Rust

AES Encryption ECB Mode with PKCS7 Padding

See more Encryption Examples

Duplicates 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;
}

Rust

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

let crypt = chilkat::Crypt2::new();

// In the C# code above that is to be duplicated here, use the base64 encoded key.
let key_as_base64 = "...".to_string();
let encrypted_bytes_as_base64 = "....".to_string();

crypt.set_key_length(256);
crypt.set_crypt_algorithm("AES");
crypt.set_cipher_mode("ecb");
crypt.set_padding_scheme(0);
crypt.set_encoded_key(&key_as_base64, "base64");

crypt.set_encoding_mode("base64");

// Pass the base64 representation of the encrypted data.
// (The EncodingMode indicates you are passing base64.)
let ek_result = crypt.decrypt_string_enc(&encrypted_bytes_as_base64).unwrap_or_default();

println!("{}", ek_result);