How stable are key derivation functions like HKDF?

[pauli at openssl.org]

There are never going to change in a way that breaks compatibility.


Pauli

On 3/5/2023 2:38 pm, TC wrote:
> Hi, I am planning to use HKDF in my project to derive keys to use as 
> data-encryption keys to encrypt persistent data.  Is this kind of 
> function version protected?  I fear that if any changes happen to 
> these functions they are going to break backward compatibility, is 
> that a concern?
>
> Thanks!