>>> import base64

>>> import struct

 

>>> lif = """UZ2c7xT77/9BygbMO0cf8CM9VG1gdIywuAHhAjqn9rIxvyeP15rvdGjLGEzcaxYhANuJX1np0X25fTEyK8X3CU5r/f2NaEUPqq8g

gwLb0AKenTv2/d6Q9njQExlKvhwHFDQXoPLg0Ak7fc/8GhzZu8Pxq0biHmg82ToBYI4WTTdDENQNuFzzSwiqabadsq163iKfuVIb

7qg5DAIoihMb1NHNSRYypkIM6cmZbFoWh4mBFgN5Al0/H5n3oDUqJhq1MY4t39JouPhJ0EXW3J6vEsneum6mnMROyJPNfcrFx9SR

tjeRZrB1crnOk2Bbcm7cQMiDOEIYKipYJw34YHRf5fCKRg5Ojhnoi2Q7bbis0ZAjBadl4a90ert/tGxUuKgvV2wn//q4KYxq1Cpx

6xvENAdpQnSIJfliUHUgOfm3/ML0mJSCXzY0psoI2E12nDXdDhNhFTVAcGRJO58xenxu2iHvpMH/DkbdG87SfCl/Rmz4pgJ68w1E

aN/2XHDg3VG0OMI9JsFEWA/M+RQ6ohMj9yJ/NiZug3ChW4x26/gQjLuyzVMEXJWuPPmFmmvcbc2Vg+5CNSkpcU24F8HcLmeP+WFu

i8d77K99Dl3oCsNoUmQaXbNzHEpwhkThXewmo9a+lHsHCAoswUZs6Q5ukxmrMZbMzW4IVtwmITeQ/j+O+LC4HZf3OHGf6LJoYXS4

D0IDLa/KcffMAXPi6cIIqT6nV/eH1g6kYzPde7eir8eoNbr+8QMXhKdBVRtzs/WgPbvmN4gWjlYgdYCI+MsEeJghBzxHX1V7fxOz

Bh+V1vunRbXQhOsX1dzHHMkKaiwHdzRWYKzr6BetVAkeJEyu7R1hG4aSlmFmCbZDTruY1rs/YckgqwQcYMgIMz3GK0M5vPUE2c5X

VPy/bIzrbpYGT+IbNoIv6GsOKYFL2xo253PxdOh8JX7+4uc8UhwCXcb1bMu8lLo9Fc1M0weNK2Gh+sGHgqCq4XJCOH/ImfVS+cDa

ml10fCyFc+an0GB7EwRaZTs7wW4Ic0fN9BwOq/sqCr7QBZCWRJ/kJGnzun1GbFqY9kRhqj0QmLZsFFSOLyjfQ35QAaFlVIIn5tkw

MLaqlZtrQISWsSa75pnWCpL2DvtPT3UKrYJ8e4ObLZB7W4Ho/AKAw4JDa4lykbXtaI19cm2OZMHU+fgG1x9AW0s2tKo+8Ilc76Un

FdVPYoIBcOnSZ2s8KbqdnCQ0Qx+vyaJZKctQ1OEACXlnQsky6Mazlmp8mfmBNfVfAfd9DpiL/rwv7FERPmGpT9QEuUNIpUeFIW1o

NODjIAm5GosMJk+mfFtKm3qelVl9c5mEpPchK/4bpWg2cVKj+GhXwdRkDSFOaS1PnM3Jncz4PXve+chit5uvXrtx1brD9E9S2F3c

Ysjd9GdsTezaSUcKQrXD3hb2uHovIDSVOVjiYHvPuzepnwXkYmLClG2o0EkuEjb5pcVmxLuKARYJzvkn3x07abrpTPqJLVnh/MT2

VrhdIwgnYJyZ6DvFHi0I/T+pe8Vv1WOc7cNrmfl+AXeQh3dWnq2fpAmPvB2Ypv0RQdIe3VcCK3Zri7oAbc52QqngonerSGz6+154

WAo5xw"""

>>> timestamp = 1603805169

 

>>> base64_dec_data = base64.b64decode(lif.ljust(( len (lif) + 3 ) / / 4 * 4 , "=" ))     

 

>>> asn1_data = b''

>>> for i in range ( 0 , len (base64_dec_data) / / 4 ):

>>>     asn1_data + = struct.pack( "I" , struct.unpack( "I" , base64_dec_data[i * 4 :i * 4 + 4 ])[ 0 ] ^ timestamp)

>>>     timestamp = ( 0x5917 * timestamp + 0x4A6B ) % 0x100000000

 

>>> if (( len (base64_dec_data) % 4 ) ! = 0 ):

>>>     asn1_data + = base64_dec_data[ - ( len (base64_dec_data) % 4 ):]

 

>>> print (asn1_data. hex ())

 

>>> 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

- - Wibu - File .asn1

WIBU - FILE DEFINITIONS :: = BEGIN

Wibu - File :: = CHOICE

{

     signed[ 0 ] IMPLICIT Wibu - File - Signed,

     envelope[ 1 ] IMPLICIT Wibu - File - Enveloped

}

Wibu - File - Signed :: = SEQUENCE

{

     contentType ContentType,

     content[ 0 ] EXPLICIT SignedData

}

ContentType :: = OBJECT IDENTIFIER

SignedData :: = SEQUENCE

{

     version VersionPKCS7,

     digestAlgorithms DigestAlgorithmIdentifiers,

     contentInfo ContentInfo,

     certificates[ 0 ] IMPLICIT ExtendedCertificatesAndCertificates OPTIONAL,

     crls[ 1 ] IMPLICIT CertificateRevocationLists OPTIONAL,

     signerInfos SignerInfos

}

VersionPKCS7 :: = INTEGER

DigestAlgorithmIdentifiers :: = SET OF DigestAlgorithmIdentifier

DigestAlgorithmIdentifier :: = SEQUENCE OF OBJECT IDENTIFIER

ContentInfo :: = SEQUENCE

{

     contentType ContentType,

     content[ 0 ] EXPLICIT ANY OPTIONAL

}

ExtendedCertificatesAndCertificates :: = SET OF ExtendedCertificateOrCertificate

ExtendedCertificateOrCertificate :: = ANY

CertificateRevocationLists :: = SET

{

     dummy INTEGER

}

 

SignerInfos :: = SET OF SignerInfo

SignerInfo :: = SEQUENCE

{

     version VersionPKCS7,

     signerIdentifier SignerIdentifier,

     digestAlgorithm DigestAlgorithmIdentifier,

     authenticatedAttributes[ 0 ] IMPLICIT Attributes OPTIONAL,

     digestEncryptionAlgorithm DigestEncryptionAlgorithmIdentifier,

     encryptedDigest EncryptedDigest,

     unauthenticatedAttributes[ 1 ] IMPLICIT Attributes OPTIONAL

}

SignerIdentifier :: = CHOICE

{

     subjectKeyIdentifier[ 2 ] IMPLICIT SubjectKeyIdentifier

}

SubjectKeyIdentifier :: = OCTET STRING

 

Attributes :: = SET OF Attribute7

Attribute7 :: = SEQUENCE

{

     type OBJECT IDENTIFIER,

     values Values,

     valuesWithContext ValuesWithContext OPTIONAL

}

Values :: = SET OF ANY

ValuesWithContext :: = SET OF ANY

DigestEncryptionAlgorithmIdentifier :: = SEQUENCE OF OBJECT IDENTIFIER

EncryptedDigest :: = OCTET STRING

Wibu - File - Enveloped :: = SEQUENCE

{

     contentType ContentType,

     content[ 0 ] EXPLICIT EnvelopedData

}

EnvelopedData :: = SEQUENCE

{

     version VersionPKCS7,

     recipientInfos RecipientInfos,

     encryptedContentInfo EncryptedContentInfo

}

RecipientInfos :: = SET OF RecipientInfo

RecipientInfo :: = SEQUENCE

{

     version VersionPKCS7,

     signerIdentifier SignerIdentifier,

     keyEncryptionAlgorithm KeyEncryptionAlgorithmIdentifier,

     encryptedKey EncryptedKey

}

KeyEncryptionAlgorithmIdentifier :: = SEQUENCE OF OBJECT IDENTIFIER

EncryptedKey :: = OCTET STRING

EncryptedContentInfo :: = SEQUENCE

{

     contentType ContentType,

     contentEncryptionAlgorithm ContentEncryptionAlgorithmIdentifier,

     encryptedContent[ 0 ] IMPLICIT EncryptedContent OPTIONAL

}

ContentEncryptionAlgorithmIdentifier :: = SEQUENCE OF OBJECT IDENTIFIER

EncryptedContent :: = OCTET STRING

 

END

>>> import asn1tools

>>> import datetime

>>> def write_line(fd, level, line):

>>>     if (line ! = ""):

>>>         if (fd = = None ):

>>>             print ( " " * level + line, end = "")

>>>             pass

>>>         else :

>>>             fd.write( " " * level + line)

>>>

>>> def print_asn1_data(data, fd = None , level = 0 ):

>>>     if ( type (data) = = tuple ):

>>>         key = data[ 0 ]

>>>         val = data[ 1 ]

>>>        

>>>         if ( type (key) = = bytes or type (key) = = bytearray):

>>>             print_asn1_data(key, fd, level + 2 )

>>>         else :

>>>             if ( type (val) = = dict or ( type (val) = = tuple and type (val[ 0 ]) = = str ) or type (val) = = list ):

>>>                 write_line(fd, level, "<%s>\n" % key)

>>>             else :

>>>                 write_line(fd, level, "<%s> " % key)

>>>             print_asn1_data(val, fd, level + 2 )

>>>             if ( type (val) = = dict or ( type (val) = = tuple and type (val[ 0 ]) = = str ) or type (val) = = list ):

>>>                 write_line(fd, level, "</%s>\n" % key)

>>>             else :

>>>                 write_line(fd, 0 , " </%s>\n" % key)

>>>     elif ( type (data) = = dict ):

>>>         for key, val in data.items():

>>>             if ( type (val) = = dict or ( type (val) = = tuple and type (val[ 0 ]) = = str ) or type (val) = = list ):

>>>                 write_line(fd, level, "<%s>\n" % key)

>>>             else :

>>>                 write_line(fd, level, "<%s> " % key)

>>>             print_asn1_data(val, fd, level + 2 )

>>>             if ( type (val) = = dict or ( type (val) = = tuple and type (val[ 0 ]) = = str ) or type (val) = = list ):

>>>                 write_line(fd, level, "</%s>\n" % key)

>>>             else :

>>>                 write_line(fd, 0 , " </%s>\n" % key)

>>>     elif ( type (data) = = list ):

>>>         cnt = 0

>>>         for val in data:

>>>             if ( type (val) = = dict or ( type (val) = = tuple and type (val[ 0 ]) = = str ) or type (val) = = list ):

>>>                 write_line(fd, level, "<%d>\n" % cnt)

>>>             else :

>>>                 write_line(fd, level, "<%d> " % cnt)

>>>             print_asn1_data(val, fd, level + 2 )

>>>             if ( type (val) = = dict or ( type (val) = = tuple and type (val[ 0 ]) = = str ) or type (val) = = list ):

>>>                 write_line(fd, level, "</%d>\n" % cnt)

>>>             else :

>>>                 write_line(fd, 0 , " </%d>\n" % cnt)

>>>             cnt + = 1

>>>     elif ( type (data) = = str ):

>>>         write_line(fd, 0 , "%s" % data)

>>>     elif ( type (data) = = int ):

>>>         write_line(fd, 0 , "%d" % data)

>>>     elif ( type (data) = = bytearray or type (data) = = bytes):

>>>         output = ""

>>>         for b in data:

>>>             output + = "%02X " % b

>>>         output = output.strip()

>>>         write_line(fd, 0 , output)

>>>     elif ( type (data) = = bool ):

>>>         write_line(fd, 0 , "%s" % data)

>>>     elif ( type (data) = = datetime.datetime):

>>>         write_line(fd, 0 , "%s" % data)

>>>     elif (data = = None ):

>>>         write_line(fd, 0 , "NULL" )

>>>     else :

>>>         raise (Exception( "type: %s" % type (data)))

>>> asn1_data = bytes.fromhex( "a08204b006092a864886f70d010702a08204a13082049d020101310d300b06096086480165030402013081db060a2b0601040182db450201a081ccff816481c7ff812137df813508636d626f7870676dff812512df4e020001df54020001df20050000000000ff7a12df4e020001df54020001df20050000000000ff6412df81320500272adc71df8133050027048f5fff7d3ade3054006500720072006100200043006f006e007400610069006e00650072002000760032002e0033002e0031002e003400df720500005b9126ff810828df81140432303031df7f050000000000ff810014ff810410c101ffc101ffc101ffc10100c2020001ff81050adf815b0100df815c0100a08203323082017b30820128a0030201020204b2d05e01300a06082a8648ce3d040302302631153013060355040a0c0c574942552d53595354454d53310d300b06035504030c04526f6f74301e170d3135303130313030303030305a170d3335313233313233353935395a303131153013060355040a0c0c574942552d53595354454d533118301606035504030c0f576962752d50726f64756374696f6e304e301006072a8648ce3d020106052b81040021033a00043237dd50e5a0a5a938e288473613123926b1c2fb115277be218845bda6e014ecf1d199058f77057880ed3cc583f9ef09b9e480d78e30f24a81150078a4685955f6773249e8576c2a5d48fbbbeac6e2821500c68c60c4c5152682205b1f4055a3f82db9a60887a316301430120603551d130101ff040830060101ff020101300a06082a8648ce3d040302034100303e021d00e15df535015975891e7f1ac8f0b17e077cc10e67452746675ae05226021d00b6e5a1abca94d5b8feabc794941007839261f779b4dff4b34b7bc774308201af3082015ea0030201020204b2d064b3300a06082a8648ce3d040302303131153013060355040a0c0c574942552d53595354454d533118301606035504030c0f576962752d50726f64756374696f6e301e170d3135303130313030303030305a170d3335313233313233353935395a30203110300e060355040a0c0736303030393334310c300a06035504030c034c504b304e301006072a8648ce3d020106052b81040021033a00045054299d03a73f13eb24353dbe91e9a68033c3015752813daa0b6b50eb5759440792e97b0a39a29a7338d2b783957b852600c4db373568c9811500c68c60c4c5152682205b1f4055a3f82db9a608878215000bebffd7689a1c9b087a605e4632dba396264292a3523050300f0603551d130101ff04053003010100300f0603551d0f0101ff04050303000f00302c060a2b0601040182db4503010101ff041bff7618df72035b9126ff780fdf815d01ffdf815e01ffdf815f01ff300a06082a8648ce3d040302033f00303c021c34ea5bebadf0701722a15bd0e1d0b07a16162bcccfe4302ff8d7142b021c0911ebf5074936aab9d76b626f7b49359e1eea60c02e5ba2dfd787af3175307302010182140bebffd7689a1c9b087a605e4632dba396264292300b0609608648016503040201300a06082a8648ce3d040302043f303d021c491d0676d5bed1e838774be564a77cdf9b50eb1e6327c53c139a8673021d00e43d0ef8fccd80fdd1573c187095d68c9ebf856da0d7ec0dd99a5443" )

>>> asn1_def = asn1tools.compile_files([ "asn1/Wibu-File.asn1" , "asn1/LIF-Content.asn1" , "asn1/Certificate.asn1" , "asn1/SignerSignature.asn1" ], "der" )

>>>

>>> asn_wibu_f_res = asn1_def.decode( "Wibu-File" , asn1_data)

>>> print_asn1_data(asn_wibu_f_res)

<signed>

   <contentType> 1.2 . 840.113549 . 1.7 . 2 < / contentType>

   <content>

     <version> 1 < / version>

     <digestAlgorithms>

       < 0 >

         < 0 > 2.16 . 840.1 . 101.3 . 4.2 . 1 < / 0 >

       < / 0 >

     < / digestAlgorithms>

     <contentInfo>

       <contentType> 1.3 . 6.1 . 4.1 . 44485.2 . 1 < / contentType>

       <content> FF 81 64 81 C7 FF 81 21 37 DF 81 35 08 63 6D 62 6F 78 70 67 6D FF 81 25 12 DF 4E 02 00 01 DF 54 02 00 01 DF 20 05 00 00 00 00 00 FF 7A 12 DF 4E 02 00 01 DF 54 02 00 01 DF 20 05 00 00 00 00 00 FF 64 12 DF 81 32 05 00 27 2A DC 71 DF 81 33 05 00 27 04 8F 5F FF 7D 3A DE 30 54 00 65 00 72 00 72 00 61 00 20 00 43 00 6F 00 6E 00 74 00 61 00 69 00 6E 00 65 00 72 00 20 00 76 00 32 00 2E 00 33 00 2E 00 31 00 2E 00 34 00 DF 72 05 00 00 5B 91 26 FF 81 08 28 DF 81 14 04 32 30 30 31 DF 7F 05 00 00 00 00 00 FF 81 00 14 FF 81 04 10 C1 01 FF C1 01 FF C1 01 FF C1 01 00 C2 02 00 01 FF 81 05 0A DF 81 5B 01 00 DF 81 5C 01 00 < / content>

     < / contentInfo>

     <certificates>

       < 0 > 30 82 01 7B 30 82 01 28 A0 03 02 01 02 02 04 B2 D0 5E 01 30 0A 06 08 2A 86 48 CE 3D 04 03 02 30 26 31 15 30 13 06 03 55 04 0A 0C 0C 57 49 42 55 2D 53 59 53 54 45 4D 53 31 0D 30 0B 06 03 55 04 03 0C 04 52 6F 6F 74 30 1E 17 0D 31 35 30 31 30 31 30 30 30 30 30 30 5A 17 0D 33 35 31 32 33 31 32 33 35 39 35 39 5A 30 31 31 15 30 13 06 03 55 04 0A 0C 0C 57 49 42 55 2D 53 59 53 54 45 4D 53 31 18 30 16 06 03 55 04 03 0C 0F 57 69 62 75 2D 50 72 6F 64 75 63 74 69 6F 6E 30 4E 30 10 06 07 2A 86 48 CE 3D 02 01 06 05 2B 81 04 00 21 03 3A 00 04 32 37 DD 50 E5 A0 A5 A9 38 E2 88 47 36 13 12 39 26 B1 C2 FB 11 52 77 BE 21 88 45 BD A6 E0 14 EC F1 D1 99 05 8F 77 05 78 80 ED 3C C5 83 F9 EF 09 B9 E4 80 D7 8E 30 F2 4A 81 15 00 78 A4 68 59 55 F6 77 32 49 E8 57 6C 2A 5D 48 FB BB EA C6 E2 82 15 00 C6 8C 60 C4 C5 15 26 82 20 5B 1F 40 55 A3 F8 2D B9 A6 08 87 A3 16 30 14 30 12 06 03 55 1D 13 01 01 FF 04 08 30 06 01 01 FF 02 01 01 30 0A 06 08 2A 86 48 CE 3D 04 03 02 03 41 00 30 3E 02 1D 00 E1 5D F5 35 01 59 75 89 1E 7F 1A C8 F0 B1 7E 07 7C C1 0E 67 45 27 46 67 5A E0 52 26 02 1D 00 B6 E5 A1 AB CA 94 D5 B8 FE AB C7 94 94 10 07 83 92 61 F7 79 B4 DF F4 B3 4B 7B C7 74 < / 0 >

       < 1 > 30 82 01 AF 30 82 01 5E A0 03 02 01 02 02 04 B2 D0 64 B3 30 0A 06 08 2A 86 48 CE 3D 04 03 02 30 31 31 15 30 13 06 03 55 04 0A 0C 0C 57 49 42 55 2D 53 59 53 54 45 4D 53 31 18 30 16 06 03 55 04 03 0C 0F 57 69 62 75 2D 50 72 6F 64 75 63 74 69 6F 6E 30 1E 17 0D 31 35 30 31 30 31 30 30 30 30 30 30 5A 17 0D 33 35 31 32 33 31 32 33 35 39 35 39 5A 30 20 31 10 30 0E 06 03 55 04 0A 0C 07 36 30 30 30 39 33 34 31 0C 30 0A 06 03 55 04 03 0C 03 4C 50 4B 30 4E 30 10 06 07 2A 86 48 CE 3D 02 01 06 05 2B 81 04 00 21 03 3A 00 04 50 54 29 9D 03 A7 3F 13 EB 24 35 3D BE 91 E9 A6 80 33 C3 01 57 52 81 3D AA 0B 6B 50 EB 57 59 44 07 92 E9 7B 0A 39 A2 9A 73 38 D2 B7 83 95 7B 85 26 00 C4 DB 37 35 68 C9 81 15 00 C6 8C 60 C4 C5 15 26 82 20 5B 1F 40 55 A3 F8 2D B9 A6 08 87 82 15 00 0B EB FF D7 68 9A 1C 9B 08 7A 60 5E 46 32 DB A3 96 26 42 92 A3 52 30 50 30 0F 06 03 55 1D 13 01 01 FF 04 05 30 03 01 01 00 30 0F 06 03 55 1D 0F 01 01 FF 04 05 03 03 00 0F 00 30 2C 06 0A 2B 06 01 04 01 82 DB 45 03 01 01 01 FF 04 1B FF 76 18 DF 72 03 5B 91 26 FF 78 0F DF 81 5D 01 FF DF 81 5E 01 FF DF 81 5F 01 FF 30 0A 06 08 2A 86 48 CE 3D 04 03 02 03 3F 00 30 3C 02 1C 34 EA 5B EB AD F0 70 17 22 A1 5B D0 E1 D0 B0 7A 16 16 2B CC CF E4 30 2F F8 D7 14 2B 02 1C 09 11 EB F5 07 49 36 AA B9 D7 6B 62 6F 7B 49 35 9E 1E EA 60 C0 2E 5B A2 DF D7 87 AF < / 1 >

     < / certificates>

     <signerInfos>

       < 0 >

         <version> 1 < / version>

         <signerIdentifier>

           <subjectKeyIdentifier> 0B EB FF D7 68 9A 1C 9B 08 7A 60 5E 46 32 DB A3 96 26 42 92 < / subjectKeyIdentifier>

         < / signerIdentifier>

         <digestAlgorithm>

           < 0 > 2.16 . 840.1 . 101.3 . 4.2 . 1 < / 0 >

         < / digestAlgorithm>

         <digestEncryptionAlgorithm>

           < 0 > 1.2 . 840.10045 . 4.3 . 2 < / 0 >

         < / digestEncryptionAlgorithm>

         <encryptedDigest> 30 3D 02 1C 49 1D 06 76 D5 BE D1 E8 38 77 4B E5 64 A7 7C DF 9B 50 EB 1E 63 27 C5 3C 13 9A 86 73 02 1D 00 E4 3D 0E F8 FC CD 80 FD D1 57 3C 18 70 95 D6 8C 9E BF 85 6D A0 D7 EC 0D D9 9A 54 43 < / encryptedDigest>

       < / 0 >

     < / signerInfos>

   < / content>

< / signed>

- - LIF - Content.asn1

LIF - CONTENT DEFINITIONS :: = BEGIN

 

LIF - Content :: = [PRIVATE 228 ] IMPLICIT SEQUENCE

{

     sw - specs[PRIVATE 161 ] IMPLICIT Software - Specs,

     clocks[PRIVATE 100 ] IMPLICIT Clocks,

     license - description[PRIVATE 125 ] IMPLICIT License - Description,

     binding[PRIVATE 136 ] IMPLICIT Binding - Scheme,

     cmact - options[PRIVATE 133 ] IMPLICIT CmAct - Options,

     mask[PRIVATE 142 ] IMPLICIT Mask OPTIONAL

}

Software - Specs :: = [PRIVATE 161 ] IMPLICIT SEQUENCE

{

     creator - name[PRIVATE 181 ] IMPLICIT UTF8String,

     creator - version[PRIVATE 165 ] IMPLICIT Format - Version,

     required - version[PRIVATE 122 ] IMPLICIT Format - Version

}

Format - Version :: = [PRIVATE 122 ] IMPLICIT SEQUENCE

{

     sfl[PRIVATE 78 ] IMPLICIT UInt8,

     sfh[PRIVATE 84 ] IMPLICIT UInt8,

     feature - flags[PRIVATE 32 ] IMPLICIT UInt32

}

UInt8 :: = [PRIVATE 31 ] IMPLICIT INTEGER

UInt32 :: = [PRIVATE 34 ] IMPLICIT INTEGER

Clocks :: = [PRIVATE 100 ] IMPLICIT SEQUENCE

{

     box - time[PRIVATE 178 ] IMPLICIT Seconds - Since - 2000 ,

     certified - time[PRIVATE 179 ] IMPLICIT Seconds - Since - 2000

}

Seconds - Since - 2000 :: = [PRIVATE 180 ] IMPLICIT INTEGER

License - Description :: = [PRIVATE 125 ] IMPLICIT SEQUENCE

{

     license - description[PRIVATE 30 ] IMPLICIT OCTET STRING, - - BMPString, it does't work well in asn1tools, beacase asn1tools only support utf - 8 , but here is utf - 16

     firm - code[PRIVATE 114 ] IMPLICIT Firm - Code

}

Firm - Code :: = [PRIVATE 114 ] IMPLICIT INTEGER

Binding - Scheme :: = [PRIVATE 136 ] IMPLICIT SEQUENCE

{

     cmact - id [PRIVATE 148 ] IMPLICIT CmAct - ID ,

     telephone - id [PRIVATE 127 ] IMPLICIT Telephone - ID ,

     binding - method[PRIVATE 128 ] EXPLICIT Binding - Method

}

CmAct - ID :: = [PRIVATE 148 ] IMPLICIT IA5String

Telephone - ID :: = [PRIVATE 127 ] IMPLICIT INTEGER

Binding - Method :: = CHOICE

{

     smartbind[PRIVATE 129 ] IMPLICIT SmartBind - Parameters,

     custom - binding[PRIVATE 131 ] IMPLICIT CustomBinding - Parameters,

     dcbn - classic[PRIVATE 132 ] IMPLICIT DCBN - Parameters,

     nonebind[PRIVATE 231 ] IMPLICIT NULL,

     cm - server - ip[PRIVATE 232 ] IMPLICIT NULL,

     serial - number[PRIVATE 233 ] IMPLICIT NULL,

     random[PRIVATE 234 ] IMPLICIT NULL

}

SmartBind - Parameters :: = [PRIVATE 129 ] IMPLICIT SEQUENCE

{

     heuristic[PRIVATE 31 ] IMPLICIT UInt8,

     redundancy - level[PRIVATE 130 ] IMPLICIT Redundancy - Level

}

Redundancy - Level :: = [PRIVATE 130 ] IMPLICIT INTEGER

CustomBinding - Parameters :: = [PRIVATE 131 ] IMPLICIT IA5String

DCBN - Parameters :: = [PRIVATE 132 ] IMPLICIT SEQUENCE

{

     disk[PRIVATE 1 ] IMPLICIT BOOLEAN,

     cpu - type [PRIVATE 1 ] IMPLICIT BOOLEAN,

     board[PRIVATE 1 ] IMPLICIT BOOLEAN,

     network[PRIVATE 1 ] IMPLICIT BOOLEAN,

     tolerance[PRIVATE 2 ] IMPLICIT UInt8 OPTIONAL

}

CmAct - Options :: = [PRIVATE 133 ] IMPLICIT SEQUENCE

{

     allow - vm[PRIVATE 219 ] IMPLICIT BOOLEAN,

     allow - reimport[PRIVATE 220 ] IMPLICIT BOOLEAN

}

Mask :: = [PRIVATE 142 ] IMPLICIT INTEGER

 

END

>>> lif = bytes.fromhex( "FF816481C7FF812137DF813508636D626F7870676DFF812512DF4E020001DF54020001DF20050000000000FF7A12DF4E020001DF54020001DF20050000000000FF6412DF81320500272ADC71DF8133050027048F5FFF7D3ADE3054006500720072006100200043006F006E007400610069006E00650072002000760032002E0033002E0031002E003400DF720500005B9126FF810828DF81140432303031DF7F050000000000FF810014FF810410C101FFC101FFC101FFC10100C2020001FF81050ADF815B0100DF815C0100" )

>>> asn_lif_res = asn1_def.decode( "LIF-Content" , lif)

>>> print_asn1_data(asn_lif_res)

<sw - specs>

   <creator - name> cmboxpgm < / creator - name>

   <creator - version>

     <sfl> 1 < / sfl>

     <sfh> 1 < / sfh>

     <feature - flags> 0 < / feature - flags>

   < / creator - version>

   <required - version>

     <sfl> 1 < / sfl>

     <sfh> 1 < / sfh>

     <feature - flags> 0 < / feature - flags>

   < / required - version>

< / sw - specs>

<clocks>

   <box - time> 657120369 < / box - time>

   <certified - time> 654610271 < / certified - time>

< / clocks>

<license - description>

   <license - description> 54 00 65 00 72 00 72 00 61 00 20 00 43 00 6F 00 6E 00 74 00 61 00 69 00 6E 00 65 00 72 00 20 00 76 00 32 00 2E 00 33 00 2E 00 31 00 2E 00 34 00 < / license - description>

   <firm - code> 6000934 < / firm - code>

< / license - description>

<binding>

   <cmact - id > 2001 < / cmact - id >

   <telephone - id > 0 < / telephone - id >

   <binding - method>

     <dcbn - classic>

       <disk> True < / disk>

       <cpu - type > True < / cpu - type >

       <board> True < / board>

       <network> False < / network>

       <tolerance> 1 < / tolerance>

     < / dcbn - classic>

   < / binding - method>

< / binding>

<cmact - options>

   <allow - vm> False < / allow - vm>

   <allow - reimport> False < / allow - reimport>

< / cmact - options>

- - Certificate.asn1

CERTIFICATE DEFINITIONS :: = BEGIN

Certificate :: = SEQUENCE

{

     tbsCertificate TBSCertificate,

     signatureAlgorithm AlgorithmIdentifier,

     signature BIT STRING

}

TBSCertificate :: = SEQUENCE

{

     version[ 0 ] EXPLICIT Version OPTIONAL,

     serialNumber CertificateSerialNumber,

     signature AlgorithmIdentifier,

     issuer Name,

     validity Validity,

     subject Name,

     subjectPublicKeyInfo SubjectPublicKeyInfo,

     issuerUniqueID[ 1 ] IMPLICIT UniqueIdentifier OPTIONAL,

     subjectUniqueID[ 2 ] IMPLICIT UniqueIdentifier OPTIONAL,

     extensions[ 3 ] EXPLICIT Extensions OPTIONAL

}

Version :: = INTEGER

CertificateSerialNumber :: = INTEGER

AlgorithmIdentifier :: = SEQUENCE

{

     algorithm OBJECT IDENTIFIER,

     parameters ANY OPTIONAL

}

Name :: = CHOICE

{

     rdnSequence RDNSequence

}

RDNSequence :: = SEQUENCE OF RelativeDistinguishedName

RelativeDistinguishedName :: = SET OF AttributeTypeAndValue

AttributeTypeAndValue :: = SEQUENCE

{

     type AttributeType,

     value AttributeValue

}

AttributeType :: = OBJECT IDENTIFIER

AttributeValue :: = UTF8String

 

Validity :: = SEQUENCE

{

     notBefore Time,

     notAfter Time

}

Time :: = CHOICE

{

     utcTime UTCTime,

     generalTime GeneralizedTime

}

SubjectPublicKeyInfo :: = SEQUENCE

{

     algorithm AlgorithmIdentifier,

     subjectPublicKey BIT STRING

}

UniqueIdentifier :: = BIT STRING

Extensions :: = SEQUENCE OF Extension

Extension :: = SEQUENCE

{

     extnID OBJECT IDENTIFIER,

     critical BOOLEAN OPTIONAL,

     extnValue OCTET STRING

}

 

END

- - SignerSignature.asn1

SIGNERSIGNATURE DEFINITIONS :: = BEGIN

SignerSignature :: = SEQUENCE

{

     r INTEGER,

     s INTEGER

}

 

END

>>> cert1 = bytes.fromhex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

>>> cert2 = bytes.fromhex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

>>> asn_cert1_res = asn1_def.decode( "Certificate" , cert1)

>>> asn_cert2_res = asn1_def.decode( "Certificate" , cert2)

>>> print_asn1_data(asn_cert1_res)

<tbsCertificate>

   <version> 2 < / version>

   <serialNumber> - 1294967295 < / serialNumber>

   <signature>

     <algorithm> 1.2 . 840.10045 . 4.3 . 2 < / algorithm>

   < / signature>

   <issuer>

     <rdnSequence>

       < 0 >

         < 0 >

           < type > 2.5 . 4.10 < / type >

           <value> WIBU - SYSTEMS < / value>

         < / 0 >

       < / 0 >

       < 1 >

         < 0 >

           < type > 2.5 . 4.3 < / type >

           <value> Root < / value>

         < / 0 >

       < / 1 >

     < / rdnSequence>

   < / issuer>

   <validity>

     <notBefore>

       <utcTime> 2015 - 01 - 01 00 : 00 : 00 < / utcTime>

     < / notBefore>

     <notAfter>

       <utcTime> 2035 - 12 - 31 23 : 59 : 59 < / utcTime>

     < / notAfter>

   < / validity>

   <subject>

     <rdnSequence>

       < 0 >

         < 0 >

           < type > 2.5 . 4.10 < / type >

           <value> WIBU - SYSTEMS < / value>

         < / 0 >

       < / 0 >

       < 1 >

         < 0 >

           < type > 2.5 . 4.3 < / type >

           <value> Wibu - Production < / value>

         < / 0 >

       < / 1 >

     < / rdnSequence>

   < / subject>

   <subjectPublicKeyInfo>

     <algorithm>

       <algorithm> 1.2 . 840.10045 . 2.1 < / algorithm>

       <parameters> 06 05 2B 81 04 00 21 < / parameters>

     < / algorithm>

     <subjectPublicKey> 04 32 37 DD 50 E5 A0 A5 A9 38 E2 88 47 36 13 12 39 26 B1 C2 FB 11 52 77 BE 21 88 45 BD A6 E0 14 EC F1 D1 99 05 8F 77 05 78 80 ED 3C C5 83 F9 EF 09 B9 E4 80 D7 8E 30 F2 4A < / subjectPublicKey>

   < / subjectPublicKeyInfo>

   <issuerUniqueID> 78 A4 68 59 55 F6 77 32 49 E8 57 6C 2A 5D 48 FB BB EA C6 E2 < / issuerUniqueID>

   <subjectUniqueID> C6 8C 60 C4 C5 15 26 82 20 5B 1F 40 55 A3 F8 2D B9 A6 08 87 < / subjectUniqueID>

   <extensions>

     < 0 >

       <extnID> 2.5 . 29.19 < / extnID>

       <critical> True < / critical>

       <extnValue> 30 06 01 01 FF 02 01 01 < / extnValue>

     < / 0 >

   < / extensions>

< / tbsCertificate>

<signatureAlgorithm>

   <algorithm> 1.2 . 840.10045 . 4.3 . 2 < / algorithm>

< / signatureAlgorithm>

<signature> 30 3E 02 1D 00 E1 5D F5 35 01 59 75 89 1E 7F 1A C8 F0 B1 7E 07 7C C1 0E 67 45 27 46 67 5A E0 52 26 02 1D 00 B6 E5 A1 AB CA 94 D5 B8 FE AB C7 94 94 10 07 83 92 61 F7 79 B4 DF F4 B3 4B 7B C7 74 < / signature>

>>> print_asn1_data(asn_cert2_res)

<tbsCertificate>

   <version> 2 < / version>

   <serialNumber> - 1294965581 < / serialNumber>

   <signature>

     <algorithm> 1.2 . 840.10045 . 4.3 . 2 < / algorithm>

   < / signature>

   <issuer>

     <rdnSequence>

       < 0 >

         < 0 >

           < type > 2.5 . 4.10 < / type >

           <value> WIBU - SYSTEMS < / value>

         < / 0 >

       < / 0 >

       < 1 >

         < 0 >

           < type > 2.5 . 4.3 < / type >

           <value> Wibu - Production < / value>

         < / 0 >

       < / 1 >

     < / rdnSequence>

   < / issuer>

   <validity>

     <notBefore>

       <utcTime> 2015 - 01 - 01 00 : 00 : 00 < / utcTime>

     < / notBefore>

     <notAfter>

       <utcTime> 2035 - 12 - 31 23 : 59 : 59 < / utcTime>

     < / notAfter>

   < / validity>

   <subject>

     <rdnSequence>

       < 0 >

         < 0 >

           < type > 2.5 . 4.10 < / type >

           <value> 6000934 < / value>

         < / 0 >

       < / 0 >

       < 1 >

         < 0 >

           < type > 2.5 . 4.3 < / type >

           <value> LPK < / value>

         < / 0 >

       < / 1 >

     < / rdnSequence>

   < / subject>

   <subjectPublicKeyInfo>

     <algorithm>

       <algorithm> 1.2 . 840.10045 . 2.1 < / algorithm>

       <parameters> 06 05 2B 81 04 00 21 < / parameters>

     < / algorithm>

     <subjectPublicKey> 04 50 54 29 9D 03 A7 3F 13 EB 24 35 3D BE 91 E9 A6 80 33 C3 01 57 52 81 3D AA 0B 6B 50 EB 57 59 44 07 92 E9 7B 0A 39 A2 9A 73 38 D2 B7 83 95 7B 85 26 00 C4 DB 37 35 68 C9 < / subjectPublicKey>

   < / subjectPublicKeyInfo>

   <issuerUniqueID> C6 8C 60 C4 C5 15 26 82 20 5B 1F 40 55 A3 F8 2D B9 A6 08 87 < / issuerUniqueID>

   <subjectUniqueID> 0B EB FF D7 68 9A 1C 9B 08 7A 60 5E 46 32 DB A3 96 26 42 92 < / subjectUniqueID>

   <extensions>

     < 0 >

       <extnID> 2.5 . 29.19 < / extnID>

       <critical> True < / critical>

       <extnValue> 30 03 01 01 00 < / extnValue>

     < / 0 >

     < 1 >

       <extnID> 2.5 . 29.15 < / extnID>

       <critical> True < / critical>

       <extnValue> 03 03 00 0F 00 < / extnValue>

     < / 1 >

     < 2 >

       <extnID> 1.3 . 6.1 . 4.1 . 44485.3 . 1 < / extnID>

       <critical> True < / critical>

       <extnValue> FF 76 18 DF 72 03 5B 91 26 FF 78 0F DF 81 5D 01 FF DF 81 5E 01 FF DF 81 5F 01 FF < / extnValue>

     < / 2 >

   < / extensions>

< / tbsCertificate>

<signatureAlgorithm>

   <algorithm> 1.2 . 840.10045 . 4.3 . 2 < / algorithm>

< / signatureAlgorithm>

<signature> 30 3C 02 1C 34 EA 5B EB AD F0 70 17 22 A1 5B D0 E1 D0 B0 7A 16 16 2B CC CF E4 30 2F F8 D7 14 2B 02 1C 09 11 EB F5 07 49 36 AA B9 D7 6B 62 6F 7B 49 35 9E 1E EA 60 C0 2E 5B A2 DF D7 87 AF < / signature>

>>> import hashlib

>>> import sha256ecdsa

>>> Q = { "x" : 0x5054299D03A73F13EB24353DBE91E9A68033C3015752813DAA0B6B50 , "y" : 0xEB5759440792E97B0A39A29A7338D2B783957B852600C4DB373568C9 }

>>> r = 0x491D0676D5BED1E838774BE564A77CDF9B50EB1E6327C53C139A8673

>>> s = 0xE43D0EF8FCCD80FDD1573C187095D68C9EBF856DA0D7EC0DD99A5443

>>> h = int .from_bytes(hashlib.sha256(lif).digest(), "big" ) >> 32 #ignore low 32bits

>>> print (sha256ecdsa.sha256ecdsa(h, r, s, Q, r))

True