deepcopy(PuffAdder.pArray) self.__sBoxes = copy.deepcopy(PuffAdder.sBoxes) #------------------------------------------------------- def __blowfish(self, x, way = 1): """BlowFish Alogrithm""" xL = int(x[:8], 16) xR = int(x[8:], 16) # Dc Ec v = { "start":[17, 0], "stop" :[1, 16], "step" :[-1, 1], "penu" :[1, 16], "last" :[0, 17] } for i in range(v["start"][way], v["stop"][way], v["step"][way]): xL = xL ^ self.__pArray[i] xR = self.__f(hexstr(xL, 8)) ^ xR (xL, xR) = (xR, xL) (xL, xR) = (xR, xL) xR = xR ^ self.__pArray[v["penu"][way]] xL = xL ^ self.__pArray[v["last"][way]] return hexstr(xL, 8) + hexstr(xR, 8) #------------------------------------------------------- def __f(self, x): """F function""" a = int(x[:2] , 16) b = int(x[2:4], 16) c = int(x[4:6], 16) d = int(x[6:] , 16) s1 = self.__sBoxes[0][a] s2 = self.__sBoxes[1][b] s3 = self.__sBoxes[2][c] s4 = self.__sBoxes[3][d] return ((((s1 + s2) % 2**32) ^ s3) + s4) % 2**32 #------------------------------------------------------- pArray = [ 0x243f6a88L, 0x85a308d3L, 0x13198a2eL, 0x03707344L, 0xa4093822L, 0x299f31d0L, 0x082efa98L, 0xec4e6c89L, 0x452821e6L, 0x38d01377L, 0xbe5466cfL, 0x34e90c6cL, 0xc0ac29b7L, 0xc97c50ddL, 0x3f84d5b5L, 0xb5470917L, 0x9216d5d9L, 0x8979fb1bL ] #------------------------------------------------------- sBoxes = [ [ 0xd1310ba6L, 0x98dfb5acL, 0x2ffd72dbL, 0xd01adfb7L, 0xb8e1afedL, 0x6a267e96L, 0xba7c9045L, 0xf12c7f99L, 0x24a19947L, 0xb3916cf7L, 0x0801f2e2L, 0x858efc16L, 0x636920d8L, 0x71574e69L, 0xa458fea3L, 0xf4933d7eL, 0x0d95748fL, 0x728eb658L, 0x718bcd58L, 0x82154aeeL, 0x7b54a41dL, 0xc25a59b5L, 0x9c30d539L, 0x2af26013L, 0xc5d1b023L, 0x286085f0L, 0xca417918L, 0xb8db38efL, 0x8e79dcb0L, 0x603a180eL, 0x6c9e0e8bL, 0xb01e8a3eL, 0xd71577c1L, 0xbd314b27L, 0x78af2fdaL, 0x55605c60L, 0xe65525f3L, 0xaa55ab94L, 0x57489862L, 0x63e81440L, 0x55ca396aL, 0x2aab10b6L, 0xb4cc5c34L, 0x1141e8ceL, 0xa15486afL, 0x7c72e993L, 0xb3ee1411L, 0x636fbc2aL, 0x2ba9c55dL, 0x741831f6L, 0xce5c3e16L, 0x9b87931eL, 0xafd6ba33L, 0x6c24cf5cL, 0x7a325381L, 0x28958677L, 0x3b8f4898L, 0x6b4bb9afL, 0xc4bfe81bL, 0x66282193L, 0x61d809ccL, 0xfb21a991L, 0x487cac60L, 0x5dec8032L, 0xef845d5dL, 0xe98575b1L, 0xdc262302L, 0xeb651b88L, 0x23893e81L, 0xd396acc5L, 0x0f6d6ff3L, 0x83f44239L, 0x2e0b4482L, 0xa4842004L, 0x69c8f04aL, 0x9e1f9b5eL, 0x21c66842L, 0xf6e96c9aL, 0x670c9c61L, 0xabd388f0L, 0x6a51a0d2L, 0xd8542f68L, 0x960fa728L, 0xab5133a3L, 0x6eef0b6cL, 0x137a3be4L, 0xba3bf050L, 0x7efb2a98L, 0xa1f1651dL, 0x39af0176L, 0x66ca593eL, 0x82430e88L, 0x8cee8619L, 0x456f9fb4L, 0x7d84a5c3L, 0x3b8b5ebeL, 0xe06f75d8L, 0x85c12073L, 0x401a449fL, 0x56c16aa6L, 0x4ed3aa62L, 0x363f7706L, 0x1bfedf72L, 0x429b023dL, 0x37d0d724L, 0xd00a1248L, 0xdb0fead3L, 0x49f1c09bL, 0x075372c9L, 0x80991b7bL, 0x25d479d8L, 0xf6e8def7L, 0xe3fe501aL, 0xb6794c3bL, 0x976ce0bdL, 0x04c006baL, 0xc1a94fb6L, 0x409f60c4L, 0x5e5c9ec2L, 0x196a2463L, 0x68fb6fafL, 0x3e6c53b5L, 0x1339b2ebL, 0x3b52ec6fL, 0x6dfc511fL, 0x9b30952cL, 0xcc814544L, 0xaf5ebd09L, 0xbee3d004L, 0xde334afdL, 0x660f2807L, 0x192e4bb3L, 0xc0cba857L, 0x45c8740fL, 0xd20b5f39L, 0xb9d3fbdbL, 0x5579c0bdL, 0x1a60320aL, 0xd6a100c6L, 0x402c7279L, 0x679f25feL, 0xfb1fa3ccL, 0x8ea5e9f8L, 0xdb3222f8L, 0x3c7516dfL, 0xfd616b15L, 0x2f501ec8L, 0xad0552abL, 0x323db5faL, 0xfd238760L, 0x53317b48L, 0x3e00df82L, 0x9e5c57bbL, 0xca6f8ca0L, 0x1a87562eL, 0xdf1769dbL, 0xd542a8f6L, 0x287effc3L, 0xac6732c6L, 0x8c4f5573L, 0x695b27b0L, 0xbbca58c8L, 0xe1ffa35dL, 0xb8f011a0L, 0x10fa3d98L, 0xfd2183b8L, 0x4afcb56cL, 0x2dd1d35bL, 0x9a53e479L, 0xb6f84565L, 0xd28e49bcL, 0x4bfb9790L, 0xe1ddf2daL, 0xa4cb7e33L, 0x62fb1341L, 0xcee4c6e8L, 0xef20cadaL, 0x36774c01L, 0xd07e9efeL, 0x2bf11fb4L, 0x95dbda4dL, 0xae909198L, 0xeaad8e71L, 0x6b93d5a0L, 0xd08ed1d0L, 0xafc725e0L, 0x8e3c5b2fL, 0x8e7594b7L, 0x8ff6e2fbL, 0xf2122b64L, 0x8888b812L, 0x900df01cL, 0x4fad5ea0L, 0x688fc31cL, 0xd1cff191L, 0xb3a8c1adL, 0x2f2f2218L, 0xbe0e1777L, 0xea752dfeL, 0x8b021fa1L, 0xe5a0cc0fL, 0xb56f74e8L, 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0x4d2d38e6L, 0xf0255dc1L, 0x4cdd2086L, 0x8470eb26L, 0x6382e9c6L, 0x021ecc5eL, 0x09686b3fL, 0x3ebaefc9L, 0x3c971814L, 0x6b6a70a1L, 0x687f3584L, 0x52a0e286L, 0xb79c5305L, 0xaa500737L, 0x3e07841cL, 0x7fdeae5cL, 0x8e7d44ecL, 0x5716f2b8L, 0xb03ada37L, 0xf0500c0dL, 0xf01c1f04L, 0x0200b3ffL, 0xae0cf51aL, 0x3cb574b2L, 0x25837a58L, 0xdc0921bdL, 0xd19113f9L, 0x7ca92ff6L, 0x94324773L, 0x22f54701L, 0x3ae5e581L, 0x37c2dadcL, 0xc8b57634L, 0x9af3dda7L, 0xa9446146L, 0x0fd0030eL, 0xecc8c73eL, 0xa4751e41L, 0xe238cd99L, 0x3bea0e2fL, 0x3280bba1L, 0x183eb331L, 0x4e548b38L, 0x4f6db908L, 0x6f420d03L, 0xf60a04bfL, 0x2cb81290L, 0x24977c79L, 0x5679b072L, 0xbcaf89afL, 0xde9a771fL, 0xd9930810L, 0xb38bae12L, 0xdccf3f2eL, 0x5512721fL, 0x2e6b7124L, 0x501adde6L, 0x9f84cd87L, 0x7a584718L, 0x7408da17L, 0xbc9f9abcL, 0xe94b7d8cL, 0xec7aec3aL, 0xdb851dfaL, 0x63094366L, 0xc464c3d2L, 0xef1c1847L, 0x3215d908L, 0xdd433b37L, 0x24c2ba16L, 0x12a14d43L, 0x2a65c451L, 0x50940002L, 0x133ae4ddL, 0x71dff89eL, 0x10314e55L, 0x81ac77d6L, 0x5f11199bL, 0x043556f1L, 0xd7a3c76bL, 0x3c11183bL, 0x5924a509L, 0xf28fe6edL, 0x97f1fbfaL, 0x9ebabf2cL, 0x1e153c6eL, 0x86e34570L, 0xeae96fb1L, 0x860e5e0aL, 0x5a3e2ab3L, 0x771fe71cL, 0x4e3d06faL, 0x2965dcb9L, 0x99e71d0fL, 0x803e89d6L, 0x5266c825L, 0x2e4cc978L, 0x9c10b36aL, 0xc6150ebaL, 0x94e2ea78L, 0xa5fc3c53L, 0x1e0a2df4L, 0xf2f74ea7L, 0x361d2b3dL, 0x1939260fL, 0x19c27960L, 0x5223a708L, 0xf71312b6L, 0xebadfe6eL, 0xeac31f66L, 0xe3bc4595L, 0xa67bc883L, 0xb17f37d1L, 0x018cff28L, 0xc332ddefL, 0xbe6c5aa5L, 0x65582185L, 0x68ab9802L, 0xeecea50fL, 0xdb2f953bL, 0x2aef7dadL, 0x5b6e2f84L, 0x1521b628L, 0x29076170L, 0xecdd4775L, 0x619f1510L, 0x13cca830L, 0xeb61bd96L, 0x0334fe1eL, 0xaa0363cfL, 0xb5735c90L, 0x4c70a239L, 0xd59e9e0bL, 0xcbaade14L, 0xeecc86bcL, 0x60622ca7L, 0x9cab5cabL, 0xb2f3846eL, 0x648b1eafL, 0x19bdf0caL, 0xa02369b9L, 0x655abb50L, 0x40685a32L, 0x3c2ab4b3L, 0x319ee9d5L, 0xc021b8f7L, 0x9b540b19L, 0x875fa099L, 0x95f7997eL, 0x623d7da8L, 0xf837889aL, 0x97e32d77L, 0x11ed935fL, 0x16681281L, 0x0e358829L, 0xc7e61fd6L, 0x96dedfa1L, 0x7858ba99L, 0x57f584a5L, 0x1b227263L, 0x9b83c3ffL, 0x1ac24696L, 0xcdb30aebL, 0x532e3054L, 0x8fd948e4L, 0x6dbc3128L, 0x58ebf2efL, 0x34c6ffeaL, 0xfe28ed61L, 0xee7c3c73L, 0x5d4a14d9L, 0xe864b7e3L, 0x42105d14L, 0x203e13e0L, 0x45eee2b6L, 0xa3aaabeaL, 0xdb6c4f15L, 0xfacb4fd0L, 0xc742f442L, 0xef6abbb5L, 0x654f3b1dL, 0x41cd2105L, 0xd81e799eL, 0x86854dc7L, 0xe44b476aL, 0x3d816250L, 0xcf62a1f2L, 0x5b8d2646L, 0xfc8883a0L, 0xc1c7b6a3L, 0x7f1524c3L, 0x69cb7492L, 0x47848a0bL, 0x5692b285L, 0x095bbf00L, 0xad19489dL, 0x1462b174L, 0x23820e00L, 0x58428d2aL, 0x0c55f5eaL, 0x1dadf43eL, 0x233f7061L, 0x3372f092L, 0x8d937e41L, 0xd65fecf1L, 0x6c223bdbL, 0x7cde3759L, 0xcbee7460L, 0x4085f2a7L, 0xce77326eL, 0xa6078084L, 0x19f8509eL, 0xe8efd855L, 0x61d99735L, 0xa969a7aaL, 0xc50c06c2L, 0x5a04abfcL, 0x800bcadcL, 0x9e447a2eL, 0xc3453484L, 0xfdd56705L, 0x0e1e9ec9L, 0xdb73dbd3L, 0x105588cdL, 0x675fda79L, 0xe3674340L, 0xc5c43465L, 0x713e38d8L, 0x3d28f89eL, 0xf16dff20L, 0x153e21e7L, 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0x1edad891L, 0xce6279cfL, 0xcd3e7e6fL, 0x1618b166L, 0xfd2c1d05L, 0x848fd2c5L, 0xf6fb2299L, 0xf523f357L, 0xa6327623L, 0x93a83531L, 0x56cccd02L, 0xacf08162L, 0x5a75ebb5L, 0x6e163697L, 0x88d273ccL, 0xde966292L, 0x81b949d0L, 0x4c50901bL, 0x71c65614L, 0xe6c6c7bdL, 0x327a140aL, 0x45e1d006L, 0xc3f27b9aL, 0xc9aa53fdL, 0x62a80f00L, 0xbb25bfe2L, 0x35bdd2f6L, 0x71126905L, 0xb2040222L, 0xb6cbcf7cL, 0xcd769c2bL, 0x53113ec0L, 0x1640e3d3L, 0x38abbd60L, 0x2547adf0L, 0xba38209cL, 0xf746ce76L, 0x77afa1c5L, 0x20756060L, 0x85cbfe4eL, 0x8ae88dd8L, 0x7aaaf9b0L, 0x4cf9aa7eL, 0x1948c25cL, 0x02fb8a8cL, 0x01c36ae4L, 0xd6ebe1f9L, 0x90d4f869L, 0xa65cdea0L, 0x3f09252dL, 0xc208e69fL, 0xb74e6132L, 0xce77e25bL, 0x578fdfe3L, 0x3ac372e6L ] ] #------------------------------------------------------- salt = """#!/usr/bin/python # Pi, pi, pi, ... (a, d, y, z) = (1, 1, 1, 1) b = (1 / (2**0.5)) c = 0.25 while True: y = a a = (a + b) / 2.0 b = (b * y)**0.5 c = c - (z * (a - y)**2) z = z * 2 print (a + b)**2 / (c * 4.0) """ #----------------------------------------------------------- class new (PuffAdder): """Allows PuffAdder.new() for modules importing""" pass #----------------------------------------------------------- def hexy(hext): """Hex text to ascii text""" text = "" for k in range(0, len(hext), 2): text += chr(int(hext[k:k+2], 16)) return text #----------------------------------------------------------- def hexstr(num, length=16): """Takes an integer and returns a hexstr of length""" hexs = str(hex(num))[2:] if hexs[-1:] == "L": hexs = hexs[:-1] hexs = "0" * (length - len(hexs)) + hexs return hexs #----------------------------------------------------------- def main(): """Test Module""" vectors = [ ['0000000000000000', '0000000000000000', '4EF997456198DD78'], ['FFFFFFFFFFFFFFFF', 'FFFFFFFFFFFFFFFF', '51866FD5B85ECB8A'], ['3000000000000000', '1000000000000001', '7D856F9A613063F2'], ['1111111111111111', '1111111111111111', '2466DD878B963C9D'], ['0123456789ABCDEF', '1111111111111111', '61F9C3802281B096'], ['1111111111111111', '0123456789ABCDEF', '7D0CC630AFDA1EC7'], ['0000000000000000', '0000000000000000', '4EF997456198DD78'], ['FEDCBA9876543210', '0123456789ABCDEF', '0ACEAB0FC6A0A28D'], ['7CA110454A1A6E57', '01A1D6D039776742', '59C68245EB05282B'], ['0131D9619DC1376E', '5CD54CA83DEF57DA', 'B1B8CC0B250F09A0'], ['07A1133E4A0B2686', '0248D43806F67172', '1730E5778BEA1DA4'], ['3849674C2602319E', '51454B582DDF440A', 'A25E7856CF2651EB'], ['04B915BA43FEB5B6', '42FD443059577FA2', '353882B109CE8F1A'], ['0113B970FD34F2CE', '059B5E0851CF143A', '48F4D0884C379918'], ['0170F175468FB5E6', '0756D8E0774761D2', '432193B78951FC98'], ['43297FAD38E373FE', '762514B829BF486A', '13F04154D69D1AE5'], ['07A7137045DA2A16', '3BDD119049372802', '2EEDDA93FFD39C79'], ['04689104C2FD3B2F', '26955F6835AF609A', 'D887E0393C2DA6E3'], ['37D06BB516CB7546', '164D5E404F275232', '5F99D04F5B163969'], ['1F08260D1AC2465E', '6B056E18759F5CCA', '4A057A3B24D3977B'], ['584023641ABA6176', '004BD6EF09176062', '452031C1E4FADA8E'], ['025816164629B007', '480D39006EE762F2', '7555AE39F59B87BD'], ['49793EBC79B3258F', '437540C8698F3CFA', '53C55F9CB49FC019'], ['4FB05E1515AB73A7', '072D43A077075292', '7A8E7BFA937E89A3'], ['49E95D6D4CA229BF', '02FE55778117F12A', 'CF9C5D7A4986ADB5'], ['018310DC409B26D6', '1D9D5C5018F728C2', 'D1ABB290658BC778'], ['1C587F1C13924FEF', '305532286D6F295A', '55CB3774D13EF201'], ['0101010101010101', '0123456789ABCDEF', 'FA34EC4847B268B2'], ['1F1F1F1F0E0E0E0E', '0123456789ABCDEF', 'A790795108EA3CAE'], ['E0FEE0FEF1FEF1FE', '0123456789ABCDEF', 'C39E072D9FAC631D'], ['0000000000000000', 'FFFFFFFFFFFFFFFF', '014933E0CDAFF6E4'], ['FFFFFFFFFFFFFFFF', '0000000000000000', 'F21E9A77B71C49BC'], ['0123456789ABCDEF', '0000000000000000', '245946885754369A'], ['FEDCBA9876543210', 'FFFFFFFFFFFFFFFF', '6B5C5A9C5D9E0A5A'] ] crypto = PuffAdder() for vector in vectors: crypto.key64 = vector[0] crypto.plain = hexy(vector[1]) print "Key64 :", crypto.key64 print "Vector :", vector[1] # print "Plain :", crypto.plain print "Expected :", vector[2] crypto.encrypt() print "Encrypted :", crypto.crypt if crypto.crypt == vector[2]: print "PASSED" else: print "FAILED" print "-" * 50 myCrypto = new() myCrypto.key = "theKeyTheKey" myCrypto.plain = """The quick brown fox jumped over the lazy dog. THE QUICK BROWN FOX JUMPED OVER THE LAZY DOG. !"$%^&*()_+-={}:@~<>?[];'#,./""" myCrypto.encrypt() print "Encrypted :", myCrypto.crypt myCrypto.plain = "" myCrypto.decrypt() print "Decrypted :", myCrypto.plain print print "# Example Usage" print "# -------------" print print "import PuffAdder" print "crypto = PuffAdder.new()" print "crypto.key = 'mypassword'" print "crypto.plain = 'Some plain text'" print "crypto.encrypt()" print "print 'Encrypted :', crypto.crypt" print "crypto.decrypt()" print "print 'Decrypted :', crypto.plain" print print "# Other Features" print "# --------------" print print "# set 64Bit key (no salting)" print "crypto.key64 = 'FFFFFFFFFFFFFFFF'" print print "# salt added to each key assign" print "crypto.salt = \"\"\"This salt is part of the foo organisation" print "and used to ensure a user supplied key is not too short.\"\"\"" print print "# access to internals" print "print 'pArray :', crypto.pArray" print "print 'sBoxes :', crypto.sBoxes" print #----------------------------------------------------------- if __name__ == "__main__": main() #-----------------------------------------------------------
