diff options
Diffstat (limited to 'cryptfs/nonce.go')
| -rw-r--r-- | cryptfs/nonce.go | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/cryptfs/nonce.go b/cryptfs/nonce.go index f93f59c..3e464a3 100644 --- a/cryptfs/nonce.go +++ b/cryptfs/nonce.go @@ -16,8 +16,9 @@ type nonce96 struct { var gcmNonce nonce96 -func (n *nonce96) randBytes(len int) []byte { - b := make([]byte, len) +// Get "n" random bytes from /dev/urandom or panic +func RandBytes(n int) []byte { + b := make([]byte, n) _, err := rand.Read(b) if err != nil { panic("Could not get random bytes for nonce") @@ -26,9 +27,9 @@ func (n *nonce96) randBytes(len int) []byte { } func (n *nonce96) init() { - b := n.randBytes(8) + b := RandBytes(8) n.low64 = binary.BigEndian.Uint64(b) - b = n.randBytes(4) + b = RandBytes(4) n.high32 = binary.BigEndian.Uint32(b) n.ready = 1 return |