Erlang/OTP 20.1 is the first service release for the 20 major release. The service release contains mostly bug fixes and characteristics improvements but also some new features. Some highlights for 20.1 crypto, public_key: Extend crypto and public_key functions sign and verify with: support for RSASSA-PS padding for signatures and for saltlength setting X9.31 RSA padding. sha, sha224, sha256, sha3
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