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(PHP ActiveX) 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 // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Crypt2') $crypt = new COM("Chilkat.Crypt2"); // In the C# code above that is to be duplicated here, use the base64 encoded key. $keyAsBase64 = '...'; $encryptedBytesAsBase64 = '....'; $crypt->KeyLength = 256; $crypt->CryptAlgorithm = 'AES'; $crypt->CipherMode = 'ecb'; $crypt->PaddingScheme = 0; $crypt->SetEncodedKey($keyAsBase64,'base64'); $crypt->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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