[vardump]

> Nearly every SoC you can buy today has hardware accelerators in it, from STM32s up to Xeons. You have to be looking at really tiny, generally pretty old micros before you literally don't have any.

Well... the SoC in Raspberry Pi 4 doesn't have one. Although it does have enough CPU (and in theory GPU) oomph to still do crypto at reasonable rates, AES-128 at 85 MB/s per CPU core.

[debatem1]

The RPi 4 SoC does have crypto accelerators, specifically for HDCP. It does not have the ARMv8 crypto extensions.

[vardump]

Does it have any HW crypto accelerator that could be utilized from ARM side software? I couldn't find anything.

[debatem1]

Not that I know of, but they're so cagey on details for those parts I wouldn't be surprised if it did and they just hadn't documented it. Certainly lots of quasi-similar boards like the espressobin have them (which I like better for the topaz switch anyway).