charset utf-8 require-cross-certification no-escape-from-lines no-mangle-dos-filenames personal-digest-preferences SHA512 cert-digest-algo SHA512 use-agent default-preference-list SHA512 SHA384 SHA256 SHA224 AES256 AES192 AES CAST5 ZLIB BZIP2 ZIP Uncompressed keyserver wwwkeys.pgp.net keyserver hkp://pool.sks-keyservers.net keyserver pgp.zdv.uni-mainz.de keyserver-options auto-key-retrieve