package crypto

import "context"

type Envelope struct {
	Version    uint8  `json:"version"`
	KeyID      string `json:"key_id"`
	Nonce      []byte `json:"nonce"`
	Ciphertext []byte `json:"ciphertext"`
}

type KeyCipher interface {
	Encrypt(ctx context.Context, plaintext []byte) (Envelope, error)
	Decrypt(ctx context.Context, envelope Envelope) ([]byte, error)
}