[NIIBE Yutaka] > It worked well with PC/SC service. You can try to run PC/SC service > on RPi, too.
I tried after installing pcscd, and got an error here too after ensuring I had access to the device and the pcscd service were running: 2016-06-18 09:29:42 scdaemon[1131] listening on socket `/tmp/gpg-DKcKVL/S.scdaemon' 2016-06-18 09:29:42 scdaemon[1131] handler for fd -1 started 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: using CCID reader 0 (ID=08E6:3438:0F9E69C2:0) 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: idVendor: 08E6 idProduct: 3438 bcdDevice: 0200 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: ChipCard Interface Descriptor: 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bLength 54 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bDescriptorType 33 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bcdCCID 1.01 (Warning: Only accurate for version 1.0) 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: nMaxSlotIndex 0 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bVoltageSupport 7 ? 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwProtocols 3 T=0 T=1 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwDefaultClock 4800 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwMaxiumumClock 4800 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bNumClockSupported 0 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwDataRate 12903 bps 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwMaxDataRate 825806 bps 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bNumDataRatesSupp. 53 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwMaxIFSD 254 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwSyncProtocols 00000000 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwMechanical 00000000 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwFeatures 00010230 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: Auto clock change 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: Auto baud rate change 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: NAD value other than 0x00 accepted 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: TPDU level exchange 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwMaxCCIDMsgLen 271 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bClassGetResponse 00 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bClassEnvelope 00 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: wlcdLayout none 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bPINSupport 0 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bMaxCCIDBusySlots 1 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: usb_claim_interface failed: -16 2016-06-18 09:29:42 scdaemon[1131] PC/SC OPEN failed: unpowered card (0x80100067) scdaemon[1131]: chan_7 -> OK GNU Privacy Guard's Smartcard server ready scdaemon[1131]: chan_7 <- GETINFO socket_name scdaemon[1131]: chan_7 -> D /tmp/gpg-DKcKVL/S.scdaemon scdaemon[1131]: chan_7 -> OK scdaemon[1131]: chan_7 <- SERIALNO openpgp 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: using CCID reader 0 (ID=08E6:3438:0F9E69C2:0) 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: idVendor: 08E6 idProduct: 3438 bcdDevice: 0200 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: ChipCard Interface Descriptor: 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bLength 54 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bDescriptorType 33 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bcdCCID 1.01 (Warning: Only accurate for version 1.0) 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: nMaxSlotIndex 0 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bVoltageSupport 7 ? 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwProtocols 3 T=0 T=1 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwDefaultClock 4800 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwMaxiumumClock 4800 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bNumClockSupported 0 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwDataRate 12903 bps 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwMaxDataRate 825806 bps 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bNumDataRatesSupp. 53 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwMaxIFSD 254 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwSyncProtocols 00000000 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwMechanical 00000000 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwFeatures 00010230 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: Auto clock change 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: Auto baud rate change 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: NAD value other than 0x00 accepted 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: TPDU level exchange 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: dwMaxCCIDMsgLen 271 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bClassGetResponse 00 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bClassEnvelope 00 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: wlcdLayout none 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bPINSupport 0 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: bMaxCCIDBusySlots 1 2016-06-18 09:29:42 scdaemon[1131] DBG: ccid-driver: usb_claim_interface failed: -16 2016-06-18 09:29:43 scdaemon[1131] PC/SC OPEN failed: unpowered card (0x80100067) scdaemon[1131]: chan_7 -> ERR 100663404 Card error <SCD> scdaemon[1131]: chan_7 <- RESTART scdaemon[1131]: chan_7 -> OK scdaemon[1131]: chan_7 <- [eof] 2016-06-18 09:29:43 scdaemon[1131] handler for fd -1 terminated 2016-06-18 09:29:43 scdaemon[1131] scdaemon (GnuPG) 2.0.26 stopped -- Happy hacking Petter Reinholdtsen
