It does not. I really hope they add the feature soon – in the meantime I use gpg on the commandline. I've been tempted to add the support in myself, however I

It does not. I really hope they add the feature soon – in the meantime I use gpg on the commandline. I've been tempted to add the support in myself, however I do not have any experience with the elementary codebase or Vala, so a cryptographic system would be a very poor choice for a first project!