secmsg

Documentation

Index

• Variables
• type MessageService
  • func NewMessageService(secret []byte) (*MessageService, error)
  • func (svc *MessageService) Decode(token []byte, maxage time.Duration) ([]byte, error)
  • func (svc *MessageService) Encode(msg []byte) ([]byte, error)
  • func (svc *MessageService) MustDecode(token []byte, maxage time.Duration) []byte
  • func (svc *MessageService) MustEncode(msg []byte) []byte

Variables

var (
	ErrSecretKeyLength    = errors.New("secret key too short")
	ErrVerificationFailed = errors.New("message verification failed")
)

Types

type MessageService

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

func NewMessageService

func NewMessageService(secret []byte) (*MessageService, error)

NewMessageService sets up a message service with the given key.

func (*MessageService) Decode

func (svc *MessageService) Decode(token []byte, maxage time.Duration) ([]byte, error)

Verify verifies and decodes a token, returning an error on failure.

func (*MessageService) Encode

func (svc *MessageService) Encode(msg []byte) ([]byte, error)

Encode encodes a message, returning an error on failure.

func (*MessageService) MustDecode

func (svc *MessageService) MustDecode(token []byte, maxage time.Duration) []byte

Decode verifies and decodes a token, returning an empty slice on failure.

func (*MessageService) MustEncode

func (svc *MessageService) MustEncode(msg []byte) []byte

MustEncode encodes a message, calling panic on failure.