A cheap smartphone without radio,screen,large battery with a custom os and a usb connection would be an even cheaper phone. The only things a personal hsm would add might be nfc and hardware rng. I'm surprised yubikey hasn't gotten cheaper even with companies like google using it.
The cost is probably much cheaper, but there is no reason for them to lower prices when there isn't really major (popular) competition.
I think once Google releases their key for general sale, Yubi will be forced to drop prices to compete.
- FIPS compliant RNG and key generation
- Hardware based key protection
- Secure (encrypted) on chip key (ECC, AES, SHA HMAC) and data storage
- Guaranteed Unique 72-bit Serial Number
- Boot validation
But that's not what people on this thread are asking for; they want it to do all the crypto stuff they do normally, with all the keys secured in hardware.
I'm a little out of my depth on this stuff; I've done chipset work but my part of those projects always starts with the C code. Maybe you can accomplish what you want with a cheap crypto IC. I'm really just pushing back on the idea that because you can build a smartphone out of a cheap ARM core, you can also build an HSM out of one.
You can put AES keys in the slots and have the IC perform operations with them.
> and you don't necessarily care if the whole package is secure against DPA, that part is a cheap way to get that.
Go get the NDA datasheet.
> (HSM out of ARM core alone)
We agree here.
Does the data sheet talk about hardware side channel mitigation?
USBArmory is around ~$100,I'm essentially talking about a mass produced user friendly version that cuts 40-60% of the cost due to mass production and slightly less extravagant hardware.