← Back to context Comment by ggm 5 days ago Could this be used as "shake your mac for highly random seed" bits? 7 comments ggm Reply 1e1a 5 days ago There's lots of noise in the accelerometer readings, even without shaking mlajtos 5 days ago Shake your Mac to undo would be consistent with iPhone, iPad, Vision Pro. Yes, you shake your head to undo when wearing AVP. RupertSalt 5 days ago This is a milder version of “Shake to Reboot” which is standard for all Etch-a-Sketch models c22 5 days ago Probably not as random as you want it to be. sysguest 5 days ago well wouldn't it add up?someWhatRandom1 xor someWhatRandom2 xor notRandom3 xor ...should be more 'random' than just 'someWhatRandom1' LoganDark 5 days ago XOR is the worst hashing function imaginable, especially if the data isn't truly random, because it can cancel out to become even less random!It's better to use a KDF or something. Even a block cipher should work far better than XOR. throawayonthe 5 days ago i'm not sure it would necessarily be more random if you're mixing in a lower-entropy source which the accelerometer probably is
mlajtos 5 days ago Shake your Mac to undo would be consistent with iPhone, iPad, Vision Pro. Yes, you shake your head to undo when wearing AVP. RupertSalt 5 days ago This is a milder version of “Shake to Reboot” which is standard for all Etch-a-Sketch models
RupertSalt 5 days ago This is a milder version of “Shake to Reboot” which is standard for all Etch-a-Sketch models
c22 5 days ago Probably not as random as you want it to be. sysguest 5 days ago well wouldn't it add up?someWhatRandom1 xor someWhatRandom2 xor notRandom3 xor ...should be more 'random' than just 'someWhatRandom1' LoganDark 5 days ago XOR is the worst hashing function imaginable, especially if the data isn't truly random, because it can cancel out to become even less random!It's better to use a KDF or something. Even a block cipher should work far better than XOR. throawayonthe 5 days ago i'm not sure it would necessarily be more random if you're mixing in a lower-entropy source which the accelerometer probably is
sysguest 5 days ago well wouldn't it add up?someWhatRandom1 xor someWhatRandom2 xor notRandom3 xor ...should be more 'random' than just 'someWhatRandom1' LoganDark 5 days ago XOR is the worst hashing function imaginable, especially if the data isn't truly random, because it can cancel out to become even less random!It's better to use a KDF or something. Even a block cipher should work far better than XOR. throawayonthe 5 days ago i'm not sure it would necessarily be more random if you're mixing in a lower-entropy source which the accelerometer probably is
LoganDark 5 days ago XOR is the worst hashing function imaginable, especially if the data isn't truly random, because it can cancel out to become even less random!It's better to use a KDF or something. Even a block cipher should work far better than XOR.
throawayonthe 5 days ago i'm not sure it would necessarily be more random if you're mixing in a lower-entropy source which the accelerometer probably is
There's lots of noise in the accelerometer readings, even without shaking
Shake your Mac to undo would be consistent with iPhone, iPad, Vision Pro. Yes, you shake your head to undo when wearing AVP.
This is a milder version of “Shake to Reboot” which is standard for all Etch-a-Sketch models
Probably not as random as you want it to be.
well wouldn't it add up?
someWhatRandom1 xor someWhatRandom2 xor notRandom3 xor ...
should be more 'random' than just 'someWhatRandom1'
XOR is the worst hashing function imaginable, especially if the data isn't truly random, because it can cancel out to become even less random!
It's better to use a KDF or something. Even a block cipher should work far better than XOR.
i'm not sure it would necessarily be more random if you're mixing in a lower-entropy source which the accelerometer probably is