mirror of https://github.com/thesofproject/sof.git
91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/*
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* Copyright (c) 2017, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#ifndef __CSS_H__
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#define __CSS_H__
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#include <stdint.h>
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struct image;
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#define MAN_CSS_LT_MODULE_TYPE 0x00000006
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#define MAN_CSS_MOD_TYPE 4
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#define MAN_CSS_HDR_SIZE 161 /* in words */
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#define MAN_CSS_HDR_VERSION 0x10000
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#define MAN_CSS_MOD_VENDOR 0x8086
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#define MAN_CSS_HDR_ID {'$', 'M', 'N', '2'}
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#define MAN_CSS_KEY_SIZE (MAN_RSA_KEY_MODULUS_LEN >> 2)
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#define MAN_CSS_MOD_SIZE (MAN_RSA_KEY_MODULUS_LEN >> 2)
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#define MAN_CSS_EXP_SIZE (MAN_RSA_KEY_EXPONENT_LEN >> 2)
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#define MAN_CSS_MAN_SIZE_V1_8 \
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(sizeof(struct fw_image_manifest_v1_8) >> 2)
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#define MAN_CSS_MAN_SIZE_V1_5 \
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(sizeof(struct fw_image_manifest_v1_5) >> 2)
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/*
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* RSA Key and Crypto
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*/
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#define MAN_RSA_KEY_MODULUS_LEN 256
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#define MAN_RSA_KEY_EXPONENT_LEN 4
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#define MAN_RSA_SIGNATURE_LEN 256
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struct fw_version {
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uint16_t major_version;
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uint16_t minor_version;
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uint16_t hotfix_version;
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uint16_t build_version;
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} __attribute__((packed));
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struct css_header_v1_8 {
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uint32_t header_type;
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uint32_t header_len;
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uint32_t header_version;
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uint32_t reserved0; /* must be 0x0 */
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uint32_t module_vendor;
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uint32_t date;
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uint32_t size;
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uint8_t header_id[4];
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uint32_t padding; /* must be 0x0 */
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struct fw_version version;
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uint32_t svn;
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uint32_t reserved1[18]; /* must be 0x0 */
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uint32_t modulus_size;
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uint32_t exponent_size;
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uint8_t modulus[MAN_RSA_KEY_MODULUS_LEN];
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uint8_t exponent[MAN_RSA_KEY_EXPONENT_LEN];
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uint8_t signature[MAN_RSA_SIGNATURE_LEN];
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} __attribute__((packed));
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struct css_header_v1_5 {
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uint32_t module_type;
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uint32_t header_len;
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uint32_t header_version;
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uint32_t reserved0; /* must be 0x0 */
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uint32_t module_vendor;
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uint32_t date;
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uint32_t size;
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uint32_t key_size;
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uint32_t modulus_size;
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uint32_t exponent_size;
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uint32_t reserved[22];
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uint8_t modulus[MAN_RSA_KEY_MODULUS_LEN];
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uint8_t exponent[MAN_RSA_KEY_EXPONENT_LEN];
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uint8_t signature[MAN_RSA_SIGNATURE_LEN];
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} __attribute__((packed));
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void ri_css_v1_8_hdr_create(struct image *image);
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void ri_css_v1_5_hdr_create(struct image *image);
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#endif
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