msp

type Identity interface {
	ExpiresAt() time.Time
	GetIdentifier() *IdentityIdentifier
	GetMSPIdentifier() string

	Validate() error
	//匿名
	Anonymous() bool

	//使用作为引用的identify来给消息进行签名
	Verify(msg []byte, sig []byte) error

	//将签名转化为字符串
	Serialize() ([]byte, error)
}

type IdentityIdentifier struct {

	// The identifier of the associated membership service provider
	Mspid string

	// The identifier for an identity within a provider
	Id string
}

type ProviderType int

type SigningIdentity interface {

	// Extends Identity
	Identity

	// Sign the message
	Sign(msg []byte) ([]byte, error)

	// GetPublicVersion returns the public parts of this identity
	GetPublicVersion() Identity
}