def testAPKCertFingerprint(self):
"""
Test if certificates are correctly unpacked from the SignatureBlock files
Check if fingerprints matches
:return:
"""
from androguard.core.bytecodes.apk import APK
import binascii
from hashlib import md5, sha1, sha256
a = APK("examples/android/TestsAndroguard/bin/TestActivity.apk", skip_analysis=True)
# this one is not signed v2, it is v1 only
self.assertTrue(a.is_signed_v1())
self.assertFalse(a.is_signed_v2())
self.assertTrue(a.is_signed())
self.assertEqual(a.get_certificates_der_v2(), [])
self.assertEqual(a.get_certificates_v2(), [])
self.assertEqual(a.get_signature_name(), "META-INF/CERT.RSA")
self.assertEqual(a.get_signature_names(), ["META-INF/CERT.RSA"])
cert = a.get_certificate(a.get_signature_name())
cert_der = a.get_certificate_der(a.get_signature_name())
# Keytool are the hashes collected by keytool -printcert -file CERT.RSA
for h2, keytool in [(md5, "99:FF:FC:37:D3:64:87:DD:BA:AB:F1:7F:94:59:89:B5"),
(sha1, "1E:0B:E4:01:F9:34:60:E0:8D:89:A3:EF:6E:27:25:55:6B:E1:D1:6B"),
(sha256, "6F:5C:31:60:8F:1F:9E:28:5E:B6:34:3C:7C:8A:F0:7D:E8:1C:1F:B2:14:8B:53:49:BE:C9:06:44:41:44:57:6D")]:
x = h2()
x.update(cert_der)
hash_hashlib = x.hexdigest()
self.assertEqual(hash_hashlib.lower(), keytool.replace(":", "").lower())
def testAPKv2Signature(self):
from androguard.core.bytecodes.apk import APK
a = APK("examples/signing/TestActivity_signed_both.apk")
self.assertTrue(a.is_signed_v1())
self.assertTrue(a.is_signed_v2())
self.assertTrue(a.is_signed())
# Signing name is maximal 8 chars...
self.assertEqual(a.get_signature_name(), "META-INF/ANDROGUA.RSA")
self.assertEqual(len(a.get_certificates_der_v2()), 1)
# As we signed with the same certificate, both methods should return the
# same content
self.assertEqual(a.get_certificate_der(a.get_signature_name()),
a.get_certificates_der_v2()[0])
from asn1crypto import x509
self.assertIsInstance(a.get_certificates_v2()[0], x509.Certificate)
# Test if the certificate is also the same as on disk
with open("examples/signing/certificate.der", "rb") as f:
cert = f.read()
cert_der_v1 = a.get_certificate_der(a.get_signature_name())
cert_der_v2 = a.get_certificates_der_v2()[0]
for fun in [hashlib.md5, hashlib.sha1, hashlib.sha256, hashlib.sha512]:
h1 = fun(cert).hexdigest()
h2 = fun(cert_der_v1).hexdigest()
h3 = fun(cert_der_v2).hexdigest()
self.assertEqual(h1, h2)
self.assertEqual(h1, h3)
self.assertEqual(h2, h3)
def testAPKCertFingerprint(self):
"""
Test if certificates are correctly unpacked from the SignatureBlock files
Check if fingerprints matches
:return:
"""
from androguard.core.bytecodes.apk import APK
import binascii
from cryptography.hazmat.primitives import hashes
from hashlib import md5, sha1, sha256
a = APK("examples/android/TestsAndroguard/bin/TestActivity.apk", skip_analysis=True)
cert = a.get_certificate(a.get_signature_name())
cert_der = a.get_certificate_der(a.get_signature_name())
# Keytool are the hashes collected by keytool -printcert -file CERT.RSA
for h, h2, keytool in [(hashes.MD5, md5, "99:FF:FC:37:D3:64:87:DD:BA:AB:F1:7F:94:59:89:B5"),
(hashes.SHA1, sha1, "1E:0B:E4:01:F9:34:60:E0:8D:89:A3:EF:6E:27:25:55:6B:E1:D1:6B"),
(hashes.SHA256, sha256, "6F:5C:31:60:8F:1F:9E:28:5E:B6:34:3C:7C:8A:F0:7D:E8:1C:1F:B2:14:8B:53:49:BE:C9:06:44:41:44:57:6D")]:
hash_x509 = binascii.hexlify(cert.fingerprint(h())).decode("ascii")
x = h2()
x.update(cert_der)
hash_hashlib = x.hexdigest()
self.assertEqual(hash_x509.lower(), hash_hashlib.lower())
self.assertEqual(hash_x509.lower(), keytool.replace(":", "").lower())
def testAPKv2Signature(self):
from androguard.core.bytecodes.apk import APK
a = APK("examples/signing/TestActivity_signed_both.apk")
self.assertTrue(a.is_signed_v1())
self.assertTrue(a.is_signed_v2())
self.assertTrue(a.is_signed())
# Signing name is maximal 8 chars...
self.assertEqual(a.get_signature_name(), "META-INF/ANDROGUA.RSA")
self.assertEqual(len(a.get_certificates_der_v2()), 1)
# As we signed with the same certificate, both methods should return the
# same content
self.assertEqual(a.get_certificate_der(a.get_signature_name()),
a.get_certificates_der_v2()[0])
from asn1crypto import x509
self.assertIsInstance(a.get_certificates_v2()[0], x509.Certificate)
# Test if the certificate is also the same as on disk
with open("examples/signing/certificate.der", "rb") as f:
cert = f.read()
cert_der_v1 = a.get_certificate_der(a.get_signature_name())
cert_der_v2 = a.get_certificates_der_v2()[0]
for fun in [hashlib.md5, hashlib.sha1, hashlib.sha256, hashlib.sha512]:
h1 = fun(cert).hexdigest()
h2 = fun(cert_der_v1).hexdigest()
h3 = fun(cert_der_v2).hexdigest()
self.assertEqual(h1, h2)
self.assertEqual(h1, h3)
self.assertEqual(h2, h3)
def testAPKCertFingerprint(self):
"""
Test if certificates are correctly unpacked from the SignatureBlock files
Check if fingerprints matches
:return:
"""
from androguard.core.bytecodes.apk import APK
import binascii
from hashlib import md5, sha1, sha256
a = APK("examples/android/TestsAndroguard/bin/TestActivity.apk", skip_analysis=True)
# this one is not signed v2, it is v1 only
self.assertTrue(a.is_signed_v1())
self.assertFalse(a.is_signed_v2())
self.assertTrue(a.is_signed())
self.assertEqual(a.get_certificates_der_v2(), [])
self.assertEqual(a.get_certificates_v2(), [])
self.assertEqual(a.get_signature_name(), "META-INF/CERT.RSA")
self.assertEqual(a.get_signature_names(), ["META-INF/CERT.RSA"])
cert = a.get_certificate(a.get_signature_name())
cert_der = a.get_certificate_der(a.get_signature_name())
# Keytool are the hashes collected by keytool -printcert -file CERT.RSA
for h2, keytool in [(md5, "99:FF:FC:37:D3:64:87:DD:BA:AB:F1:7F:94:59:89:B5"),
(sha1, "1E:0B:E4:01:F9:34:60:E0:8D:89:A3:EF:6E:27:25:55:6B:E1:D1:6B"),
(sha256, "6F:5C:31:60:8F:1F:9E:28:5E:B6:34:3C:7C:8A:F0:7D:E8:1C:1F:B2:14:8B:53:49:BE:C9:06:44:41:44:57:6D")]:
x = h2()
x.update(cert_der)
hash_hashlib = x.hexdigest()
self.assertEqual(hash_hashlib.lower(), keytool.replace(":", "").lower())
def testAPKCertFingerprint(self):
"""
Test if certificates are correctly unpacked from the SignatureBlock files
Check if fingerprints matches
:return:
"""
from androguard.core.bytecodes.apk import APK
import binascii
from cryptography.hazmat.primitives import hashes
from hashlib import md5, sha1, sha256
a = APK("examples/android/TestsAndroguard/bin/TestActivity.apk",
skip_analysis=True)
cert = a.get_certificate(a.get_signature_name())
cert_der = a.get_certificate_der(a.get_signature_name())
# Keytool are the hashes collected by keytool -printcert -file CERT.RSA
for h, h2, keytool in [
(hashes.MD5, md5,
"99:FF:FC:37:D3:64:87:DD:BA:AB:F1:7F:94:59:89:B5"),
(hashes.SHA1, sha1,
"1E:0B:E4:01:F9:34:60:E0:8D:89:A3:EF:6E:27:25:55:6B:E1:D1:6B"),
(hashes.SHA256, sha256,
"6F:5C:31:60:8F:1F:9E:28:5E:B6:34:3C:7C:8A:F0:7D:E8:1C:1F:B2:14:8B:53:49:BE:C9:06:44:41:44:57:6D"
)
]:
hash_x509 = binascii.hexlify(cert.fingerprint(h())).decode("ascii")
x = h2()
x.update(cert_der)
hash_hashlib = x.hexdigest()
self.assertEqual(hash_x509.lower(), hash_hashlib.lower())
self.assertEqual(hash_x509.lower(),
keytool.replace(":", "").lower())
def testAPKCert(self):
"""
Test if certificates are correctly unpacked from the SignatureBlock files
:return:
"""
from androguard.core.bytecodes.apk import APK
import binascii
a = APK("examples/android/TestsAndroguard/bin/TestActivity.apk", skip_analysis=True)
cert = a.get_certificate_der(a.get_signature_name())
expected = "308201E53082014EA00302010202045114FECF300D06092A864886F70D010105" \
"05003037310B30090603550406130255533110300E060355040A1307416E6472" \
"6F6964311630140603550403130D416E64726F6964204465627567301E170D31" \
"33303230383133333430375A170D3433303230313133333430375A3037310B30" \
"090603550406130255533110300E060355040A1307416E64726F696431163014" \
"0603550403130D416E64726F696420446562756730819F300D06092A864886F7" \
"0D010101050003818D00308189028181009903975EC93F0F3CCB54BD1A415ECF" \
"3505993715B8B9787F321104ACC7397D186F01201341BCC5771BB28695318E00" \
"6E47C888D3C7EE9D952FF04DF06EDAB1B511F51AACDCD02E0ECF5AA7EC6B51BA" \
"08C601074CF2DA579BD35054E4F77BAAAAF0AA67C33C1F1C3EEE05B5862952C0" \
"888D39179C0EDD785BA4F47FB7DF5D5F030203010001300D06092A864886F70D" \
"0101050500038181006B571D685D41E77744F5ED20822AE1A14199811CE649BB" \
"B29248EB2F3CC7FB70F184C2A3D17C4F86B884FCA57EEB289ECB5964A1DDBCBD" \
"FCFC60C6B7A33D189927845067C76ED29B42D7F2C7F6E2389A4BC009C01041A3" \
"6E666D76D1D66467416E68659D731DC7328CB4C2E989CF59BB6D2D2756FDE7F2" \
"B3FB733EBB4C00FD3B"
self.assertEqual(binascii.hexlify(cert).decode("ascii").upper(), expected)
def testAPKCert(self):
"""
Test if certificates are correctly unpacked from the SignatureBlock files
:return:
"""
from androguard.core.bytecodes.apk import APK
import binascii
a = APK("examples/android/TestsAndroguard/bin/TestActivity.apk", skip_analysis=True)
cert = a.get_certificate_der(a.get_signature_name())
expected = "308201E53082014EA00302010202045114FECF300D06092A864886F70D010105" \
"05003037310B30090603550406130255533110300E060355040A1307416E6472" \
"6F6964311630140603550403130D416E64726F6964204465627567301E170D31" \
"33303230383133333430375A170D3433303230313133333430375A3037310B30" \
"090603550406130255533110300E060355040A1307416E64726F696431163014" \
"0603550403130D416E64726F696420446562756730819F300D06092A864886F7" \
"0D010101050003818D00308189028181009903975EC93F0F3CCB54BD1A415ECF" \
"3505993715B8B9787F321104ACC7397D186F01201341BCC5771BB28695318E00" \
"6E47C888D3C7EE9D952FF04DF06EDAB1B511F51AACDCD02E0ECF5AA7EC6B51BA" \
"08C601074CF2DA579BD35054E4F77BAAAAF0AA67C33C1F1C3EEE05B5862952C0" \
"888D39179C0EDD785BA4F47FB7DF5D5F030203010001300D06092A864886F70D" \
"0101050500038181006B571D685D41E77744F5ED20822AE1A14199811CE649BB" \
"B29248EB2F3CC7FB70F184C2A3D17C4F86B884FCA57EEB289ECB5964A1DDBCBD" \
"FCFC60C6B7A33D189927845067C76ED29B42D7F2C7F6E2389A4BC009C01041A3" \
"6E666D76D1D66467416E68659D731DC7328CB4C2E989CF59BB6D2D2756FDE7F2" \
"B3FB733EBB4C00FD3B"
self.assertEqual(binascii.hexlify(cert).decode("ascii").upper(), expected)
