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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2014 Freescale Semiconductor, Inc
- * Author: Ruchika Gupta <ruchika.gupta@freescale.com>
- */
- #define LOG_CATEGORY UCLASS_MOD_EXP
- #include <common.h>
- #include <dm.h>
- #include <asm/global_data.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",
- };
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