56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
|
package encoder
|
||
|
|
|
||
|
|
import "errors"
|
||
|
|
|
||
|
|
type Options struct {
|
||
|
|
Memory uint32
|
||
|
|
Iterations uint32
|
||
|
|
Parallelism uint8
|
||
|
|
SaltLength uint32
|
||
|
|
KeyLength uint32
|
||
|
|
}
|
||
|
|
|
||
|
|
var (
|
||
|
|
ErrInvalidHash = errors.New("the encoded hash is not in the correct format")
|
||
|
|
ErrIncompatibleVersion = errors.New("incompatible version of argon2")
|
||
|
|
defaultOptions = Options{
|
||
|
|
Memory: 64 * 1024,
|
||
|
|
Iterations: 3,
|
||
|
|
Parallelism: 2,
|
||
|
|
SaltLength: 16,
|
||
|
|
KeyLength: 32,
|
||
|
|
}
|
||
|
|
)
|
||
|
|
|
||
|
|
type OptFunc func(*Options)
|
||
|
|
|
||
|
|
func SetMemory(memory uint32) OptFunc {
|
||
|
|
return func(options *Options) {
|
||
|
|
options.Memory = memory
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func SetIterations(iterations uint32) OptFunc {
|
||
|
|
return func(options *Options) {
|
||
|
|
options.Iterations = iterations
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func SetParallelism(parallelism uint8) OptFunc {
|
||
|
|
return func(options *Options) {
|
||
|
|
options.Parallelism = parallelism
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func SetSaltLength(saltLength uint32) OptFunc {
|
||
|
|
return func(options *Options) {
|
||
|
|
options.SaltLength = saltLength
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func SetKeyLength(keyLength uint32) OptFunc {
|
||
|
|
return func(options *Options) {
|
||
|
|
options.KeyLength = keyLength
|
||
|
|
}
|
||
|
|
}
|