scrypt

package

v0.0.0-...-70049d7 Latest Latest Go to latest Published: Mar 14, 2023 License: BSD-3-Clause Imports: 10 Imported by: 0

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Repository

github.com/muhlemmer/passwap

Documentation ¶

Overview ¶

Package scrypt provides salt generation, hashing and verification for x/crypto/scrypt.

Index ¶

Constants
Variables
func Verify(encoded, password string) (verifier.Result, error)
type Hasher
- func New(p Params) *Hasher
- func (h *Hasher) Hash(password string) (string, error)
- func (h *Hasher) Verify(encoded, password string) (verifier.Result, error)
type Params

Constants ¶

View Source

const (
	Identifier       = "scrypt"
	Identifier_Linux = "7"
	Prefix           = "$" + Identifier + "$"
	Prefix_Linux     = "$" + Identifier_Linux + "$"
)

Identifiers and prefixes that describe and scrypt encoded hash string.

View Source

const Format = "$%s$ln=%d,r=%d,p=%d$%s$%s"

Format of the Modular Crypt Format, as used by passlib. See https://passlib.readthedocs.io/en/stable/lib/passlib.hash.scrypt.html#format-algorithm

Variables ¶

View Source

var (
	RecommendedParams = Params{
		N:       32768,
		R:       8,
		P:       1,
		KeyLen:  32,
		SaltLen: 16,
	}
)

View Source

var Verifier = verifier.VerifyFunc(Verify)

Verifier for Scrypt.

Functions ¶

func Verify ¶

func Verify(encoded, password string) (verifier.Result, error)

Verify parses encoded and uses its scrypt parameters to verify password against its hash. Either the result of Fail or OK is returned, or an error if parsing fails.

Types ¶

type Hasher ¶

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

func New ¶

func New(p Params) *Hasher

func (*Hasher) Hash ¶

func (h *Hasher) Hash(password string) (string, error)

Hash implements passwap.Hasher.

func (*Hasher) Verify ¶

func (h *Hasher) Verify(encoded, password string) (verifier.Result, error)

Verify implements passwap.Verifier

type Params ¶

type Params struct {
	// N, R, P are the cost parameters used
	// by scrypt.Key:
	// https://pkg.go.dev/golang.org/x/crypto/scrypt#Key
	N int
	R int
	P int

	// Lengths for key output and desired salt.
	KeyLen  int
	SaltLen uint32
}

Source Files ¶

View all Source files

scrypt.go

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