upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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92 lines
2.4 KiB
92 lines
2.4 KiB
/*
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* Copyright (c) 2013, Google Inc.
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*
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* (C) Copyright 2008 Semihalf
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*
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* (C) Copyright 2000-2006
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _RSA_H
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#define _RSA_H
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#include <errno.h>
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#include <image.h>
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#if IMAGE_ENABLE_SIGN
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/**
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* sign() - calculate and return signature for given input data
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*
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* @info: Specifies key and FIT information
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* @data: Pointer to the input data
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* @data_len: Data length
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* @sigp: Set to an allocated buffer holding the signature
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* @sig_len: Set to length of the calculated hash
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*
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* This computes input data signature according to selected algorithm.
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* Resulting signature value is placed in an allocated buffer, the
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* pointer is returned as *sigp. The length of the calculated
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* signature is returned via the sig_len pointer argument. The caller
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* should free *sigp.
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*
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* @return: 0, on success, -ve on error
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*/
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int rsa_sign(struct image_sign_info *info,
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const struct image_region region[],
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int region_count, uint8_t **sigp, uint *sig_len);
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/**
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* add_verify_data() - Add verification information to FDT
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*
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* Add public key information to the FDT node, suitable for
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* verification at run-time. The information added depends on the
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* algorithm being used.
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*
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* @info: Specifies key and FIT information
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* @keydest: Destination FDT blob for public key data
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* @return: 0, on success, -ve on error
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*/
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int rsa_add_verify_data(struct image_sign_info *info, void *keydest);
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#else
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static inline int rsa_sign(struct image_sign_info *info,
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const struct image_region region[], int region_count,
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uint8_t **sigp, uint *sig_len)
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{
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return -ENXIO;
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}
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static inline int rsa_add_verify_data(struct image_sign_info *info,
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void *keydest)
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{
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return -ENXIO;
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}
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#endif
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#if IMAGE_ENABLE_VERIFY
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/**
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* rsa_verify() - Verify a signature against some data
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*
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* Verify a RSA PKCS1.5 signature against an expected hash.
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*
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* @info: Specifies key and FIT information
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* @data: Pointer to the input data
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* @data_len: Data length
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* @sig: Signature
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* @sig_len: Number of bytes in signature
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* @return 0 if verified, -ve on error
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*/
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int rsa_verify(struct image_sign_info *info,
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const struct image_region region[], int region_count,
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uint8_t *sig, uint sig_len);
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#else
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static inline int rsa_verify(struct image_sign_info *info,
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const struct image_region region[], int region_count,
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uint8_t *sig, uint sig_len)
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{
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return -ENXIO;
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}
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#endif
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#endif
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