Backport signature decode #124
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Jakuje
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There are some nits along the lines, but considering it is backport of something already in master, we should not bother that much with the messy history of the commits.
Only thing that might make sense could be mentioning the master commits IDs in the cherry-picked so it is obvious that it is backport.
the users of VerifyingKey.verify() and VerifyingKey.verify_digest() should not need to use multiple exceptions to correctly catch invalid signatures backport of 487f6d3
Verify that strings of unexpected lengths are rejected with the same BadSignatureError exception backport of 8533e51
the same issues as with decoding integers happen with the NIST521p curve as it's large enough that the length encoding of some fields needs to use multi-byte encoding backport of a655d6f
…nteger backport of 2c3db7c
as assert statements will be removed in optimised build, do use a custom exception that inherits from AssertionError so that the failures are caught this is reworking of d47a238 to implement the same checks but without implementing support for SEC1/X9.62 formatted keys
not a backport, necessary to make the tests runnable on 0.13 branch
proposed for master in tlsfuzzer#132
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Backport the recent fixes to signature decoding.
See #114
also harden the public and private key decoding (partial backport of #118)