hmac

package
Version: v0.40.2 Latest Latest
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Published: May 28, 2021 License: Apache-2.0 Imports: 11 Imported by: 86

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func RandomBytes added in v0.4.0

func RandomBytes(n int) ([]byte, error)

RandomBytes returns n random bytes by reading from crypto/rand.Reader

Types

type HMACStrategy

type HMACStrategy struct {
	TokenEntropy         int
	GlobalSecret         []byte
	RotatedGlobalSecrets [][]byte
	sync.Mutex
}

HMACStrategy is responsible for generating and validating challenges.

func (*HMACStrategy) Generate

func (c *HMACStrategy) Generate() (string, string, error)

Generate generates a token and a matching signature or returns an error. This method implements rfc6819 Section 5.1.4.2.2: Use High Entropy for Secrets.

func (*HMACStrategy) Signature

func (c *HMACStrategy) Signature(token string) string

func (*HMACStrategy) Validate

func (c *HMACStrategy) Validate(token string) (err error)

Validate validates a token and returns its signature or an error if the token is not valid.

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