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* Make DER reader into a context manager (#4957)Alex Gaynor2019-07-282-37/+43
| | | | | | | | * Make DER reader into a context manager * Added another test case * flake8
* Remove asn1crypto dependency (#4941)David Benjamin2019-07-283-26/+298
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Remove non-test dependencies on asn1crypto. cryptography.io actually contains two OpenSSL bindings right now, the expected cffi one, and an optional one hidden in asn1crypto. asn1crypto contains a lot of things that cryptography.io doesn't use, including a BER parser and a hand-rolled and not constant-time EC implementation. Instead, check in a much small DER-only parser in cryptography/hazmat. A quick benchmark suggests this parser is also faster than asn1crypto: from __future__ import absolute_import, division, print_function import timeit print(timeit.timeit( "decode_dss_signature(sig)", setup=r""" from cryptography.hazmat.primitives.asymmetric.utils import decode_dss_signature sig=b"\x30\x2d\x02\x15\x00\xb5\xaf\x30\x78\x67\xfb\x8b\x54\x39\x00\x13\xcc\x67\x02\x0d\xdf\x1f\x2c\x0b\x81\x02\x14\x62\x0d\x3b\x22\xab\x50\x31\x44\x0c\x3e\x35\xea\xb6\xf4\x81\x29\x8f\x9e\x9f\x08" """, number=10000)) Python 2.7: asn1crypto: 0.25 _der.py: 0.098 Python 3.5: asn1crypto: 0.17 _der.py: 0.10 * Remove test dependencies on asn1crypto. The remaining use of asn1crypto was some sanity-checking of Certificates. Add a minimal X.509 parser to extract the relevant fields. * Add a read_single_element helper function. The outermost read is a little tedious. * Address flake8 warnings * Fix test for long-form vs short-form lengths. Testing a zero length trips both this check and the non-minimal long form check. Use a one-byte length to cover the missing branch. * Remove support for negative integers. These never come up in valid signatures. Note, however, this does change public API. * Update src/cryptography/hazmat/primitives/asymmetric/utils.py Co-Authored-By: Alex Gaynor <alex.gaynor@gmail.com> * Review comments * Avoid hardcoding the serialization of NULL in decode_asn1.py too.
* some test improvements (#4954)Paul Kehrer2019-07-271-1/+25
| | | | detect md5 and don't generate short RSA keys these changes will help if we actually try to run FIPS enabled
* add class methods for poly1305 sign verify operations (#4932)Jeff Yang2019-07-081-0/+27
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* Fix some backend feature checks in tests (#4931)David Benjamin2019-07-088-20/+10
| | | | | | | | | | | | | | | * Remove irrelevant DHBackend test conditions DHBackend provides functions for plain finite-field Diffie-Hellman. X25519 and X448 are their own algorithms, and Ed25519 and Ed448 aren't even Diffie-Hellman primitives. * Add missing backend support checks. Some new AES and EC tests did not check for whether the corresponding mode or curve was supported by the backend. * Add a DummyMode for coverage
* Write a test for an uncovered line (#4940)Alex Gaynor2019-07-061-0/+24
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* ed25519 support in x509 certificate builder (#4937)Paul Kehrer2019-07-061-3/+122
| | | | | | | | | | * ed25519 support in x509 certificate builder This adds minimal ed25519 support. More to come. * Apply suggestions from code review Co-Authored-By: Alex Gaynor <alex.gaynor@gmail.com>
* we don't have these mac builders any more (#4892)Paul Kehrer2019-05-251-7/+1
| | | | | | | | | | * we don't have these mac builders any more let's see if we get coverage from azure like we should! * remove a branch we can't cover in tests * remove unused import
* Small style cleanup (#4891)Alex Gaynor2019-05-191-1/+1
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* add name for ExtensionOID.PRECERT_POISON (#4853)redshiftzero2019-05-191-1/+8
| | | | | | | | * test: ensure all public members of ExtensionOID have names defined * add name for ExtensionOID.PRECERT_POISON ref: https://github.com/google/certificate-transparency/blob/5fce65cb60cfe7808afc98de23c7dd5ddbfa1509/python/ct/crypto/asn1/oid.py#L338
* fix aia encoding memory leak (#4889)Paul Kehrer2019-05-181-0/+60
| | | | | | * fix aia encoding memory leak * don't return anything from the prealloc func
* use a random key for these tests (#4887)Paul Kehrer2019-05-181-1/+1
| | | | | | Using an all 0 key causes failures in OpenSSL master (and Fedora has cherry-picked the commit that causes it). The change requires that the key/tweak for XTS mode not be the same value, so let's just use a random key.
* fix from_issuer_subject_key_identifier to take the right type (#4864)Paul Kehrer2019-05-041-2/+9
| | | | | | | | | | * fix from_issuer_subject_key_identifier to take the right type deprecate passing the old Extension wrapper object * don't use a try:except: * hilarious contortions to satisfy doc8
* 4810 bugfix: avoid UnicodeEncodeError on python 2 (#4846)redshiftzero2019-04-161-4/+19
| | | | | | | | * test: regression test for UnicodeEncodeError in x509 name in #4810 added utf8 encoding at the top of the file due to PEP 263 * bugfix: #4810 resolve UnicodeEncodeError in x509 name
* Fixes #4830 -- handle negative serial numbers (#4843)Alex Gaynor2019-04-131-0/+8
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* fix a memory leak in AIA parsing (#4836)Paul Kehrer2019-04-111-1/+20
| | | | | | * fix a memory leak in AIA parsing * oops can't remove that
* fix != comparison in py2 (fixes #4821) (#4822)Mathias Ertl2019-03-251-4/+10
| | | | | | | | * fix != comparison in py2 (fixes #4821) * remove blank line b/c pep8 * move __ne__ next to __eq__ as per review request
* implement eq__, __hash__ and __repr__ for OCSPNoCheck and PrecertPoison (#4819)Mathias Ertl2019-03-251-0/+44
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* add new branch for unsupported openssh serialization (#4813)Paul Kehrer2019-03-181-1/+10
| | | | | we don't support ed448 openssh keys so we'll use that to test this branch. if we ever do support ed448 keys we can always just call this private method directly to keep coverage.
* add OpenSSH serialization for ed25519 keys (#4808) (#4811)bernhl2019-03-171-0/+11
| | | | | | * add OpenSSH serialization for ed25519 keys (#4808) * address review comments
* poly1305 support (#4802)Paul Kehrer2019-03-091-0/+125
| | | | | | | | | | | | | | | | | | | | * poly1305 support * some more tests * have I mentioned how bad the spellchecker is? * doc improvements * EVP_PKEY_new_raw_private_key copies the key but that's not documented Let's assume that might change and be very defensive * review feedback * add a test that fails on a tag of the correct length but wrong value * docs improvements
* support ed25519 openssh public keys (#4785)Paul Kehrer2019-02-271-1/+37
| | | | | | * support ed25519 openssh public keys * don't need this check
* ed448 support (#4610)Paul Kehrer2019-02-272-0/+306
| | | | | | | | * ed448 support * move the changelog entry * flake8
* ed25519 support (#4114)Paul Kehrer2019-02-263-0/+338
| | | | | | * ed25519 support * review feedback
* reduce our engine bindings even more (#4768)Paul Kehrer2019-02-251-0/+19
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* support NO_ENGINE (#4763)Paul Kehrer2019-02-251-0/+3
| | | | | | | | * support OPENSSL_NO_ENGINE * support some new openssl config args * sigh
* why did we have these variables (#4764)Paul Kehrer2019-02-241-7/+7
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* add an EC OID to curve dictionary mapping (#4759)Paul Kehrer2019-02-201-1/+7
| | | | | | | | | | * add an EC OID to curve dictionary mapping * oid_to_curve function * changelog and docs fix * rename to get_curve_for_oid
* encode the package version in the shared object (#4756)Paul Kehrer2019-02-201-1/+5
| | | | | | | | | | * encode the package version in the shared object * review feedback * move into build_ffi so the symbol is in all shared objects * review feedback
* Simplify string formatting (#4757)Alex Gaynor2019-02-208-15/+15
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* Fixes for the latest pep8-naming (#4744)Alex Gaynor2019-02-0212-60/+60
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* Run wycheproof RSA tests on LibreSSL>=2.8 (#4737)Alex Gaynor2019-01-241-6/+6
| | | | | | | | * Run wycheproof RSA tests on LibreSSL>=2.8 * Define it this way * These are errors on libressl
* Fixes #4734 -- Deal with deprecated things (#4736)Alex Gaynor2019-01-233-39/+7
| | | | | | | | | | * Fixes #4734 -- Deal with deprecated things - Make year based aliases of PersistentlyDeprecated so we can easily assess age - Removed encode/decode rfc6979 signature - Removed Certificate.serial * Unused import
* allow asn1 times of 1950-01-01 and later. (#4728)Paul Kehrer2019-01-223-8/+37
| | | | | | | | * allow asn1 times of 1950-01-01 and later. * add a test * pretty up the test
* allow 32-bit platforms to encode certs with dates > unix epoch (#4727)Paul Kehrer2019-01-211-8/+13
| | | | | | | | | | | | | | | | | Previously we used unix timestamps, but now we are switching to using ASN1_TIME_set_string and automatically formatting the string based on the year. The rule is as follows: Per RFC 5280 (section 4.1.2.5.), the valid input time strings should be encoded with the following rules: 1. UTC: YYMMDDHHMMSSZ, if YY < 50 (20YY) --> UTC: YYMMDDHHMMSSZ 2. UTC: YYMMDDHHMMSSZ, if YY >= 50 (19YY) --> UTC: YYMMDDHHMMSSZ 3. G'd: YYYYMMDDHHMMSSZ, if YYYY >= 2050 --> G'd: YYYYMMDDHHMMSSZ 4. G'd: YYYYMMDDHHMMSSZ, if YYYY < 2050 --> UTC: YYMMDDHHMMSSZ Notably, Dates < 1950 are not valid UTCTime. At the moment we still reject dates < Jan 1, 1970 in all cases but a followup PR can fix that.
* deprecate encode_point and migrate all internal callers (#4720)Paul Kehrer2019-01-201-1/+2
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* add support for encoding compressed points (#4638)Paul Kehrer2019-01-204-22/+107
| | | | | | * add support for encoding compressed points * review feedback
* shake128/256 support (#4611)Paul Kehrer2019-01-193-3/+97
| | | | | | | | | | | | | | * shake128/256 support * remove block_size * doc an exception * change how we detect XOF by adding _xof attribute * interface! * review feedback
* support byteslike in KBKDFHMAC (#4711)Paul Kehrer2019-01-171-0/+8
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* support byteslike in ConcatKDF{HMAC,Hash}, Scrypt, and X963KDF (#4709)Paul Kehrer2019-01-173-0/+59
| | | | | | | | * byteslike concatkdf * byteslike scrypt * byteslike x963kdf
* support byteslike for OTP (#4710)Paul Kehrer2019-01-172-0/+11
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* normalize KBKDF tests (#4708)Paul Kehrer2019-01-171-38/+37
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* Support byteslike in HKDF and PBKDF2HMAC (#4707)Paul Kehrer2019-01-172-0/+33
| | | | | | | | * support byteslike in HKDF * support byteslike in PBKDF2HMAC * add missing docs
* support bytes-like for X25519PrivateKey.from_private_bytes (#4698)Paul Kehrer2019-01-171-0/+9
| | | yuck.
* x448 and x25519 should enforce key lengths in backend (#4703)Paul Kehrer2019-01-172-1/+21
| | | | | | | | | | | * x448 and x25519 should enforce key lengths in from_private_bytes they should also check if the algorithm is supported like the public bytes class methods do * oops * move the checks
* support byteslike in hmac update (#4705)Paul Kehrer2019-01-171-1/+1
| | | needed for some KDF keying material
* support byteslike in hash updates (#4702)Paul Kehrer2019-01-161-0/+12
| | | This is needed to handle keying material in some of the KDFs
* support bytes-like keys in CMAC and HMAC contexts (#4701)Paul Kehrer2019-01-162-0/+23
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* add support for byteslike password/data to load_{pem,der}_private_key (#4693)Paul Kehrer2019-01-161-0/+49
| | | | | | * add support for byteslike password/data to load_{pem,der}_private_key * pypy 5.4 can't do memoryview from_buffer
* turn off hypothesis deadlines, enforced by default in 4.0 (#4696)Paul Kehrer2019-01-162-2/+2
| | | | we don't care about exceeding a deadline in CI because our infra has wild variability and this can just randomly happen.
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