InformationWeek. com News, analysis and research for business technology professionals, plus peertopeer knowledge sharing.Engage with our community.C Encryption and Decryption using Microsoft Crypto.APIint tmainint argc, char argv.HCRYPTPROV h. Crypt.Prov NULL handle for a cryptographic provider context.HCRYPTHASH h. Hash NULL handle for hash object.LPCSTR key. Container My.Key. Container name of the key container to be used.Password1. 0 1.HCRYPTKEY h. Key handle for session key.Cryptographic Service Provider Microsoft Download' title='Cryptographic Service Provider Microsoft Download' />PBYTE pb.Buffer hold the data being encrypt or decrypt.DWORD dw. Count data length make sure that we have enough argument to do the demo.Usage Crypto. Console.CSPh. Crypt. Prov Get.Crypt. Containerkey.Container if h. Crypt.Provexit1 exit if failed to get CSP get the hash objecth.Hash Create. Hash.Objh. Crypt. Prov, sz.Password if h. Hashexit1 exit if failed to get hash object get the session keyh.Key Get. Derive. Keyh.Crypt. Prov, h. Hash if h.Keyexit1 exit if failed to get session key determine input data lengthint len strlenargv1 Determine the block size.If a block cipher is used, it must have room for an extra block.DWORD dw. Buffer.Len len ENCRYPTBLOCKSIZE len ENCRYPTBLOCKSIZE Allocate memoryifpb.Buffer BYTE mallocdw.Buffer. LenprintfMemory has been allocated for the buffer.Failed to allocate memory for the buffer.Buffer, argv1, dw.Buffer. Len printfn printfBefore encryption sn, argv1 dw.Count strlenargv1 encrypt dataif Crypt.Encrypth. Key,0,TRUE,0,pb.Buffer, amp dw. Count,dw.Buffer. LenprintfError during Crypt.Encrypt. n elseprintfAfter encryption sn, pb.Buffer unsignedchar.Decrypt pb. Buffer DWORD delen mbslenpb.Buffer decrypt dataifCrypt.Decrypth. Key,0,TRUE,0,pb. Looks Builder Serial Number Crackers . Buffer, amp delenprintfAfter decryption sn, pb.Buffer printfn Remove all referencesifpb.Bufferfreepb. Buffer ifh.KeyCrypt. Destroy.Keyh. Key ifh. HashCrypt.Destroy. Hashh. Hash ifh.Crypt. ProvCrypt.Release. Contexth.Crypt. Prov,0 return.Please enable cookies and refresh the page.
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