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Types ¶
type Encoder ¶
type Encoder struct {
// contains filtered or unexported fields
}
Encoder implements the encoder.Encoder interface using an Implementer to abstract implementation specific parts.
func (*Encoder) Create ¶
Create produces an encoded password from a plaintext password using the current configuration. The application must store the encoded password for future use.
func (*Encoder) Id ¶
Id returns the name of the encoder, which is the type of passwords it can handle.
func (*Encoder) IsCurrent ¶
IsCurrent returns true if the parameters used to generate the encoded password are at least as good as those in params. If IsCurrent returns false the encoding is out of date and should be regenerated, the application should call mcf.Create() to produce a new encoding to replace the current one.
type Implementer ¶
type Implementer interface {
// Params encodes the parameters used by Key.
Params() string
// Setparams restores parameters from string produced by Params.
SetParams(string) error
// Produces required amount of salt.
Salt() ([]byte, error)
// Key generates a key (hash, digest, key) using password, salt and implementer specific parameters.
Key(password, salt []byte) ([]byte, error)
// AtLeast compares the implementer to the current implementer and determines whether the
// implementer parameters are at least as strong as the current. It is used to determine
// whether an encoded password needs to be re-encoded.
AtLeast(Implementer) bool
}
Implementer represents a concrete implementation such as scrypt or pbkdf2
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