1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2014 Freescale Semiconductor, Inc.
4 * Author: Ruchika Gupta <ruchika.gupta@freescale.com>
5 */
6
7 #include <config.h>
8 #include <common.h>
9 #include <dm.h>
10 #include <log.h>
11 #include <u-boot/rsa-mod-exp.h>
12
mod_exp_sw(struct udevice * dev,const uint8_t * sig,uint32_t sig_len,struct key_prop * prop,uint8_t * out)13 static 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_DRVINFO(mod_exp_sw) = {
39 .name = "mod_exp_sw",
40 };
41