u-boot/drivers/crypto/rsa_mod_exp/mod_exp_uclass.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2014 Freescale Semiconductor, Inc
* Author: Ruchika Gupta <ruchika.gupta@freescale.com>
*/
#include <common.h>
#include <dm.h>
#include <u-boot/rsa-mod-exp.h>
#include <errno.h>
#include <fdtdec.h>
#include <malloc.h>
#include <asm/io.h>
#include <linux/list.h>
#if !defined(USE_HOSTCC) && defined(CONFIG_NEEDS_MANUAL_RELOC)
DECLARE_GLOBAL_DATA_PTR;
#endif
int rsa_mod_exp(struct udevice *dev, const uint8_t *sig, uint32_t sig_len,
struct key_prop *node, uint8_t *out)
{
struct mod_exp_ops *ops = (struct mod_exp_ops *)device_get_ops(dev);
#if !defined(USE_HOSTCC) && defined(CONFIG_NEEDS_MANUAL_RELOC)
static bool done;
if (!done) {
done = true;
ops->mod_exp += gd->reloc_off;
}
#endif
if (!ops->mod_exp)
return -ENOSYS;
return ops->mod_exp(dev, sig, sig_len, node, out);
}
UCLASS_DRIVER(mod_exp) = {
.id = UCLASS_MOD_EXP,
.name = "rsa_mod_exp",
};