59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
package model
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import (
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"go-nkode/util"
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)
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type User struct {
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Id UserId
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CustomerId CustomerId
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Username Username
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EncipheredPasscode EncipheredNKode
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Kp KeypadDimension
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UserKeys UserCipherKeys
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Interface UserInterface
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Renew bool
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}
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func (u *User) DecipherMask(setVals []uint64, passcodeLen int) ([]uint64, error) {
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return u.UserKeys.DecipherMask(u.EncipheredPasscode.Mask, setVals, passcodeLen)
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}
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func (u *User) RenewKeys(setXor []uint64, attrXor []uint64) error {
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u.Renew = true
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var err error
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u.UserKeys.SetKey, err = util.XorLists(setXor[:u.Kp.AttrsPerKey], u.UserKeys.SetKey)
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if err != nil {
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panic(err)
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}
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u.UserKeys.AlphaKey, err = util.XorLists(attrXor[:u.Kp.TotalAttrs()], u.UserKeys.AlphaKey)
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return err
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}
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func (u *User) RefreshPasscode(passcodeAttrIdx []int, customerAttributes CustomerAttributes) error {
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setVals, err := customerAttributes.SetValsForKp(u.Kp)
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newKeys, err := NewUserCipherKeys(&u.Kp, setVals, u.UserKeys.MaxNKodeLen)
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if err != nil {
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return err
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}
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encipheredPasscode, err := newKeys.EncipherNKode(passcodeAttrIdx, customerAttributes)
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if err != nil {
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return err
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}
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u.UserKeys = *newKeys
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u.EncipheredPasscode = *encipheredPasscode
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u.Renew = false
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return nil
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}
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func (u *User) GetLoginInterface() ([]int, error) {
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err := u.Interface.PartialInterfaceShuffle()
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if err != nil {
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return nil, err
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}
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return u.Interface.IdxInterface, nil
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}
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