Fix windows timeout issues. Fix reset command. Fix wrong XML length

Library/cryptutils.py

@@ -0,0 +1,487 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+#(c) B.Kerler 2018-2019
+
+import hashlib
+from Crypto.Cipher import AES
+from Crypto.Util import Counter
+from Crypto.Hash import CMAC
+from Crypto.Util.number import long_to_bytes, bytes_to_long
+from binascii import hexlify,unhexlify
+
+class PKCS1BaseException(Exception):
+    pass
+
+class DecryptionError(PKCS1BaseException):
+    pass
+
+class MessageTooLong(PKCS1BaseException):
+    pass
+
+class WrongLength(PKCS1BaseException):
+    pass
+
+class MessageTooShort(PKCS1BaseException):
+    pass
+
+class InvalidSignature(PKCS1BaseException):
+    pass
+
+class RSAModulusTooShort(PKCS1BaseException):
+    pass
+
+class IntegerTooLarge(PKCS1BaseException):
+    pass
+
+class MessageRepresentativeOutOfRange(PKCS1BaseException):
+    pass
+
+class CiphertextRepresentativeOutOfRange(PKCS1BaseException):
+    pass
+
+class SignatureRepresentativeOutOfRange(PKCS1BaseException):
+    pass
+
+class EncodingError(PKCS1BaseException):
+    pass
+
+class InvalidInputException(Exception):
+    def __init__(self, msg):
+        self.msg = msg
+
+    def __str__(self):
+        return str(self.msg)
+
+class InvalidTagException(Exception):
+    def __str__(self):
+        return 'The authentication tag is invalid.'
+
+class cryptutils:
+    class aes:
+        # GF(2^128) defined by 1 + a + a^2 + a^7 + a^128
+        # Please note the MSB is x0 and LSB is x127
+        def gf_2_128_mul(self, x, y):
+            assert x < (1 << 128)
+            assert y < (1 << 128)
+            res = 0
+            for i in range(127, -1, -1):
+                res ^= x * ((y >> i) & 1)  # branchless
+                x = (x >> 1) ^ ((x & 1) * 0xE1000000000000000000000000000000)
+            assert res < 1 << 128
+            return res
+
+        class AES_GCM:
+            # Galois/Counter Mode with AES-128 and 96-bit IV
+            '''
+            Example:
+            master_key = 0x0ADAABC70895E008147A48C27791F654 #54F69177C2487A1408E09508C7ABDA0A
+            init_value = 0x2883B4173F9A838437C1CD86CCFAA5ED #EDA5FACC86CDC13784839A3F17B48328
+            auth_tag = 46D1FA806ADA1A916E6D0D0B55A40C1F94D7820D110F3DFC984AA3EEC9D67521
+            ciphertext = b"\x8A\x40\x9D\xF8\x76\x09\xCA\x10\x36\xB3\xFA\x86\x20\xC5\x85\xA3"+ \
+                        b"\xE3\x8E\x17\x14\x40\xBD\x6B\xA7\x26\x1F\x0B\xFE\xC5\x0A\xB0\xF0"+\
+                        b"\xCF\x69\x2E\x76\x18\x6D\x96\x9E\x83\x87\x63\xC7\x15\x7C\x1F\x28"+\
+                        b"\xEE\xE8\xF1\xD6\x1F\x02\x2A\xF1\xA2\x43\x8A\xCF\x7C\xF2\x66\x37"+\
+                        b"\x8B\x49\x1D\xC5\xDC\xE2\x54\x77\xED\x2F\x17\x5B\xA9\xFC\x8A\x81"+\
+                        b"\x60\xF6\x5A\x22\x39\xCA\x79\x32\x9B\xDB\x49\x50\xCE\x74\x2C\x56"+\
+                        b"\xDB\x97\xCA\x13\xDD\x25\xA3\x3C\x0F\x53\xDD\x38\xBF\x7B\x8B\xDA"+\
+                        b"\xD6\x74\x38\x87\x96\xA8\x10\x5A\x96\x38\x39\x7F\xFD\xEC\xC7\x62"+\
+                        b"\x06\x44\xF4\x0F\x78\xD6\x3D\x1A\xC5\x40\x4B\x3B\x8C\xBE\xE6\x76"+\
+                        b"\x65\xFA\x40\xDA\xD3\xF0\xF2\x19\x35\xB7\xB2\x91\xFC\x18\x2C\x53"+\
+                        b"\xA2\x3F\x1A\xA7\x4F\xFC\x42\xAE\xC1\x97\x89\xAB\x7E\x9B\xA1\x5C"+\
+                        b"\x3A\x3B\x2F\x01\x60\xB1\xC5\x30\x7C\xB7\x2B\xD5\xAF\x27\xA0\x4C"+\
+                        b"\xE9\x80\xC5\xB4\xEC\xFB\xD7\x59\xE8\x5D\xEE\xB5\x6F\x3B\xA7\xDE"+\
+                        b"\xDA\xD8\x55\x09\x7A\x5A\xAD\x6C\x13\x2D\xD1\x23\x7C\x13\x5F\x84"+\
+                        b"\x35\x29\x51\x55\xF4\x53\x12\x9C\x86\x7A\x77\x2B\xE2\x7B\x01\xA2"+\
+                        b"\x6B\xC8\x5D\xD8\xCA\x92\xFB\x32\x0A\x09\xAE\xB3\x45\x8D\x0B\x60"+\
+                        b"\x9D\xEB\xB7\x02\x07\xAB\x4A\x24\xF6\xA1\xE7\x59\xA0\xC4\xB1\xFB"+\
+                        b"\x44\xAD\x32\xC7\xD4\x8F\xC6\x0C\x33\xD5\x88\x82\xF4\x9A\xA2\x7C"+\
+                        b"\xDC\x56\x90\x96\x3C\xBC\xCF\x95\x17\x22\x55\x64\x67\x62\x52\x86"+\
+                        b"\xFA\x3B\xFC\xAA\xC7\x1B\xDE\x7F\x01\xB3\x61\x8C\x28\xAE\x64\x7E"+\
+                        b"\x43\xF0\x5A\x50\x60\x50\x85\xD4\xC4\xA6\x92\xC7\x8B\xE5\x04\x80"+\
+                        b"\x74\x0F\xBA\xEB\x7C\x2C\x81\x07\x99\x22\x51\xD1\x9E\xE1\x59\xEE"+\
+                        b"\x77\xC2\x13\x2C\x46\x16\x92\x9A\x69\xD9\x01\x75\x31\xA6\x20\xB9"+\
+                        b"\x13\x46\x55\xF7\x8C\xC6\xB8\x7C\x8F\xAC\x00\x1A\x58\x68\xC7\xAD"+\
+                        b"\x4E\x34\xB9\xEF\x5F\xCD\x87\x12\x0E\x8A\xEA\xD2\x4D\x66\x5E\x40"+\
+                        b"\xBD\x1D\x30\x8A\x83\xB8\x4F\xC2\xAB\x28\x58\x6C\xEA\xDB\xF5\x87"+\
+                        b"\xA0\x62\x9E\xF9\xF4\xE7\xE8\x65"
+            my_gcm = AES_GCM(master_key)
+            decrypted = my_gcm.decrypt(init_value, ciphertext, auth_tag)
+            '''
+            def __init__(self, master_key):
+                self.change_key(master_key)
+
+            def change_key(self, master_key):
+                if master_key >= (1 << 128):
+                    raise InvalidInputException('Master key should be 128-bit')
+
+                self.__master_key = long_to_bytes(master_key, 16)
+                self.__aes_ecb = AES.new(self.__master_key, AES.MODE_ECB)
+                self.__auth_key = bytes_to_long(self.__aes_ecb.encrypt(b'\x00' * 16))
+
+                # precompute the table for multiplication in finite field
+                table = []  # for 8-bit
+                for i in range(16):
+                    row = []
+                    for j in range(256):
+                        row.append(self.gf_2_128_mul(self.__auth_key, j << (8 * i)))
+                    table.append(tuple(row))
+                self.__pre_table = tuple(table)
+
+                self.prev_init_value = None  # reset
+
+            def __times_auth_key(self, val):
+                res = 0
+                for i in range(16):
+                    res ^= self.__pre_table[i][val & 0xFF]
+                    val >>= 8
+                return res
+
+            def __ghash(self, aad, txt):
+                len_aad = len(aad)
+                len_txt = len(txt)
+
+                # padding
+                if 0 == len_aad % 16:
+                    data = aad
+                else:
+                    data = aad + b'\x00' * (16 - len_aad % 16)
+                if 0 == len_txt % 16:
+                    data += txt
+                else:
+                    data += txt + b'\x00' * (16 - len_txt % 16)
+
+                tag = 0
+                assert len(data) % 16 == 0
+                for i in range(len(data) // 16):
+                    tag ^= bytes_to_long(data[i * 16: (i + 1) * 16])
+                    tag = self.__times_auth_key(tag)
+                    # print 'X\t', hex(tag)
+                tag ^= ((8 * len_aad) << 64) | (8 * len_txt)
+                tag = self.__times_auth_key(tag)
+
+                return tag
+
+            def encrypt(self, init_value, plaintext, auth_data=b''):
+                if init_value >= (1 << 96):
+                    raise InvalidInputException('IV should be 96-bit')
+                # a naive checking for IV reuse
+                if init_value == self.prev_init_value:
+                    raise InvalidInputException('IV must not be reused!')
+                self.prev_init_value = init_value
+
+                len_plaintext = len(plaintext)
+                # len_auth_data = len(auth_data)
+
+                if len_plaintext > 0:
+                    counter = Counter.new(
+                        nbits=32,
+                        prefix=long_to_bytes(init_value, 12),
+                        initial_value=2,  # notice this
+                        allow_wraparound=False)
+                    aes_ctr = AES.new(self.__master_key, AES.MODE_CTR, counter=counter)
+
+                    if 0 != len_plaintext % 16:
+                        padded_plaintext = plaintext + \
+                                           b'\x00' * (16 - len_plaintext % 16)
+                    else:
+                        padded_plaintext = plaintext
+                    ciphertext = aes_ctr.encrypt(padded_plaintext)[:len_plaintext]
+
+                else:
+                    ciphertext = b''
+
+                auth_tag = self.__ghash(auth_data, ciphertext)
+                # print 'GHASH\t', hex(auth_tag)
+                auth_tag ^= bytes_to_long(self.__aes_ecb.encrypt(
+                    long_to_bytes((init_value << 32) | 1, 16)))
+
+                # assert len(ciphertext) == len(plaintext)
+                assert auth_tag < (1 << 128)
+                return ciphertext, auth_tag
+
+            def decrypt(self, init_value, ciphertext, auth_tag, auth_data=b''):
+                # if init_value >= (1 << 96):
+                #    raise InvalidInputException('IV should be 96-bit')
+                # if auth_tag >= (1 << 128):
+                #    raise InvalidInputException('Tag should be 128-bit')
+
+                if auth_tag != self.__ghash(auth_data, ciphertext) ^ \
+                        bytes_to_long(self.__aes_ecb.encrypt(
+                            long_to_bytes((init_value << 32) | 1, 16))):
+                    raise InvalidTagException
+
+                len_ciphertext = len(ciphertext)
+                if len_ciphertext > 0:
+                    counter = Counter.new(
+                        nbits=32,
+                        prefix=long_to_bytes(init_value, 12),
+                        initial_value=2,
+                        allow_wraparound=True)
+                    aes_ctr = AES.new(self.__master_key, AES.MODE_CTR, counter=counter)
+
+                    if 0 != len_ciphertext % 16:
+                        padded_ciphertext = ciphertext + \
+                                            b'\x00' * (16 - len_ciphertext % 16)
+                    else:
+                        padded_ciphertext = ciphertext
+                    plaintext = aes_ctr.decrypt(padded_ciphertext)[:len_ciphertext]
+
+                else:
+                    plaintext = b''
+
+                return plaintext
+
+        def aes_gcm(self,ciphertext,nounce,aes_key, hdr, tag_auth, decrypt=True):
+            cipher = AES.new(aes_key, AES.MODE_GCM, nounce)
+            if hdr!=None:
+                cipher.update(hdr)
+            if decrypt:
+                plaintext = cipher.decrypt(ciphertext)
+                try:
+                    cipher.verify(tag_auth)
+                    return plaintext
+                except ValueError:
+                    return None
+
+        def aes_cbc(self,key,iv,data,decrypt=True):
+            if decrypt:
+                return AES.new(key, AES.MODE_CBC, IV=iv).decrypt(data)
+            else:
+                return AES.new(key, AES.MODE_CBC, IV=iv).encrypt(data)
+
+        def aes_ecb(self,key,data,decrypt=True):
+            if decrypt:
+                return AES.new(key, AES.MODE_ECB).decrypt(data)
+            else:
+                return AES.new(key, AES.MODE_ECB).encrypt(data)
+
+        def aes_ctr(self,key,counter,enc_data,decrypt=True):
+            ctr = Counter.new(128, initial_value=counter)
+            # Create the AES cipher object and decrypt the ciphertext, basically this here is just aes ctr 256 :)
+            cipher = AES.new(key, AES.MODE_CTR, counter=ctr)
+            data = b""
+            if decrypt:
+                data = cipher.decrypt(enc_data)
+            else:
+                data = cipher.encrypt(enc_data)
+            return data
+
+        def aes_ccm(self, key, nounce, tag_auth, data, decrypt=True):
+            cipher = AES.new(key, AES.MODE_CCM, nounce)
+            if decrypt:
+                plaintext = cipher.decrypt(data)
+                try:
+                    cipher.verify(tag_auth)
+                    return plaintext
+                except ValueError:
+                    return None
+            else:
+                ciphertext = cipher.encrypt(data)
+                return ciphertext
+
+        def aes_cmac_verify(key,plain,compare):
+            ctx = CMAC.new(key, ciphermod=AES)
+            ctx.update(plain)
+            result=ctx.hexdigest()
+            if result!=compare:
+                print("AES-CMAC failed !")
+            else:
+                print("AES-CMAC ok !")
+
+    class rsa:  # RFC8017
+        def __init__(self, hashtype="SHA256"):
+            hh=hash()
+            if hashtype == "SHA1":
+                self.hash = hh.sha1
+                self.digestLen = 0x14
+            elif hashtype == "SHA256":
+                self.hash = hh.sha256
+                self.digestLen = 0x20
+
+        def pss_test(self):
+            N = "a2ba40ee07e3b2bd2f02ce227f36a195024486e49c19cb41bbbdfbba98b22b0e577c2eeaffa20d883a76e65e394c69d4b3c05a1e8fadda27edb2a42bc000fe888b9b32c22d15add0cd76b3e7936e19955b220dd17d4ea904b1ec102b2e4de7751222aa99151024c7cb41cc5ea21d00eeb41f7c800834d2c6e06bce3bce7ea9a5"
+            e = "010001"
+            D = "050e2c3e38d886110288dfc68a9533e7e12e27d2aa56d2cdb3fb6efa990bcff29e1d2987fb711962860e7391b1ce01ebadb9e812d2fbdfaf25df4ae26110a6d7a26f0b810f54875e17dd5c9fb6d641761245b81e79f8c88f0e55a6dcd5f133abd35f8f4ec80adf1bf86277a582894cb6ebcd2162f1c7534f1f4947b129151b71"
+            MSG = "859eef2fd78aca00308bdc471193bf55bf9d78db8f8a672b484634f3c9c26e6478ae10260fe0dd8c082e53a5293af2173cd50c6d5d354febf78b26021c25c02712e78cd4694c9f469777e451e7f8e9e04cd3739c6bbfedae487fb55644e9ca74ff77a53cb729802f6ed4a5ffa8ba159890fc"
+            salt = "e3b5d5d002c1bce50c2b65ef88a188d83bce7e61"
+
+            N = int(N, 16)
+            e = int(e, 16)
+            D = int(D, 16)
+            MSG = unhexlify(MSG)
+            salt = unhexlify(salt)
+            signature = self.pss_sign(D, N, self.hash(MSG), salt, 1024)  # pkcs_1_pss_encode_sha256
+            isvalid = self.pss_verify(e, N, self.hash(MSG), signature, 1024)
+            if isvalid:
+                print("Test passed.")
+            else:
+                print("Test failed.")
+
+        def i2osp(self, x, x_len):
+            '''Converts the integer x to its big-endian representation of length
+               x_len.
+            '''
+            if x > 256 ** x_len:
+                raise IntegerTooLarge
+            h = hex(x)[2:]
+            if h[-1] == 'L':
+                h = h[:-1]
+            if len(h) & 1 == 1:
+                h = '0%s' % h
+            x = unhexlify(h)
+            return b'\x00' * int(x_len - len(x)) + x
+
+        def os2ip(self,x):
+            '''Converts the byte string x representing an integer reprented using the
+               big-endian convient to an integer.
+            '''
+            h = hexlify(x)
+            return int(h, 16)
+
+        #def os2ip(self, X):
+        #    return int.from_bytes(X, byteorder='big')
+
+        def mgf1(self, input, length):
+            counter = 0
+            output = b''
+            while (len(output) < length):
+                C = self.i2osp(counter, 4)
+                output += self.hash(input + C)
+                counter += 1
+            return output[:length]
+
+        def assert_int(self, var: int, name: str):
+            if isinstance(var, int):
+                return
+            raise TypeError('%s should be an integer, not %s' % (name, var.__class__))
+
+        def sign(self,tosign,D,N,emBits=1024):
+            self.assert_int(tosign, 'message')
+            self.assert_int(D, 'D')
+            self.assert_int(N, 'n')
+
+            if tosign < 0:
+                raise ValueError('Only non-negative numbers are supported')
+
+            if tosign > N:
+                tosign1=divmod(tosign,N)[1]
+                signature=pow(tosign1,D,N)
+                raise OverflowError("The message %i is too long for n=%i" % (tosign, N))
+
+            signature = pow(tosign, D, N)
+            hexsign = self.i2osp(signature, emBits // 8)
+            return hexsign
+
+        def pss_sign(self, D, N, msghash, salt, emBits=1024):
+            if isinstance(D,str):
+                D=unhexlify(D)
+                D=self.os2ip(D)
+            if isinstance(N,str):
+                N=unhexlify(N)
+                N=self.os2ip(N)
+            slen=len(salt)
+            emLen = self.ceil_div(emBits, 8)
+            inBlock = b"\x00" * 8 + msghash + salt
+            hash = self.hash(inBlock)
+            PSlen=emLen - self.digestLen - slen - 1 - 1
+            DB = (PSlen * b"\x00") + b"\x01" + salt
+            rlen = emLen - len(hash) - 1
+            dbMask = self.mgf1(hash, rlen)
+            maskedDB = bytearray()
+            for i in range(0, len(dbMask)):
+                maskedDB.append(dbMask[i] ^ DB[i])
+            maskedDB[0]=maskedDB[0]&0x7F
+            EM = maskedDB + hash + b"\xbc"
+            tosign=self.os2ip(EM)
+            #EM=hexlify(EM).decode('utf-8')
+            #tosign = int(EM,16)
+            return self.sign(tosign,D,N,emBits)
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
+
+        def ceil_div(self, a, b):
+            (q, r) = divmod(a, b)
+            if r:
+                return q + 1
+            else:
+                return q
+
+        def pss_verify(self, e, N, msghash, signature, emBits=1024, salt=None):
+            if salt == None:
+                slen = self.digestLen
+            else:
+                slen = len(salt)
+            sig = self.os2ip(signature)
+
+            EM = pow(sig, e, N)
+            #EM = unhexlify(hex(EM)[2:])
+            EM=self.i2osp(EM,emBits//8)
+
+            emLen = len(signature)
+
+            valBC = EM[-1]
+            if valBC != 0xbc:
+                print("[rsa_pss] : 0xbc check failed")
+                return False
+            hash = EM[emLen - self.digestLen - 1:-1]
+            maskedDB = EM[:emLen - self.digestLen - 1]
+
+            lmask=~(0xFF >> (8 * emLen + 1 - emBits))
+            if EM[0]&lmask:
+                print("[rsa_pss] : lmask check failed")
+                return False
+
+
+            dbMask = self.mgf1(hash, emLen - self.digestLen - 1)
+
+            DB = bytearray()
+            for i in range(0, len(dbMask)):
+                DB.append(dbMask[i] ^ maskedDB[i])
+
+            TS = bytearray()
+            TS.append(DB[0] & ~lmask)
+            TS.extend(DB[1:])
+
+            PS = (b"\x00" * (emLen - self.digestLen - slen - 2)) + b"\x01"
+            if TS[:len(PS)] != PS:
+                print(TS[:len(PS)])
+                print(PS)
+                print("[rsa_pss] : 0x01 check failed")
+                return False
+
+            if salt != None:
+                inBlock = b"\x00" * 8 + msghash + salt
+                mhash = self.hash(inBlock)
+                if mhash == hash:
+                    return True
+                else:
+                    return False
+            else:
+                salt=TS[-self.digestLen:]
+                inBlock = b"\x00" * 8 + msghash + salt
+                mhash = self.hash(inBlock)
+                if mhash == hash:
+                    return True
+                else:
+                    return False
+            return maskedDB
+
+    class hash():
+        def __init__(self, hashtype="SHA256"):
+            if hashtype == "SHA1":
+                self.hash = self.sha1
+                self.digestLen = 0x14
+            elif hashtype == "SHA256":
+                self.hash = self.sha256
+                self.digestLen = 0x20
+            elif hashtype == "MD5":
+                self.hash = self.md5
+                self.digestLen = 0x10
+
+        def sha1(self, msg):
+            return hashlib.sha1(msg).digest()
+
+        def sha256(self, msg):
+            return hashlib.sha256(msg).digest()
+
+        def md5(self, msg):
+            return hashlib.md5(msg).digest()

Library/firehose.py

@@ -87,6 +87,17 @@ class qualcomm_firehose:
     def cmd_reset(self):
         data = "<?xml version=\"1.0\" ?><data><power value=\"reset\"/></data>"
         val=self.xmlsend(data)
+        try:
+            v=None
+            while(v!=b''):
+                v=self.cdc.read()
+                if v!=b'':
+                    resp = self.xml.getlog(v)[0]
+                else:
+                    break
+                print(resp)
+        except:
+            pass
         if val[0]==True:
             logger.info("Reset succeeded.")
             return True
@@ -404,9 +415,10 @@ class qualcomm_firehose:
         v = b'-1'
         #try:
         if lvl!=1:
-            #self.cdc.timeout = 50
+            self.cdc.timeout = 50
             info=[]
             while v != b'':
+                try:
                     v = self.cdc.read()
                     if v==b'':
                         break
@@ -415,6 +427,8 @@ class qualcomm_firehose:
                         info.append(data[0])
                     if info=='':
                         break
+                except:
+                    pass
             #if info==[]:
             #    info=self.cmd_nop()
 
@@ -452,7 +466,7 @@ class qualcomm_firehose:
             if "MaxPayloadSizeFromTargetInBytes" in rsp[1]:
                 self.cfg.MaxPayloadSizeFromTargetInBytes=int(rsp[1]["MaxPayloadSizeFromTargetInBytes"])
             else:
-                self.cfg.MaxPayloadSizeFromTargetInBytes=8192
+                self.cfg.MaxPayloadSizeFromTargetInBytes=self.cfg.MaxXMLSizeInBytes
                 logging.warning("Couldn't detect MaxPayloadSizeFromTargetinBytes")
             if "TargetName" in rsp[1]:
                 self.cfg.TargetName=rsp[1]["TargetName"]

Library/usblib.py

@@ -127,8 +127,8 @@ class usb_class():
     def close(self):
         if (self.connected==True):
             usb.util.dispose_resources(self.device)
-            if self.device.is_kernel_driver_active(self.interface):
             try:
+                if self.device.is_kernel_driver_active(self.interface):
                         self.device.attach_kernel_driver(self.interface)
             except:
                 pass
@@ -160,9 +160,9 @@ class usb_class():
                 try:
                     tmp=self.device.read(self.EP_IN, length,timeout)
                 except usb.core.USBError as e:
-                    if "timed out" in e.strerror:
+                    if b"timed out" in e.strerror:
-                        #time.sleep(0.05)
+                        time.sleep(0.05)
-                        #print("Waiting...")
+                        print("Waiting...")
                         return bytearray(tmp)
                     elif e.errno != None:
                         print(repr(e), type(e), e.errno)

README.md

@@ -15,13 +15,20 @@
 - Copy Drivers/50-android.rules to /etc/udev/rules.d
 - sudo apt install adb
 - sudo apt install fastboot
+- sudo sudo apt install liblzma-dev
 
 Linux/Windows: 
 - "python -m pip install -r requirements.txt"
 
 Windows:
-- Use Filter Installer to install libusb filter driver 
+- Boot device into 9008 mode, install Qualcomm_Diag_QD_Loader_2016_driver.exe from Drivers\Windows,
-  on Qualcomm 9008 port otherwise we won't detect the device
+  then install libusb-win32-devel-filter-1.2.6.0.exe.
+  Run Filter Wizard, "Install a device filter",  select "Qualcomm HS-USB QDLoader 9008"
+  and press "Install" to install libusb filter driver otherwise we won't detect the device.
+  Then use the edl tool.
+or
+- Use Zadig 2.4 or higher, list all devices, select QUSB_BULK device and replace
+  driver with libusb 1.2.6 one (will replace original driver)
 
 ## Run EDL (examples)
 

requirements.txt

@@ -1,3 +1,4 @@
 pyusb
 pyserial
 docopt
+pylzma