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authorOndřej Surý <ondrej@sury.org>2011-09-13 13:13:40 +0200
committerOndřej Surý <ondrej@sury.org>2011-09-13 13:13:40 +0200
commit5ff4c17907d5b19510a62e08fd8d3b11e62b431d (patch)
treec0650497e988f47be9c6f2324fa692a52dea82e1 /src/pkg/crypto/rand/rand.go
parent80f18fc933cf3f3e829c5455a1023d69f7b86e52 (diff)
downloadgolang-upstream/60.tar.gz
Imported Upstream version 60upstream/60
Diffstat (limited to 'src/pkg/crypto/rand/rand.go')
-rw-r--r--src/pkg/crypto/rand/rand.go21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/pkg/crypto/rand/rand.go b/src/pkg/crypto/rand/rand.go
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+// 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"
+ "os"
+)
+
+// 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 os.Error) { return Reader.Read(b) }