Merge branch '232-smime-support' into 'dev'

enzevalos_iphone.xcodeproj/project.pbxproj

enzevalos_iphone.xcodeproj/project.pbxproj.orig

...codeproj/xcshareddata/xcschemes/enzevalos_iphone.xcscheme

enzevalos_iphone/CHelpers.swift

enzevalos_iphone/Certificate.swift

enzevalos_iphone/CryptoObject.swift

enzevalos_iphone/InboxViewController.swift.orig

enzevalos_iphone/SMIME.swift

enzevalos_iphone/SMIMEHelpers.swift

enzevalos_iphone/SearchHelper.swift

enzevalos_iphone/Settings.bundle/Acknowledgements.plist

enzevalos_iphone/SwiftPGP.swift

enzevalos_iphone/SwiftUI/Inbox/Inbox.swift.orig

enzevalos_iphone/SwiftUI/Inbox/InboxCoordinator.swift.orig

enzevalos_iphone/SwiftUI/Inbox/KeyRecordRow.swift.orig

enzevalos_iphone/c/certificate-helpers.c

enzevalos_iphone/c/certificate-helpers.h

enzevalos_iphone/c/general-helpers.c

enzevalos_iphone/c/generic-helpers.h

enzevalos_iphone/c/smime-helpers.c