Enable Blake2 hash support via app-crypt/libb2 Build extension for mate-base/caja Use dev-libs/libgcrypt library Support GTK+ 2.x instead of GTK+ 3.x Support GTK+ 3.x instead of GTK+ 2.x Use the Linux kernel hash algorithm interface (CONFIG_CRYPTO_USER_API_HASH) Use mbed TLS instead of OpenSSL Build extension for gnome-base/nautilus Use the Nettle cryptographic library Enable the libcrypto (dev-libs/openssl library) Build extension for xfce-base/thunar Add support for zlib (de)compression app-crypt/gtkhash