diff options
Diffstat (limited to 'src/lib/tlslite/utils/cipherfactory.py')
-rwxr-xr-x | src/lib/tlslite/utils/cipherfactory.py | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/src/lib/tlslite/utils/cipherfactory.py b/src/lib/tlslite/utils/cipherfactory.py deleted file mode 100755 index ccbb6b5ff..000000000 --- a/src/lib/tlslite/utils/cipherfactory.py +++ /dev/null @@ -1,111 +0,0 @@ -"""Factory functions for symmetric cryptography.""" - -import os - -import Python_AES -import Python_RC4 - -import cryptomath - -tripleDESPresent = False - -if cryptomath.m2cryptoLoaded: - import OpenSSL_AES - import OpenSSL_RC4 - import OpenSSL_TripleDES - tripleDESPresent = True - -if cryptomath.cryptlibpyLoaded: - import Cryptlib_AES - import Cryptlib_RC4 - import Cryptlib_TripleDES - tripleDESPresent = True - -if cryptomath.pycryptoLoaded: - import PyCrypto_AES - import PyCrypto_RC4 - import PyCrypto_TripleDES - tripleDESPresent = True - -# ************************************************************************** -# Factory Functions for AES -# ************************************************************************** - -def createAES(key, IV, implList=None): - """Create a new AES object. - - @type key: str - @param key: A 16, 24, or 32 byte string. - - @type IV: str - @param IV: A 16 byte string - - @rtype: L{tlslite.utils.AES} - @return: An AES object. - """ - if implList == None: - implList = ["cryptlib", "openssl", "pycrypto", "python"] - - for impl in implList: - if impl == "cryptlib" and cryptomath.cryptlibpyLoaded: - return Cryptlib_AES.new(key, 2, IV) - elif impl == "openssl" and cryptomath.m2cryptoLoaded: - return OpenSSL_AES.new(key, 2, IV) - elif impl == "pycrypto" and cryptomath.pycryptoLoaded: - return PyCrypto_AES.new(key, 2, IV) - elif impl == "python": - return Python_AES.new(key, 2, IV) - raise NotImplementedError() - -def createRC4(key, IV, implList=None): - """Create a new RC4 object. - - @type key: str - @param key: A 16 to 32 byte string. - - @type IV: object - @param IV: Ignored, whatever it is. - - @rtype: L{tlslite.utils.RC4} - @return: An RC4 object. - """ - if implList == None: - implList = ["cryptlib", "openssl", "pycrypto", "python"] - - if len(IV) != 0: - raise AssertionError() - for impl in implList: - if impl == "cryptlib" and cryptomath.cryptlibpyLoaded: - return Cryptlib_RC4.new(key) - elif impl == "openssl" and cryptomath.m2cryptoLoaded: - return OpenSSL_RC4.new(key) - elif impl == "pycrypto" and cryptomath.pycryptoLoaded: - return PyCrypto_RC4.new(key) - elif impl == "python": - return Python_RC4.new(key) - raise NotImplementedError() - -#Create a new TripleDES instance -def createTripleDES(key, IV, implList=None): - """Create a new 3DES object. - - @type key: str - @param key: A 24 byte string. - - @type IV: str - @param IV: An 8 byte string - - @rtype: L{tlslite.utils.TripleDES} - @return: A 3DES object. - """ - if implList == None: - implList = ["cryptlib", "openssl", "pycrypto"] - - for impl in implList: - if impl == "cryptlib" and cryptomath.cryptlibpyLoaded: - return Cryptlib_TripleDES.new(key, 2, IV) - elif impl == "openssl" and cryptomath.m2cryptoLoaded: - return OpenSSL_TripleDES.new(key, 2, IV) - elif impl == "pycrypto" and cryptomath.pycryptoLoaded: - return PyCrypto_TripleDES.new(key, 2, IV) - raise NotImplementedError()
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