CHANGES.txt

v1.6.0, 2016-12-21
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- allow other SHA digests (other than SHA_256)

v1.5.7, 2015-08-31
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- Rewrite ECC key encoding (issue #39)

v1.5.6, 2015-02-28
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- replace EVP_DigestInit and EVP_DigestFinal by *_ex (issue #32)
- SHA256 for sign/verify operations (issue #32)
- fix arithmetic.py (issue #30)

v1.5.5, 2014-10-09
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- Change licence to BSD (issue #24)
- Rewrite test.py with unittest (issue #27)
- Add constant time equality comparison (issue #23)
- add arithmetic.py (pull request #21)
- add some functions in openssl.py (pull request #22)
- raise exception if RAND_bytes failed (pull request #22)

v1.5.4, 2014-08-25
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- Add CHANGES.txt according to pip conventions (issue #19)
- PEP8 (issue #20)
- Relative imports (issue #18)