Sunsetting QCA

We are planning to sunset QCA, it's architecture is quite complex, the code quite bug and the uses of it are relatively small so it's easier to just replace QCA with uses of botan/gnupg/nss/openssl as appropriate.

Uses of QCA Qt6

kwallet

Used in src/runtime/kwalletd for FDO secrets

• Todo

ksirk

Used in libiris copied for jabber (code doesn't compile)

• Remove libiris/jabber support from the code games/ksirk!21 (merged)

kdepim-runtime

Used in ewsclient

• Todo pim/kdepim-runtime#18

messagelib

Used in dkim-verify

• pim/messagelib!242 (merged)

plasma-nm

Used in libs/editor/settings/security802-1x.cpp

• Todo

konversation

Used for Diffie-Hellman and Blowfish over IRC. Testing direct use of Botan2.

• Todo

calligra

• Used in MsooXmlImport.cpp
• Used in KoEncryptedStore.cpp office/calligra@adee1986

Uses of QCA Qt5

skrooge

QCA is only used to open old encrypted files. Plan is to stop using QCA and just tell users that are in that scenario to temporarily use an older version to use the file.

•   office/skrooge@28799b19

calligra-plan

Used in KoEncryptedStore.cpp

• Todo

gcompris

Used in work/server branch

• Todo