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