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(Lianja) PBES2 Password-Based EncryptionSee more Encryption ExamplesDemonstrates PBES2 encryptionFor more information, see https://www.chilkatsoft.com/explaining_pbes2_encryption.asp
// This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. loCrypt = createobject("CkCrypt2") // Set properties for PBES2 encryption: // When the encryption algorithm is set to "pbes2", // Chilkat will automatically derive the actual secret key using PBKDF2 and // the specified paramters: password, salt, iteration count, hash function, and desired key length. loCrypt.CryptAlgorithm = "pbes2" loCrypt.PbesPassword = "mySecretPassword" // Set the underlying PBE algorithm (and key length): loCrypt.PbesAlgorithm = "aes" loCrypt.KeyLength = 256 loCrypt.SetEncodedIV("000102030405060708090A0B0C0D0E0F","hex") // Give it some salt: loCrypt.SetEncodedSalt("0102030405060708","hex") // A higher iteration count makes the algorithm more // computationally expensive and therefore exhaustive // searches (for breaking the encryption) is more difficult: loCrypt.IterationCount = 1024 // A hash algorithm needs to be set for PBES2: loCrypt.HashAlgorithm = "sha256" // Indicate that the encrypted bytes should be returned // as a hex string: loCrypt.EncodingMode = "hex" lcPlainText = "To be encrypted." lcEncryptedText = loCrypt.EncryptStringENC(lcPlainText) ? lcEncryptedText // Now decrypt: lcDecryptedText = loCrypt.DecryptStringENC(lcEncryptedText) ? lcDecryptedText release loCrypt |
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