Hi! Am 15.09.2010 17:07, schrieb Marco d'Itri: >> I suspect that those figures are because 2048 bits is the default size >> for RSA keys and 4096 bits is the largest size that GnuPG supports. > FWIW, the OpenPGP smartcard v2 supports keys up to 3072 bits. At the recent FrOSCon I have been told, that 4096 bit keys should work, but aren't officially supported. (Haven't tested it myself, yet.) Best regards, Alexander