/***** Define the key for Rijndael (AES) encryption algorithm *****/
char key[SLC_RIJNDAEL_DEFAULTKEYSIZE] = 
{
    'v','e','r','y','l','o','n','g',

    'p','a','s','s','w','o','r','d'

};

/***** Define the block for Rijndael (AES) encryption algorithm ***/
unsigned char block[SLC_RIJNDAEL_BLOCKSIZE] = 
{
    0x8C, 0x5B, 0x3C, 0x42, 0xDE, 0xB1, 0x11, 0xA0,

    0x42, 0xE7, 0x29, 0xC0, 0x41, 0x9D, 0x09, 0xE1,
};

/***** Initialize context ******************************/
unsigned char context[SLC_RIJNDAEL_CONTEXTSIZE];

SL_RIJNDAEL_Init( context, SLC_ENCRYPT, key, SLC_RIJNDAEL_DEFAULTKEYSIZE );

/***** Encrypt the block *******************************/
SL_RIJNDAEL_ProcessBlock( context, block, block ); /* in-place encryption */

/***** Change context direction to perform decryption **/
SL_RIJNDAEL_Init( context, SLC_DECRYPT, key, SLC_RIJNDAEL_DEFAULTKEYSIZE );

/***** Decrypt the block *******************************/
SL_RIJNDAEL_ProcessBlock( context, block, block ); /* in-place decryption */