[tools] improve smartcard traffic interpreter
This patch adds interpretations for more commands and adds a new application.
This commit is contained in:
David Fort
parent
a2a0cc0792
commit
7bf8669e6d
@ -69,6 +69,7 @@ AIDs = {
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"a00000039742544659": "MsGidsAID",
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"a000000308": "PIV",
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"a0000003974349445f0100": "SC PNP",
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"a0000001510000": "GPC",
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}
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FIDs = {
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@ -89,7 +90,9 @@ DOs = {
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ERROR_CODES = {
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0x9000: "success",
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0x6100: "more bytes",
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0x6282: "end of file or record",
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0x6283: "card locked",
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0x63C0: "warning counter 0",
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0x63C1: "warning counter 1",
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0x63C2: "warning counter 2",
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@ -101,6 +104,7 @@ ERROR_CODES = {
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0x63C8: "warning counter 8",
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0x63C9: "warning counter 9",
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0x6982: "security status not satisfied",
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0x6882: "Secure messaging not supported",
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0x6985: "condition of use not satisfied",
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0x6A80: "incorrect parameter cmd data field",
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0x6A81: "function not suppported",
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@ -126,6 +130,8 @@ PIV_OIDs = {
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}
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class ApplicationDummy(object):
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"""Base application"""
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def __init__(self, aid):
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self.aid = aid
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@ -133,13 +139,13 @@ class ApplicationDummy(object):
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return self.aid
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def selectResult(self, fci, status, body):
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return 'selectResult(%s, %s, %s)\n' %(fci, status, body.hex())
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return 'selectResult(fci=%s, status=0x%x) = %s\n' %(fci, status, body.hex())
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def getData(self, fileId, bytes):
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return 'getData(0x%x, %s)\n' %(fileId, bytes.hex())
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return 'getData(status=0x%x) = %s\n' %(fileId, bytes.hex())
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def getDataResult(self, status, body):
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return 'getDataResult(0x%x, %s)\n' %(status, body.hex())
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return 'getDataResult(status=0x%x) = %s\n' %(status, body.hex())
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def mse(self, body):
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return body.hex()
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@ -153,8 +159,72 @@ class ApplicationDummy(object):
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def psoResult(self, status, body):
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return body.hex()
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def getResponse(self, status, body):
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return body.hex()
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def getResponseResult(self, status, body):
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return body.hex()
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def verify(self, status, body):
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return "verify(%s)" % body.hex()
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def verifyResult(self, status, body):
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return "verify(%s)" % body.hex()
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'''
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'''
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class ApplicationGpc(object):
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"""GlobalPlatform application"""
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def __init__(self, aid):
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self.aid = aid
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self.lastGetData = None
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def getAID(self):
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return self.aid
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def selectResult(self, fci, status, body):
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return 'selectResult(fci=%s, status=0x%x) = %s\n' %(fci, status, body.hex())
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def getData(self, fileId, bytes):
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tags = {
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0x42: 'Issuer Identification Number',
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0x45: 'Card Image Number',
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0x66: 'Card Data',
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0x67: 'Card Capability Information' # ???
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}
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self.lastGetData = fileId
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return 'getData(%s)\n' % tags.get(fileId, '<unknown 0x%x>' % fileId)
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def getDataResult(self, status, body):
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if self.lastGetData == 0x66:
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# Card Data
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pass
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return 'getDataResult(0x%x) = %s\n' %(status, body.hex())
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def mse(self, body):
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return body.hex()
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def mseResult(self, status, body):
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return body.hex()
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def pso(self, body):
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return body.hex()
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def psoResult(self, status, body):
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return body.hex()
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def getResponse(self, status, body):
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return body.hex()
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def getResponseResult(self, status, body):
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return body.hex()
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class ApplicationPIV(object):
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"""PIV application"""
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def __init__(self, aid):
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self.lastGet = None
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self.aid = aid
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@ -171,6 +241,8 @@ class ApplicationPIV(object):
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while len(body) > 2:
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tag = body[0]
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tagLen = body[1]
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if tagLen != 1:
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pass
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if selectT == "FCI":
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if tag == 0x4f:
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ret += "\tpiv version: %s\n" % body[2:2 + tagLen].hex()
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@ -188,9 +260,9 @@ class ApplicationPIV(object):
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ret += '\tCoexistent tag allocation authority: %s\n' % content
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elif tag == 0x50:
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ret += '\tapplication label\n'
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ret += '\tapplication label: %s\n' % body[2:2+tagLen].decode('utf8')
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elif tag == 0xac:
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ret += '\tCryptographic algorithms supported\n'
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ret += '\tCryptographic algorithms supported: %s\n' % body[2:2+tagLen].hex()
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else:
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rety += '\tunknown tag 0x%x\n' % tag
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@ -202,7 +274,10 @@ class ApplicationPIV(object):
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return ret
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def getData(self, fileId, bytes):
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ret = "\tfileId=%s\n" % FIDs.get(fileId, "%0.4x" % fileId)
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ret = "\tfileId=%s(%0.4x)\n" % (FIDs.get(fileId, ""), fileId)
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if len(bytes) < 7:
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return ret + "\t/!\\ too short !!!!"
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lc = bytes[4]
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tag = bytes[5]
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@ -224,13 +299,17 @@ class ApplicationPIV(object):
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tag = bytes[i]
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tagLen = bytes[i+1]
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keyStr += "value(tag=0x%x len=%d)"
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elif lc == 3:
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ret += "\tDiscovery Object\n"
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elif lc == 4:
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ret += "\tBiometric Information Templates (BIT) Group Template\n"
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elif lc == 5:
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if tag == 0x5C:
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tagStr = bytes[7:].hex()
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tagStr = bytes[7:10].hex()
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ret += '\ttag: %s(%s)\n' % (tagStr, PIV_OIDs.get(tagStr, '<unknown>'))
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self.lastGet = tagStr
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else:
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ret += "\tunknown key access\n"
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ret += "\tunknown key access(lc=0x%x)\n" % lc
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return ret
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@ -259,13 +338,50 @@ class ApplicationPIV(object):
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ret += '\tIssuer Asymmetric Signature: %s\n' % tagBody.hex()
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else:
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ret += "\tunknown tag=0x%x len=%d content=%s\n" % (tag, tagLen, tagBody.hex())
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elif self.lastGet in ('5fc107',):
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# Card Capability Container
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capas = {
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0xf0: "Card Identifier",
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0xf1: "Capability Container version number",
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0xf2: "Capability Grammar version number",
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0xf3: "Applications CardURL",
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0xf4: "PKCS#15",
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0xf5: "Registered Data Model number",
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0xf6: "Access Control Rule Table",
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0xf7: "Card APDUs",
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0xfa: "Redirection Tag",
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0xfb: "Capability Tuples (CTs)",
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0xfc: "Status Tuples (STs)",
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0xfd: "Next CCC",
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0xe3: "Extended Application CardURL",
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0xb4: "Security Object Buffer",
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0xfe: "Error Detection Code"
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}
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if tag in capas.keys():
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if tagLen:
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ret += "\t%s: len=%d %s\n" % (capas[tag], tagLen, tagBody.hex())
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else:
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ret += "\t%s: unknown tag=0x%x len=%d content=%s\n" % (self.lastGet, tag, tagLen, tagBody.hex())
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ret += "\tunknown capa tag 0x%x: %s\n" % (tag, tagBody.hex())
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elif self.lastGet == '5fc105':
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# X.509 Certificate for PIV Authentication
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pass
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else:
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ret += "\t%s: unimplemented tag=0x%x len=%d content=%s\n" % (self.lastGet, tag, tagLen, tagBody.hex())
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body = body[2+tagLen:]
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return ret
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def getResponse(self, status, body):
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return body.hex()
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def getResponseResult(self, status, body):
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return body.hex()
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def mse(self, body):
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return body.hex()
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@ -278,9 +394,18 @@ class ApplicationPIV(object):
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def psoResult(self, status, body):
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return body.hex()
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def verify(self, status, body):
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return "verify(%s)" % body.hex()
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def verifyResult(self, status, body):
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return "verify(%s)" % body.hex()
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class ApplicationGids(object):
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"""GIDS application"""
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def __init__(self, aid):
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self.aid = aid
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self.lastDo = None
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@ -376,7 +501,7 @@ class ApplicationGids(object):
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elif selectT == 'FCI':
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return self.parseFci(body)
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else:
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return '\tselectResult(%s, %s, %s)\n' % (selectT, status, body.hex())
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return '\tselectResult(fci=%s, status=0x%x) = %s\n' % (selectT, status, body.hex())
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def getData(self, fileId, bytes):
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lc = bytes[4]
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@ -411,6 +536,12 @@ class ApplicationGids(object):
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def mseResult(self, status, body):
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return body.hex()
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def getResponse(self, status, body):
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return body.hex()
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def getResponseResult(self, status, body):
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return body.hex()
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def pso(self, body):
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return body.hex()
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@ -420,15 +551,24 @@ class ApplicationGids(object):
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def createAppByAid(aid):
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if aid == "a000000308":
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if aid in ("a000000308", 'a00000030800001000',):
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return ApplicationPIV(aid)
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elif aid in ('a00000039742544659',):
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return ApplicationGids(aid)
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elif aid in ('a0000001510000',):
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return ApplicationGpc(aid)
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return ApplicationDummy(aid)
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def getErrorCode(status):
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if status & 0x6100:
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return "%d more bytes" % (status & 0xff)
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return ERROR_CODES.get(status, "<unknown>")
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if __name__ == '__main__':
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if len(sys.argv) > 1:
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fin = open(sys.argv[1], "r")
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@ -497,7 +637,7 @@ if __name__ == '__main__':
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elif p1 == 0x4:
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aid = bytes[i:i+lc].hex()
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lastSelect = AIDs.get(aid, '')
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lastSelect = AIDs.get(aid, '<unknown %s>' % aid)
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print("\tselectByAID: %s(%s)" % (aid, lastSelect))
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if p2 == 0x00:
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@ -537,6 +677,13 @@ if __name__ == '__main__':
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ret = currentApp.getData(fileId, bytes)
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print("%s" % ret)
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elif cmdName == "GET RESPONSE":
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#lc = bytes[4]
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#fileId = p1 * 256 + p2
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#ret = currentApp.getResponse(fileId, bytes)
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#print("%s" % ret)
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pass
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elif cmdName == "MSE":
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ret = currentApp.mse(bytes[5:5+lc])
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print("%s" % ret)
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@ -551,9 +698,12 @@ if __name__ == '__main__':
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else:
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# Responses
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if not len(bytes):
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continue
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status = bytes[-1] + bytes[-2] * 256
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body = bytes[0:-2]
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print("status=0x%0.4x(%s)" % (status, ERROR_CODES.get(status, "<unknown>")))
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print("status=0x%0.4x(%s)" % (status, getErrorCode(status)))
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if not len(body):
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continue
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@ -567,6 +717,10 @@ if __name__ == '__main__':
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ret = currentApp.mseResult(status, body)
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elif lastCmd == "PSO":
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ret = currentApp.psoResult(status, body)
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elif lastCmd == "GET RESPONSE":
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ret = currentApp.getResponseResult(status, body)
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elif lastCmd == "VERIFY":
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ret = currentApp.verifyResult(status, body)
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if ret:
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print("%s" % ret)
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