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(C#) Encrypt / Decrypt a File and Verify it has not ChangedDemonstrates how to encrypt and decrypt a file, and verify it has not changed.
// This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. bool success; Chilkat.Crypt2 crypt = new Chilkat.Crypt2(); crypt.CryptAlgorithm = "aes"; crypt.CipherMode = "cbc"; crypt.KeyLength = 128; crypt.PaddingScheme = 0; string ivHex = "000102030405060708090A0B0C0D0E0F"; crypt.SetEncodedIV(ivHex,"hex"); string keyHex = "00010203040506071011121314151617"; crypt.SetEncodedKey(keyHex,"hex"); string dataFile = "qa_data/zips/HBIQ040615300005.ZIP"; string outFile = "qa_output/HBIQ040615300005.enc"; string outFile2 = "qa_output/HBIQ040615300005.ZIP"; success = crypt.CkEncryptFile(dataFile,outFile); success = crypt.CkDecryptFile(outFile,outFile2); Chilkat.FileAccess fac = new Chilkat.FileAccess(); bool bEqual = fac.FileContentsEqual(dataFile,outFile2); if (bEqual != true) { Debug.WriteLine("Decrypted file not equal to the original."); } else { Debug.WriteLine("Success."); } |
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