How to handle attachments in HTTP_AAE

Hi,

We have a requiremnet,where SAP sends the data to PI in XML format and the same XML file we have to send it to thirdparty over HTTP_AAE adapter.We have below queries on HTTP adapter.

1. Can we handle attachmnets using HTTP adapter?If yes,how can we do that ?

2.Can PGP encryption/decryption is possible in PI using HTTP adapter ?

Could you please share your valuable inputs.