Don’t try this in India yet, but in US, a district court is about to judge on whether you have to hand over encryption keys to the law if asked. Or can you decline because that is akin to self-incrimination? Given that the general pattern in our country of late is that you are guilty till proven innocent, trying this at “home” is probably only going to get yourself convicted,
Many service providers have started encrypting the statements that they send you. While at some level, it does add some amount of security when the path to your inbox is not very secure. However, it is sometimes a major pain when you want to archive your emails. This is because every provider has decided on a different secret to encrypt your PDF. So if one day you wish to access a statement of your phone bill from three months back, you have to look up the bill from your archive and read the mail to find out what they used to encrypt it.
Very embarrassingly, after a spate of reinstalls, crashes, backup of wrong copies and my policy of destroying old backups in the house, I discovered that I have lost the secret keys of my GPG keypair(I had not used them for a while). The revocation certificate, printed on a scrap of paper, was lost during my relocation to Bangalore.I was always procrastinating its re-generation, and I seem to have paid for this now.