Yup, if you want to see the state of the art in this, here it is from libsodium: https://github.com/jedisct1/libsodium/blob/master/src/libsodium/randombytes/sy

Yup, if you want to see the state of the art in this, here it is from libsodium: https://github.com/jedisct1/libsodium/blob/master/src/libsodium/randombytes/sysrandom/randombytes_sysrandom.c#L335 https://github.com/jedisct1/libsodium/blob/master/src/libsod... They sum it up in their docs like this: - On Windows systems, the RtlGenRandom() function is used - On OpenBSD and Bitrig, the arc4random() function is used - On recent Linux kernels, the getrandom system call is used - On other Unices, the /dev/urandom device is used