1 /*
2  * (C) Copyright 2014 Freescale Semiconductor, Inc.
3  * Author: Ruchika Gupta <ruchika.gupta@freescale.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <config.h>
9 #include <common.h>
10 #include <dm.h>
11 #include <u-boot/rsa-mod-exp.h>
12 
13 int mod_exp_sw(struct udevice *dev, const uint8_t *sig, uint32_t sig_len,
14 		struct key_prop *prop, uint8_t *out)
15 {
16 	int ret = 0;
17 
18 	ret = rsa_mod_exp_sw(sig, sig_len, prop, out);
19 	if (ret) {
20 		debug("%s: RSA failed to verify: %d\n", __func__, ret);
21 		return ret;
22 	}
23 
24 	return 0;
25 }
26 
27 static const struct mod_exp_ops mod_exp_ops_sw = {
28 	.mod_exp	= mod_exp_sw,
29 };
30 
31 U_BOOT_DRIVER(mod_exp_sw) = {
32 	.name	= "mod_exp_sw",
33 	.id	= UCLASS_MOD_EXP,
34 	.ops	= &mod_exp_ops_sw,
35 	.flags	= DM_FLAG_PRE_RELOC,
36 };
37 
38 U_BOOT_DEVICE(mod_exp_sw) = {
39 	.name = "mod_exp_sw",
40 };
41