1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * (C) Copyright 2014 Freescale Semiconductor, Inc. 4 * Author: Ruchika Gupta <ruchika.gupta (at) freescale.com> 5 */ 6 7 #include <config.h> 8 #include <common.h> 9 #include <dm.h> 10 #include <u-boot/rsa-mod-exp.h> 11 12 int 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 26 static const struct mod_exp_ops mod_exp_ops_sw = { 27 .mod_exp = mod_exp_sw, 28 }; 29 30 U_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 37 U_BOOT_DEVICE(mod_exp_sw) = { 38 .name = "mod_exp_sw", 39 }; 40
