package rand Import Path crypto/rand (on golang.org and go.dev) Dependency Relation imports 15 packages, and imported by 5 packagesInvolved Source Files eagain.go Package rand implements a cryptographically secure random number generator. rand_batched.go rand_linux.go rand_unix.go util.goPackage-Level Functions (total 3)Int returns a uniform random value in [0, max). It panics if max <= 0.Prime returns a number, p, of the given size, such that p is prime with high probability. Prime will return error for any error returned by rand.Read or if bits < 2.Read is a helper function that calls Reader.Read using io.ReadFull. On return, n == len(b) if and only if err == nil.Package-Level Variables (only one)Reader is a global, shared instance of a cryptographically secure random number generator. On Linux and FreeBSD, Reader uses getrandom(2) if available, /dev/urandom otherwise. On OpenBSD, Reader uses getentropy(2). On other Unix-like systems, Reader reads from /dev/urandom. On Windows systems, Reader uses the RtlGenRandom API. On Wasm, Reader uses the Web Crypto API.
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