decrypt(encrypted:string,secret:string):Promise<string|undefined>
Decrypts an encrypted string using a secret with AES-GCM.
| Parameter | Type | Description |
|---|---|---|
encrypted | string | The ciphertext to decrypt. |
secret | string | The secret used to derive the decryption key. |
Promise<string | undefined>
Decrypted plaintext string or undefined if decryption fails.