Error During Cryptdecrypt
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and policies of this site About Us Learn more about Stack Overflow the company Business cryptderivekey Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack https://support.microsoft.com/en-us/kb/981118 Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Bad Data error at CryptDecrypt when using AES 256 (MS CryptoAPI) up vote 1 down vote favorite I'm trying to decrypt - using the http://stackoverflow.com/questions/7851402/bad-data-error-at-cryptdecrypt-when-using-aes-256-ms-cryptoapi microsoft's CryptoAPI in C++ - a short message encrypted using mcrypt_encrypt in PHP. The php line is: mcrypt_encrypt( MCRYPT_RIJNDAEL_256, $key, $msg, MCRYPT_MODE_CBC); where $key and $msg are strings. In C++ I have the key, and my decryption function looks like this: bool decrypt( const unsigned char* input_buffer, const size_t& input_size, const unsigned char* key, const size_t& key_size, unsigned char* output_buffer, DWORD* out_size) { Log(L"START init_crypto"); bool ret = false; HCRYPTKEY hKey = NULL; HCRYPTPROV hCryptProv = NULL; DWORD dwDataLen = 0; // Attempt to acquire a handle to the crypto provider for AES if(0 == CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_AES, CRYPT_VERIFYCONTEXT) ){//PROV_RSA_AES Log(L"CryptAcquireContext failed with code %ld", GetLastError()); goto end; } // key creation based on // http://mirror.leaseweb.com/NetBSD/NetBSD-release-5-0/src/dist/wpa/src/crypto/crypto_cryptoapi.c struct { BLOBHEADER hdr; DWORD len; BYTE key[32]; } key_blob; key_blob.hdr.bType = PLAINTEXTKEYBLOB; key_blob.hdr.bVersion = CUR_BLOB_VERSION; key_blob.hdr.reserved = 0; key_blob.hdr.aiKeyAlg = CALG_AES_256; key_blob.len = 32;//key_size; memset(key_blob.key, '\0', sizeof(key_blob.key)); assert(key_size <= sizeof(key_blob.key)); CopyMemor
here for a quick overview of the site Help Center Detailed http://stackoverflow.com/questions/29785054/cryptdecrypt-fails-with-nt-bad-data-0x80090005 answers to any questions you might have Meta Discuss the https://support.symantec.com/en_US/article.TECH148020.html workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join error during the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up CryptDecrypt fails with NT_BAD_DATA (0x80090005) up vote 0 down vote favorite The following code by Alejandro Magencio generate key pairs, encrypts error during cryptdecrypt and decrypts files with the Microsoft CryptoAPI works well, but only for files smaller than the key: http://blogs.msdn.com/b/alejacma/archive/2008/01/28/how-to-generate-key-pairs-encrypt-and-decrypt-data-with-cryptoapi.aspx I am trying to extend this code in order to encrypt and decrypt larger files. Here is the complete listing as far as I got. It encrypts but on the second time in the decrypt loop I get a bad data error. Any help will be greatly appreciated and I promise to post the full working code. Thanks in advance! /* EncryptDecrypt.c This program was compiled on Windows 7 64-bit with Visual Studio 2013 Desktop Express. To run: EncryptDecrypt.exe k C:\temp\myprivate.key C:\temp\mypublic.key EncryptDecrypt.exe e C:\temp\myprivate.key C:\temp\todo.txt C:\temp\done.txt EncryptDecrypt.exe d C:\temp\mypublic.key C:\temp\done.txt C:\temp\redone.txt */ #include "stdio.h" #include "conio.h" #include "windows.h" #include "wincrypt.h" #include "tchar.h" #define ENCRYPTEDLENGTH (128) #define MAXSIZE (128 - 11) // size of chunk we can use for this program // FUNCTIONS int Keys(_TCHAR* strPublicKeyFile, _TCHAR* strPrivateKeyFile
PKI Service Identity Access Manager Shop Online Cyber Security Services Managed Security Services DeepSight Intelligence Incident Response Security Simulation Website Security SSL Certificates Complete Website Security Code Signing Certificates Norton Shopping Guarantee Buy SSL Products A-Z Services Services Home Business Critical Services Consulting Services Customer Success Services Cyber Security Services Education Services Solutions Solutions Home Topics Encryption Everywhere Internet of Things Next Generation Endpoint Office 365 Industries Automotive Cyber Insurance Education Financial Services Global Service Providers Industrial Control Systems Healthcare Retail Government Federal Government State & Local Support Center Technical Support Symantec Connect Buying Programs Upgrades Maintenance & Renewals Training Security Center Security Center Home Blogs ISTR Threats Virus Definitions and Security Updates Removal Tools Partner Find a Partner Become a Partner Login Required Login into Partner Portal Partner Licensing Partner Renewals Partner Training Margin Builder Opportunity Registration Financial Benefits English 中文(简体) 中文(繁體) Česká English Français Deutsch Magyar Italiano 日本語 한국어 Polski Português Pусский Español Site: Symantec Enterprise Small Business Norton United States Search Support Home Support Home MySymantec Licensing Products A-Z SYM16-015 Security Advisory Login Profile Subscriptions Logout Login Forgot Password? Don't have a SymAccount? Create a SymAccount now!' KNOWN ISSUE: CryptDecrypt error after changing Application Identity password to a 32 character password. TECH148020 April 14th, 2015 http://www.symantec.com/docs/TECH148020 Support / KNOWN ISSUE: CryptDecrypt error after changing Application Identity password to a 32 character password. Did this article resolve your issue? Thank you for your feedback! Provide feedback on this article Request Assistance Print Article Products Subscribe to this Article Manage your Subscriptions Search Again Situation Altiris Agent does not support a password of 32 characters or greater. Steps to Duplicate: 1. Set the password to the Application Identity account to be 32 characters or greater in length. 2. Update the Notification Server Settings\Application Identity information to use the new password. 3. Update the Agent configuration. This will generate the errors mentioned below. Error