int RSA_print(BIO *bp, const RSA *x, int off)
	{
	char str[128];
	const char *s;
	unsigned char *m=NULL;
	int ret=0;
	size_t buf_len=0, i;

	if (x->n)
		buf_len = (size_t)BN_num_bytes(x->n);
	if (x->e)
		if (buf_len < (i = (size_t)BN_num_bytes(x->e)))
			buf_len = i;
	if (x->d)
		if (buf_len < (i = (size_t)BN_num_bytes(x->d)))
			buf_len = i;
	if (x->p)
		if (buf_len < (i = (size_t)BN_num_bytes(x->p)))
			buf_len = i;
	if (x->q)
		if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
			buf_len = i;
	if (x->dmp1)
		if (buf_len < (i = (size_t)BN_num_bytes(x->dmp1)))
			buf_len = i;
	if (x->dmq1)
		if (buf_len < (i = (size_t)BN_num_bytes(x->dmq1)))
			buf_len = i;
	if (x->iqmp)
		if (buf_len < (i = (size_t)BN_num_bytes(x->iqmp)))
			buf_len = i;

	m=(unsigned char *)OPENSSL_malloc(buf_len+10);
	if (m == NULL)
		{
		RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
		goto err;
		}

	if (x->d != NULL)
		{
		if(!BIO_indent(bp,off,128))
		   goto err;
		if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
			<= 0) goto err;
		}

	if (x->d == NULL)
		BIO_snprintf(str,sizeof str,"Modulus (%d bit):",BN_num_bits(x->n));
	else
		BUF_strlcpy(str,"modulus:",sizeof str);
	if (!print(bp,str,x->n,m,off)) goto err;
	s=(x->d == NULL)?"Exponent:":"publicExponent:";
	if (!print(bp,s,x->e,m,off)) goto err;
	if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
	if (!print(bp,"prime1:",x->p,m,off)) goto err;
	if (!print(bp,"prime2:",x->q,m,off)) goto err;
	if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
	if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
	if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
	ret=1;
err:
	if (m != NULL) OPENSSL_free(m);
	return(ret);
	}