• Vladislav Vaintroub's avatar
    MDEV-25785 Add support for OpenSSL 3.0 · d42c2efb
    Vladislav Vaintroub authored
    Summary of changes
    
    - MD_CTX_SIZE is increased
    
    - EVP_CIPHER_CTX_buf_noconst(ctx) does not work anymore, points
      to nobody knows where. The assumption made previously was that
      (since the function does not seem to be documented)
      was that it points to the last partial source block.
      Add own partial block buffer for NOPAD encryption instead
    
    - SECLEVEL in CipherString in openssl.cnf
      had been downgraded to 0, from 1, to make TLSv1.0 and TLSv1.1 possible
       (according to https://github.com/openssl/openssl/blob/openssl-3.0.0/NEWS.md
       even though the manual for SSL_CTX_get_security_level claims that it
       should not be necessary)
    
    - Workaround Ssl_cipher_list issue, it now returns TLSv1.3 ciphers,
      in addition to what was set in --ssl-cipher
    
    - ctx_buf buffer now must be aligned to 16 bytes with openssl(
      previously with WolfSSL only), ot crashes will happen
    
    - updated aes-t , to be better debuggable
      using function, rather than a huge multiline macro
      added test that does "nopad" encryption piece-wise, to test
      replacement of EVP_CIPHER_CTX_buf_noconst
    d42c2efb
ssl_compat.h 3 KB