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    • By TheXman
      Encryption / Decryption / Hashing
      Purpose
      Cryptography API: Next Generation (CNG) is Microsoft's long-term replacement for their CryptoAPI.  CNG is designed to be extensible at many levels and cryptography agnostic in behavior.  Although the Crypt.au3 UDF that is installed with AutoIt3 still works perfectly, the advapi32.dll functions that it uses have been deprecated.  This UDF was created to offer a replacement for the deprecated functions.  According to Microsoft, deprecated functions may be removed in future release.  Therefore, this UDF will be available when/if that happens.
      Description
      This UDF implements some of Microsoft's Cryptography API: Next Generation (CNG) Win32 API functions.  In its initial release, it implements functions to encrypt text & files, decrypt text and files, generate hashes, and the Password-Based Key Derivation Function 2 (PBKDF2) function.  The UDF can implement any the encryption/decryption algorithms or hashing algorithms that are installed on the PC in which it is running.  Most, if not all, of the values that you would commonly use to specify that desired algorithms, key bit lengths, and other magic number type values, are already defined as constants or enums in the UDF file.
      To flatten the learning curve, there is an example file that shows examples of all of the major functionality.  This example file is not created to be an exhaustive set of how to implement each feature and parameter.  It is designed to give you a template or guide to help you hit the ground running in terms of using the functions.  I have tried to fully document the headers of all of the functions as well as the code within the functions themselves.
      The UDF currently has all of the same functionality as the Crypt.au3 except for the random number generation function.  I left that out of the initial version because the functionality already exists in the Crypt.au3 UDF as well as the Random() function in AutoIt3 itself.
      Current UDF Functions
      _CryptoNG_CreateRSAKeyPair($iKeyBitLength, $sPublicKeyPath, $sPrivateKeyPath, $sProvider = "Microsoft Primitive Provider") _CryptoNG_DecryptData($sAlgorithmId, $xData, $vEncryptionKey, $sProvider = "Microsoft Primitve Provider") _CryptoNG_DecryptFile($sAlgorithmId, $sInputFile, $sOutputFile, $vEncryptionKey, $sProvider = "Microsoft Primitve Provider") _CryptoNG_EncryptData($sAlgorithmId, $sText, $vEncryptionKey, $sProvider = "Microsoft Primitve Provider") _CryptoNG_EncryptFile($sAlgorithmId, $sInputFile, $sOutputFile, $vEncryptionKe, $sProvider = "Microsoft Primitve Provider") _CryptoNG_EnumAlgorithms($iAlgorithmOperations) _CryptoNG_EnumRegisteredProviders() _CryptoNG_HashData($sAlgorithmId, $vData, $bHMAC = False, $vHMACSecret = "", $sProvider = "Microsoft Primitve Provider") _CryptoNG_HashFile($sAlgorithmId, $sFilePath, $bHMAC = False, $vHMACSecret = "", $sProvider = "Microsoft Primitve Provider") _CryptoNG_LastErrorMessage() _CryptoNG_PBKDF2($sPassword, $vSalt, $iIterations, $iDKeyBitLength, $sHashAlgorithmId = $CNG_BCRYPT_SHA1_ALGORITHM, $sProvider = "Microsoft Primitve Provider") _CryptoNG_Version()  
       
      Related Links
      Cryptography API: Next Generation - Main Page
      Cryptography API: Next Generation - Reference
      Cryptography API: Next Generation - Primitives
      Cryptography API: Next Generation - Cryptographic Algorithm Providers
    • By AlwaysLearning
      Hello,
      I have been struggling with this for nearly 20 hours, and I just cannot seem to figure out the formatting for the header request.
      To test this, you will need to use this api key I set up for your testing purposes. (note, I sent tracexx a direct message about this as I didn't realize I could limit API restrictions until just now, so I am now hoping on of you may have the answer on hand)
      I need to be able to GET balance and POST orders.
      Right now, I can't get past the 401/403 errors on my own.
      I believe the Content is formatted for JSON, but using the JSON format didn't work for me ( although that may be because I'm an idiot and formatted something wrong).
      I want to get:
      GET balance page POST delete order page Here is a temporary API key + Secret API key with only the "View Balance Page" and "Delete Order" functions enabled:
      Access-key: tq6GeUrEvfxyF-LG
      Secret Access-Key: cZlz75K1wb8-Ed67pRaXvUWTPW6RTH9q

      Here is the site's API guide (I followed this closely and doubt the error is there): https://coincheck.com/documents/exchange/api#libraries
       
      And here is running source code (needs those keys inputted) which will hash the above keys to the required HMAC SHA256:
      #include <Crypt.au3> #include<WinHttp.au3> Global Const $CALG_SHA_256 = 0x0000800c ;; ===== $api = "/api/accounts/balance" $accessNonCE = _TimeGetStamp() $url = "https://coincheck.com/api/accounts/balance" $body = "" WinHTTP($url, $body) Func WinHTTP($sUrl, $sBody) Local $hOpen = _WinHttpOpen() Local $hConnect = _WinHttpConnect($hOpen, "https://coincheck.com/api/accounts/balance") ; Specify the reguest: ;Local $hRequest = _WinHttpOpenRequest($hConnect, Default, $sApi) $accessKey = "" ;; Add the key from above $secretKey = "" ;; Add the secret key from above $message = $accessNonCE & $sUrl $BinarySignature = HMAC($secretKey, $message) $signature = _Base64Encode($BinarySignature) ;Encode signature Local $hRequest = _WinHttpOpenRequest($hConnect, "GET") _WinHttpAddRequestHeaders($hRequest, 'ACCESS-KEY: '&$accessKey) _WinHttpAddRequestHeaders($hRequest, 'ACCESS-NONCE: '&$accessNonCE) _WinHttpAddRequestHeaders($hRequest, 'ACCESS-SIGNATURE: '&$signature) ; Send request _WinHttpSendRequest($hRequest) ; Wait for the response _WinHttpReceiveResponse($hRequest) Local $sHeader = _WinHttpQueryHeaders($hRequest) ; ...get full header Local $sData = _WinHttpReadData($hRequest) ; Clean _WinHttpCloseHandle($hRequest) _WinHttpCloseHandle($hConnect) _WinHttpCloseHandle($hOpen) ; Display retrieved data MsgBox(0, "Data", $sData) EndFunc Func sha256($message) Return _Crypt_HashData($message, $CALG_SHA_256) EndFunc Func HMAC($key, $message, $hash="sha256") Local $blocksize = 64 Local $a_opad[$blocksize], $a_ipad[$blocksize] Local Const $oconst = 0x5C, $iconst = 0x36 Local $opad = Binary(''), $ipad = Binary('') $key = Binary($key) If BinaryLen($key) > $blocksize Then $key = Call($hash, $key) For $i = 1 To BinaryLen($key) $a_ipad[$i-1] = Number(BinaryMid($key, $i, 1)) $a_opad[$i-1] = Number(BinaryMid($key, $i, 1)) Next For $i = 0 To $blocksize - 1 $a_opad[$i] = BitXOR($a_opad[$i], $oconst) $a_ipad[$i] = BitXOR($a_ipad[$i], $iconst) Next For $i = 0 To $blocksize - 1 $ipad &= Binary('0x' & Hex($a_ipad[$i],2)) $opad &= Binary('0x' & Hex($a_opad[$i],2)) Next Return Call($hash, $opad & Call($hash, $ipad & Binary($message))) EndFunc Func _TimeGetStamp() Local $av_Time $av_Time = DllCall('CrtDll.dll', 'long:cdecl', 'time', 'ptr', 0) If @error Then SetError(99) Return False EndIf Return $av_Time[0] EndFunc Func _Base64Encode($input) $input = Binary($input) Local $struct = DllStructCreate("byte[" & BinaryLen($input) & "]") DllStructSetData($struct, 1, $input) Local $strc = DllStructCreate("int") Local $a_Call = DllCall("Crypt32.dll", "int", "CryptBinaryToString", _ "ptr", DllStructGetPtr($struct), _ "int", DllStructGetSize($struct), _ "int", 1, _ "ptr", 0, _ "ptr", DllStructGetPtr($strc)) If @error Or Not $a_Call[0] Then Return SetError(1, 0, "") ; error calculating the length of the buffer needed EndIf Local $a = DllStructCreate("char[" & DllStructGetData($strc, 1) & "]") $a_Call = DllCall("Crypt32.dll", "int", "CryptBinaryToString", _ "ptr", DllStructGetPtr($struct), _ "int", DllStructGetSize($struct), _ "int", 1, _ "ptr", DllStructGetPtr($a), _ "ptr", DllStructGetPtr($strc)) If @error Or Not $a_Call[0] Then Return SetError(2, 0, ""); error encoding EndIf Return DllStructGetData($a, 1) EndFunc ;==>_Base64Encode
       
    • By Graeme
      I was looking for a way to calculate the sha512 value of files downloaded and eventually came across crypt.au3 in my include folder. It looks good but when I looked at the global constants the three values for Sha 2 are commented out. Is there a reason for that or should these be made available?
    • By usmiv4o
      #cs ---------------------------------------------------------------------------- AutoIt Version: 3.2.4.3 Author: usmiv4o Script Function: AutoIt script to check if files in directory are changed. It is usefull for security contra-inteligense measures. Function Name: LoadTripwireDB() Description: Loads database (text file tripwire.txt) and compare files in /test folder for changes. compares Hash (MD5) checksums. If they are not the same starts Initial() Function Name: Initial() Description: Checks directory and makes index of files and their MD5 checksums in text file (tripwire.txt) Function Name: Hush() Description: Checks file and returns its MD5 checksum. Requirement(s): Windows XP Return Value(s): On Success - Returns true. Files are the same as before. On Failure - return false. Example: LoadTripwireDB() #ce ---------------------------------------------------------------------------- #include <Crypt.au3> #include <File.au3> #include <Array.au3> $sDir = @ScriptDir & "\Test" $sFilePath = @ScriptDir & "\tripwire.txt" Func Hush(ByRef $sFile) $sRead = FileOpen( $sFile) $dHash = _Crypt_HashData($sRead, $CALG_MD5) ; Create a hash of the text entered. ConsoleWrite("Hash of file " & $sFile & " is " & $dHash & @CRLF) EndFunc ;ConsoleWrite("Files in Dir are " & $aScriptDir[0] & @CRLF) ;$sFilePath = @ScriptDir & "\Examples.txt" ;_FileWriteFromArray($sFilePath, $aScriptDir, 1) ;_ArrayDisplay($aScriptDir, "1D display") Func Initial() $aScriptDir = _FileListToArray($sDir) for $i = 1 To UBound($aScriptDir) - 1 $dHash = _Crypt_HashData($i, $CALG_MD5) ;ConsoleWrite("File " & $aScriptDir[$i] & " is " & $dHash & @CRLF) ConsoleWrite($aScriptDir[$i] & ":" & $dHash & @CRLF) ;Hush($aScriptDir[$i]) ;FileWrite $hFileOpen = FileOpen($sFilePath, $FO_APPEND) If $hFileOpen = -1 Then MsgBox($MB_SYSTEMMODAL, "", "An error occurred when reading the file.") EndIf FileWrite($hFileOpen, $aScriptDir[$i] & ":" & $dHash & @CRLF) Next EndFunc Func Monitor() $aScriptDir = _FileListToArray($sDir) for $i = 1 To UBound($aScriptDir) - 1 Next EndFunc Func LoadTripwireDB() $comparison_ok = false $dArray = _FileListToArray($sDir) ;directory $dArray0 = UBound($dArray) - 1 $fArray = FileReadToArray($sFilePath) ;file $fArray0 = UBound($fArray) ;_ArrayDisplay($dArray, "files array") if $dArray0 = $fArray0 Then ; are file same as recorded in txt file? ;ConsoleWrite("files in monitoring dir: " & $dArray[0] & " = file recorded: " & $fArray0 & @CRLF & $fArray[0]& @CRLF) for $i = 1 To UBound($dArray) - 1 ;ConsoleWrite("i = " & $i & @CRLF) $dHash = _Crypt_HashData($i, $CALG_MD5) ;binary ;$dHash = BinaryToString($dHash) $ffhash = StringSplit( $fArray[$i-1],":") $fhash = $ffhash[2] ;ConsoleWrite("IsBinary $dHash " & IsBinary($dHash) & @CRLF) if $dHash = $fhash Then ;if compared hashes are equal ;ConsoleWrite($fhash & ":" & $dHash & " equal" & @CRLF) ;ConsoleWrite("File: " & $fhash & @CRLF & "Directory: " & $dHash & @CRLF & "equal: yes " & @CRLF) Else ;if compared hashes are not equal ;ConsoleWrite("File: " & $fhash & @CRLF & "Directory: " & $dHash & @CRLF & "equal: not " & @CRLF) ;MsgBox(0,"hash md5",$fhash & ":" & $dHash & " not equal") EndIf Next ;ConsoleWrite("hashes are equal" & @CRLF) $comparison_ok = true Else ConsoleWrite("number of files in monitoring dir are not same as recorded" & @CRLF) ConsoleWrite("directory: " & $dArray[0] &":"& "files: " & UBound($fArray) - 1 & @CRLF) EndIf Return $comparison_ok EndFunc #main if LoadTripwireDB() = true Then ConsoleWrite(" hashes are equal " & @CRLF) ElseIf LoadTripwireDB() <> true Then ConsoleWrite(" hashes are not equal " & @CRLF) ConsoleWrite(" hashes are not equal " & @CRLF) Initial() EndIf  
      tripwire.au3
      tripwire.txt
    • By argumentum
      I've got a bunch of hash from files in a folder
      0x45B265C13EC41DD3272E547A837EF0604E06EF6C 0x73418EE0D435F0995DE000A0CB9A895B8031D62B 0x6FB325DDFA9AFCB148B815F41C94F5BBC3735E0B 0xE8BC5E1676E64E9EE77A7EBD56D910D60D453A2A 0xFF311E2FEC610B2E0A3169435CBC48D5B1B53A57 0x728EDF8577DF247CBC69ED6F2F9EACB3BF845150 0x8CABC5A4BDA856E0D0E884D0F4A335CB2457941D 0xCEBB04B9099141009329E13EDBD8B5CFB14A49A5 0xD7AA968FCF6AC9691F6ED801BA9291EBBBAFED71 0xBBBA76A66C54D53BADE77245D9F205F1EB9CC685 0x39DD14E5DB99F39F68182494C0B48CEFB5DDFDDF 0x32C2A01B523D973D933FC004237CAB4B792231BF 0x6AE1A10B7505DDABEECEAFD13B2EC2A8D7286587 how can I make a sum of the hash to have a hash that'd represent these hash as a single hash resultant of these ?.
      I was thinking of sorting them and adding 'em to a string and hash that string but there may be a proper way to do it.
      Any and all ideas are welcomed.
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