diff --git a/ASYD_Cryptograhpy/ASYD_Cryptograhpy.sln b/ASYD_Cryptograhpy/ASYD_Cryptograhpy.sln index a878b11..2920cff 100644 --- a/ASYD_Cryptograhpy/ASYD_Cryptograhpy.sln +++ b/ASYD_Cryptograhpy/ASYD_Cryptograhpy.sln @@ -11,6 +11,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SW03-DHKE", "SW03-DHKE\SW03 EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SW04-DSA", "SW04-DSA\SW04-DSA.vcxproj", "{737511B3-89A4-41CD-A680-EE8CC74C60FA}" EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SW05-SHA1", "SW05-SHA1\SW05-SHA1.vcxproj", "{4F23BA48-5E70-4FBB-A131-26176C695776}" +EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution Debug|x64 = Debug|x64 @@ -51,6 +53,14 @@ Global {737511B3-89A4-41CD-A680-EE8CC74C60FA}.Release|x64.Build.0 = Release|x64 {737511B3-89A4-41CD-A680-EE8CC74C60FA}.Release|x86.ActiveCfg = Release|Win32 {737511B3-89A4-41CD-A680-EE8CC74C60FA}.Release|x86.Build.0 = Release|Win32 + {4F23BA48-5E70-4FBB-A131-26176C695776}.Debug|x64.ActiveCfg = Debug|x64 + {4F23BA48-5E70-4FBB-A131-26176C695776}.Debug|x64.Build.0 = Debug|x64 + {4F23BA48-5E70-4FBB-A131-26176C695776}.Debug|x86.ActiveCfg = Debug|Win32 + {4F23BA48-5E70-4FBB-A131-26176C695776}.Debug|x86.Build.0 = Debug|Win32 + {4F23BA48-5E70-4FBB-A131-26176C695776}.Release|x64.ActiveCfg = Release|x64 + {4F23BA48-5E70-4FBB-A131-26176C695776}.Release|x64.Build.0 = Release|x64 + {4F23BA48-5E70-4FBB-A131-26176C695776}.Release|x86.ActiveCfg = Release|Win32 + {4F23BA48-5E70-4FBB-A131-26176C695776}.Release|x86.Build.0 = Release|Win32 EndGlobalSection GlobalSection(SolutionProperties) = preSolution HideSolutionNode = FALSE diff --git a/ASYD_Cryptograhpy/SW05-SHA1/SW05-SHA1.vcxproj b/ASYD_Cryptograhpy/SW05-SHA1/SW05-SHA1.vcxproj new file mode 100644 index 0000000..65a1f67 --- /dev/null +++ b/ASYD_Cryptograhpy/SW05-SHA1/SW05-SHA1.vcxproj @@ -0,0 +1,138 @@ + + + + + Debug + Win32 + + + Release + Win32 + + + Debug + x64 + + + Release + x64 + + + + + + + + + + 16.0 + Win32Proj + {4f23ba48-5e70-4fbb-a131-26176c695776} + SW05SHA1 + 10.0 + + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + + + + + + + + + + + + + + + + + + + + Level3 + true + WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + true + true + + + + + Level3 + true + _DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + true + true + + + + + + \ No newline at end of file diff --git a/ASYD_Cryptograhpy/SW05-SHA1/SW05-SHA1.vcxproj.filters b/ASYD_Cryptograhpy/SW05-SHA1/SW05-SHA1.vcxproj.filters new file mode 100644 index 0000000..700242d --- /dev/null +++ b/ASYD_Cryptograhpy/SW05-SHA1/SW05-SHA1.vcxproj.filters @@ -0,0 +1,27 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd + + + {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms + + + + + Source Files + + + + + Header Files + + + \ No newline at end of file diff --git a/ASYD_Cryptograhpy/SW05-SHA1/main.c b/ASYD_Cryptograhpy/SW05-SHA1/main.c new file mode 100644 index 0000000..3c553cb --- /dev/null +++ b/ASYD_Cryptograhpy/SW05-SHA1/main.c @@ -0,0 +1,121 @@ +/** + *--------------------------------------------------------------------\n + * HSLU T&A Hochschule Luzern Technik+Architektur \n + *--------------------------------------------------------------------\n + * + * \brief ASYD assignment crypto 05 + * \file + * \author Basil Estermann, basil.estermann@stud.hslu.ch + * Simon Frei, simon.frei@stud.hslu.ch + * Jonas Arnold, jonas.arnold@stud.hslu.ch + * \date 23.03.2023 + * + *-------------------------------------------------------------------- + */ + +#include +#include +#include +#include +#include + +#define VALUE_LENGTH 32 +#define MESSAGE_DIGEST_LENGTH 160 +#define BLOCK_LENGTH (512/8) +#define INPUT_MESSAGE ("Testnachricht 123") + +#pragma region SHA1-Constants +#define H0 0x67452301 +#define H1 0xEFCDAB89 +#define H2 0x98BADCFE +#define H3 0x10325476 +#define H4 0xC3D2E1F0 +#pragma endregion + +void printBits(size_t const size, void const* const ptr); +uint32_t leftRotate(uint32_t n, uint32_t d); + +void main(void) { + + int result = 0; + + printf("------ Set initial hash value ------\n\n"); + #pragma region Initial Hash values + uint32_t h0, h1, h2, h3, h4; + h0 = H0; + h1 = H1; + h2 = H2; + h3 = H3; + h4 = H4; + #pragma endregion + + if (sizeof(INPUT_MESSAGE) * 8 > 447) { + printf("Message too long!"); + return 1000002; + } + + printf("------ Padding message ------\n\n"); + #pragma region Padding + unsigned char messageNoPadding[] = INPUT_MESSAGE; + printf("Size of message without padding: %i bits\n", sizeof(INPUT_MESSAGE) * 8); + printf("Message without padding\n"); + printBits(sizeof(messageNoPadding), &messageNoPadding); + unsigned char message[BLOCK_LENGTH] = ""; + // fill in message + for (uint32_t i = 0; i < sizeof(INPUT_MESSAGE); i++) + { + message[i] = INPUT_MESSAGE[i]; + } + // set bit + message[sizeof(INPUT_MESSAGE)] = 0b10000000; + printf("\nMessage after adding 1: \n"); + printBits(sizeof(message), &message); + message[BLOCK_LENGTH - 1] = sizeof(INPUT_MESSAGE) * 8; + printf("\nMessage after length 1: \n"); + printBits(sizeof(message), &message); + #pragma endregion + + printf("------ Message scheduling ------\n\n"); + #pragma region Message scheduling + uint32_t WordArray[80] = { 0 }; + for (uint32_t i = 0; i < 16; i++) { + uint32_t currentbyte = message[i] << 24; + uint32_t tmp = (uint32_t)(((uint8_t)(message[i * 4]) << 24) + ((uint8_t)(message[4 * i + 1]) << 16) + ((uint8_t)(message[4 * i + 2]) << 8) + (uint8_t)(message[4 * i + 3])); + WordArray[i] = tmp; + } + for (uint32_t i = 16; i < 80; i++) { + WordArray[i] = leftRotate((WordArray[i - 3] ^ WordArray[i - 8] ^ WordArray[i - 14] ^ WordArray[i - 16]), 1); + } + #pragma endregion + + return 0; +} + +uint32_t leftRotate(uint32_t n, uint32_t d) +{ + /* In n<>(INT_BITS - d) */ + return (n << d) | (n >> (VALUE_LENGTH - d)); +} + +// Assumes little endian +void printBits(size_t const size, void const* const ptr) +{ + unsigned char* b = (unsigned char*)ptr; + unsigned char byte; + int i, j; + + for (i = 0; i < size; i++) { + for (j = 7; j >= 0; j--) { + byte = (b[i] >> j) & 1; + printf("%u", byte); + } + } + /*for (i = size - 1; i >= 0; i--) { + for (j = 7; j >= 0; j--) { + byte = (b[i] >> j) & 1; + printf("%u", byte); + } + }*/ + puts(""); +} \ No newline at end of file