/
naclgen.go
85 lines (70 loc) · 2.02 KB
/
naclgen.go
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// Copyright 2015 Keybase, Inc. All rights reserved. Use of
// this source code is governed by the included BSD license.
package libkb
import (
"fmt"
keybase1 "github.com/keybase/client/go/protocol/keybase1"
)
type NaclKeyPair interface {
GenericKey
}
type NaclGenerator func() (NaclKeyPair, error)
type NaclKeyGenArg struct {
Signer GenericKey // who is going to sign us into the Chain
ExpiresIn int
Generator NaclGenerator
Me *User
DelegationType DelegationType
ExpireIn int // how long it lasts
EldestKeyID keybase1.KID // the eldest KID for this epoch
Device *Device
RevSig string // optional reverse sig. set to nil for autogenerate.
}
type NaclKeyGen struct {
arg *NaclKeyGenArg
pair NaclKeyPair
}
func NewNaclKeyGen(arg NaclKeyGenArg) *NaclKeyGen {
return &NaclKeyGen{arg: &arg}
}
func (g *NaclKeyGen) Generate() (err error) {
g.pair, err = g.arg.Generator()
return
}
func (g *NaclKeyGen) SaveLKS(m MetaContext, lks *LKSec) error {
_, err := WriteLksSKBToKeyring(m, g.pair, lks)
return err
}
func (g *NaclKeyGen) Push(m MetaContext, aggregated bool) (d Delegator, err error) {
if g.pair == nil {
return Delegator{}, fmt.Errorf("cannot Push delegator before Generate")
}
d = Delegator{
NewKey: g.pair,
RevSig: g.arg.RevSig,
Device: g.arg.Device,
Expire: g.arg.ExpireIn,
DelegationType: g.arg.DelegationType,
ExistingKey: g.arg.Signer,
Me: g.arg.Me,
EldestKID: g.arg.EldestKeyID,
}
if aggregated {
return
}
err = d.Run(m)
return
}
func (g *NaclKeyGen) GetKeyPair() NaclKeyPair {
return g.pair
}
func (g *NaclKeyGen) UpdateArg(signer GenericKey, eldestKID keybase1.KID, delegationType DelegationType, user *User) {
g.arg.Signer = signer
g.arg.EldestKeyID = eldestKID
g.arg.DelegationType = delegationType
// if a user is passed in, then update the user pointer
// this is necessary if the sigchain changed between generation and push.
if user != nil {
g.arg.Me = user
}
}