Source file src/pkg/crypto/rand/rand.go

     1	// Copyright 2010 The Go Authors.  All rights reserved.
     2	// Use of this source code is governed by a BSD-style
     3	// license that can be found in the LICENSE file.
     4	
     5	// Package rand implements a cryptographically secure
     6	// pseudorandom number generator.
     7	package rand
     8	
     9	import "io"
    10	
    11	// Reader is a global, shared instance of a cryptographically
    12	// strong pseudo-random generator.
    13	// On Unix-like systems, Reader reads from /dev/urandom.
    14	// On Windows systems, Reader uses the CryptGenRandom API.
    15	var Reader io.Reader
    16	
    17	// Read is a helper function that calls Reader.Read.
    18	func Read(b []byte) (n int, err error) { return Reader.Read(b) }