/opt/alt/python27/lib64/python2.7/site-packages/Crypto/Cipher
NameSizeModeActions
AES.py42180644editdlrm
AES.pyc35670644editdlrm
AES.pyo35670644editdlrm
ARC2.py49170644editdlrm
ARC2.pyc42650644editdlrm
ARC2.pyo42650644editdlrm
ARC4.py42660644editdlrm
ARC4.pyc40590644editdlrm
ARC4.pyo40590644editdlrm
blockalgo.py125960644editdlrm
blockalgo.pyc63070644editdlrm
blockalgo.pyo63070644editdlrm
Blowfish.py44600644editdlrm
Blowfish.pyc38100644editdlrm
Blowfish.pyo38100644editdlrm
CAST.py44980644editdlrm
CAST.pyc38470644editdlrm
CAST.pyo38470644editdlrm
DES.py44030644editdlrm
DES.pyc37380644editdlrm
DES.pyo37380644editdlrm
DES3.py51300644editdlrm
DES3.pyc44810644editdlrm
DES3.pyo44810644editdlrm
PKCS1_OAEP.py93730644editdlrm
PKCS1_OAEP.pyc86490644editdlrm
PKCS1_OAEP.pyo86490644editdlrm
PKCS1_v1_5.py91030644editdlrm
PKCS1_v1_5.pyc92800644editdlrm
PKCS1_v1_5.pyo92800644editdlrm
XOR.py27370644editdlrm
XOR.pyc25310644editdlrm
XOR.pyo25310644editdlrm
_AES.so631280755editdlrm
_ARC2.so449770755editdlrm
_ARC4.so280800755editdlrm
_Blowfish.so559630755editdlrm
_CAST.so571030755editdlrm
_DES.so889340755editdlrm
_DES3.so890560755editdlrm
_XOR.so284280755editdlrm
__init__.py34400644editdlrm
__init__.pyc26470644editdlrm
__init__.pyo26470644editdlrm
Edit: /opt/alt/python27/lib64/python2.7/site-packages/Crypto/Cipher/DES.pyc (3738B)
Ñò Bd\Rc@sˆdZdZddklZddklZdeifd„ƒYZd„ZdZd Z d Z d Z d Z d Z dZdZdZdS(sçDES symmetric cipher DES `(Data Encryption Standard)`__ is a symmetric block cipher standardized by NIST_ . It has a fixed data block size of 8 bytes. Its keys are 64 bits long, even though 8 bits were used for integrity (now they are ignored) and do not contribute to securty. DES is cryptographically secure, but its key length is too short by nowadays standards and it could be brute forced with some effort. DES should not be used for new designs. Use `AES`. As an example, encryption can be done as follows: >>> from Crypto.Cipher import DES3 >>> from Crypto import Random >>> >>> key = b'Sixteen byte key' >>> iv = Random.new().read(DES3.block_size) >>> cipher = DES3.new(key, DES3.MODE_OFB, iv) >>> plaintext = b'sona si latine loqueris ' >>> msg = iv + cipher.encrypt(plaintext) .. __: http://en.wikipedia.org/wiki/Data_Encryption_Standard .. _NIST: http://csrc.nist.gov/publications/fips/fips46-3/fips46-3.pdf :undocumented: __revision__, __package__ s$Id$i˙˙˙˙(t blockalgo(t_DESt DESCiphercBseZdZd„ZRS(sDES cipher objectcOs tii|t|||ŽdS(sUInitialize a DES cipher object See also `new()` at the module level.N(Rt BlockAlgot__init__R(tselftkeytargstkwargs((sD/opt/alt/python27/lib64/python2.7/site-packages/Crypto/Cipher/DES.pyR;s(t__name__t __module__t__doc__R(((sD/opt/alt/python27/lib64/python2.7/site-packages/Crypto/Cipher/DES.pyR8scOst|||ŽS(smCreate a new DES cipher :Parameters: key : byte string The secret key to use in the symmetric cipher. It must be 8 byte long. The parity bits will be ignored. :Keywords: mode : a *MODE_** constant The chaining mode to use for encryption or decryption. Default is `MODE_ECB`. IV : byte string The initialization vector to use for encryption or decryption. It is ignored for `MODE_ECB` and `MODE_CTR`. For `MODE_OPENPGP`, IV must be `block_size` bytes long for encryption and `block_size` +2 bytes for decryption (in the latter case, it is actually the *encrypted* IV which was prefixed to the ciphertext). It is mandatory. For all other modes, it must be `block_size` bytes longs. It is optional and when not present it will be given a default value of all zeroes. counter : callable (*Only* `MODE_CTR`). A stateful function that returns the next *counter block*, which is a byte string of `block_size` bytes. For better performance, use `Crypto.Util.Counter`. segment_size : integer (*Only* `MODE_CFB`).The number of bits the plaintext and ciphertext are segmented in. It must be a multiple of 8. If 0 or not specified, it will be assumed to be 8. :Return: an `DESCipher` object (R(RRR((sD/opt/alt/python27/lib64/python2.7/site-packages/Crypto/Cipher/DES.pytnewAs"iiiiiiiiN(R t __revision__t Crypto.CipherRRRRR tMODE_ECBtMODE_CBCtMODE_CFBtMODE_PGPtMODE_OFBtMODE_CTRt MODE_OPENPGPt block_sizetkey_size(((sD/opt/alt/python27/lib64/python2.7/site-packages/Crypto/Cipher/DES.pyt1s %