| 122 | } |
| 123 | |
| 124 | func Decrypt(userSecret string, data, additionalData, nonce []byte) ([]byte, error) { |
| 125 | aead, err := makeAead(userSecret) |
| 126 | if err != nil { |
| 127 | return []byte{}, fmt.Errorf("failed to make AEAD: %w", err) |
| 128 | } |
| 129 | plaintext, err := aead.Open(nil, nonce, data, additionalData) |
| 130 | if err != nil { |
| 131 | return []byte{}, fmt.Errorf("failed to decrypt: %w", err) |
| 132 | } |
| 133 | return plaintext, nil |
| 134 | } |
| 135 | |
| 136 | func EncryptHistoryEntry(userSecret string, entry HistoryEntry) (shared.EncHistoryEntry, error) { |
| 137 | data, err := json.Marshal(entry) |