Function decryptGroupImage

decryptGroupImage(
    encrypted: Uint8Array,
    imageKey: Uint8Array,
    imageNonce: Uint8Array,
): Uint8Array
Decrypts a group image using fields from MarmotGroupData (MIP-01).
Parameters
- encrypted: Uint8Array
  The encrypted blob downloaded from Blossom
- imageKey: Uint8Array
  MarmotGroupData.imageKey (32 bytes)
- imageNonce: Uint8Array
  MarmotGroupData.imageNonce (12 bytes)
Returns Uint8Array
The decrypted image bytes

Throws
If AEAD authentication or decryption fails
- Defined in ../home/robert/Projects/marmot-ts/src/core/group-image.ts:93