コード例 #1
0
// Create a new DB Signature Entry
func NewDBSignatureEntry(identityAdminChainID interfaces.IHash, sig interfaces.IFullSignature) (*DBSignatureEntry, error) {
	e := new(DBSignatureEntry)
	e.IdentityAdminChainID = identityAdminChainID
	bytes, err := sig.MarshalBinary()
	if err != nil {
		return nil, err
	}
	prevDBSig := new(primitives.Signature)
	prevDBSig.SetPub(bytes[:32])
	err = prevDBSig.SetSignature(bytes[32:])
	if err != nil {
		return nil, err
	}
	e.PrevDBSig = *prevDBSig
	return e, nil
}
コード例 #2
0
func (m *DirectoryBlockSignature) MarshalBinary() (data []byte, err error) {

	var sig interfaces.IFullSignature
	resp, err := m.MarshalForSignature()
	if err == nil {
		sig = m.GetSignature()
	}

	if sig != nil {
		sigBytes, err := sig.MarshalBinary()
		if err != nil {
			return resp, nil
		}
		return append(resp, sigBytes...), nil
	}
	return resp, nil
}
コード例 #3
0
ファイル: authority.go プロジェクト: FactomProject/factomd
// Checks the signature of a message. Returns an int based on who signed it:
// 			1  -> Federated Signature
//			0  -> Audit Signature
//			-1 -> Neither Fed or Audit Signature
func (st *State) FastVerifyAuthoritySignature(msg []byte, sig interfaces.IFullSignature, dbheight uint32) (int, error) {
	feds := st.GetFedServers(dbheight)
	if feds == nil {
		return 0, fmt.Errorf("Federated Servers are unknown at directory block hieght %d", dbheight)
	}
	auds := st.GetAuditServers(dbheight)

	for _, fed := range feds {
		auth, _ := st.GetAuthority(fed.GetChainID())
		if auth == nil {
			continue
		}
		compareKey, err := auth.SigningKey.MarshalBinary()
		if err == nil {
			if pkEq(sig.GetKey(), compareKey) {
				valid, err := auth.VerifySignature(msg, sig.GetSignature())
				if err == nil && valid {
					return 1, nil
				}
			}
		}
	}

	for _, aud := range auds {
		auth, _ := st.GetAuthority(aud.GetChainID())
		if auth == nil {
			continue
		}
		compareKey, err := auth.SigningKey.MarshalBinary()
		if err == nil {
			if pkEq(sig.GetKey(), compareKey) {
				valid, err := auth.VerifySignature(msg, sig.GetSignature())
				if err == nil && valid {
					return 0, nil
				}
			}
		}
	}
	//fmt.Println("WARNING: A signature failed to validate.")

	return -1, fmt.Errorf("%s", "Signature Key Invalid or not Federated Server Key")
}