signer

type Context struct {
	SignatureType           string                        // required
	Creator                 string                        // required
	SignatureRepresentation proof.SignatureRepresentation // optional
	Created                 *time.Time                    // optional
	Domain                  string                        // optional
	Nonce                   []byte                        // optional
	VerificationMethod      string                        // optional
	Challenge               string                        // optional
	Purpose                 string                        // optional
	CapabilityChain         []interface{}                 // optional
}

type DocumentSigner struct {
	// contains filtered or unexported fields
}

type SignatureSuite interface {
	// GetCanonicalDocument will return normalized/canonical version of the document
	GetCanonicalDocument(doc map[string]interface{}, opts ...processor.Opts) ([]byte, error)

	// GetDigest returns document digest
	GetDigest(doc []byte) []byte

	// Accept registers this signature suite with the given signature type
	Accept(signatureType string) bool

	// Sign will sign document and return signature
	Sign(doc []byte) ([]byte, error)

	// Alg will return algorithm
	Alg() string

	// CompactProof indicates weather to compact the proof doc before canonization
	CompactProof() bool
}