2 * (C) Copyright 2014 Freescale Semiconductor, Inc.
3 * Author: Ruchika Gupta <ruchika.gupta@freescale.com>
5 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/types.h>
17 #include <u-boot/rsa-mod-exp.h>
19 int fsl_mod_exp(struct udevice *dev, const uint8_t *sig, uint32_t sig_len,
20 struct key_prop *prop, uint8_t *out)
23 struct pk_in_params pkin;
24 uint32_t desc[MAX_CAAM_DESCSIZE];
28 keylen = prop->num_bits / 8;
32 pkin.n = prop->modulus;
34 pkin.e = prop->public_exponent;
35 pkin.e_siz = prop->exp_len;
37 inline_cnstr_jobdesc_pkha_rsaexp(desc, &pkin, out, sig_len);
39 ret = run_descriptor_jr(desc);
41 debug("%s: RSA failed to verify: %d\n", __func__, ret);
48 static const struct mod_exp_ops fsl_mod_exp_ops = {
49 .mod_exp = fsl_mod_exp,
52 U_BOOT_DRIVER(fsl_rsa_mod_exp) = {
53 .name = "fsl_rsa_mod_exp",
55 .ops = &fsl_mod_exp_ops,
58 U_BOOT_DEVICE(fsl_rsa) = {
59 .name = "fsl_rsa_mod_exp",