Major changes between OpenSSL 1.1.1 and OpenSSL 3.0.0 [under development]
+ o enable-crypto-mdebug and enable-crypto-mdebug-backtrace were mostly
+ disabled; the project uses address sanitize/leak-detect instead.
+ o Added OSSL_SERIALIZER, a generic serializer API.
+ o Added error raising macros, ERR_raise() and ERR_raise_data().
+ o Deprecated ERR_put_error().
+ o Added OSSL_PROVIDER_available(), to check provider availibility.
+ o Added 'openssl mac' that uses the EVP_MAC API.
+ o Added 'openssl kdf' that uses the EVP_KDF API.
o Add OPENSSL_info() and 'openssl info' to get built-in data.
o Add support for enabling instrumentation through trace and debug
output.
o Added EVP_MAC, an EVP layer MAC API, and a generic EVP_PKEY to EVP_MAC
bridge.
o Removed the heartbeat message in DTLS feature.
+ o Added EVP_KDF, an EVP layer KDF API, and a generic EVP_PKEY to EVP_KDF
+ bridge.
Major changes between OpenSSL 1.1.1 and OpenSSL 1.1.1a [20 Nov 2018]
Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]:
- o Give EVP_MAX_MD_SIZE it's old value, except for a FIPS build.
+ o Give EVP_MAX_MD_SIZE its old value, except for a FIPS build.
Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]: