Global USE flag

Add support for encryption -- using mcrypt or gpg where applicable

Packages describing “crypt” as local USE flag

Package “crypt” Flag Description
app-office/skrooge Enable encryption using dev-db/sqlcipher
app-text/pastebinit Install pbputs for gpg-encrypted pastes
mail-client/balsa Adds support for GnuPG encryption
mail-client/evolution Enable GPG encryption support using app-crypt/gnupg and app-crypt/pinentry
mail-client/thunderbird Enable encryption support with enigmail
net-analyzer/nsca Build support for crypted communication with nsca, through dev-libs/libmcrypt. It's recommended not to disable this flag unless all the communication will be handled in an absolutely safe environment.
net-analyzer/wireshark Use dev-libs/libgcrypt to decrypt traffic
net-im/qutim Enable AES crypto plugin
net-irc/limnoria Enables user authentication with GPG
net-irc/quassel Support core->network per-channel and per-query blowfish encryption via app-crypt/qca SLOT 2.
net-mail/notmuch Support decryption and verification of PGP/MIME messages and in Emacs UI - encryption; support also S/MIME signature verification since version 0.22
sys-kernel/genkernel Obsolete USE flag. Use cryptsetup for LUKS support. (bug ##414523)
sys-power/suspend Allows suspend and resume from encrypted disk