diff options
Diffstat (limited to 'types/trunnel.go')
-rw-r--r-- | types/trunnel.go | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/types/trunnel.go b/types/trunnel.go deleted file mode 100644 index 268f6f7..0000000 --- a/types/trunnel.go +++ /dev/null @@ -1,60 +0,0 @@ -package types - -import ( - "encoding/binary" - "fmt" -) - -const ( - // MessageSize is the number of bytes in a Trunnel-encoded leaf message - MessageSize = 8 + HashSize - // LeafSize is the number of bytes in a Trunnel-encoded leaf - LeafSize = MessageSize + SignatureSize + HashSize -) - -// Marshal returns a Trunnel-encoded message -func (m *Message) Marshal() []byte { - buf := make([]byte, MessageSize) - binary.BigEndian.PutUint64(buf, m.ShardHint) - copy(buf[8:], m.Checksum[:]) - return buf -} - -// Marshal returns a Trunnel-encoded leaf -func (l *Leaf) Marshal() []byte { - buf := l.Message.Marshal() - buf = append(buf, l.SigIdent.Signature[:]...) - buf = append(buf, l.SigIdent.KeyHash[:]...) - return buf -} - -// Marshal returns a Trunnel-encoded tree head -func (th *TreeHead) Marshal() []byte { - buf := make([]byte, 8+8+HashSize) - binary.BigEndian.PutUint64(buf[0:8], th.Timestamp) - binary.BigEndian.PutUint64(buf[8:16], th.TreeSize) - copy(buf[16:], th.RootHash[:]) - return buf -} - -// Unmarshal parses the Trunnel-encoded buffer as a leaf -func (l *Leaf) Unmarshal(buf []byte) error { - if len(buf) != LeafSize { - return fmt.Errorf("invalid leaf size: %v", len(buf)) - } - // Shard hint - l.ShardHint = binary.BigEndian.Uint64(buf) - offset := 8 - // Checksum - l.Checksum = &[HashSize]byte{} - copy(l.Checksum[:], buf[offset:offset+HashSize]) - offset += HashSize - // Signature - l.Signature = &[SignatureSize]byte{} - copy(l.Signature[:], buf[offset:offset+SignatureSize]) - offset += SignatureSize - // KeyHash - l.KeyHash = &[HashSize]byte{} - copy(l.KeyHash[:], buf[offset:]) - return nil -} |