iamtheky Posted March 30, 2016 Share Posted March 30, 2016 I'm starting these as they seem like good exercises to sharpen skills: Here is the link, and my solution to challenge 1, feel free to add yours. http://cryptopals.com/sets/1/challenges/1/ I found B64encode on the Forum, dont know where it originated to give proper credit. expandcollapse popup#include<string.au3> ; $sStringHex = "49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d" $sString = _HexToString($sStringHex) $sStringBin = Binary($sString) $sString64 = _B64Encode($sStringBin) MsgBox(0, '' , $sString64) Func _B64Encode($sSource) Local Static $Opcode, $tMem, $fStartup = True If $fStartup Then If @AutoItX64 Then $Opcode = '0xC810000053574889CE4889D74C89C34C89C89948C7C10600000048F7F14889C14883FA00740348FFC1488B06480FC848C1E80EC0E802D788470748C1E806C0E802D788470648C1E806C0E802D788470548C1E806C0E802D788470448C1E806C0E802D788470348C1E806C0E802D788470248C1E806C0E802D788470148C1E806C0E802D788074883C6064883C708E2994883FA00743B49C7C5060000004929D54883FA03770349FFC54C29EF4883FA03741F4883FA01740E4883FA047408C6073D48FFC7EB0BC6073DC647013D4883C702C607005F5BC9C3' Else $Opcode = '0xC80800008B451499B903000000F7F189C1528B5D108B75088B7D0C83FA007401418B160FCAC1EA0888D0243FD7884703C1EA0688D0243FD7884702C1EA0688D0243FD7884701C1EA0688D0243FD7880783C60383C704E2C95A83FA00740DC647FF3D83FA027404C647FE3DC60700C9C21000' EndIf Local $aMemBuff = DllCall("kernel32.dll", "ptr", "VirtualAlloc", "ptr", 0, "ulong_ptr", BinaryLen($Opcode), "dword", 4096, "dword", 64) $tMem = DllStructCreate('byte[' & BinaryLen($Opcode) & ']', $aMemBuff[0]) DllStructSetData($tMem, 1, $Opcode) $fStartup = False EndIf $sSource = Binary($sSource) Local $iLen = BinaryLen($sSource) $tSource = DllStructCreate('byte[' & $iLen & ']') DllStructSetData($tSource, 1, $sSource) Local $tOutput = DllStructCreate('char[' & Ceiling($iLen * (4 / 3) + 3) & ']') DllCall("kernel32.dll", "bool", "VirtualProtect", "struct*", $tOutput, "dword_ptr", DllStructGetSize($tOutput), "dword", 0x00000004, "dword*", 0) Local $sTable = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' DllCallAddress('none', DllStructGetPtr($tMem), 'struct*', $tSource, 'struct*', $tOutput, 'str', $sTable, 'uint', $iLen) Return DllStructGetData($tOutput, 1) EndFunc ;==>_B64Encode ,-. .--. ________ .-. .-. ,---. ,-. .-. .-. .-. |(| / /\ \ |\ /| |__ __||| | | || .-' | |/ / \ \_/ )/ (_) / /__\ \ |(\ / | )| | | `-' | | `-. | | / __ \ (_) | | | __ | (_)\/ | (_) | | .-. | | .-' | | \ |__| ) ( | | | | |)| | \ / | | | | | |)| | `--. | |) \ | | `-' |_| (_) | |\/| | `-' /( (_)/( __.' |((_)-' /(_| '-' '-' (__) (__) (_) (__) Link to comment Share on other sites More sharing options...
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