$ pamu2fcfg -d
USB send: 00ffffffff860008cee8d8585410d88a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
USB write returned 65
now trying with timeout 2
now trying with timeout 4
USB read rc read 64
USB recv: ffffffff860011cee8d8585410d88acafebabf020200000300000000000000000000000000000000000000000000000000000000000000000000000000000000
device /dev/hidraw3 discovered as 'U2F Zero'
version (Interface, Major, Minor, Build): 2, 2, 0, 0 capFlags: 3
JSON: { "challenge": "DSaUJKTVaqeMUVKq_OC4PuxGKknktqhbehtthPtcuAI", "version": "U2F_V2", "appId": "pam:\/\/AR" }
JSON challenge URL-B64: DSaUJKTVaqeMUVKq_OC4PuxGKknktqhbehtthPtcuAI
client data: { "challenge": "DSaUJKTVaqeMUVKq_OC4PuxGKknktqhbehtthPtcuAI", "origin": "pam:\/\/AR", "typ": "navigator.id.finishEnrollment" }
JSON: { "challenge": "DSaUJKTVaqeMUVKq_OC4PuxGKknktqhbehtthPtcuAI", "version": "U2F_V2", "appId": "pam:\/\/AR" }
JSON app_id pam://AR
USB send: 00cafebabf830049000103000000406ae0a8b47a8d079888d7327766b9647fff52f001005f561832f6b74b96fc9adde6ffdeef11c0a85ad16c96b1f11c0f31f1
USB write returned 65
USB send: 00cafebabf006aff7bcea2f17f1e2e61e4d6bec10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
USB write returned 65
now trying with timeout 2
now trying with timeout 4
now trying with timeout 8
now trying with timeout 16
now trying with timeout 32
now trying with timeout 64
now trying with timeout 128
now trying with timeout 256
now trying with timeout 512
now trying with timeout 1024
USB read rc read 64
USB recv: cafebabf830002921000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
USB data (len 2): 9210
Unable to generate registration challenge, error in transport layer (-2)
$ pamu2fcfg -d USB send: 00ffffffff860008cee8d8585410d88a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 USB write returned 65 now trying with timeout 2 now trying with timeout 4 USB read rc read 64 USB recv: ffffffff860011cee8d8585410d88acafebabf020200000300000000000000000000000000000000000000000000000000000000000000000000000000000000 device /dev/hidraw3 discovered as 'U2F Zero' version (Interface, Major, Minor, Build): 2, 2, 0, 0 capFlags: 3 JSON: { "challenge": "DSaUJKTVaqeMUVKq_OC4PuxGKknktqhbehtthPtcuAI", "version": "U2F_V2", "appId": "pam:\/\/AR" } JSON challenge URL-B64: DSaUJKTVaqeMUVKq_OC4PuxGKknktqhbehtthPtcuAI client data: { "challenge": "DSaUJKTVaqeMUVKq_OC4PuxGKknktqhbehtthPtcuAI", "origin": "pam:\/\/AR", "typ": "navigator.id.finishEnrollment" } JSON: { "challenge": "DSaUJKTVaqeMUVKq_OC4PuxGKknktqhbehtthPtcuAI", "version": "U2F_V2", "appId": "pam:\/\/AR" } JSON app_id pam://AR USB send: 00cafebabf830049000103000000406ae0a8b47a8d079888d7327766b9647fff52f001005f561832f6b74b96fc9adde6ffdeef11c0a85ad16c96b1f11c0f31f1 USB write returned 65 USB send: 00cafebabf006aff7bcea2f17f1e2e61e4d6bec10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 USB write returned 65 now trying with timeout 2 now trying with timeout 4 now trying with timeout 8 now trying with timeout 16 now trying with timeout 32 now trying with timeout 64 now trying with timeout 128 now trying with timeout 256 now trying with timeout 512 now trying with timeout 1024 USB read rc read 64 USB recv: cafebabf830002921000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 USB data (len 2): 9210 Unable to generate registration challenge, error in transport layer (-2)