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Python 2.1 str objects don't have a .decode() method.
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The patch contains the following changes:
- Private RSA keys can be imported/exported in encrypted form,
protected according to PKCS#8 and:
* PBKDF2WithHMAC-SHA1AndDES-EDE3-CBC.
* PBKDF2WithHMAC-SHA1AndAES128-CBC
* PBKDF2WithHMAC-SHA1AndAES192-CBC
* PBKDF2WithHMAC-SHA1AndAES256-CBC
In addition to that, it is possible to import keys i the
following weak formats:
* pbeWithMD5AndDES-CBC
* pbeWithSHA1AndRC2-CBC
* pbeWithMD5AndRC2-CBC
* pbeWithSHA1AndDES-CBC
- The following new module (and 1 new package) are added:
* Crypto.Util.Padding for simple padding/unpadding logic
* Crypto.IO._PBES for PBE-related PKCS#5 logic
* Crypto.IO.PEM for PEM wrapping/unwrapping
* Crypto.IO.PKCS8 for PKCS#8 wrapping/unwrapping
- All Object ID (OIDs) are now in dotted form to increase
readability.
- Add AES support to PEM format (decode only).
The PEM module can decrypt messages protected with AES-CBC.
- Update RSA import test cases.
- Updated to PKCS8 test cases
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The following changes are included:
- Decoding is a much simpler operation. The internal
logic is based on stream of binary data, and not
on string indexing anymore. Additionally,
decoding used to look like this:
bitmap = DerObject()
bitmap.decode(input_buffer, True)
if bitmap.isType('BIT STRING'):
... proceed with parsing ...
else:
... error ...
Whereas now, it is cleaner and more compact:
bitmap = DerBitString()
bitmap.decode(input_buffer)
Any error condition will lead to an exception.
- isType() method has been removed because of the above.
- Added examples and documentation
- Added support IMPLICIT tags
- Added support for negative INTEGERs
- Added DerSetOf ASN.1 class
- DerObjectID can be initialized from the dotted representation of
the Object ID.
- DerBitString has a new member 'value' to hold the binary
string. The member 'payload' should not be accessed anymore.
- DerObjectID has a new member 'value' to hold the dotted representation
of the Object ID string. The member 'payload' should not be accessed
anymore.
- Added operator += to DER SEQUENCE. Now it is possible to do:
my_str = DerOctetString(b'ZYZ')
seq = DerSequence()
seq += 0
seq += my_str.encode()
- Update to test cases
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o Add Ron Rivet DES test to test_DES.py
o Started on API documentation for 3.x
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o _fastmath now builds and runs on PY3K
o Changes to setup.py to allow /usr/include for gmp.h
o Changes to setup.py to allow linking fastmath w/ static mpir
on Windows without warning messages
o Changes to test_DSA/test_RSA to throw an exception if _fastmath
is present but cannot be imported (due to an issue building
_fastmath or the shared gmp/mpir libraries not being reachable)
o number.py has the code to flag a failing _fastmath, but that
code is commented out for a better runtime experience
o Clean up the if for py21compat import - should have been == not is
o Clean up some '== None' occurences, now 'is None' instead
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