• BigInteger: new BigInteger('-0') caused issues with GMP
• BigInteger: new BigInteger('00') caused issues with GMP
• BigInteger: GMP engine didn't always return 1 or -1
• ASN1: revamp how OIDs are handled (#1367)
• ASN1: correctly handle long tags
• SSH2: fix issue with reconnecting via ping() (#1353)
• SSH2: close channel when a timeout occurs (#1378)
• SFTP: improve handling of malformed packets (#1371)
• RSA: add support for OpenSSH private keys (#1372)
• RSA: use hash_equals if available