本文整理匯總了Python中crypto.cipher.icedoll.Icedoll.decrypt方法的典型用法代碼示例。如果您正苦於以下問題：Python Icedoll.decrypt方法的具體用法？Python Icedoll.decrypt怎麽用？Python Icedoll.decrypt使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類crypto.cipher.icedoll.Icedoll的用法示例。
在下文中一共展示了Icedoll.decrypt方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: IcedollTestVec
# 需要導入模塊: from crypto.cipher.icedoll import Icedoll [as 別名]
# 或者: from crypto.cipher.icedoll.Icedoll import decrypt [as 別名]
def IcedollTestVec(i, key, pt, ct):
""" Run single AES test vector with any legal blockSize
and any legal key size. """
bkey, plainText, cipherText = a2b_hex(key), a2b_hex(pt), a2b_hex(ct)
kSize = len(bkey)
bSize = len(cipherText) # set block size to length of block
alg = Icedoll(bkey, keySize=kSize, blockSize=bSize, padding=noPadding())
cct = alg.encrypt(plainText)
print 'pt =',b2a_p(plainText)
print 'ct =',b2a_p(cct)
dcct = alg.decrypt(cct)
#print '_dcct',b2a_p(dcct)
self.assertEqual( dcct, plainText )
self.assertEqual( alg.encrypt(plainText), cipherText )
self.assertEqual( alg.decrypt(cipherText), plainText )示例2: testDctEqPt
# 需要導入模塊: from crypto.cipher.icedoll import Icedoll [as 別名]
# 或者: from crypto.cipher.icedoll.Icedoll import decrypt [as 別名]
def testDctEqPt(self):
""" test of plaintext = decrypt(encrypt(plaintext)) """
alg = Icedoll( 16*chr(0), padding=noPadding())
pt = 16*4*'a' # block aligned
ct = alg.encrypt(pt)
print 'ct = ',b2a_p(ct)
dct = alg.decrypt(ct)
print 'dct = ',b2a_p(dct)
assert(pt == dct), 'pt != dct'
alg = Icedoll( 16*chr(0)) # autoPad
pt = 17*4*'a' # non-block aligned
ct = alg.encrypt(pt)
print 'ct = ',b2a_p(ct)
dct = alg.decrypt(ct)
print 'dct = ',b2a_p(dct)
assert(pt == dct), 'pt != dct'示例3: testEncrcptDecryptMultiSizesPt
# 需要導入模塊: from crypto.cipher.icedoll import Icedoll [as 別名]
# 或者: from crypto.cipher.icedoll.Icedoll import decrypt [as 別名]
def testEncrcptDecryptMultiSizesPt(self):
""" Encrypt decrypt multiple sizes """
alg = Icedoll( 16*chr(0))
for size in range(100):
pt = size*'a'
ct = alg.encrypt(pt)
#print 'ct = ',b2a_p(ct)
dct = alg.decrypt(ct)
#print 'dct = ',b2a_p(dct)
assert(pt == dct), 'pt != dct'示例4: decrypt
# 需要導入模塊: from crypto.cipher.icedoll import Icedoll [as 別名]
# 或者: from crypto.cipher.icedoll.Icedoll import decrypt [as 別名]
def decrypt(self, cipherText, more=None):
""" Decrypt cipher text, Icedoll automatically removes
prepended random bits used as IV.
Note - typically IV is directly used as the first
cipher text. Here the IV is prepended to the plaintext
prior to encryption and removed on decryption.
"""
plainText = Icedoll.decrypt(self, cipherText, more=more)
if not(self.hasIV): # on first call to decrypt remove IV
plainText = plainText[self.ivSize:] # remove the IV
self.hasIV = 1
if more == None: # on last call to encrypt append integrity check
if not(self._verifyIC(plainText[-self.micSize:])) :
raise IntegrityCheckError, 'Trolldoll MIC Failure, bad key or modified data'
plainText = plainText[:-self.micSize] # trim off the integrity check
return plainText