Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)    BlueZ - Bluetooth protocol stack for Linux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)    Copyright (C) 2014 Intel Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)    This program is free software; you can redistribute it and/or modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)    it under the terms of the GNU General Public License version 2 as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)    published by the Free Software Foundation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)    CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)    ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)    COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)    SOFTWARE IS DISCLAIMED.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <linux/debugfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <net/bluetooth/bluetooth.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include <net/bluetooth/hci_core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #include "ecdh_helper.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #include "smp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #include "selftest.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #if IS_ENABLED(CONFIG_BT_SELFTEST_ECDH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) static const u8 priv_a_1[32] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	0xbd, 0x1a, 0x3c, 0xcd, 0xa6, 0xb8, 0x99, 0x58,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	0x99, 0xb7, 0x40, 0xeb, 0x7b, 0x60, 0xff, 0x4a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	0x50, 0x3f, 0x10, 0xd2, 0xe3, 0xb3, 0xc9, 0x74,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	0x38, 0x5f, 0xc5, 0xa3, 0xd4, 0xf6, 0x49, 0x3f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) static const u8 priv_b_1[32] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	0xfd, 0xc5, 0x7f, 0xf4, 0x49, 0xdd, 0x4f, 0x6b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	0xfb, 0x7c, 0x9d, 0xf1, 0xc2, 0x9a, 0xcb, 0x59,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	0x2a, 0xe7, 0xd4, 0xee, 0xfb, 0xfc, 0x0a, 0x90,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	0x9a, 0xbb, 0xf6, 0x32, 0x3d, 0x8b, 0x18, 0x55,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) static const u8 pub_a_1[64] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	0xe6, 0x9d, 0x35, 0x0e, 0x48, 0x01, 0x03, 0xcc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	0xdb, 0xfd, 0xf4, 0xac, 0x11, 0x91, 0xf4, 0xef,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	0xb9, 0xa5, 0xf9, 0xe9, 0xa7, 0x83, 0x2c, 0x5e,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	0x2c, 0xbe, 0x97, 0xf2, 0xd2, 0x03, 0xb0, 0x20,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	0x8b, 0xd2, 0x89, 0x15, 0xd0, 0x8e, 0x1c, 0x74,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	0x24, 0x30, 0xed, 0x8f, 0xc2, 0x45, 0x63, 0x76,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	0x5c, 0x15, 0x52, 0x5a, 0xbf, 0x9a, 0x32, 0x63,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	0x6d, 0xeb, 0x2a, 0x65, 0x49, 0x9c, 0x80, 0xdc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) static const u8 pub_b_1[64] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	0x90, 0xa1, 0xaa, 0x2f, 0xb2, 0x77, 0x90, 0x55,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	0x9f, 0xa6, 0x15, 0x86, 0xfd, 0x8a, 0xb5, 0x47,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	0x00, 0x4c, 0x9e, 0xf1, 0x84, 0x22, 0x59, 0x09,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	0x96, 0x1d, 0xaf, 0x1f, 0xf0, 0xf0, 0xa1, 0x1e,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	0x4a, 0x21, 0xb1, 0x15, 0xf9, 0xaf, 0x89, 0x5f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	0x76, 0x36, 0x8e, 0xe2, 0x30, 0x11, 0x2d, 0x47,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	0x60, 0x51, 0xb8, 0x9a, 0x3a, 0x70, 0x56, 0x73,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	0x37, 0xad, 0x9d, 0x42, 0x3e, 0xf3, 0x55, 0x4c,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) static const u8 dhkey_1[32] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	0x98, 0xa6, 0xbf, 0x73, 0xf3, 0x34, 0x8d, 0x86,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	0xf1, 0x66, 0xf8, 0xb4, 0x13, 0x6b, 0x79, 0x99,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	0x9b, 0x7d, 0x39, 0x0a, 0xa6, 0x10, 0x10, 0x34,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	0x05, 0xad, 0xc8, 0x57, 0xa3, 0x34, 0x02, 0xec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) static const u8 priv_a_2[32] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	0x63, 0x76, 0x45, 0xd0, 0xf7, 0x73, 0xac, 0xb7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	0xff, 0xdd, 0x03, 0x72, 0xb9, 0x72, 0x85, 0xb4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	0x41, 0xb6, 0x5d, 0x0c, 0x5d, 0x54, 0x84, 0x60,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	0x1a, 0xa3, 0x9a, 0x3c, 0x69, 0x16, 0xa5, 0x06,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) static const u8 priv_b_2[32] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	0xba, 0x30, 0x55, 0x50, 0x19, 0xa2, 0xca, 0xa3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	0xa5, 0x29, 0x08, 0xc6, 0xb5, 0x03, 0x88, 0x7e,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	0x03, 0x2b, 0x50, 0x73, 0xd4, 0x2e, 0x50, 0x97,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	0x64, 0xcd, 0x72, 0x0d, 0x67, 0xa0, 0x9a, 0x52,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) static const u8 pub_a_2[64] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	0xdd, 0x78, 0x5c, 0x74, 0x03, 0x9b, 0x7e, 0x98,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	0xcb, 0x94, 0x87, 0x4a, 0xad, 0xfa, 0xf8, 0xd5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	0x43, 0x3e, 0x5c, 0xaf, 0xea, 0xb5, 0x4c, 0xf4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	0x9e, 0x80, 0x79, 0x57, 0x7b, 0xa4, 0x31, 0x2c,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	0x4f, 0x5d, 0x71, 0x43, 0x77, 0x43, 0xf8, 0xea,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	0xd4, 0x3e, 0xbd, 0x17, 0x91, 0x10, 0x21, 0xd0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	0x1f, 0x87, 0x43, 0x8e, 0x40, 0xe2, 0x52, 0xcd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	0xbe, 0xdf, 0x98, 0x38, 0x18, 0x12, 0x95, 0x91,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) static const u8 pub_b_2[64] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	0xcc, 0x00, 0x65, 0xe1, 0xf5, 0x6c, 0x0d, 0xcf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	0xec, 0x96, 0x47, 0x20, 0x66, 0xc9, 0xdb, 0x84,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	0x81, 0x75, 0xa8, 0x4d, 0xc0, 0xdf, 0xc7, 0x9d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	0x1b, 0x3f, 0x3d, 0xf2, 0x3f, 0xe4, 0x65, 0xf4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	0x79, 0xb2, 0xec, 0xd8, 0xca, 0x55, 0xa1, 0xa8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	0x43, 0x4d, 0x6b, 0xca, 0x10, 0xb0, 0xc2, 0x01,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	0xc2, 0x33, 0x4e, 0x16, 0x24, 0xc4, 0xef, 0xee,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	0x99, 0xd8, 0xbb, 0xbc, 0x48, 0xd0, 0x01, 0x02,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) static const u8 dhkey_2[32] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	0x69, 0xeb, 0x21, 0x32, 0xf2, 0xc6, 0x05, 0x41,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	0x60, 0x19, 0xcd, 0x5e, 0x94, 0xe1, 0xe6, 0x5f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	0x33, 0x07, 0xe3, 0x38, 0x4b, 0x68, 0xe5, 0x62,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	0x3f, 0x88, 0x6d, 0x2f, 0x3a, 0x84, 0x85, 0xab,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) static const u8 priv_a_3[32] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	0xbd, 0x1a, 0x3c, 0xcd, 0xa6, 0xb8, 0x99, 0x58,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	0x99, 0xb7, 0x40, 0xeb, 0x7b, 0x60, 0xff, 0x4a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	0x50, 0x3f, 0x10, 0xd2, 0xe3, 0xb3, 0xc9, 0x74,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	0x38, 0x5f, 0xc5, 0xa3, 0xd4, 0xf6, 0x49, 0x3f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) static const u8 pub_a_3[64] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	0xe6, 0x9d, 0x35, 0x0e, 0x48, 0x01, 0x03, 0xcc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	0xdb, 0xfd, 0xf4, 0xac, 0x11, 0x91, 0xf4, 0xef,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	0xb9, 0xa5, 0xf9, 0xe9, 0xa7, 0x83, 0x2c, 0x5e,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	0x2c, 0xbe, 0x97, 0xf2, 0xd2, 0x03, 0xb0, 0x20,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	0x8b, 0xd2, 0x89, 0x15, 0xd0, 0x8e, 0x1c, 0x74,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	0x24, 0x30, 0xed, 0x8f, 0xc2, 0x45, 0x63, 0x76,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	0x5c, 0x15, 0x52, 0x5a, 0xbf, 0x9a, 0x32, 0x63,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	0x6d, 0xeb, 0x2a, 0x65, 0x49, 0x9c, 0x80, 0xdc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static const u8 dhkey_3[32] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	0x2d, 0xab, 0x00, 0x48, 0xcb, 0xb3, 0x7b, 0xda,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	0x55, 0x7b, 0x8b, 0x72, 0xa8, 0x57, 0x87, 0xc3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	0x87, 0x27, 0x99, 0x32, 0xfc, 0x79, 0x5f, 0xae,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	0x7c, 0x1c, 0xf9, 0x49, 0xe6, 0xd7, 0xaa, 0x70,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static int __init test_ecdh_sample(struct crypto_kpp *tfm, const u8 priv_a[32],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 				   const u8 priv_b[32], const u8 pub_a[64],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 				   const u8 pub_b[64], const u8 dhkey[32])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	u8 *tmp, *dhkey_a, *dhkey_b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	tmp = kmalloc(64, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	if (!tmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	dhkey_a = &tmp[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	dhkey_b = &tmp[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	ret = set_ecdh_privkey(tfm, priv_a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	ret = compute_ecdh_secret(tfm, pub_b, dhkey_a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	if (memcmp(dhkey_a, dhkey, 32)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	ret = set_ecdh_privkey(tfm, priv_b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	ret = compute_ecdh_secret(tfm, pub_a, dhkey_b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	if (memcmp(dhkey_b, dhkey, 32))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	/* fall through*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	kfree(tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) static char test_ecdh_buffer[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) static ssize_t test_ecdh_read(struct file *file, char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 			      size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	return simple_read_from_buffer(user_buf, count, ppos, test_ecdh_buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 				       strlen(test_ecdh_buffer));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) static const struct file_operations test_ecdh_fops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	.open		= simple_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	.read		= test_ecdh_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	.llseek		= default_llseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static int __init test_ecdh(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	struct crypto_kpp *tfm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	ktime_t calltime, delta, rettime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	unsigned long long duration = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	calltime = ktime_get();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	tfm = crypto_alloc_kpp("ecdh", 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	if (IS_ERR(tfm)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 		BT_ERR("Unable to create ECDH crypto context");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		err = PTR_ERR(tfm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	err = test_ecdh_sample(tfm, priv_a_1, priv_b_1, pub_a_1, pub_b_1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 			       dhkey_1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		BT_ERR("ECDH sample 1 failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	err = test_ecdh_sample(tfm, priv_a_2, priv_b_2, pub_a_2, pub_b_2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 			       dhkey_2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		BT_ERR("ECDH sample 2 failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	err = test_ecdh_sample(tfm, priv_a_3, priv_a_3, pub_a_3, pub_a_3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 			       dhkey_3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		BT_ERR("ECDH sample 3 failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	crypto_free_kpp(tfm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	rettime = ktime_get();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	delta = ktime_sub(rettime, calltime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	duration = (unsigned long long) ktime_to_ns(delta) >> 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	BT_INFO("ECDH test passed in %llu usecs", duration);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 		snprintf(test_ecdh_buffer, sizeof(test_ecdh_buffer),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 			 "PASS (%llu usecs)\n", duration);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 		snprintf(test_ecdh_buffer, sizeof(test_ecdh_buffer), "FAIL\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	debugfs_create_file("selftest_ecdh", 0444, bt_debugfs, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 			    &test_ecdh_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) static inline int test_ecdh(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) static int __init run_selftest(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	BT_INFO("Starting self testing");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	err = test_ecdh();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	err = bt_selftest_smp();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	BT_INFO("Finished self testing");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) #if IS_MODULE(CONFIG_BT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) /* This is run when CONFIG_BT_SELFTEST=y and CONFIG_BT=m and is just a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)  * wrapper to allow running this at module init.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)  * If CONFIG_BT_SELFTEST=n, then this code is not compiled at all.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) int __init bt_selftest(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	return run_selftest();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) /* This is run when CONFIG_BT_SELFTEST=y and CONFIG_BT=y and is run
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)  * via late_initcall() as last item in the initialization sequence.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)  * If CONFIG_BT_SELFTEST=n, then this code is not compiled at all.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) static int __init bt_selftest_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	return run_selftest();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) late_initcall(bt_selftest_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) #endif