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Bump ecdsa from 0.13 to 0.13.3 #15

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@dependabot dependabot bot commented on behalf of github Jul 21, 2020

Bumps ecdsa from 0.13 to 0.13.3.

Release notes

Sourced from ecdsa's releases.

ecdsa 0.13.3

Fix CVE-2019-14853 - possible DoS caused by malformed signature decoding Fix CVE-2019-14859 - signature malleability caused by insufficient checks of DER encoding

Also harden key decoding from string and DER encodings.

ecdsa 0.13.2

Restore compatibility of setup.py with Python 2.6 and 2.7.

ecdsa 0.13.1

Fix the PyPI wheel - the old version included .pyc files.

Changelog

Sourced from ecdsa's changelog.

  • Release 0.15 (02 Jan 2020)

Bug fixes: from curves import * will now correctly import BRAINPOOLP256r1 and BRAINPOOLP320r1 curves.

New features: ECDH operations have a public explicit API. Large hashes are now supported with small curves (e.g. SHA-256 can be used with NIST192p). VerifyingKey now supports the precompute() method to further speed up signature verification with the given instance of the key.

New API: VerifyingKey, SigningKey, Public_key, Private_key and CurveFp now have __eq__ methods. ecdsa.ecdh module and ECDH class. PointJacobi added. VerifyingKey.verify_digest, SigningKey.sign_digest and SigningKey.sign_digest_deterministic methods now accept allow_truncate argument to enable use of hashes larger than the curve order. VerifyingKey from_pem and from_der now accept hashfunc parameter like other from* methods. VerifyingKey has precompute method now. VerifyingKey.from_public_point may now not perform validation of public point when validate_point=False argument is passed to method. CurveFp constructor now accepts the h parameter - the cofactor of the elliptic curve, it's used for selection of algorithm of public point verification.

Performance: randrange now will now perform much fewer calls to system random number generator. PointJacobi introduced and used as the underlying implementation; speeds up the library by a factor of about 20. Library has now optional dependencies on gmpy and gmpy2. When they are availbale, the elliptic curve calculations will be about 3 times faster.

Maintenance: expected minimum version of six module (1.9.0) is now specified explicitly in setup.py and tested against. Significantly faster test suite execution.

  • Release 0.14.1 (06 Nov 2019)

Remove the obsolete six.py file from wheel

  • Release 0.14 (06 Nov 2019)

Bug fixes:

Commits
  • 7add221 update NEWS file for 0.13.3
  • 5c4c74a Merge pull request #124 from tomato42/backport-sig-decode
  • 1eb2c04 update README with error handling of from_string() and from_der()
  • b95be03 execute also new tests in Travis
  • 99c907d harden also key decoding
  • 3427fa2 ensure that the encoding is actually the minimal one for length and integer
  • 563d2ee make variable names in remove_integer more aproppriate
  • 14abfe0 explicitly specify the distro to get py26 and py33
  • 9080d1d fix length decoding
  • 897178c give the same handling to string encoded signatures as to DER
  • Additional commits viewable in compare view

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@dependabot dependabot bot added the dependencies Pull requests that update a dependency file label Jul 21, 2020
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