Add 'xlxunprotect-python3.py'
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""" Tool for removing IEEE-P1735 vhdl and verilog content protection """
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from __future__ import division, print_function, absolute_import # unicode_literals
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import sys
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import re
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import struct
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from binascii import b2a_hex, a2b_hex, a2b_uu
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from Crypto.Cipher import AES, DES
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from Crypto.Util import Counter
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import zlib
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import argparse
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import platform
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if platform.python_version() < '3.0':
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from StringIO import StringIO
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else:
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from io import StringIO
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from base64 import b64decode
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def uudecode(data):
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dec = ""
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for line in data.split("\n"):
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dec += a2b_uu(line)
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return dec
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keys = {
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"15": {"key":"93B5313FBB924FC9A57F40CBECE9EA3F41A6916E5BBC4AD8931F003C613BF934", "iv":"1C9C5CFB776F42EC8970FB3918D67B43"},
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# "16"
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# "17"
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# "1Y"
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# 32DB, 33EB, 34EB, 35EB, 36EB, 37EB, 37DB
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# 30
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# .. these keys are in the binary, but don't seem to be used.
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# "32":{"key":"886592C2B46F3CD6", "iv":"E78437FD7C4503F3"},
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# "33":{"key":"7EB0C67E6B9B81E4", "iv":"FB744BDFFBAEE2B6"},
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# "34":{"key":"2990DC694EF16DC9", "iv":"567DFFD0706FE1AB"},
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# "35":{"key":"94FED660DE79DD61", "iv":"BFA101DDDECD319A"},
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# "36":{"key":"1CF07C2287EBE145", "iv":"7284567847970F9F"},
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"37":{"key":"278D7318A95839DF", "iv":"0D9B9E4FB62AF137"},
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# 9E5C257AF9954B05 F6D554BCDFF4BD32
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# 38EB
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"38": {"key": "F143CB05DA5FE26A", "iv": "0D9B9E4FB62AF137"},
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# 43
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"50": {"key": "B0E430FB8E024FB4AC0732270D9C3A88", "iv": "2C7F9EEBAE5D40BB8F6BC0B5EF240526"},
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"51": {"key": "8C700049CF544C24A7ABDBC0E896C4D1", "iv": "6D815F2526BAF48AB26519155E45AA49"},
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"60": {"key": "C145AF345F87526C233ADBC875051993A549C46663518B0859E35C1469DDA49D", "iv": "6F4A2505AD8367A4535ECE74D6438EA6"},
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"61": {"key": "2B3B4291844844DEA978A5175A7A8611BA8CFCF39DE54295B778CA7B29A0E537", "iv": "E9029FB591804136B858EFBE07A55729"},
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"62": {"key": "0DE4DDBC43D64F488DC9CE26D5161FA09E0EB0979DD34E4C8E8BB82B71BC9AEB", "iv": "D9A3D631B46BC3AA232219577DA16C48"},
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"64": {"key": "57D2680C0AD24BD38CFC2F0842DA67E5791207B8178042918DD7FC23B284D13A", "iv": "18C9FBCE90144BE997F910FA993FE28F"},
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"65": {"key": "581F4AA947971B02C9B76860BF153E027C0D9257937ABE03853FE928CADC6642", "iv": "4FF0F201813FBEAFA62AACDD88222910"},
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"80": {"key": "030E0F5C4123594F", "iv": "43A25FFF66954813"},
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# "H1"
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# "HY" -- keys are encoded in the header.
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# these formats i have not yet decoded:
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# "HL"
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# "c1"
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# "D0" - 'debug'
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}
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# decode hex values in key dictionary
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for val in keys.values():
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val["key"] = a2b_hex(val["key"])
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val["iv"] = a2b_hex(val["iv"])
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class empty: pass
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def parseheader(data):
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if not data:
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return
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m = re.match(r'^XlxV(\d\d|H[LXY]|c1|D0)([ADE][ABM])([ 0-9a-f]{7}[0-9a-f])([ 0-9a-f]{7}[0-9a-f])$', data)
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if not m:
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return
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obj = empty()
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obj.version = m.group(1)
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obj.encoding = m.group(2)
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obj.fullsize = int(m.group(3), 16)
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obj.compsize = int(m.group(4), 16)
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return obj
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def strip_padding(data):
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n = ord(data[-1])
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if 1 <= n <= 16 and data[-n:] == chr(n) * n:
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return data[:-n]
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return data
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def cbcdecrypt(data, keyiv):
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blksize = len(keyiv["iv"])
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keysize = len(keyiv["key"])
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datsize = len(data)
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if keysize == 8:
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cipher = DES
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else:
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cipher = AES
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C = cipher.new(keyiv["key"], cipher.MODE_CBC, IV=keyiv["iv"])
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padding = datsize % blksize
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plain = ""
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for o in xrange(0, datsize-padding, blksize):
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plain += C.decrypt(data[o:o+blksize])
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return plain
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# for HY
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def gethword(data, o):
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value, = struct.unpack_from("<H", data, o)
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return value, o+2
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# for HY
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def gethybytes(data, o):
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len, o = gethword(data, o)
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return data[o:o+len], o+len
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# for c1
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def getdword(data, o):
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value, = struct.unpack_from("<L", data, o)
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return value, o+4
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# for c1
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def getc1bytes(data, o):
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len, o = getdword(data, o)
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return data[o:o+len], o+len
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##########################################################################################
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# keys for begin_protected sections, obtained by reverse engineering various binaries.
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rsa3072 = empty()
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rsa3072.m = 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rsa3072.e = 0x03
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rsa3072.d = 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rsa3072.name = "rsa3072"
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# ISE 13.1 key ( april 2011 )
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rsa2048 = empty()
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rsa2048.m = 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rsa2048.e = 0x03
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rsa2048.d = 0x9544181cb64f7345576afeccb6154e25e935b22eafb326d0d759544cb69f20cc613a02cafb26af463c895ccfbe3ce1df9af8aa2746ebc2ec6ab050bb12151467d45fa8ec1d0671e1460f53f882bf11246097e0e8bff23360893f540b158ea65bbca85b5011522de226e6389e2e8a6072c54b9e9f3963bdad9902b54b17f742404ae9ef667880e3c5cc1860313a7f595994d905e018efd0a4e65999fbac9f8edef836c7acbfc2effd2a385f92b13c959bbe731fc19013619a33497a73c671867cff08c721973c1d003f9ef3062a13e3c0940096b9dde97c21de370e7eb2701ddc4b39ab1f812ae82e3eb53153c59478acadb20583e85ea3e8814fac9feb473003
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rsa2048.name = "rsa2048-13.1"
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# ISE 14.7
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rsa_2013_09 = empty()
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rsa_2013_09.m = 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rsa_2013_09.e = 0x10001
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rsa_2013_09.d = 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rsa_2013_09.name = "rsa2013-09-14.7"
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# either nov 2014, or vivado 2014.1 ??
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rsa_2014_03 = empty()
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rsa_2014_03.m = 0xb31bb84c5138a0f8c01cad9202f41f851d2b1925a5cc366afedcc327d3d68ae559e3aa92226898b6ecd6d785570625cb57ad608db133ad834c4bf38e7ca51fce3f3e1b6e4d59349f8a4523874d8a5c800c2e652c66661525c5b9a0bc8eaf183d2304c4ac0c0539d29f7462de788ea5772ce743cd8e8a7979a6210e1e28b3c2c4c3211b48ac1cae49f89597ba7f42c924aa987664683cedd2e9945798cdcbcee1106c1d7728673394989eb195fbe026a60c472f9c8b780573f7c3f2a39895d906ffbcf17d10d855bd2946e3736926174db5ffa8a76c3b92d8548bfc2bf9ae4e49301f3e58d8a53a77fccefbcaeaa29db684623b17484abb57005965806bf68d03
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rsa_2014_03.e = 0x10001
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rsa_2014_03.d = 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rsa_2014_03.name = "rsa2014-03"
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rsa_2015_12 = empty()
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rsa_2015_12.m = 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rsa_2015_12.e = 0x10001
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rsa_2015_12.d = 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rsa_2015_12.name = "rsa2015-12"
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rsa_2016_05 = empty()
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rsa_2016_05.m = 0xc5984d9a8d6570aa4b60f038bd7548b21863f70aae3ff8eac0d2b65d015890ea24a37bbb715bac115e74d12643912739a16ed727ac46eddb65ad0ba1e63c9535a2abc95785a305dfd8b4d1b5e6e84351ecac244809da51faac94f49060f25452ecb85aa89ab4af511e149e96f31a1f8a8f60804bdd5af3c61a966ed21bff7f292e4567af0c20b9213731d8678778710aa44b2aa8118c50e132bfe31145dce9a5a900225741d8c4467f6089a82d8ba6d71dc6bcb43d00d01e60acad08bb5710c674f429f62abe7baafec174aa25beebcb315c1d7208e0de0895a66c0689802c2567b01c4bcb1d6294a597b1dc0e487d081f51234cb22ac52c76a4905f90546bc5
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rsa_2016_05.e = 0x10001
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rsa_2016_05.d = 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rsa_2016_05.name = "xilinx_2016_05"
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rsa3072_2016_09 = empty()
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rsa3072_2016_09.m = 0
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rsa3072_2016_09.e = 0
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rsa3072_2016_09.d = 0
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rsa3072_2016_09.name = "xilinx_3072_2016_09"
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rsa_2017_01 = empty()
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rsa_2017_01.m=0xbb7f187db03c238267c2e0d59c3526993770f2809cf9c34fc8b46ca64b9e4f19addb17b1bae08cf876bb220a6eb505ed8f12c4e4957eb96daa252b9a85e71f83c5c01bb9a02c0a3afe1b8c79afe6f6030311b7ff3e236e335948dfb292ed020b4fa3d754d880764c610c34d3aae3360de6baae7dc90ab0e4a2a6dff166bc5df6628194337211f49f30afb725994ca4c5dccee1e8647c274fbf60523c2491baa746f0cb0d1aaa05c2238eda64eb7c3ea20e96617107b29c312baafe0cf1289f995603303b3ccdd45eae4005bea964022e5267a56c7af76d49246f0fc3e5ba3c22d967cbb92ef83ba6652ac19e405671e4ea29545994f2badcc9f55699e12ff8c1
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rsa_2017_01.e=0x10001
|
||||
rsa_2017_01.d=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
|
||||
|
||||
rsa_hybrid1 = empty()
|
||||
rsa_hybrid1.m = 0xd8239eeba1b99d75422a086a36aa45639d61c47c3756698845f26cafb864a22a2c010a32b3eb0ac48001e917571d5b88c6bbf118267a3f19cfea1e703e25c0cd169ac1194d005d5f311eba2c0af8da5c8a134b
|
||||
rsa_hybrid1.e = 0x10001
|
||||
rsa_hybrid1.name = "xilinx_hybrid1"
|
||||
|
||||
rsa_hybrid1_3k = empty()
|
||||
rsa_hybrid1_3k.m = 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
|
||||
rsa_hybrid1_3k.e = 0x10001
|
||||
rsa_hybrid1_3k.d = 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
|
||||
rsa_hybrid1_3k.name = "xilinx_hybrid1_3k"
|
||||
|
||||
rsa_2016_09 = empty()
|
||||
rsa_2016_09.m = 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
|
||||
rsa_2016_09.e = 0x10001
|
||||
rsa_2016_09.d = 0x7332b91739c1668d02d0c85f63f768b8693f9cabe00aac80b757385a87db0b1b930c92d4e754150f1a72ea3b48711b42513a068c2aa5e94fe6a30fca1f359c07334f143059fc21c804b42de21f8ef7436f4c4d77ce35e93ff524b5c9fdac23c61b1d6903a3824c6b9453e9ea8c4bba004835bc7b4b7b5c1965cace4076de4298cf8a0a8f8980086eece9329162434473914658ec18ff7e4cac18269ccf7f4cb055bd4109e844b925034c4a8e6ecf1e36e6e5314d90909887ffaef6f69eaed33b236ca739cb9a074b3618eea66bbbe8f8ed00af750882ff74070f6746beb4652c7b2cee08f14bb16ebef28cbf41312410a9a1d352708ca5086deeef08d6d10531
|
||||
rsa_2016_09.name = "xilinx_2016_09"
|
||||
|
||||
|
||||
# altera - MGC-DVT-MTI
|
||||
alterakey = empty()
|
||||
alterakey.m = 0xb7f12cd1f2eeb1c3530a44340fad93b240c017203fbf9414cdec39766e5db9fbeb5b294710915328e999029edd5667fc13db65fb23969391a827eafa405d1f17401bb7b1a9fe72156e967af6a754317b51959b9b6de230a009faf405635f1d758bc04d3205747dfb3bda6ad0966f45a94b550de5eaa87c88ac9fc1e3d93a0e75
|
||||
alterakey.e = 0x010001
|
||||
alterakey.d = 0x291876fd091b8f17a68bdaa50f03a6c5e27588352a48f11a9ccf341f639509226178e286000b97dac225ef51f2fd8509ea9dcff10608743bcca7ee75aebf9f5c3f0e89075f59d1c44dbe06e304027e98c8bb9e3d3904d6591234508ce711942458026066dc0b134ac58c777210ac55663884dd4ef01ed0f9113bf0f516482bd9
|
||||
alterakey.name = "altera"
|
||||
|
||||
# Mentor Graphics Corporation
|
||||
mentor1key = empty()
|
||||
mentor1key.m = 0xa725f41bf8b2f34cc5f7351011b2fec0f3e2d5e5280c1090af21ff5389fd9e9a2e33d2ab69f04fa75fb405ce8713942942e8372adaa22f109729a948134c3fa627a82b25227e478031c4282f1d8530a13f345ecd10811aa4ac66315b54549cd05c266e1950b7b1633f3def63a3eab43df67e5ed640dafde05cb33309c8e91c19
|
||||
mentor1key.e = 0x010001
|
||||
mentor1key.d = 0x23e1d4eeb04c1248f7f2a2d4894828c25958e7dc22e5bc24a3442420d5edb93f960d8ffb3669dd5fabfee4843aa12c5c533db0a2257f4da53d1e3775fe968ecf0ebf5f45de9e59dcb201d18f0916143c7c5cfbfe77ddf8483ceecd9434bfd2adc427a6265572a52e7b5d363f6af6e37f144a660c675fcc2f8a7bb4005b859b51
|
||||
mentor1key.name = "MGC-VERIF-SIM-RSA-1"
|
||||
|
||||
# mentor graphics MGC-VERIF-SIM-RSA-2
|
||||
# TODO: i found several with that name but for a longer key
|
||||
mentor2key = empty()
|
||||
mentor2key.m = 0xd9f0a71e863d43ba3c3f9a3ee1e219419d40df477cf0d1c6dd52baae046e8d2ce5f95a425f110eb8b97979fa019f94de1991348bc3aff1d4568f938a070318c59a51036a93be6cbe7d9bbfe1023331fd6e11d0e26e36b10633a378c650b43bd8e3207833a2f4a6ff6a92a6f30530113ac00463ddc4989041ba6af647e8d7ad15
|
||||
mentor2key.e = 0x010001
|
||||
mentor2key.d = 0x4ed3941e9e3f1a7809c2976f9713c83ecb39e3885fd05a8fab0d7927e7c2749d80b0a7ccc9c5c9a556b07145d3c07c7fb88fa489c8c5a29a4294bbb078c8cdf43fe14f3536f97b91f737ef709eb61411e2578de2bfbc8f2548707b74511469167c285fa8ebf2007a730bfb121e602c10e0ce5f3dc90b88f0e62f1e4d0e70aa21
|
||||
mentor2key.name = "mentor2"
|
||||
|
||||
|
||||
mentorpreckey = empty()
|
||||
mentorpreckey.m = 0 # 2048 bits
|
||||
mentorpreckey.e = 0
|
||||
mentorpreckey.d = 0
|
||||
mentorpreckey.name = "MGC-PREC-RSA" # Mentor Graphics Corporation
|
||||
|
||||
aldec15key = empty()
|
||||
aldec15key.m = 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
|
||||
aldec15key.e = 0x10001
|
||||
aldec15key.d = 0 # todo
|
||||
aldec15key.name = "ALDEC15_001" #ALdec
|
||||
|
||||
aldec08key = empty()
|
||||
aldec08key.m = 0 # 2048 bits
|
||||
aldec08key.e = 0
|
||||
aldec08key.d = 0 # todo
|
||||
aldec08key.name = "ALDEC08_001" #ALdec
|
||||
|
||||
|
||||
vcs001key = empty()
|
||||
vcs001key.m = 0 # 2048 bits
|
||||
vcs001key.e = 0
|
||||
vcs001key.d = 0 # todo
|
||||
vcs001key.name = "VCS001" # altera
|
||||
|
||||
# CDS_KEY, Cadence Design Systems
|
||||
|
||||
microkey = empty()
|
||||
microkey.m = 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
|
||||
microkey.e = 0x10001
|
||||
microkey.d = 0 # todo
|
||||
microkey.name = "MSC-IP-KEY-RSA" # Microsemi Corporation
|
||||
|
||||
syn05key = empty()
|
||||
syn05key.m = 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
|
||||
syn05key.e = 0x10001
|
||||
syn05key.d = 0 # todo
|
||||
syn05key.name = "SYNP05_001" # Synopsys Synplicity
|
||||
|
||||
synvcskey = empty()
|
||||
synvcskey.m = 0xe324cbfb3c8d55f8324368766e54815b017bebebfb44a6e33c700285bafa48a0ee8f1370d1a84c1a1c4251c88b059c99dabd5277dfe2ae6f9e02afff490a1e9f9d086d0262adfe70339c448e2c4c4228ed6d9a360d0972c9f90a961680ae0ee238412f11bb2d6edd1c00042c3b112430c08b95499a4e8213af8eb3c7cef95cd1 # 1024 bits
|
||||
synvcskey.e = 0x10001
|
||||
synvcskey.d = 0 # todo
|
||||
synvcskey.name = "SNPS-VCS-RSA-1" # Synopsys
|
||||
|
||||
atrentakey = empty()
|
||||
atrentakey.m = 0 # 2048 bits
|
||||
atrentakey.e = 0
|
||||
atrentakey.d = 0 # todo
|
||||
atrentakey.name = "ATR-SG-2015-RSA-3" # ATRENTA
|
||||
|
||||
vcskey = empty()
|
||||
vcskey.m = 0 # 1600 bits?
|
||||
vcskey.e = 0
|
||||
vcskey.d = 0 # todo
|
||||
vcskey.name = "VCS001" # VCS
|
||||
|
||||
cdskey = empty()
|
||||
cdskey.m = 0xacffee43672ed8d1a431ec5a183ecc9381d684917d43d939db77c660c46643af0c7878ab1a9c650d3c9e8118533b9356a2d3d24f456b64407cd80eab356e755b # a 512 bit modulus
|
||||
cdskey.e = 0x10001
|
||||
cdskey.d = 0 # todo
|
||||
cdskey.name = "cds_rsa_key" # Cadence Design Systems
|
||||
|
||||
unknownkey = empty()
|
||||
unknownkey.m = 0xba3906195fefa77d93b143c62d163a1868114dd426fc016cba773f06fc27c50b55fe17df7366b9ada9e346b95d42d6e3919ba3b78129a0c0617a23e6f662733515c4046df0db07d0e289d89aa1a10a27c9d6136844cdf37287f7b30db80681c5b3dde6ecfde842654ab290db799a626f48cb67a0bc89abed9eff2017927ea4e1
|
||||
unknownkey.e = 0x10001
|
||||
unknownkey.d = 0 # todo
|
||||
unknownkey.name = "unknown"
|
||||
|
||||
acmekey = empty()
|
||||
acmekey.m = 0xa1fd3c93c6feb24e91b1051434441b9335cd3981cc277530443a02552a29e3f5b3625022e8154dd84c66bf2fe334a537d1fde7ad888bb5027160f58e2c2976266828f1d7fee1381d3b8542bebe5d3135793bd35fd0d30c2841f56c1dcb536f044ff0d19529baa53fffd02fea35502d453e2c72159cbaa0c9d150b2e8072d2cf1
|
||||
acmekey.e = 0x10001
|
||||
acmekey.d = 0 # todo
|
||||
acmekey.name = "ACME_KEY7_11"
|
||||
|
||||
velocekey = empty()
|
||||
velocekey.m = 0xbb2d2276d0343367b9bbb71dc5c168696b0d485b0000bef682805b2bcdacc3b4c133027da943b4013fdda4222b8a64bfe2ce9c6bc13880048228a597208d6ea799f30cedc427e9da347ff29f5b328120194cb92e97236ee15ba7b5edf223be4daf2479b7c80d6326c2bdde1ba3b3c67633ee645700d035f4d9d5a8a16dbdf5bf
|
||||
velocekey.e = 0x10001
|
||||
velocekey.d = 0 # todo
|
||||
velocekey.name = "veloce"
|
||||
|
||||
unk1 = empty()
|
||||
unk1.m = 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
|
||||
unk1.e = 0x10001
|
||||
unk1.d = 0
|
||||
unk1.name = "Altera Key1" # Altera Corporation
|
||||
|
||||
|
||||
# list of known private keys
|
||||
privkeys = (rsa3072, rsa2048, rsa_2013_09, rsa_2014_03, rsa_2015_12, rsa_2016_05, rsa_2017_01, rsa_hybrid1_3k, rsa_2016_09, alterakey, mentor1key, mentor2key)
|
||||
|
||||
|
||||
# rsa privatekey decrypt x
|
||||
def rsadec(key, x):
|
||||
return pow(x, key.d, key.m)
|
||||
|
||||
|
||||
# convert bigint x to big-endian byte string
|
||||
def getbin(x):
|
||||
x = "%x" % x
|
||||
while len(x) % 128:
|
||||
x = "0" + x
|
||||
return a2b_hex(x)
|
||||
|
||||
|
||||
# rsa-unwrap encrypted key
|
||||
# input and output: byte string
|
||||
def unwrap(key, wrapped):
|
||||
dec = rsadec(key, int(b2a_hex(wrapped), 16))
|
||||
b = getbin(dec)
|
||||
if ord(b[0]) == 0 and ord(b[1]) == 2:
|
||||
# remove PKCS#1 1.5 padding: 00, 02, ...non-zero-random... 00, <data>
|
||||
ix = b.find("\x00", 1)
|
||||
return b[ix+1:]
|
||||
# else:
|
||||
# sys.stdout.write("`unwrap %s %s\n" % (key.name, b2a_hex(b)))
|
||||
|
||||
|
||||
# decode HYbrid key section
|
||||
def decrypt_hy_keys(data):
|
||||
o = 0
|
||||
key2048, o = gethybytes(data, o)
|
||||
count, o = gethword(data, o)
|
||||
key3072, o = gethybytes(data, o)
|
||||
wrapped_key, o = gethybytes(data, o)
|
||||
wrapped_iv, o = gethybytes(data, o)
|
||||
|
||||
key = unwrap(rsa2048, unwrap(rsa3072, wrapped_key))
|
||||
iv = unwrap(rsa2048, unwrap(rsa3072, wrapped_iv))
|
||||
|
||||
if struct.unpack_from(">L", key2048, 0)[0] != 0xdfe6242b:
|
||||
print("HY: key2k= %08x %s" % b2a_hex(key2048), file=sys.stderr)
|
||||
if struct.unpack_from(">L", key3072, 0)[0] != 0xe0e2d4d1:
|
||||
print("HY: key3k= %s" % b2a_hex(key3072), file=sys.stderr)
|
||||
if count != 1:
|
||||
print("HY: count=%d" % count, file=sys.stderr)
|
||||
|
||||
if o < len(data):
|
||||
print("HY: left: %s" % b2a_hex(data[o:]), file=sys.stderr)
|
||||
|
||||
print("hy: key=%s, iv=%s" % (key.encode('hex'), iv.encode('hex')))
|
||||
return {"key": key, "iv": iv}
|
||||
|
||||
# decode c1 key section
|
||||
def decrypt_c1_keys(data):
|
||||
o = 0
|
||||
keyname, o = getc1bytes(data, o)
|
||||
wrapped_key, o = getc1bytes(data, o)
|
||||
wrapped_iv, o = getc1bytes(data, o)
|
||||
|
||||
key = unwrap(rsa_2013_09, wrapped_key)
|
||||
iv = unwrap(rsa_2013_09, wrapped_iv)
|
||||
|
||||
if o < len(data):
|
||||
print("c1: left: %s" % data[o:].encode("hex"), out=sys.stderr)
|
||||
|
||||
print("c1: key=%s, iv=%s" % (key.encode('hex'), iv.encode('hex')))
|
||||
return {"key": key, "iv": iv}
|
||||
|
||||
|
||||
# oldest IP encoding: only compression
|
||||
def isStubFile(fh):
|
||||
fh.seek(0)
|
||||
hdr = fh.readline()
|
||||
return hdr == "XILINX-XDB 0.1 STUB 0.1 ASCII\n"
|
||||
|
||||
|
||||
# is old-style Xlx file
|
||||
def isXlxFile(fh):
|
||||
fh.seek(0)
|
||||
hdr = fh.read(8)
|
||||
return re.match(r'XlxV(\d\d|H[LXY]|c1|D0)([ADE][ABM])', hdr) != None
|
||||
|
||||
|
||||
# not processing binary files ( xlx files start with ascii hdr )
|
||||
def isBinary(fh):
|
||||
fh.seek(0)
|
||||
hdr = fh.read(0x18)
|
||||
return hdr.find("\x00") >= 0
|
||||
|
||||
|
||||
# decode Xlx file chunk
|
||||
# for HY and c1 data returns a key/iv pair, for others returns the actual data
|
||||
def decodechunk(hdr, data):
|
||||
if hdr.version in keys:
|
||||
print("enc = ", b2a_hex(data))
|
||||
print("key = ", b2a_hex(keys[hdr.version]['key']), 'iv=', b2a_hex(keys[hdr.version]['iv']))
|
||||
data = cbcdecrypt(data, keys[hdr.version])
|
||||
elif hdr.version == "HY":
|
||||
return decrypt_hy_keys(data)
|
||||
elif hdr.version == "c1":
|
||||
return decrypt_c1_keys(data)
|
||||
else:
|
||||
print("unknown hdr: %s" % hdr.version)
|
||||
|
||||
try:
|
||||
if data:
|
||||
if hdr.encoding == "DM":
|
||||
data = b64decode(data)
|
||||
C = zlib.decompressobj(15)
|
||||
full = C.decompress(data)
|
||||
|
||||
return full
|
||||
except Exception as e:
|
||||
print("ERROR %s in (%08x) %s" % (e, len(data), b2a_hex(data[0:16])), file=sys.stderr)
|
||||
|
||||
|
||||
# read and decode Xlx chunk
|
||||
def readchunk(fh):
|
||||
hdrdata = fh.read(0x18)
|
||||
if not hdrdata:
|
||||
return
|
||||
hdr = parseheader(hdrdata)
|
||||
if not hdr:
|
||||
return
|
||||
data = fh.read(hdr.compsize)
|
||||
|
||||
return decodechunk(hdr, data)
|
||||
|
||||
|
||||
# process old style stub header
|
||||
# 2 variants, one has XlxV32 data embedded,
|
||||
# the other is 'rle' encoded -> rledecode
|
||||
# involving ascii 0x20 - 0x7f chars
|
||||
def readstubhdr(fh):
|
||||
state = 0
|
||||
while True:
|
||||
c = fh.read(1)
|
||||
if c is None or len(c) == 0:
|
||||
# eof
|
||||
return False
|
||||
if state < 3 and c == '#':
|
||||
state += 1
|
||||
elif state < 3:
|
||||
print("invalid stub hdr %d %02x" % (state, ord(c)), file=sys.stderr)
|
||||
return False
|
||||
elif state == 3 and '0' <= c <= '9':
|
||||
pass
|
||||
elif state == 3 and c == ':':
|
||||
return True
|
||||
else:
|
||||
print("invalid stub hdr %d %02x" % (state, ord(c)), file=sys.stderr)
|
||||
return False
|
||||
|
||||
|
||||
def getxdmtype(line):
|
||||
m = re.match(r'XILINX-XDM V1\.\d([a-z]*)', line)
|
||||
if m:
|
||||
return m.group(1)
|
||||
|
||||
|
||||
def rledecode(x):
|
||||
return "".join(chr(ord(x[i]) ^ (i & 15)) for i in range(len(x)))
|
||||
|
||||
|
||||
# process Xlx file
|
||||
# note: "HY" and "c1" keys are different for each file
|
||||
def dumpxlx(fh):
|
||||
if "HY" in keys:
|
||||
keys.pop("HY")
|
||||
if "c1" in keys:
|
||||
keys.pop("c1")
|
||||
hasstubs = False
|
||||
|
||||
if isStubFile(fh):
|
||||
secondline = fh.readline()
|
||||
hasstubs = True
|
||||
else:
|
||||
fh.seek(0)
|
||||
if hasstubs:
|
||||
subver = getxdmtype(secondline)
|
||||
# 'u': NOCOMPRESS
|
||||
# 'e': RLE
|
||||
# '': COMPRESS
|
||||
if subver == "e":
|
||||
yield rledecode(fh.read())
|
||||
return
|
||||
|
||||
while True:
|
||||
if hasstubs:
|
||||
if not readstubhdr(fh):
|
||||
break
|
||||
chunk = readchunk(fh)
|
||||
if not chunk:
|
||||
break
|
||||
if type(chunk) == dict:
|
||||
# add HY or c1 key to keys table
|
||||
keys["HY"] = chunk
|
||||
keys["c1"] = chunk
|
||||
else:
|
||||
yield chunk
|
||||
|
||||
|
||||
# code for decoding ieee 1364-2005 type IP protection
|
||||
class ProtectParser:
|
||||
# note: keyblocks can be decrypted using private key
|
||||
# -> pkcs#1 v1.5 padded symmetric key
|
||||
# datablock starts with IV block
|
||||
def __init__(self, args):
|
||||
self.verbose = args.verbose
|
||||
self.clear()
|
||||
|
||||
def clear(self):
|
||||
self.props = {}
|
||||
self.keys = []
|
||||
|
||||
@staticmethod
|
||||
def pragma_protect(line):
|
||||
# note: VHDL: `protect ...
|
||||
# verilog: `pragma protect ...
|
||||
# system verilog: //pragma protect
|
||||
m = re.search(r'^\s*(?:`|//|--)(?:pragma\s+)?protect\s+(.*)', line)
|
||||
if m:
|
||||
return m.group(1)
|
||||
|
||||
def moveprop(self, k, dst):
|
||||
if k in self.props:
|
||||
dst[k] = self.props[k]
|
||||
del self.props[k]
|
||||
|
||||
def addkey(self, keyblock):
|
||||
kprop = {"key_block": keyblock}
|
||||
|
||||
for k in ["key_keyname", "key_keyowner", "key_method", "encoding"]:
|
||||
self.moveprop(k, kprop)
|
||||
|
||||
self.keys.append(kprop)
|
||||
|
||||
def adddata(self, datablock):
|
||||
if "data_block" in self.props:
|
||||
print("prot: multiple data blocks", file=sys.stderr)
|
||||
self.props["data_block"] = datablock
|
||||
|
||||
def parsetoken(self, text):
|
||||
m = re.match(r'\s+', text)
|
||||
if m:
|
||||
return m.end(), None, None
|
||||
m = re.match(r',', text)
|
||||
if m:
|
||||
return m.end(), None, None
|
||||
|
||||
# double-quoted string
|
||||
m = re.match(r'\s*(\w+)\s*=\s*"([^"]*)"', text)
|
||||
if m:
|
||||
return m.end(), m.group(1), m.group(2)
|
||||
|
||||
# numeric string
|
||||
m = re.match(r'\s*(\w+)\s*=\s*(\d+)', text)
|
||||
if m:
|
||||
return m.end(), m.group(1), int(m.group(2))
|
||||
|
||||
# bracketed string
|
||||
m = re.match(r'\s*(\w+)\s*=\s*(\(.*?\))', text)
|
||||
if m:
|
||||
return m.end(), m.group(1), m.group(2)
|
||||
|
||||
# unquoted string
|
||||
m = re.match(r'\s*(\w+)\s*=\s*(\w+(?:\s\w+)*\.?)$', text)
|
||||
if m:
|
||||
return m.end(), m.group(1), m.group(2)
|
||||
|
||||
# separate token
|
||||
m = re.match(r'\s*(\w+)', text)
|
||||
if m:
|
||||
return m.end(), m.group(1), True
|
||||
|
||||
print("protected: unknown syntax: '%s'" % text, file=sys.stderr)
|
||||
return 1, None, None
|
||||
|
||||
def parse_properties(self, line):
|
||||
o = 0
|
||||
while o < len(line):
|
||||
r, k, v = self.parsetoken(line[o:])
|
||||
o += r
|
||||
if k is not None:
|
||||
yield k, v
|
||||
|
||||
def process_file(self, fh):
|
||||
keyblock = None
|
||||
datablock = None
|
||||
for line in fh:
|
||||
pp = self.pragma_protect(line)
|
||||
if pp:
|
||||
# when protect line found -> close {data|key}block
|
||||
if keyblock is not None:
|
||||
self.addkey(keyblock)
|
||||
keyblock = None
|
||||
elif datablock is not None:
|
||||
self.adddata(datablock)
|
||||
datablock = None
|
||||
|
||||
for k, v in self.parse_properties(pp):
|
||||
self.props[k.lower()] = v
|
||||
|
||||
# handle the various tags
|
||||
if "begin_protected" in self.props:
|
||||
del self.props["begin_protected"]
|
||||
self.keys = []
|
||||
elif "end_protected" in self.props:
|
||||
del self.props["end_protected"]
|
||||
self.decrypt()
|
||||
self.clear()
|
||||
elif "key_block" in self.props:
|
||||
del self.props["key_block"]
|
||||
keyblock = ""
|
||||
elif "data_block" in self.props:
|
||||
del self.props["data_block"]
|
||||
datablock = ""
|
||||
|
||||
# collect data
|
||||
elif keyblock is not None:
|
||||
keyblock += line
|
||||
elif datablock is not None:
|
||||
datablock += line
|
||||
else:
|
||||
# ignore plain text
|
||||
sys.stdout.write(line)
|
||||
|
||||
def findkey(self, keys, keylen):
|
||||
res = None
|
||||
for k in keys:
|
||||
thiskey = None
|
||||
wrapped = self.decode(k["encoding"], k["key_block"])
|
||||
# sys.stdout.write("`unwrap: wraped=%s\n" % b2a_hex(wrapped))
|
||||
for privkey in privkeys:
|
||||
key = unwrap(privkey, wrapped)
|
||||
if key and len(key) == keylen:
|
||||
thiskey = (key, privkey.name, k["key_keyname"], k["key_keyowner"])
|
||||
if not self.verbose and thiskey:
|
||||
return thiskey
|
||||
if self.verbose:
|
||||
if thiskey:
|
||||
print("--- %s ; %s ; %s was decrypted using %s" % (k["key_keyname"], k["key_keyowner"], b2a_hex(thiskey[0]), thiskey[1]))
|
||||
res = thiskey
|
||||
else:
|
||||
print("--- %s ; %s could not be decrypted" % (k["key_keyname"], k["key_keyowner"]))
|
||||
print(k)
|
||||
return res
|
||||
|
||||
def decode(self, encoding, data):
|
||||
if encoding.lower().find("uuencode") > 0:
|
||||
return uudecode(data)
|
||||
return b64decode(data)
|
||||
|
||||
def decrypt(self):
|
||||
key = None
|
||||
if "data_method" not in self.props:
|
||||
print("unknown data method")
|
||||
return
|
||||
|
||||
if self.props["data_method"].lower() == "aes256-cbc":
|
||||
keylength = 32
|
||||
else: # if self.props["data_method"].lower() == "aes128-cbc":
|
||||
keylength = 16
|
||||
|
||||
if self.keys:
|
||||
key = self.findkey(self.keys, keylength)
|
||||
else:
|
||||
# todo: find CDS_DATA_KEY, from ncprotect
|
||||
# or MTI static key
|
||||
key = None
|
||||
|
||||
if key:
|
||||
key, privname, keyname, keyowner = key
|
||||
data = self.decode(self.props["encoding"], self.props["data_block"])
|
||||
if len(data)<16:
|
||||
print("ERROR: no iv")
|
||||
return
|
||||
plain = cbcdecrypt(data[16:], {"key": key, "iv": data[0:16]})
|
||||
plain = strip_padding(plain)
|
||||
sys.stdout.write("`pragma begin_decoded privkey=\"%s\", key_keyname=\"%s\", key_keyowner=\"%s\"\n" % (privname, keyname, keyowner))
|
||||
if not args.nodata:
|
||||
sys.stdout.write(plain)
|
||||
elif len(plain)<=20:
|
||||
sys.stdout.write("** %d bytes: %s" % (len(plain), b2a_hex(plain)))
|
||||
else:
|
||||
sys.stdout.write("** %d bytes: %s ... %s" % (len(plain), b2a_hex(plain[:8]), b2a_hex(plain[-8:])))
|
||||
sys.stdout.write("`pragma end_decoded\n")
|
||||
else:
|
||||
descriptions = ["%s:%s" % (k["key_keyowner"], k["key_keyname"]) for k in self.keys]
|
||||
if "data_keyname" in self.props:
|
||||
descriptions.append("DATAKEY/%s:%s" % (self.props["data_keyowner"], self.props["data_keyname"]))
|
||||
sys.stdout.write("`pragma protect: no known key found: %s\n" % ",".join(descriptions))
|
||||
|
||||
|
||||
def process_protect(fh, args):
|
||||
P = ProtectParser(args)
|
||||
P.process_file(fh)
|
||||
|
||||
|
||||
|
||||
parser = argparse.ArgumentParser(description='Tool for decoding xilinx protected files, or begin_protected sections from verlog code.')
|
||||
parser.add_argument('--verbose', '-v', action='store_true', help='print info for each key')
|
||||
parser.add_argument('--nodata', '-n', action='store_true', help='omit the decrypted data')
|
||||
parser.add_argument('files', type=str, metavar='FILE', nargs='*', help='a protected data file')
|
||||
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
if not args.files or (len(args.files)==1 and args.files[0]=='-'):
|
||||
process_protect(sys.stdin, args)
|
||||
else:
|
||||
for fn in args.files:
|
||||
if len(args.files) > 1:
|
||||
print("==> %s <==" % (fn))
|
||||
isFirst = True
|
||||
isRecursiveStub = False
|
||||
alldata = ""
|
||||
with open(fn, "rb") as fh:
|
||||
if isBinary(fh):
|
||||
pass
|
||||
elif isXlxFile(fh) or isStubFile(fh):
|
||||
fh.seek(0)
|
||||
for chunk in dumpxlx(fh):
|
||||
if isFirst:
|
||||
isRecursiveStub = chunk[0:30] == "XILINX-XDB 0.1 STUB 0.1 ASCII\n"
|
||||
isFirst = False
|
||||
if isRecursiveStub:
|
||||
alldata += chunk
|
||||
else:
|
||||
sys.stdout.write(chunk)
|
||||
|
||||
# some files are doubly encoded
|
||||
if isRecursiveStub:
|
||||
for chunk in dumpxlx(StringIO.StringIO(alldata)):
|
||||
sys.stdout.write(chunk)
|
||||
else:
|
||||
fh.seek(0)
|
||||
process_protect(fh, args)
|
||||
|
||||
if len(args.files) > 1:
|
||||
print
|
||||
Loading…
Reference in New Issue