← Back to context Comment by trenchpilgrim 1 day ago It is almost free on modern CPUs that have hardware acceleration, yea 5 comments trenchpilgrim Reply 15155 1 day 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 19 hours 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 1 day ago Wireguard uses ChaCha20, which to my knowledge neither has nor requires HW acceleration to be fast. lxgr 15 hours 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 15 hours ago > However, the software performance [of wireguard] is far below the speed of wire.https://github.com/chili-chips-ba/wireguard-fpga
15155 1 day 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 19 hours 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 19 hours 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 1 day ago Wireguard uses ChaCha20, which to my knowledge neither has nor requires HW acceleration to be fast. lxgr 15 hours 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 15 hours ago > However, the software performance [of wireguard] is far below the speed of wire.https://github.com/chili-chips-ba/wireguard-fpga
lxgr 15 hours 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 15 hours ago > However, the software performance [of wireguard] is far below the speed of wire.https://github.com/chili-chips-ba/wireguard-fpga
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.
It's faster on CPUs without dedicated hardware than AES, but that doesn't mean that it's faster than fixed-function AES hardware.
> However, the software performance [of wireguard] is far below the speed of wire.
https://github.com/chili-chips-ba/wireguard-fpga