EVP_MAX_BLOCK_LENGTH Macro for upgrading application from openssl 1.0.2 to openssl 3.0

Paramashivaiah, Sunil Sunil.Paramashivaiah at rbbn.com
Wed Aug 11 07:16:52 UTC 2021

Hi All,
In our application we are using  MD5_CBLOCK, SHA_CBLOCK, SHA256_CBLOCK, SHA512_CBLOCK macros which are deprecated in openssl 3.0.
              We are trying upgrade our application from using openssl 1.0.2 to openssl 3.0.
             Can we use EVP_MAX_BLOCK_LENGTH to replace all these macros. Please suggest.

Thanks and Regards,

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