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(PHP Extension) AES Encryption ECB Mode with PKCS7 PaddingDuplicates the following C# code: public static byte[] DecryptBySymmetricKey(string encryptedText, byte[] key) { string keyAsBase64 = Convert.ToBase64String(key); byte[] dataToDecrypt = Convert.FromBase64String(encryptedText); var keyBytes = key; AesManaged tdes = new AesManaged(); tdes.KeySize = 256; tdes.BlockSize = 128; tdes.Key = keyBytes; tdes.Mode = CipherMode.ECB; tdes.Padding = PaddingMode.PKCS7; ICryptoTransform decrypt__1 = tdes.CreateDecryptor(); byte[] deCipher = decrypt__1.TransformFinalBlock(dataToDecrypt, 0, dataToDecrypt.Length); tdes.Clear(); string EK_result = Convert.ToBase64String(deCipher); return EK_result; }
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. $crypt = new CkCrypt2(); // In the C# code above that is to be duplicated here, use the base64 encoded key. $keyAsBase64 = '...'; $encryptedBytesAsBase64 = '....'; $crypt->put_KeyLength(256); $crypt->put_CryptAlgorithm('AES'); $crypt->put_CipherMode('ecb'); $crypt->put_PaddingScheme(0); $crypt->SetEncodedKey($keyAsBase64,'base64'); $crypt->put_EncodingMode('base64'); // Pass the base64 representation of the encrypted data. // (The EncodingMode indicates you are passing base64.) $EK_result = $crypt->decryptStringENC($encryptedBytesAsBase64); print $EK_result . "\n"; ?> |
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