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7#include <config.h>
8#include <common.h>
9#include <dm.h>
10#include <u-boot/rsa-mod-exp.h>
11
12int mod_exp_sw(struct udevice *dev, const uint8_t *sig, uint32_t sig_len,
13 struct key_prop *prop, uint8_t *out)
14{
15 int ret = 0;
16
17 ret = rsa_mod_exp_sw(sig, sig_len, prop, out);
18 if (ret) {
19 debug("%s: RSA failed to verify: %d\n", __func__, ret);
20 return ret;
21 }
22
23 return 0;
24}
25
26static const struct mod_exp_ops mod_exp_ops_sw = {
27 .mod_exp = mod_exp_sw,
28};
29
30U_BOOT_DRIVER(mod_exp_sw) = {
31 .name = "mod_exp_sw",
32 .id = UCLASS_MOD_EXP,
33 .ops = &mod_exp_ops_sw,
34 .flags = DM_FLAG_PRE_RELOC,
35};
36
37U_BOOT_DEVICE(mod_exp_sw) = {
38 .name = "mod_exp_sw",
39};
40