1 // SPDX-License-Identifier: GPL-2.0
2
3 #include <linux/kernel.h>
4 #include <linux/sched.h>
5 #include <linux/cred.h>
6 #include <linux/err.h>
7 #include <linux/efi.h>
8 #include <linux/slab.h>
9 #include <keys/asymmetric-type.h>
10 #include <keys/system_keyring.h>
11 #include <asm/boot_data.h>
12 #include "../integrity.h"
13
14 /*
15 * Load the certs contained in the IPL report created by the machine loader
16 * into the platform trusted keyring.
17 */
18 static int __init load_ipl_certs(void)
19 {
20 void *ptr, *end;
21 unsigned int len;
22
23 if (!ipl_cert_list_addr)
24 return 0;
25 /* Copy the certificates to the platform keyring */
26 ptr = __va(ipl_cert_list_addr);
27 end = ptr + ipl_cert_list_size;
28 while ((void *) ptr < end) {
29 len = *(unsigned int *) ptr;
30 ptr += sizeof(unsigned int);
31 add_to_platform_keyring("IPL:db", ptr, len);
32 ptr += len;
33 }
34 return 0;
35 }
36 late_initcall(load_ipl_certs);
37
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