37 #if LWIP_INCLUDED_POLARSSL_DES 
   39 #ifndef LWIP_INCLUDED_POLARSSL_DES_H 
   40 #define LWIP_INCLUDED_POLARSSL_DES_H 
   65 void des_setkey_enc( des_context *ctx, 
unsigned char key[8] );
 
   73 void des_setkey_dec( des_context *ctx, 
unsigned char key[8] );
 
   82 void des_crypt_ecb( des_context *ctx,
 
   83                     const unsigned char input[8],
 
   84                     unsigned char output[8] );