diff options
Diffstat (limited to 'type.go')
| -rw-r--r-- | type.go | 33 |
1 files changed, 33 insertions, 0 deletions
@@ -21,6 +21,7 @@ const ( StFormatConsistencyProofV1 StFormat = 3 StFormatInclusionProofV1 StFormat = 4 StFormatChecksumV1 = 5 + StFormatCosignedTreeHeadV1 = 6 ) // StItem references a versioned item based on a given format specifier @@ -31,6 +32,7 @@ type StItem struct { ConsistencyProofV1 *ConsistencyProofV1 `tls:"selector:Format,val:3"` InclusionProofV1 *InclusionProofV1 `tls:"selector:Format,val:4"` ChecksumV1 *ChecksumV1 `tls:"selector:Format,val:5"` + CosignedTreeHeadV1 *CosignedTreeHeadV1 `tls:"selector:Format,val:6"` } // SignedTreeHeadV1 is a signed tree head as defined by RFC 6962/bis, §4.10 @@ -79,6 +81,18 @@ type TreeHeadV1 struct { Extension []byte `tls:"minlen:0,maxlen:65535"` } +// CosignedTreeheadV1 is a cosigned STH +type CosignedTreeHeadV1 struct { + SignedTreeHeadV1 SignedTreeHeadV1 + SignatureV1 []SignatureV1 `tls:"minlen:0,maxlen:4294967295"` +} + +// SignatureV1 is a detached signature that was produced by a namespace +type SignatureV1 struct { + Namespace namespace.Namespace + Signature []byte `tls:"minlen:1,maxlen:65535"` +} + // NodeHash is a Merkle tree hash as defined by RFC 6962/bis, §4.9 type NodeHash struct { Data []byte `tls:"minlen:32,maxlen:255"` @@ -103,6 +117,8 @@ func (f StFormat) String() string { return "inclusion_proof_v1" case StFormatChecksumV1: return "checksum_v1" + case StFormatCosignedTreeHeadV1: + return "cosigned_tree_head_v1" default: return fmt.Sprintf("Unknown StFormat: %d", f) } @@ -120,6 +136,8 @@ func (i StItem) String() string { return fmt.Sprintf("Format(%s): %s", i.Format, i.SignedDebugInfoV1) case StFormatSignedTreeHeadV1: return fmt.Sprintf("Format(%s): %s", i.Format, i.SignedTreeHeadV1) + case StFormatCosignedTreeHeadV1: + return fmt.Sprintf("Format(%s): %s", i.Format, i.CosignedTreeHeadV1) default: return fmt.Sprintf("unknown StItem: %s", i.Format) } @@ -149,6 +167,10 @@ func (th TreeHeadV1) String() string { return fmt.Sprintf("Timestamp(%s) TreeSize(%d) RootHash(%s)", time.Unix(int64(th.Timestamp/1000), 0), th.TreeSize, b64(th.RootHash.Data)) } +func (i CosignedTreeHeadV1) String() string { + return fmt.Sprintf("SignedTreeHead(%s) #Cosignatures(%d)", i.SignedTreeHeadV1.String(), len(i.SignatureV1)) +} + // Marshal serializes an Stitem as defined by RFC 5246 func (i *StItem) Marshal() ([]byte, error) { serialized, err := tls.Marshal(*i) @@ -264,6 +286,17 @@ func NewTreeHeadV1(lr *types.LogRootV1) *TreeHeadV1 { } } +// NewCosignedTreeHeadV1 creates a new StItem of type cosigned_tree_head_v1 +func NewCosignedTreeHeadV1(sth *SignedTreeHeadV1, sigs []SignatureV1) *StItem { + return &StItem{ + Format: StFormatCosignedTreeHeadV1, + CosignedTreeHeadV1: &CosignedTreeHeadV1{ + SignedTreeHeadV1: *sth, + SignatureV1: sigs, + }, + } +} + func b64(b []byte) string { return base64.StdEncoding.EncodeToString(b) } |