Some highlights:
crypto, ssl:
- The crypto API is extended to use private/public keys
stored in an Engine for sign/verify or encrypt/decrypt
operations.
- The ssl application provides an API to use this new
engine concept in TLS.
ssh:
- SSH can now fetch the host key from the private keys
stored in an Engine. See the crypto application for
details about Engines.
ssl:
- A new command line option -ssl_dist_optfile has been
added to facilitate specifying the many options needed
when using SSL as the distribution protocol.
stdlib:
- Improve performance of the new string functionality
when handling ASCII characters.
Full release notes:
http://www.erlang.org/download/otp_src_20.2.readme
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