signature/policy_config.go
func newPRSignedByKeyData(keyType sbKeyType, keyData []byte, signedIdentity PolicyReferenceMatch) (*prSignedBy, error) {
	return newPRSignedBy(keyType, "", keyData, signedIdentity)
}
func newPRSignedByKeyData(keyType sbKeyType, keyData []byte, signedIdentity PolicyReferenceMatch) (*prSignedBy, error) {
	return newPRSignedBy(keyType, "", keyData, signedIdentity)
}
func newPRSignedByKeyData ( keyType sbKeyType , keyData [ ] byte , signedIdentity PolicyReferenceMatch ) ( * prSignedBy , error ) { return newPRSignedBy ( keyType , " " , keyData , signedIdentity ) }
// newPRSignedByKeyData is NewPRSignedByKeyData, except it returns the private type.
newPRSignedByKeyData is NewPRSignedByKeyData except it returns the private type .