sqrlcrypto

type AEADEncrypted struct {
	Value []byte
	IV    []byte
	Tag   []byte
}

type EnscryptResult struct {
	Value      []byte
	Salt       []byte
	Iterations int
	Duration   time.Duration
}

type S4Data struct {
	MasterKey          *S4Type1
	RescueCode         *S4Type2
	PreviousIdentities *S4Type3
	Others             [][]byte
}

type S4Type1 struct {
	Length                uint16   // == 125
	Type                  uint16   // == 1
	PlainLength           uint16   // == 45
	AESGCMIV              [12]byte // 12
	ScryptSalt            [16]byte // 16
	ScryptN               byte
	ScryptIterations      uint32
	OptionFlags           uint16
	HintLength            byte
	PasswordVerifySeconds byte
	IdleTimeoutMinutes    uint16

	EncryptedIdentityMasterKey [32]byte // 32
	EncryptedIdentityLockKey   [32]byte // 32
	VerificationTag            [16]byte // 16
}

type S4Type2 struct {
	Length           uint16   // == 73
	Type             uint16   // == 2
	ScryptSalt       [16]byte // 16
	ScryptN          byte
	ScryptIterations uint32

	EncryptedIdentityUnlockKey [32]byte // 32
	VerificationTag            [16]byte // 16
}

type S4Type3 struct {
	Length  uint16 // == 54,86,118,150 (+32 for each previous key)
	Type    uint16 // == 2
	Edition uint16

	// array of previous keys sorted with oldest last
	EncryptedIdentityPreviousUnlockKey [][32]byte
	VerificationTag                    [16]byte // 16
}

type SqrlIdentity struct {
	IdentityUnlockKey []byte
	IdentityLockKey   []byte
	IdentityMasterKey []byte
	RescueCode        string
}