rijndael_encrypt
void rijndael_encrypt(const rijndael_ctx *, const u_char *, u_char *);
rijndael_encrypt(ctx, b0, auth);
rijndael_encrypt(ctx, auth, auth);
rijndael_encrypt(ctx, auth, auth);
rijndael_encrypt(ctx, b0, s0);
rijndael_encrypt(&ctx->cc_aes, _b, _b); \
rijndael_encrypt(&ctx->cc_aes, _b0, _e); \
rijndael_encrypt(&ctx->cc_aes, _b0, _b); \
rijndael_encrypt(&ctx->cc_aes, _a, _a); \