当前位置: 首页>>代码示例>>Python>>正文


Python Random.new方法代码示例

本文整理汇总了Python中Crypto.Random.new方法的典型用法代码示例。如果您正苦于以下问题:Python Random.new方法的具体用法?Python Random.new怎么用?Python Random.new使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Crypto.Random的用法示例。


在下文中一共展示了Random.new方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: encrypt

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def encrypt(self, secret):
        """
            Encrypt a secret
        """

        # generate IV
        IV = CryptoRandom.new().read(AES.block_size)

        # Retrieve AES instance
        aes = self.get_aes(IV)

        # calculate needed padding
        padding = AES.block_size - len(secret) % AES.block_size

        # Python 2.x: secret += chr(padding) * padding
        secret += bytes([padding]) * padding

        # store the IV at the beginning and encrypt
        data = IV + aes.encrypt(secret)

        # Reset salted key
        self.set_salt()

        # Return base 64 encoded bytes
        return base64.b64encode(data) 
开发者ID:gabfl,项目名称:vault,代码行数:27,代码来源:Encryption.py

示例2: __init__

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def __init__(self, ciphermodule, mode=None, IV=None):
        """AllOrNothing(ciphermodule, mode=None, IV=None)

        ciphermodule is a module implementing the cipher algorithm to
        use.  It must provide the PEP272 interface.

        Note that the encryption key is randomly generated
        automatically when needed.  Optional arguments mode and IV are
        passed directly through to the ciphermodule.new() method; they
        are the feedback mode and initialization vector to use.  All
        three arguments must be the same for the object used to create
        the digest, and to undigest'ify the message blocks.
        """

        self.__ciphermodule = ciphermodule
        self.__mode = mode
        self.__IV = IV
        self.__key_size = ciphermodule.key_size
        if not isInt(self.__key_size) or self.__key_size==0:
            self.__key_size = 16 
开发者ID:mortcanty,项目名称:earthengine,代码行数:22,代码来源:AllOrNothing.py

示例3: testSign1

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def testSign1(self):
                for i in range(len(self._testData)):
                        # Build the key
                        comps = [ long(rws(self._testData[i][0][x]),16) for x in ('n','e','d') ]
                        key = MyKey(RSA.construct(comps))
                        # Hash function
                        h = self._testData[i][4].new()
                        # Data to sign
                        h.update(t2b(self._testData[i][1]))
                        # Salt
                        test_salt = t2b(self._testData[i][3])
                        key._randfunc = lambda N: test_salt
                        # The real test
                        signer = PKCS.new(key)
                        self.failUnless(signer.can_sign())
                        s = signer.sign(h)
                        self.assertEqual(s, t2b(self._testData[i][2])) 
开发者ID:mortcanty,项目名称:earthengine,代码行数:19,代码来源:test_pkcs1_pss.py

示例4: testVerify1

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def testVerify1(self):
               for i in range(len(self._testData)):
                        # Build the key
                        comps = [ long(rws(self._testData[i][0][x]),16) for x in ('n','e') ]
                        key = MyKey(RSA.construct(comps))
                        # Hash function
                        h = self._testData[i][4].new()
                        # Data to sign
                        h.update(t2b(self._testData[i][1]))
                        # Salt
                        test_salt = t2b(self._testData[i][3])
                        # The real test
                        key._randfunc = lambda N: test_salt
                        verifier = PKCS.new(key)
                        self.failIf(verifier.can_sign())
                        result = verifier.verify(h, t2b(self._testData[i][2]))
                        self.failUnless(result) 
开发者ID:mortcanty,项目名称:earthengine,代码行数:19,代码来源:test_pkcs1_pss.py

示例5: testSign1

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def testSign1(self):
                for i in range(len(self._testData)):
                        row = self._testData[i]
                        # Build the key
                        if isStr(row[0]):
                                key = RSA.importKey(row[0])
                        else:
                                comps = [ long(rws(row[0][x]),16) for x in ('n','e','d') ]
                                key = RSA.construct(comps)
                        h = row[3].new()
                        # Data to sign can either be in hex form or not
                        try:
                            h.update(t2b(row[1]))
                        except:
                            h.update(b(row[1]))
                        # The real test
                        signer = PKCS.new(key)
                        self.failUnless(signer.can_sign())
                        s = signer.sign(h)
                        self.assertEqual(s, t2b(row[2])) 
开发者ID:mortcanty,项目名称:earthengine,代码行数:22,代码来源:test_pkcs1_15.py

示例6: testVerify1

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def testVerify1(self):
                for i in range(len(self._testData)):
                        row = self._testData[i]
                        # Build the key
                        if isStr(row[0]):
                                key = RSA.importKey(row[0]).publickey()
                        else:
                                comps = [ long(rws(row[0][x]),16) for x in ('n','e') ]
                                key = RSA.construct(comps)
                        h = row[3].new()
                        # Data to sign can either be in hex form or not
                        try:
                            h.update(t2b(row[1]))
                        except:
                            h.update(b(row[1]))
                        # The real test
                        verifier = PKCS.new(key)
                        self.failIf(verifier.can_sign())
                        result = verifier.verify(h, t2b(row[2]))
                        self.failUnless(result) 
开发者ID:mortcanty,项目名称:earthengine,代码行数:22,代码来源:test_pkcs1_15.py

示例7: testEncryptDecrypt1

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def testEncryptDecrypt1(self):
                # Helper function to monitor what's requested from RNG
                global asked
                def localRng(N):
                    global asked
                    asked += N
                    return self.rng(N)
                # Verify that OAEP is friendly to all hashes
                for hashmod in (MD2,MD5,SHA1,SHA256,RIPEMD):
                    # Verify that encrypt() asks for as many random bytes
                    # as the hash output size
                    asked = 0
                    pt = self.rng(40)
                    self.key1024._randfunc = localRng
                    cipher = PKCS.new(self.key1024, hashmod)
                    ct = cipher.encrypt(pt)
                    self.assertEqual(cipher.decrypt(ct), pt)
                    self.failUnless(asked > hashmod.digest_size) 
开发者ID:mortcanty,项目名称:earthengine,代码行数:20,代码来源:test_pkcs1_oaep.py

示例8: testEncrypt1

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def testEncrypt1(self):
                for test in self._testData:
                        # Build the key
                        key = RSA.importKey(test[0])
                        # RNG that takes its random numbers from a pool given
                        # at initialization
                        class randGen:
                            def __init__(self, data):
                                self.data = data
                                self.idx = 0
                            def __call__(self, N):
                                r = self.data[self.idx:N]
                                self.idx += N
                                return r
                        # The real test
                        key._randfunc = randGen(t2b(test[3]))
                        cipher = PKCS.new(key)
                        ct = cipher.encrypt(b(test[1]))
                        self.assertEqual(ct, t2b(test[2])) 
开发者ID:mortcanty,项目名称:earthengine,代码行数:21,代码来源:test_pkcs1_15.py

示例9: decrypt

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def decrypt(key, filename):
	chunksize = 64 * 1024
	outputFile = filename.split('.hacklab')[0]


	with open(filename, 'rb') as infile:
		filesize = int(infile.read(16))
		IV = infile.read(16)
		decryptor = AES.new(key, AES.MODE_CBC, IV)

		with open(outputFile, 'wb') as outfile:

			while True:
				chunk = infile.read(chunksize)

				if len(chunk) == 0:
					break

				chunk = str(decryptor.decrypt(chunk))
				chunk = chunk.replace("0000hack1lab0000", "")
				outfile.write(chunk)
			outfile.truncate(filesize) 
开发者ID:bing0o,项目名称:Python-Scripts,代码行数:24,代码来源:crypto.py

示例10: encrypt_credential

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def encrypt_credential(raw):
    """
    Encodes data

    :param data: Data to be encoded
    :type data: str
    :returns:  string -- Encoded data
    """
    # pylint: disable=invalid-name,import-error
    import base64
    try:  # The crypto package depends on the library installed (see Wiki)
        from Crypto import Random
        from Crypto.Cipher import AES
        from Crypto.Util import Padding
    except ImportError:
        from Cryptodome import Random
        from Cryptodome.Cipher import AES
        from Cryptodome.Util import Padding
    raw = bytes(Padding.pad(data_to_pad=raw.encode('utf-8'), block_size=__BLOCK_SIZE__))
    iv = Random.new().read(AES.block_size)
    cipher = AES.new(get_crypt_key(), AES.MODE_CBC, iv)
    return base64.b64encode(iv + cipher.encrypt(raw)).decode('utf-8') 
开发者ID:CastagnaIT,项目名称:plugin.video.netflix,代码行数:24,代码来源:credentials.py

示例11: decrypt_credential

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def decrypt_credential(enc, secret=None):
    """
    Decodes data

    :param data: Data to be decoded
    :type data: str
    :returns:  string -- Decoded data
    """
    # pylint: disable=invalid-name,import-error
    import base64
    try:  # The crypto package depends on the library installed (see Wiki)
        from Crypto.Cipher import AES
        from Crypto.Util import Padding
    except ImportError:
        from Cryptodome.Cipher import AES
        from Cryptodome.Util import Padding
    enc = base64.b64decode(enc)
    iv = enc[:AES.block_size]
    cipher = AES.new(secret or get_crypt_key(), AES.MODE_CBC, iv)
    decoded = Padding.unpad(
        padded_data=cipher.decrypt(enc[AES.block_size:]),
        block_size=__BLOCK_SIZE__)
    return decoded 
开发者ID:CastagnaIT,项目名称:plugin.video.netflix,代码行数:25,代码来源:credentials.py

示例12: decrypt

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def decrypt(in_file, out_file, password, key_length=32):
    bs = AES.block_size
    salt = in_file.read(bs)[len('Salted__'):]
    key, iv = derive_key_and_iv(password, salt, key_length, bs)
    cipher = AES.new(key, AES.MODE_CBC, iv)
    next_chunk = ''
    finished = False
    while not finished:
        chunk, next_chunk = next_chunk, cipher.decrypt(in_file.read(1024 * bs))
        if len(next_chunk) == 0:
            padding_length = ord(chunk[-1])
            chunk = chunk[:-padding_length]
            finished = True
        out_file.write(chunk)


# A stupid way to calculate size of encrypted file and sha1
# B2 requires a header with the sha1 but urllib2 must have the header before streaming
# the data. This means we must read the file once to calculate the sha1, then read it again
# for streaming the data on upload. 
开发者ID:mtingers,项目名称:backblaze-b2,代码行数:22,代码来源:backblazeb2.py

示例13: calc_encryption_sha_and_length

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def calc_encryption_sha_and_length(in_file, password, salt, key_length, key,
                                   iv):
    bs = AES.block_size
    size = 0
    cipher = AES.new(key, AES.MODE_CBC, iv)
    sha = hashlib.sha1()
    sha.update('Salted__' + salt)
    size += len('Salted__' + salt)
    finished = False
    while not finished:
        chunk = in_file.read(1024 * bs)
        if len(chunk) == 0 or len(chunk) % bs != 0:
            padding_length = (bs - len(chunk) % bs) or bs
            chunk += padding_length * chr(padding_length)
            finished = True
        chunk = cipher.encrypt(chunk)
        sha.update(chunk)
        size += len(chunk)
    return sha.hexdigest(), size 
开发者ID:mtingers,项目名称:backblaze-b2,代码行数:21,代码来源:backblazeb2.py

示例14: decrypt_private_key

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def decrypt_private_key(encrypted_private_key: bytes, password: str) -> str:
        '''
        Decrypt private key with the password.

        Args:
            encrypted_private_key (bytes): encrypted private key
            password (str): password to decrypt private key with

        Returns:
            str: decrypted private key
        '''
        encrypted_private_key = base64.b64decode(encrypted_private_key)
        iv = encrypted_private_key[:AES.block_size]
        cipher = AES.new(sha256(bytes(password.encode('utf-8'))).digest(), AES.MODE_CFB, iv)
        private_key = cipher.decrypt(encrypted_private_key[AES.block_size:])
        return str(private_key, 'ascii') 
开发者ID:Lamden,项目名称:clove,代码行数:18,代码来源:wallet.py

示例15: test_get_aes

# 需要导入模块: from Crypto import Random [as 别名]
# 或者: from Crypto.Random import new [as 别名]
def test_get_aes(self):
        IV = CryptoRandom.new().read(AES.block_size)
        self.assertIsInstance(self.enc2.get_aes(IV), Cipher._mode_cbc.CbcMode) 
开发者ID:gabfl,项目名称:vault,代码行数:5,代码来源:test_Encryption.py


注:本文中的Crypto.Random.new方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。