Comment by trenchpilgrim 4 months ago It is almost free on modern CPUs that have hardware acceleration, yea 5 comments trenchpilgrim Reply 15155 4 months ago Space-faring electronics aren't exactly cost-sensitive - the cost of a cluster of crypto-accelerated CPUs or rad-hardened FPGAs is peanuts compared to the human and launch costs that go into these satellites. blackoil 4 months ago Issue is the satellite was launched 10 years ago with 20-year-old tech. So, calculations of today may not be applicable on them. tgsovlerkhgsel 4 months ago Wireguard uses ChaCha20, which to my knowledge neither has nor requires HW acceleration to be fast. fragmede 4 months ago > However, the software performance [of wireguard] is far below the speed of wire.https://github.com/chili-chips-ba/wireguard-fpga lxgr 4 months ago It's faster on CPUs without dedicated hardware than AES, but that doesn't mean that it's faster than fixed-function AES hardware.
15155 4 months ago Space-faring electronics aren't exactly cost-sensitive - the cost of a cluster of crypto-accelerated CPUs or rad-hardened FPGAs is peanuts compared to the human and launch costs that go into these satellites. blackoil 4 months ago Issue is the satellite was launched 10 years ago with 20-year-old tech. So, calculations of today may not be applicable on them.
blackoil 4 months ago Issue is the satellite was launched 10 years ago with 20-year-old tech. So, calculations of today may not be applicable on them.
tgsovlerkhgsel 4 months ago Wireguard uses ChaCha20, which to my knowledge neither has nor requires HW acceleration to be fast. fragmede 4 months ago > However, the software performance [of wireguard] is far below the speed of wire.https://github.com/chili-chips-ba/wireguard-fpga lxgr 4 months ago It's faster on CPUs without dedicated hardware than AES, but that doesn't mean that it's faster than fixed-function AES hardware.
fragmede 4 months ago > However, the software performance [of wireguard] is far below the speed of wire.https://github.com/chili-chips-ba/wireguard-fpga
lxgr 4 months ago It's faster on CPUs without dedicated hardware than AES, but that doesn't mean that it's faster than fixed-function AES hardware.
Space-faring electronics aren't exactly cost-sensitive - the cost of a cluster of crypto-accelerated CPUs or rad-hardened FPGAs is peanuts compared to the human and launch costs that go into these satellites.
Issue is the satellite was launched 10 years ago with 20-year-old tech. So, calculations of today may not be applicable on them.
Wireguard uses ChaCha20, which to my knowledge neither has nor requires HW acceleration to be fast.
> However, the software performance [of wireguard] is far below the speed of wire.
https://github.com/chili-chips-ba/wireguard-fpga
It's faster on CPUs without dedicated hardware than AES, but that doesn't mean that it's faster than fixed-function AES hardware.