On 11/08/2021 08:16, Paramashivaiah, Sunil wrote:
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.
No, these things are not equivalent. EVP_MAX_BLOCK_LENGTH is referring
to the block size for ciphers. Why do you need the block size for the
digests?
You can query the block size for a given digest at runtime using
EVP_MD_get_block_size().
Matt
Thanks and Regards,
Sunil
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