auth

package

v0.1.0 Latest Latest Go to latest Published: Oct 23, 2019 License: MIT Imports: 1 Imported by: 0

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package auth provides a common interface an registry for transforming passwords into a secure form.

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func Compute(authtype string, v []byte) ([]byte, error)

Compute takes a supplied value and transforms it into an authentication challenge using the supplied authtype.

func IsInvalidType(err error) bool

IsInvalidType checks whether or not an error indicates an invalid auth type.

func Register(name string, cv ComputerVerifier) error

Register is called by the init() functions of authentication modules to register those modules at run time. Supplied names must be unique.

func Verify(authtype string, challenge, attempt []byte) (bool, error)

Verify takes a precomputed authentication challenge and compares it to a supplied input to see if they match.

type Computer interface {
	Compute(v []byte) ([]byte, error)
}

Computer objects can take a user-supplied value and compute an authentication challenge

type ComputerVerifier interface {
	Computer
	Verifier
}

ComputerVerifier objects implement both Computer and Verifier functionality.

type InvalidType interface {
	IsInvalidType() bool
}

type Verifier interface {
	Verify(challenge, attempt []byte) bool
}

Verifier objects can take a stored authentication challenge (e.g. a hash) and determine if the provided attempt value matches.

Path	Synopsis
bcrypt package bcrypt implements the bcrypt algorithm as an authentication method.	package bcrypt implements the bcrypt algorithm as an authentication method.
scrypt