My understanding is that modern crypto is fast enough without hardware acceleration, so it's not strictly needed. There are hardware accelerations for AES, SHA algorithms which are slow without acceleration.
- https://patchwork.kernel.org/project/linux-crypto/cover/2018...
- https://patchwork.kernel.org/project/linux-crypto/patch/2018...
- https://patchwork.kernel.org/project/linux-crypto/patch/2019...