pyca/cryptography — pull request #1384 by reaperhulk (2014-10-03 19:48:38+00:00)
Title: enable truncation for DSA digests prior to signing

This works around a bug in OpenSSL 1.0.0, 1.0.0a, and 1.0.0b where SHA-2
is a supported signature algorithm but FIPS 186-3 truncation is not
performed if the q value is smaller than the digest output length