├── LICENSE ├── README.md ├── cpp ├── Makefile ├── akseed_calc.sln ├── akseed_calc.vcxproj ├── akseed_calc.vcxproj.filters ├── dist │ ├── Win32-Release │ │ ├── akseed_calc.exe │ │ └── akseed_calc.pdb │ ├── linux │ │ └── akseed_calc │ └── x64-Release │ │ ├── akseed_calc.exe │ │ ├── akseed_calc.ilk │ │ └── akseed_calc.pdb └── main.cpp └── python └── akseed_calc.py /LICENSE: -------------------------------------------------------------------------------- 1 | 2 | Copyright (C) Gassan Idriss 3 | 4 | ------------------------------------------------------------------------ 5 | 6 | GNU GENERAL PUBLIC LICENSE 7 | Version 3, 29 June 2007 8 | 9 | Copyright (C) 2007 Free Software Foundation, Inc. 10 | Everyone is permitted to copy and distribute verbatim copies 11 | of this license document, but changing it is not allowed. 12 | 13 | Preamble 14 | 15 | The GNU General Public License is a free, copyleft license for 16 | software and other kinds of works. 17 | 18 | The licenses for most software and other practical works are designed 19 | to take away your freedom to share and change the works. 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If not, see . 654 | 655 | Also add information on how to contact you by electronic and paper mail. 656 | 657 | If the program does terminal interaction, make it output a short 658 | notice like this when it starts in an interactive mode: 659 | 660 | Copyright (C) 661 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 662 | This is free software, and you are welcome to redistribute it 663 | under certain conditions; type `show c' for details. 664 | 665 | The hypothetical commands `show w' and `show c' should show the appropriate 666 | parts of the General Public License. Of course, your program's commands 667 | might be different; for a GUI interface, you would use an "about box". 668 | 669 | You should also get your employer (if you work as a programmer) or school, 670 | if any, to sign a "copyright disclaimer" for the program, if necessary. 671 | For more information on this, and how to apply and follow the GNU GPL, see 672 | . 673 | 674 | The GNU General Public License does not permit incorporating your program 675 | into proprietary programs. If your program is a subroutine library, you 676 | may consider it more useful to permit linking proprietary applications with 677 | the library. If this is what you want to do, use the GNU Lesser General 678 | Public License instead of this License. But first, please read 679 | . -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # AKSEED Challenge Calculator 2 | 3 | This can calculate the proper response to give back to Samsung basebands for the AT+AKSEEDNO command. 4 | When sending AT commands, some commands may require AKSEEDNO challege request and response before continuing, like with IMEISIGN. Example: 5 | 6 | TX: AT+AKSEEDNO=1,0 7 | RX: +AKSEEDNO:1,XXX-XXX-XXX (Where XXX is a random number) 8 | TX: AT+AKSEEDNO=0,XXX-XXX-XXX (Where XXX is the calculated challenge response) 9 | RX: +AKSEEDNO:0,OK 10 | 11 | # Requirements 12 | 13 | Python w/ six module (2.7 or 3.x) 14 | 15 | # Usage 16 | Take the three numbers and pass them as arguments to the script: 17 | 18 | python akseed_calc.py [NUMBER1] [NUMBER2] [NUMBER3] 19 | 20 | # C++ Version 21 | There is a c++ version as well in the cpp folder. Pre-compiled binaries can be found in the cpp/dist folder. Usage is the same. 22 | -------------------------------------------------------------------------------- /cpp/Makefile: -------------------------------------------------------------------------------- 1 | all: default 2 | 3 | CXXFLAGS = -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP 4 | OBJS = 5 | 6 | START_DIR=$(PWD) 7 | BASE_DIR=$(PWD) 8 | BUILD_DIR=$(BASE_DIR)/build/linux 9 | 10 | clean: 11 | rm -rf $(BUILD_DIR)/* 12 | 13 | default: 14 | @mkdir -p $(BUILD_DIR) 15 | $(CXX) -o $(BUILD_DIR)/akseed_calc main.cpp -std=c++11 -------------------------------------------------------------------------------- /cpp/akseed_calc.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio 14 4 | VisualStudioVersion = 14.0.25420.1 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "akseed_calc", "akseed_calc.vcxproj", "{76C5DF16-BFB5-4686-9E3E-281A8C141505}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|x64 = Debug|x64 11 | Debug|x86 = Debug|x86 12 | Release|x64 = Release|x64 13 | Release|x86 = Release|x86 14 | EndGlobalSection 15 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 16 | {76C5DF16-BFB5-4686-9E3E-281A8C141505}.Debug|x64.ActiveCfg = Debug|x64 17 | {76C5DF16-BFB5-4686-9E3E-281A8C141505}.Debug|x64.Build.0 = Debug|x64 18 | {76C5DF16-BFB5-4686-9E3E-281A8C141505}.Debug|x86.ActiveCfg = Debug|Win32 19 | {76C5DF16-BFB5-4686-9E3E-281A8C141505}.Debug|x86.Build.0 = Debug|Win32 20 | {76C5DF16-BFB5-4686-9E3E-281A8C141505}.Release|x64.ActiveCfg = Release|x64 21 | {76C5DF16-BFB5-4686-9E3E-281A8C141505}.Release|x64.Build.0 = Release|x64 22 | {76C5DF16-BFB5-4686-9E3E-281A8C141505}.Release|x86.ActiveCfg = Release|Win32 23 | {76C5DF16-BFB5-4686-9E3E-281A8C141505}.Release|x86.Build.0 = Release|Win32 24 | EndGlobalSection 25 | GlobalSection(SolutionProperties) = preSolution 26 | HideSolutionNode = FALSE 27 | EndGlobalSection 28 | EndGlobal 29 | -------------------------------------------------------------------------------- /cpp/akseed_calc.vcxproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | Debug 6 | Win32 7 | 8 | 9 | Release 10 | Win32 11 | 12 | 13 | Debug 14 | x64 15 | 16 | 17 | Release 18 | x64 19 | 20 | 21 | 22 | {76C5DF16-BFB5-4686-9E3E-281A8C141505} 23 | Win32Proj 24 | 8.1 25 | 26 | 27 | 28 | Application 29 | true 30 | v140 31 | 32 | 33 | Application 34 | false 35 | v140 36 | 37 | 38 | Application 39 | true 40 | v140 41 | 42 | 43 | Application 44 | false 45 | v140 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | true 67 | .\build\$(Platform)-$(Configuration)\ 68 | $(OutDir)\$(ProjectName)\ 69 | 70 | 71 | true 72 | .\build\$(Platform)-$(Configuration)\ 73 | $(OutDir)\$(ProjectName)\ 74 | 75 | 76 | .\build\$(Platform)-$(Configuration)\ 77 | $(OutDir)\$(ProjectName)\ 78 | 79 | 80 | .\build\$(Platform)-$(Configuration)\ 81 | $(OutDir)\$(ProjectName)\ 82 | 83 | 84 | 85 | WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) 86 | MultiThreadedDebugDLL 87 | Level3 88 | ProgramDatabase 89 | Disabled 90 | 91 | 92 | MachineX86 93 | true 94 | Console 95 | 96 | 97 | 98 | 99 | WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) 100 | MultiThreadedDLL 101 | Level3 102 | ProgramDatabase 103 | 104 | 105 | MachineX86 106 | true 107 | Console 108 | true 109 | true 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | -------------------------------------------------------------------------------- /cpp/akseed_calc.vcxproj.filters: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | {4FC737F1-C7A5-4376-A066-2A32D752A2FF} 6 | cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx 7 | 8 | 9 | {93995380-89BD-4b04-88EB-625FBE52EBFB} 10 | h;hh;hpp;hxx;hm;inl;inc;xsd 11 | 12 | 13 | {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} 14 | rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav 15 | 16 | 17 | 18 | 19 | Source Files 20 | 21 | 22 | -------------------------------------------------------------------------------- /cpp/dist/Win32-Release/akseed_calc.exe: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ghassani/akseed-calculator/4f2e1fb870e41880c1d97cab816921897dde066a/cpp/dist/Win32-Release/akseed_calc.exe -------------------------------------------------------------------------------- /cpp/dist/Win32-Release/akseed_calc.pdb: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ghassani/akseed-calculator/4f2e1fb870e41880c1d97cab816921897dde066a/cpp/dist/Win32-Release/akseed_calc.pdb -------------------------------------------------------------------------------- /cpp/dist/linux/akseed_calc: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ghassani/akseed-calculator/4f2e1fb870e41880c1d97cab816921897dde066a/cpp/dist/linux/akseed_calc -------------------------------------------------------------------------------- /cpp/dist/x64-Release/akseed_calc.exe: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ghassani/akseed-calculator/4f2e1fb870e41880c1d97cab816921897dde066a/cpp/dist/x64-Release/akseed_calc.exe -------------------------------------------------------------------------------- /cpp/dist/x64-Release/akseed_calc.ilk: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ghassani/akseed-calculator/4f2e1fb870e41880c1d97cab816921897dde066a/cpp/dist/x64-Release/akseed_calc.ilk -------------------------------------------------------------------------------- /cpp/dist/x64-Release/akseed_calc.pdb: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ghassani/akseed-calculator/4f2e1fb870e41880c1d97cab816921897dde066a/cpp/dist/x64-Release/akseed_calc.pdb -------------------------------------------------------------------------------- /cpp/main.cpp: -------------------------------------------------------------------------------- 1 | #include 2 | #include 3 | #include 4 | #include 5 | #include 6 | #include 7 | 8 | enum AkseedModelOffset { 9 | kAkseedModelMarvell = 0, 10 | kAkseedModelSMN900S = 51, 11 | kAkseedModelKorea = 51, 12 | kAkseedModelSMN900L = 71, 13 | kAkseedModelSMG900L = 47, 14 | kAkseedModelSMG900K = 54, 15 | kAkseedModelSMG900S = 73, 16 | kAkseedModelSHVE470S = 73, 17 | kAkseedModelSMN900K = 61, 18 | kAkseedModelSHVE250K = 88, 19 | kAkseedModelDefault = 89, 20 | }; 21 | 22 | 23 | std::tuple akseed_calculate(int number1, int number2, int number3, int addOffset = kAkseedModelDefault); 24 | void usage(); 25 | int main(int argc, char** argv); 26 | 27 | std::tuple akseed_calculate(int number1, int number2, int number3, int addOffset) 28 | { 29 | int i = 1; 30 | int calc1, calc2, calc3; 31 | 32 | calc1 = number2; 33 | while (i <= (number3 / 2)){ 34 | calc1 = (((number2 * number2) % number1) * calc1) % number1; 35 | i++; 36 | } 37 | 38 | calc1 += addOffset; 39 | 40 | calc2 = round(fmod((number1 * 0x181E5), log(number1))) + addOffset; 41 | calc3 = round(((number2 * number1) / number1) / log(number2)) + addOffset; 42 | 43 | return std::make_tuple(calc1, calc2, calc3); 44 | } 45 | 46 | void usage() { 47 | printf("AKSEEDNO Challenge Response Calculator\n"); 48 | printf("Created by Gassan Idriss\n"); 49 | printf("License: GPL\n"); 50 | printf("Source: https://github.com/ghassani/akseed-calculator\n"); 51 | printf("\nUsage:\n"); 52 | printf("\t*nix: akseed_calc [num1] [num2] [num3]\n"); 53 | printf("\tWindows: akseed_calc.exe [num1] [num2] [num3]\n"); 54 | } 55 | 56 | int main(int argc, char** argv) { 57 | 58 | if (argc < 4) { 59 | usage(); 60 | return 0; 61 | } 62 | 63 | int a = strtoul(argv[1], NULL, 10); 64 | int b = strtoul(argv[2], NULL, 10); 65 | int c = strtoul(argv[3], NULL, 10); 66 | 67 | if (!a || !b || !c) { 68 | usage(); 69 | return 0; 70 | } 71 | 72 | printf("Calculating Response For: %d %d %d\n", a, b, c); 73 | 74 | std::tuple res = akseed_calculate(a, b, c); 75 | 76 | printf("%d-%d-%d\n", std::get<0>(res), std::get<1>(res), std::get<2>(res)); 77 | 78 | return 0; 79 | } -------------------------------------------------------------------------------- /python/akseed_calc.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/python 2 | ''' 3 | * Copyright (C) Gassan Idriss 4 | * 5 | * This program is free software ; you can redistribute it and/or modify 6 | * it under the terms of the GNU General Public License as published by 7 | * the Free Software Foundation ; either version 2 of the License, or 8 | * (at your option) any later version. 9 | * 10 | * This program is distributed in the hope that it will be useful, 11 | * but WITHOUT ANY WARRANTY ; without even the implied warranty of 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | * GNU General Public License for more details. 14 | * 15 | * You should have received a copy of the GNU General Public License 16 | * along with the program ; if not, write to the Free Software 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18 | * 19 | * @file akseed_calc.py 20 | * @brief Calculates AKSEEDNO challenge response for newer Samsung basebands 21 | * @author Gassan Idriss 22 | ''' 23 | 24 | import sys 25 | import argparse 26 | import math 27 | import six 28 | 29 | ''' 30 | Used in test, iterate over and calculate each with -t 31 | ''' 32 | testData = { 33 | "1349-121-139" : "400-91-114", 34 | "10441-13-55" : "1279-91-94", 35 | "5611-121-143" : "3705-96-114", 36 | "9847-174-197" : "2069-94-123", 37 | "29999-241-2711" : "20088-98-133", 38 | "973-167-19" : "207-96-122", 39 | "20437-229-2579" : "13772-98-131", 40 | "2021-145-167" : "425-96-118", 41 | "2491-83-101" : "1179-95-108", 42 | "3959-124-143" : "1219-94-115", 43 | } 44 | 45 | ''' 46 | Some devices have different amounts that are 47 | added to the final calulcation of each segment 48 | ''' 49 | addOffsets = { 50 | "Default" : 89, 51 | "Marvell" : 0, 52 | "SM-N900S" : 51, 53 | "Korea" : 51, 54 | "SM-N900L" : 71, 55 | "SM-G900L" : 47, 56 | "SM-G900K" : 54, 57 | "SM-G900S" : 73, 58 | "SHV-E470S" : 73, 59 | "SM-N900K" : 61, 60 | "SHV-E250K" : 88, 61 | } 62 | 63 | def CalculateAkseed(number1, number2, number3, addOffset=addOffsets['Default']): 64 | i = 1 65 | calc1 = number2 66 | while (i <= (number3/2)): 67 | calc1 = (((number2 * number2) % number1) * calc1) % number1 68 | i+=1 69 | 70 | calc1 += addOffset 71 | 72 | calc2 = round((number1 * 0x181E5) % math.log(number1)) + addOffset 73 | calc3 = round(((number2 * number1) / number1) / math.log(number2)) + addOffset 74 | return "%d-%d-%d" % (calc1,calc2,calc3) 75 | 76 | def main(): 77 | parser = argparse.ArgumentParser() 78 | parser.add_argument('number1', metavar='number1', help='The 1st number in the akseed challenge.', nargs='?') 79 | parser.add_argument('number2', metavar='number2', help='The 2nd number in the akseed challenge.', nargs='?') 80 | parser.add_argument('number3', metavar='number3', help='The 3rd number in the akseed challenge.', nargs='?') 81 | parser.add_argument('-t', '--test', help='Run against the test numbers. Ignores other input.', action='store_true') 82 | 83 | args = parser.parse_args() 84 | 85 | if args.test is True: 86 | for challenge, expected in six.iteritems(testData): 87 | number1, number2, number3 = challenge.split("-") 88 | result = CalculateAkseed(int(number1), int(number2), int(number3)) 89 | print ("Input: %s Result: %s Expecting: %s" % (challenge, result, expected)) 90 | elif args.number1 is not None and args.number2 is not None and args.number3 is not None: 91 | print ("%s" % CalculateAkseed(int(args.number1), int(args.number2), int(args.number3))) 92 | else: 93 | parser.print_help() 94 | 95 | if __name__ == '__main__': 96 | main() 97 | 98 | 99 | --------------------------------------------------------------------------------