diff options
Diffstat (limited to 'src/pkg/crypto/rand/rand_windows.go')
| -rw-r--r-- | src/pkg/crypto/rand/rand_windows.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/pkg/crypto/rand/rand_windows.go b/src/pkg/crypto/rand/rand_windows.go index 2b2bd4bba6..82b39b64a3 100644 --- a/src/pkg/crypto/rand/rand_windows.go +++ b/src/pkg/crypto/rand/rand_windows.go @@ -35,6 +35,10 @@ func (r *rngReader) Read(b []byte) (n int, err error) { } } r.mu.Unlock() + + if len(b) == 0 { + return 0, nil + } err = syscall.CryptGenRandom(r.prov, uint32(len(b)), &b[0]) if err != nil { return 0, os.NewSyscallError("CryptGenRandom", err) |