drivers/crypto/rsa_mod_exp/mod_exp_sw.c

   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 };
  36
  37 U_BOOT_DEVICE(mod_exp_sw) = {
  38         .name = "mod_exp_sw",
  39 };