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Matter support Privacy decryption (#17891)

This commit is contained in:
s-hadinger 2023-02-05 23:05:51 +01:00 committed by GitHub
parent da81d25fb5
commit d23e598d6b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 1183 additions and 1052 deletions
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15
lib/libesp32/berry_matter/src/embedded/Matter_Message.be
View File

@ -301,9 +301,22 @@ class Matter_Frame
import crypto
var session = self.session
var raw = self.raw
var mic = raw[-16..] # take last 16 bytes as signature
# decrypt the message with `i2r` key
var i2r = session.get_i2r()
var mic = raw[-16..] # take last 16 bytes as signature
# check privacy flag, p.127
if self.sec_p
# compute privacy key, p.71
var k = session.get_i2r_privacy()
var n = bytes().add(self.local_session_id, -2) + mic[5..15] # session in Big Endian
var m = self.raw[4 .. self.payload_idx-1]
var m_clear = crypto.AES_CTR(k).decrypt(m, n, 2)
# replace in-place
self.raw = self.raw[0..3] + m_clear + m[self.self.payload_idx .. ]
end
# use AES_CCM
var a = raw[0 .. self.payload_idx - 1]
var p = raw[self.payload_idx .. -17]

11
lib/libesp32/berry_matter/src/embedded/Matter_Session.be
View File

@ -53,6 +53,7 @@ class Matter_Session
# encryption keys and challenges
var i2rkey # key initiator to receiver (incoming)
var r2ikey # key receiver to initiator (outgoing)
var _i2r_privacy # cache for the i2r privacy key
var attestation_challenge # Attestation challenge
var peer_node_id
# breadcrumb
@ -108,6 +109,7 @@ class Matter_Session
self.counter_rcv.reset()
self.counter_snd.reset()
self.i2rkey = nil
self._i2r_privacy = nil
self.r2ikey = nil
self.attestation_challenge = nil
# clear any attribute starting with `_`
@ -129,6 +131,7 @@ class Matter_Session
end
def set_keys(i2r, r2i, ac, st)
self.i2rkey = i2r
self._i2r_privacy = nil # clear cache
self.r2ikey = r2i
self.attestation_challenge = ac
self.session_timestamp = st
@ -160,6 +163,14 @@ class Matter_Session
def get_i2r()
return self.i2rkey
end
def get_i2r_privacy() # get and cache privacy key
if self._i2r_privacy == nil
import crypto
# compute privacy key according to p.127
self._i2r_privacy = crypto.HKDF_SHA256().derive(self.get_i2r(), bytes(), bytes().fromstring("PrivacyKey"), 16)
end
return self._i2r_privacy
end
def get_r2i()
return self.r2ikey
end

348
lib/libesp32/berry_matter/src/solidify/solidified_Matter_Message.h
View File

@ -19,166 +19,212 @@ be_local_closure(Matter_Frame_decrypt, /* name */
0, /* has sup protos */
NULL, /* no sub protos */
1, /* has constants */
( &(const bvalue[30]) { /* constants */
( &(const bvalue[36]) { /* constants */
/* K0 */ be_nested_str_weak(crypto),
/* K1 */ be_nested_str_weak(session),
/* K2 */ be_nested_str_weak(raw),
/* K3 */ be_nested_str_weak(get_i2r),
/* K4 */ be_const_int(2147483647),
/* K5 */ be_const_int(0),
/* K6 */ be_nested_str_weak(payload_idx),
/* K7 */ be_const_int(1),
/* K8 */ be_nested_str_weak(add),
/* K9 */ be_nested_str_weak(flags),
/* K10 */ be_nested_str_weak(message_counter),
/* K11 */ be_nested_str_weak(source_node_id),
/* K12 */ be_nested_str_weak(peer_node_id),
/* K13 */ be_nested_str_weak(resize),
/* K14 */ be_nested_str_weak(tasmota),
/* K15 */ be_nested_str_weak(log),
/* K16 */ be_nested_str_weak(MTR_X3A_X20_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A),
/* K17 */ be_const_int(3),
/* K18 */ be_nested_str_weak(MTR_X3A_X20i2r_X20_X20_X20_X20_X20_X20_X20_X20_X20_X3D),
/* K19 */ be_nested_str_weak(tohex),
/* K20 */ be_nested_str_weak(MTR_X3A_X20p_X20_X20_X20_X20_X20_X20_X20_X20_X20_X20_X20_X3D),
/* K21 */ be_nested_str_weak(MTR_X3A_X20a_X20_X20_X20_X20_X20_X20_X20_X20_X20_X20_X20_X3D),
/* K22 */ be_nested_str_weak(MTR_X3A_X20n_X20_X20_X20_X20_X20_X20_X20_X20_X20_X20_X20_X3D),
/* K23 */ be_nested_str_weak(MTR_X3A_X20mic_X20_X20_X20_X20_X20_X20_X20_X20_X20_X3D),
/* K24 */ be_nested_str_weak(AES_CCM),
/* K25 */ be_nested_str_weak(decrypt),
/* K26 */ be_nested_str_weak(tag),
/* K27 */ be_nested_str_weak(MTR_X3A_X20cleartext_X20_X20_X20_X3D),
/* K28 */ be_nested_str_weak(MTR_X3A_X20tag_X20_X20_X20_X20_X20_X20_X20_X20_X20_X3D),
/* K29 */ be_nested_str_weak(MTR_X3A_X20rejected_X20packet_X20due_X20to_X20invalid_X20MIC),
/* K3 */ be_const_int(2147483647),
/* K4 */ be_nested_str_weak(get_i2r),
/* K5 */ be_nested_str_weak(sec_p),
/* K6 */ be_nested_str_weak(get_i2r_privacy),
/* K7 */ be_nested_str_weak(add),
/* K8 */ be_nested_str_weak(local_session_id),
/* K9 */ be_nested_str_weak(payload_idx),
/* K10 */ be_const_int(1),
/* K11 */ be_nested_str_weak(AES_CTR),
/* K12 */ be_nested_str_weak(decrypt),
/* K13 */ be_const_int(2),
/* K14 */ be_const_int(0),
/* K15 */ be_const_int(3),
/* K16 */ be_nested_str_weak(self),
/* K17 */ be_nested_str_weak(flags),
/* K18 */ be_nested_str_weak(message_counter),
/* K19 */ be_nested_str_weak(source_node_id),
/* K20 */ be_nested_str_weak(peer_node_id),
/* K21 */ be_nested_str_weak(resize),
/* K22 */ be_nested_str_weak(tasmota),
/* K23 */ be_nested_str_weak(log),
/* K24 */ be_nested_str_weak(MTR_X3A_X20_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A_X2A),
/* K25 */ be_nested_str_weak(MTR_X3A_X20i2r_X20_X20_X20_X20_X20_X20_X20_X20_X20_X3D),
/* K26 */ be_nested_str_weak(tohex),
/* K27 */ be_nested_str_weak(MTR_X3A_X20p_X20_X20_X20_X20_X20_X20_X20_X20_X20_X20_X20_X3D),
/* K28 */ be_nested_str_weak(MTR_X3A_X20a_X20_X20_X20_X20_X20_X20_X20_X20_X20_X20_X20_X3D),
/* K29 */ be_nested_str_weak(MTR_X3A_X20n_X20_X20_X20_X20_X20_X20_X20_X20_X20_X20_X20_X3D),
/* K30 */ be_nested_str_weak(MTR_X3A_X20mic_X20_X20_X20_X20_X20_X20_X20_X20_X20_X3D),
/* K31 */ be_nested_str_weak(AES_CCM),
/* K32 */ be_nested_str_weak(tag),
/* K33 */ be_nested_str_weak(MTR_X3A_X20cleartext_X20_X20_X20_X3D),
/* K34 */ be_nested_str_weak(MTR_X3A_X20tag_X20_X20_X20_X20_X20_X20_X20_X20_X20_X3D),
/* K35 */ be_nested_str_weak(MTR_X3A_X20rejected_X20packet_X20due_X20to_X20invalid_X20MIC),
}),
be_str_weak(decrypt),
&be_const_str_solidified,
( &(const binstruction[125]) { /* code */
( &(const binstruction[165]) { /* code */
0xA4060000, // 0000 IMPORT R1 K0
0x88080101, // 0001 GETMBR R2 R0 K1
0x880C0102, // 0002 GETMBR R3 R0 K2
0x8C100503, // 0003 GETMET R4 R2 K3
0x7C100200, // 0004 CALL R4 1
0x5415FFEF, // 0005 LDINT R5 -16
0x40140B04, // 0006 CONNECT R5 R5 K4
0x94140605, // 0007 GETIDX R5 R3 R5
0x88180106, // 0008 GETMBR R6 R0 K6
0x04180D07, // 0009 SUB R6 R6 K7
0x401A0A06, // 000A CONNECT R6 K5 R6
0x94180606, // 000B GETIDX R6 R3 R6
0x881C0106, // 000C GETMBR R7 R0 K6
0x5421FFEE, // 000D LDINT R8 -17
0x401C0E08, // 000E CONNECT R7 R7 R8
0x941C0607, // 000F GETIDX R7 R3 R7
0x60200015, // 0010 GETGBL R8 G21
0x7C200000, // 0011 CALL R8 0
0x8C241108, // 0012 GETMET R9 R8 K8
0x882C0109, // 0013 GETMBR R11 R0 K9
0x58300007, // 0014 LDCONST R12 K7
0x7C240600, // 0015 CALL R9 3
0x8C241108, // 0016 GETMET R9 R8 K8
0x882C010A, // 0017 GETMBR R11 R0 K10
0x54320003, // 0018 LDINT R12 4
0x7C240600, // 0019 CALL R9 3
0x8824010B, // 001A GETMBR R9 R0 K11
0x78260001, // 001B JMPF R9 #001E
0x40241104, // 001C CONNECT R9 R8 K4
0x70020006, // 001D JMP #0025
0x8824050C, // 001E GETMBR R9 R2 K12
0x78260001, // 001F JMPF R9 #0022
0x8824050C, // 0020 GETMBR R9 R2 K12
0x40241009, // 0021 CONNECT R9 R8 R9
0x8C24110D, // 0022 GETMET R9 R8 K13
0x542E000C, // 0023 LDINT R11 13
0x7C240400, // 0024 CALL R9 2
0xB8261C00, // 0025 GETNGBL R9 K14
0x8C24130F, // 0026 GETMET R9 R9 K15
0x582C0010, // 0027 LDCONST R11 K16
0x58300011, // 0028 LDCONST R12 K17
0x7C240600, // 0029 CALL R9 3
0xB8261C00, // 002A GETNGBL R9 K14
0x8C24130F, // 002B GETMET R9 R9 K15
0x8C2C0913, // 002C GETMET R11 R4 K19
0x7C2C0200, // 002D CALL R11 1
0x002E240B, // 002E ADD R11 K18 R11
0x58300011, // 002F LDCONST R12 K17
0x7C240600, // 0030 CALL R9 3
0xB8261C00, // 0031 GETNGBL R9 K14
0x8C24130F, // 0032 GETMET R9 R9 K15
0x8C2C0F13, // 0033 GETMET R11 R7 K19
0x7C2C0200, // 0034 CALL R11 1
0x002E280B, // 0035 ADD R11 K20 R11
0x58300011, // 0036 LDCONST R12 K17
0x7C240600, // 0037 CALL R9 3
0xB8261C00, // 0038 GETNGBL R9 K14
0x8C24130F, // 0039 GETMET R9 R9 K15
0x8C2C0D13, // 003A GETMET R11 R6 K19
0x7C2C0200, // 003B CALL R11 1
0x002E2A0B, // 003C ADD R11 K21 R11
0x58300011, // 003D LDCONST R12 K17
0x7C240600, // 003E CALL R9 3
0xB8261C00, // 003F GETNGBL R9 K14
0x8C24130F, // 0040 GETMET R9 R9 K15
0x8C2C1113, // 0041 GETMET R11 R8 K19
0x7C2C0200, // 0042 CALL R11 1
0x002E2C0B, // 0043 ADD R11 K22 R11
0x58300011, // 0044 LDCONST R12 K17
0x7C240600, // 0045 CALL R9 3
0xB8261C00, // 0046 GETNGBL R9 K14
0x8C24130F, // 0047 GETMET R9 R9 K15
0x8C2C0B13, // 0048 GETMET R11 R5 K19
0x7C2C0200, // 0049 CALL R11 1
0x002E2E0B, // 004A ADD R11 K23 R11
0x58300011, // 004B LDCONST R12 K17
0x7C240600, // 004C CALL R9 3
0x8C240318, // 004D GETMET R9 R1 K24
0x5C2C0800, // 004E MOVE R11 R4
0x5C301000, // 004F MOVE R12 R8
0x5C340C00, // 0050 MOVE R13 R6
0x6038000C, // 0051 GETGBL R14 G12
0x5C3C0E00, // 0052 MOVE R15 R7
0x7C380200, // 0053 CALL R14 1
0x543E000F, // 0054 LDINT R15 16
0x7C240C00, // 0055 CALL R9 6
0x8C281319, // 0056 GETMET R10 R9 K25
0x5C300E00, // 0057 MOVE R12 R7
0x7C280400, // 0058 CALL R10 2
0x8C2C131A, // 0059 GETMET R11 R9 K26
0x7C2C0200, // 005A CALL R11 1
0xB8321C00, // 005B GETNGBL R12 K14
0x8C30190F, // 005C GETMET R12 R12 K15
0x58380010, // 005D LDCONST R14 K16
0x583C0011, // 005E LDCONST R15 K17
0x7C300600, // 005F CALL R12 3
0xB8321C00, // 0060 GETNGBL R12 K14
0x8C30190F, // 0061 GETMET R12 R12 K15
0x8C381513, // 0062 GETMET R14 R10 K19
0x7C380200, // 0063 CALL R14 1
0x003A360E, // 0064 ADD R14 K27 R14
0x583C0011, // 0065 LDCONST R15 K17
0x7C300600, // 0066 CALL R12 3
0xB8321C00, // 0067 GETNGBL R12 K14
0x8C30190F, // 0068 GETMET R12 R12 K15
0x8C381713, // 0069 GETMET R14 R11 K19
0x7C380200, // 006A CALL R14 1
0x003A380E, // 006B ADD R14 K28 R14
0x583C0011, // 006C LDCONST R15 K17
0x7C300600, // 006D CALL R12 3
0xB8321C00, // 006E GETNGBL R12 K14
0x8C30190F, // 006F GETMET R12 R12 K15
0x58380010, // 0070 LDCONST R14 K16
0x583C0011, // 0071 LDCONST R15 K17
0x7C300600, // 0072 CALL R12 3
0x20301605, // 0073 NE R12 R11 R5
0x78320006, // 0074 JMPF R12 #007C
0xB8321C00, // 0075 GETNGBL R12 K14
0x8C30190F, // 0076 GETMET R12 R12 K15
0x5838001D, // 0077 LDCONST R14 K29
0x583C0011, // 0078 LDCONST R15 K17
0x7C300600, // 0079 CALL R12 3
0x4C300000, // 007A LDNIL R12
0x80041800, // 007B RET 1 R12
0x80041400, // 007C RET 1 R10
0x5411FFEF, // 0003 LDINT R4 -16
0x40100903, // 0004 CONNECT R4 R4 K3
0x94100604, // 0005 GETIDX R4 R3 R4
0x8C140504, // 0006 GETMET R5 R2 K4
0x7C140200, // 0007 CALL R5 1
0x88180105, // 0008 GETMBR R6 R0 K5
0x781A0025, // 0009 JMPF R6 #0030
0x8C180506, // 000A GETMET R6 R2 K6
0x7C180200, // 000B CALL R6 1
0x601C0015, // 000C GETGBL R7 G21
0x7C1C0000, // 000D CALL R7 0
0x8C1C0F07, // 000E GETMET R7 R7 K7
0x88240108, // 000F GETMBR R9 R0 K8
0x5429FFFD, // 0010 LDINT R10 -2
0x7C1C0600, // 0011 CALL R7 3
0x54220004, // 0012 LDINT R8 5
0x5426000E, // 0013 LDINT R9 15
0x40201009, // 0014 CONNECT R8 R8 R9
0x94200808, // 0015 GETIDX R8 R4 R8
0x001C0E08, // 0016 ADD R7 R7 R8
0x54220003, // 0017 LDINT R8 4
0x88240109, // 0018 GETMBR R9 R0 K9
0x0424130A, // 0019 SUB R9 R9 K10
0x40201009, // 001A CONNECT R8 R8 R9
0x88240102, // 001B GETMBR R9 R0 K2
0x94201208, // 001C GETIDX R8 R9 R8
0x8C28030B, // 001D GETMET R10 R1 K11
0x5C300C00, // 001E MOVE R12 R6
0x7C280400, // 001F CALL R10 2
0x8C28150C, // 0020 GETMET R10 R10 K12
0x5C301000, // 0021 MOVE R12 R8
0x5C340E00, // 0022 MOVE R13 R7
0x5838000D, // 0023 LDCONST R14 K13
0x7C280800, // 0024 CALL R10 4
0x5C241400, // 0025 MOVE R9 R10
0x402A1D0F, // 0026 CONNECT R10 K14 K15
0x882C0102, // 0027 GETMBR R11 R0 K2
0x9428160A, // 0028 GETIDX R10 R11 R10
0x00281409, // 0029 ADD R10 R10 R9
0x882C0110, // 002A GETMBR R11 R0 K16
0x882C1709, // 002B GETMBR R11 R11 K9
0x402C1703, // 002C CONNECT R11 R11 K3
0x942C100B, // 002D GETIDX R11 R8 R11
0x0028140B, // 002E ADD R10 R10 R11
0x9002040A, // 002F SETMBR R0 K2 R10
0x88180109, // 0030 GETMBR R6 R0 K9
0x04180D0A, // 0031 SUB R6 R6 K10
0x401A1C06, // 0032 CONNECT R6 K14 R6
0x94180606, // 0033 GETIDX R6 R3 R6
0x881C0109, // 0034 GETMBR R7 R0 K9
0x5421FFEE, // 0035 LDINT R8 -17
0x401C0E08, // 0036 CONNECT R7 R7 R8
0x941C0607, // 0037 GETIDX R7 R3 R7
0x60200015, // 0038 GETGBL R8 G21
0x7C200000, // 0039 CALL R8 0
0x8C241107, // 003A GETMET R9 R8 K7
0x882C0111, // 003B GETMBR R11 R0 K17
0x5830000A, // 003C LDCONST R12 K10
0x7C240600, // 003D CALL R9 3
0x8C241107, // 003E GETMET R9 R8 K7
0x882C0112, // 003F GETMBR R11 R0 K18
0x54320003, // 0040 LDINT R12 4
0x7C240600, // 0041 CALL R9 3
0x88240113, // 0042 GETMBR R9 R0 K19
0x78260001, // 0043 JMPF R9 #0046
0x40241103, // 0044 CONNECT R9 R8 K3
0x70020006, // 0045 JMP #004D
0x88240514, // 0046 GETMBR R9 R2 K20
0x78260001, // 0047 JMPF R9 #004A
0x88240514, // 0048 GETMBR R9 R2 K20
0x40241009, // 0049 CONNECT R9 R8 R9
0x8C241115, // 004A GETMET R9 R8 K21
0x542E000C, // 004B LDINT R11 13
0x7C240400, // 004C CALL R9 2
0xB8262C00, // 004D GETNGBL R9 K22
0x8C241317, // 004E GETMET R9 R9 K23
0x582C0018, // 004F LDCONST R11 K24
0x5830000F, // 0050 LDCONST R12 K15
0x7C240600, // 0051 CALL R9 3
0xB8262C00, // 0052 GETNGBL R9 K22
0x8C241317, // 0053 GETMET R9 R9 K23
0x8C2C0B1A, // 0054 GETMET R11 R5 K26
0x7C2C0200, // 0055 CALL R11 1
0x002E320B, // 0056 ADD R11 K25 R11
0x5830000F, // 0057 LDCONST R12 K15
0x7C240600, // 0058 CALL R9 3
0xB8262C00, // 0059 GETNGBL R9 K22
0x8C241317, // 005A GETMET R9 R9 K23
0x8C2C0F1A, // 005B GETMET R11 R7 K26
0x7C2C0200, // 005C CALL R11 1
0x002E360B, // 005D ADD R11 K27 R11
0x5830000F, // 005E LDCONST R12 K15
0x7C240600, // 005F CALL R9 3
0xB8262C00, // 0060 GETNGBL R9 K22
0x8C241317, // 0061 GETMET R9 R9 K23
0x8C2C0D1A, // 0062 GETMET R11 R6 K26
0x7C2C0200, // 0063 CALL R11 1
0x002E380B, // 0064 ADD R11 K28 R11
0x5830000F, // 0065 LDCONST R12 K15
0x7C240600, // 0066 CALL R9 3
0xB8262C00, // 0067 GETNGBL R9 K22
0x8C241317, // 0068 GETMET R9 R9 K23
0x8C2C111A, // 0069 GETMET R11 R8 K26
0x7C2C0200, // 006A CALL R11 1
0x002E3A0B, // 006B ADD R11 K29 R11
0x5830000F, // 006C LDCONST R12 K15
0x7C240600, // 006D CALL R9 3
0xB8262C00, // 006E GETNGBL R9 K22
0x8C241317, // 006F GETMET R9 R9 K23
0x8C2C091A, // 0070 GETMET R11 R4 K26
0x7C2C0200, // 0071 CALL R11 1
0x002E3C0B, // 0072 ADD R11 K30 R11
0x5830000F, // 0073 LDCONST R12 K15
0x7C240600, // 0074 CALL R9 3
0x8C24031F, // 0075 GETMET R9 R1 K31
0x5C2C0A00, // 0076 MOVE R11 R5
0x5C301000, // 0077 MOVE R12 R8
0x5C340C00, // 0078 MOVE R13 R6
0x6038000C, // 0079 GETGBL R14 G12
0x5C3C0E00, // 007A MOVE R15 R7
0x7C380200, // 007B CALL R14 1
0x543E000F, // 007C LDINT R15 16
0x7C240C00, // 007D CALL R9 6
0x8C28130C, // 007E GETMET R10 R9 K12
0x5C300E00, // 007F MOVE R12 R7
0x7C280400, // 0080 CALL R10 2
0x8C2C1320, // 0081 GETMET R11 R9 K32
0x7C2C0200, // 0082 CALL R11 1
0xB8322C00, // 0083 GETNGBL R12 K22
0x8C301917, // 0084 GETMET R12 R12 K23
0x58380018, // 0085 LDCONST R14 K24
0x583C000F, // 0086 LDCONST R15 K15
0x7C300600, // 0087 CALL R12 3
0xB8322C00, // 0088 GETNGBL R12 K22
0x8C301917, // 0089 GETMET R12 R12 K23
0x8C38151A, // 008A GETMET R14 R10 K26
0x7C380200, // 008B CALL R14 1
0x003A420E, // 008C ADD R14 K33 R14
0x583C000F, // 008D LDCONST R15 K15
0x7C300600, // 008E CALL R12 3
0xB8322C00, // 008F GETNGBL R12 K22
0x8C301917, // 0090 GETMET R12 R12 K23
0x8C38171A, // 0091 GETMET R14 R11 K26
0x7C380200, // 0092 CALL R14 1
0x003A440E, // 0093 ADD R14 K34 R14
0x583C000F, // 0094 LDCONST R15 K15
0x7C300600, // 0095 CALL R12 3
0xB8322C00, // 0096 GETNGBL R12 K22
0x8C301917, // 0097 GETMET R12 R12 K23
0x58380018, // 0098 LDCONST R14 K24
0x583C000F, // 0099 LDCONST R15 K15
0x7C300600, // 009A CALL R12 3
0x20301604, // 009B NE R12 R11 R4
0x78320006, // 009C JMPF R12 #00A4
0xB8322C00, // 009D GETNGBL R12 K22
0x8C301917, // 009E GETMET R12 R12 K23
0x58380023, // 009F LDCONST R14 K35
0x583C000F, // 00A0 LDCONST R15 K15
0x7C300600, // 00A1 CALL R12 3
0x4C300000, // 00A2 LDNIL R12
0x80041800, // 00A3 RET 1 R12
0x80041400, // 00A4 RET 1 R10
})
)
);

1861
lib/libesp32/berry_matter/src/solidify/solidified_Matter_Session.h
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