rijndael_encrypt
void rijndael_encrypt(rijndael_ctx *, const u_char *, u_char *);
rijndael_encrypt(&ctx->key2, ctx->tweak, ctx->tweak);
rijndael_encrypt(&ctx->key1, block, data);
rijndael_encrypt(&ctx, &p[i], &c[i]);
rijndael_encrypt(&ctx->key2, ctx->tweak, ctx->tweak);
rijndael_encrypt(&ctx->key1, block, data);
void rijndael_encrypt(rijndael_ctx *, const u_char *, u_char *);
rijndael_encrypt(&swap_ctxt, (u_char *)iv, (u_char *)iv);
rijndael_encrypt(&swap_ctxt, (u_char *)ddst, (u_char *)ddst);
rijndael_encrypt(&swap_ctxt, (u_char *)iv, (u_char *)iv);