seal

package

v1.12.0 Latest Latest Go to latest Published: Nov 11, 2026 License: MIT Imports: 7 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/Unfield/Tern

Links

Open Source Insights

Documentation ¶

Overview ¶

Package seal encrypts and authenticates small values, such as cookie contents, with AES-256-GCM. The key is derived from a secret, so any string of at least 32 bytes works.

Index ¶

Variables
type Box
- func New(secret, purpose string) (*Box, error)
- func (b *Box) Open(sealed string) ([]byte, error)
- func (b *Box) Seal(plain []byte) string

Constants ¶

This section is empty.

Variables ¶

View Source

var ErrInvalid = errors.New("seal: invalid value")

ErrInvalid is returned for values that were not sealed by this box or were changed.

Functions ¶

This section is empty.

Types ¶

type Box ¶

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

Box seals and opens values for one purpose.

func New ¶

func New(secret, purpose string) (*Box, error)

New derives a key for purpose from secret. Values sealed for one purpose can't be opened for another.

func (*Box) Open ¶

func (b *Box) Open(sealed string) ([]byte, error)

Open decrypts a value from Seal.

func (*Box) Seal ¶

func (b *Box) Seal(plain []byte) string

Seal encrypts plain into URL-safe text.

Source Files ¶

View all Source files

seal.go

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL