diff --git a/data/web/corefork.telegram.org/constructor/messageFwdHeader.html b/data/web/corefork.telegram.org/constructor/messageFwdHeader.html index 1ab8605e55..3ef6116df1 100644 --- a/data/web/corefork.telegram.org/constructor/messageFwdHeader.html +++ b/data/web/corefork.telegram.org/constructor/messageFwdHeader.html @@ -119,17 +119,17 @@ saved_from_id flags.8?Peer -Only for messages forwarded to saved messages », contains the sender of the original message. +Only for forwarded messages reforwarded to saved messages », contains the sender of the original message (i.e. if user A sends a message, then user B forwards it somewhere, then user C saves it to saved messages, this field will contain the ID of user A and from_id will contain the ID of user B). saved_from_name flags.9?string -  +Only for forwarded messages from users with forward privacy enabled reforwarded to saved messages », contains the sender of the original message (i.e. if user A (fwd privacy enabled) sends a message, then user B forwards it somewhere, then user C saves it to saved messages, this field will contain the name of user A and from_id will contain the ID of user B). saved_date flags.10?int -  +Only for forwarded messages reforwarded to saved messages », indicates when was the original message sent (i.e. if user A sends a message @ unixtime 1, then user B forwards it somewhere @ unixtime 2, then user C saves it to saved messages @ unixtime 3, this field will contain 1, date will contain 2 and the date of the containing message will contain 3). psa_type diff --git a/data/web/corefork.telegram.org/mtproto/samples-auth_key.html b/data/web/corefork.telegram.org/mtproto/samples-auth_key.html index 512de4169d..7eec676906 100644 --- a/data/web/corefork.telegram.org/mtproto/samples-auth_key.html +++ b/data/web/corefork.telegram.org/mtproto/samples-auth_key.html @@ -53,9 +53,9 @@
1) Client sends query to server

Sent payload (excluding transport headers/trailers):

-
0000 | 00 00 00 00 00 00 00 00 B8 92 06 00 E0 C8 AB 65
-0010 | 14 00 00 00 F1 8E 7E BE FB 6C 67 30 A2 09 CF B4
-0020 | D9 9B 31 0D 48 CA 7F EC
+
0000 | 00 00 00 00 00 00 00 00 0C 73 0A 00 95 F4 AB 65
+0010 | 14 00 00 00 F1 8E 7E BE 3C 7C AF 02 B0 8D 8E AE
+0020 | C6 D4 4F DB D8 41 66 85

Payload (de)serialization:

req_pq_multi#be7e8ef1 nonce:int128 = ResPQ;
@@ -77,7 +77,7 @@ - + @@ -95,7 +95,7 @@ - + @@ -104,11 +104,11 @@
2) Server sends response of the form

Received payload (excluding transport headers/trailers):

-
0000 | 00 00 00 00 00 00 00 00 01 E4 56 EC E0 C8 AB 65
-0010 | B0 00 00 00 63 24 16 05 FB 6C 67 30 A2 09 CF B4
-0020 | D9 9B 31 0D 48 CA 7F EC 48 08 2D 3E 05 DF D9 54
-0030 | B9 8C E6 56 43 8A 88 00 08 23 36 C6 E0 E2 33 26
-0040 | F3 00 00 00 15 C4 B5 1C 03 00 00 00 A5 B7 F7 09
+
0000 | 00 00 00 00 00 00 00 00 01 68 CD 2E 95 F4 AB 65
+0010 | 98 00 00 00 63 24 16 05 3C 7C AF 02 B0 8D 8E AE
+0020 | C6 D4 4F DB D8 41 66 85 8F 63 99 8E 6C 71 46 86
+0030 | 13 4A C1 51 57 B0 2F 00 08 24 1C DB E0 68 F4 2A
+0040 | F5 00 00 00 15 C4 B5 1C 03 00 00 00 A5 B7 F7 09
 0050 | 35 5F C3 0B 21 6B E8 6C 02 2B B4 C3 85 FD 64 DE
 0060 | 85 1D 9D D0

 
Payload (de)serialization:

@@ -132,13 +132,13 @@
- + - + @@ -150,19 +150,19 @@ - + - + - + @@ -208,22 +208,22 @@

Proof of work

3) Client decomposes pq into prime factors such that p < q.
-
pq = 2537434109239830259
-

Decompose into 2 prime cofactors p < q: 2537434109239830259 = 1348056659 * 1882290401

-
p = 1348056659
-q = 1882290401
+
pq = 2602196441593293557
+

Decompose into 2 prime cofactors p < q: 2602196441593293557 = 1343787589 * 1936464113

+
p = 1343787589
+q = 1936464113

Presenting proof of work; Server authentication

4) encrypted_data payload generation

First of all, generate an encrypted_data payload as follows:

Generated payload (excluding transport headers/trailers):

-
0000 | 95 5F F5 A9 08 23 36 C6 E0 E2 33 26 F3 00 00 00
-0010 | 04 50 59 B6 53 00 00 00 04 70 31 78 E1 00 00 00
-0020 | FB 6C 67 30 A2 09 CF B4 D9 9B 31 0D 48 CA 7F EC
-0030 | 48 08 2D 3E 05 DF D9 54 B9 8C E6 56 43 8A 88 00
-0040 | 2A 9D 4F F9 67 66 46 22 11 35 F9 26 8D A4 CA FA
-0050 | A1 81 C5 87 8C 47 34 60 9D 85 8E CF FB 29 B9 6A
+
0000 | 95 5F F5 A9 08 24 1C DB E0 68 F4 2A F5 00 00 00
+0010 | 04 50 18 92 45 00 00 00 04 73 6C 18 F1 00 00 00
+0020 | 3C 7C AF 02 B0 8D 8E AE C6 D4 4F DB D8 41 66 85
+0030 | 8F 63 99 8E 6C 71 46 86 13 4A C1 51 57 B0 2F 00
+0040 | 2A C2 0E B0 94 E3 79 8F FD 19 B4 CE 69 44 F9 30
+0050 | FE 5D 43 9E 73 D4 77 95 A3 2E 9B 05 05 C5 EA 58
 0060 | 02 00 00 00

 
Payload (de)serialization:

 
p_q_inner_data_dc#a9f55f95 pq:string p:string q:string nonce:int128 server_nonce:int128 new_nonce:int256 dc:int = P_Q_inner_data;

@@ -246,37 +246,37 @@ q = 1882290401
 - + - + - + - + - + - + @@ -291,39 +291,39 @@ q = 1882290401

The serialization of P_Q_inner_data produces data, which is used to generate encrypted_data as specified in step 4.1.
These are the inputs to the algorithm specified in step 4.1:

-
data = 955FF5A9082336C6E0E23326F3000000045059B65300000004703178E1000000FB6C6730A209CFB4D99B310D48CA7FEC48082D3E05DFD954B98CE656438A88002A9D4FF9676646221135F9268DA4CAFAA181C5878C4734609D858ECFFB29B96A02000000
-random_padding_bytes = CD346AD4AD38B8C438E8A868A0F1D5F306FB360A76DF2579C80256F6E4758D0A2DC3C846AA6F3B47533291C046553EB42DE83E50D1AB68368CB8C45C7FD2C307FAADBC4A7A29898625E558FB4EA52D139D11FECEF23C8EE826FD8451
+
data = 955FF5A908241CDBE068F42AF5000000045018924500000004736C18F10000003C7CAF02B08D8EAEC6D44FDBD84166858F63998E6C714686134AC15157B02F002AC20EB094E3798FFD19B4CE6944F930FE5D439E73D47795A32E9B0505C5EA5802000000
+random_padding_bytes = B9DCC41054C5DA6BDE4B8837F5E323DC4097ED5817E097DAB5C82C62D35202C9530D84CF14847DE3CB2E684367CB238D943235C010053437BBA85CDBBBD6C26463341E98E7E5562516D0549579CFBEB2F2DB13F28CA4F7776CD2B746

And this is the output:

-
encrypted_data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
+
encrypted_data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

The length of the final string is 256 bytes.

5) Send req_DH_params query with generated encrypted_data

Sent payload (excluding transport headers/trailers):

-
0000 | 00 00 00 00 00 00 00 00 E8 5F 07 00 E0 C8 AB 65
-0010 | 40 01 00 00 BE E4 12 D7 FB 6C 67 30 A2 09 CF B4
-0020 | D9 9B 31 0D 48 CA 7F EC 48 08 2D 3E 05 DF D9 54
-0030 | B9 8C E6 56 43 8A 88 00 04 50 59 B6 53 00 00 00
-0040 | 04 70 31 78 E1 00 00 00 85 FD 64 DE 85 1D 9D D0
-0050 | FE 00 01 00 25 2C 46 34 76 54 41 72 7F A8 48 CB
-0060 | 54 2B 01 A8 E8 94 E1 F6 E0 0D 57 82 5C 41 AB 06
-0070 | 71 80 3F 15 DB 27 93 4E EC 7B AA F8 1B D2 31 EA
-0080 | 5F 46 82 4E 96 3C B4 3D AE E3 75 1F AB 06 5A 89
-0090 | B4 6F C3 96 39 A2 CF 50 83 B9 14 57 D1 26 6F 0E
-00A0 | 7B 82 05 FC 04 98 B2 CE 92 B1 19 A3 35 36 2C 1D
-00B0 | 99 3E C8 48 D1 EC DC B3 E9 B1 DA BB 63 06 13 4E
-00C0 | 32 12 8B F6 0B 6D E3 4D 5B 48 E1 FF CE E1 F3 E1
-00D0 | 0E 66 46 FE 40 F0 5A DF 3E 7C 35 7A BB 1C 95 8B
-00E0 | 11 0F 33 46 DB 06 BD 05 68 2B A6 AD 73 12 14 96
-00F0 | EC 64 C2 B9 8D EF 4A 71 95 E0 09 BB 8D 8D CB C1
-0100 | 48 53 A4 EF 51 2E 14 CB C9 CF 61 73 15 68 84 F3
-0110 | 09 93 62 2F 3F F7 D9 09 B4 4C A7 B5 49 37 FD D5
-0120 | E2 DC B7 94 5E 8D 6F CB 87 A0 82 D7 E2 12 D1 22
-0130 | A7 FC 14 FA A1 6F 42 FE 25 C2 B5 2F 0E 9D 0E 9D
-0140 | 73 28 5A 55 00 11 10 C4 0E 18 44 E2 80 08 81 85
-0150 | 06 53 D8 7E
+
0000 | 00 00 00 00 00 00 00 00 90 E9 0D 00 95 F4 AB 65
+0010 | 40 01 00 00 BE E4 12 D7 3C 7C AF 02 B0 8D 8E AE
+0020 | C6 D4 4F DB D8 41 66 85 8F 63 99 8E 6C 71 46 86
+0030 | 13 4A C1 51 57 B0 2F 00 04 50 18 92 45 00 00 00
+0040 | 04 73 6C 18 F1 00 00 00 85 FD 64 DE 85 1D 9D D0
+0050 | FE 00 01 00 60 C9 76 53 3F 97 67 CC BF AC 3C CA
+0060 | F7 A3 9B 10 C8 77 E9 F3 E1 3B E5 58 AC 19 79 E1
+0070 | 44 86 57 54 23 A6 BC 59 CB 65 FD 88 0B 76 CA A1
+0080 | AC 72 B1 24 F2 4F 2E EE 92 24 6C E7 88 1B 0D 3D
+0090 | D6 67 00 B4 CE D8 03 7E 4A 04 2B 55 88 A7 8D 6D
+00A0 | 9B A0 3E DB 1B BA 65 B8 6E E7 EB 54 C6 BB D0 41
+00B0 | 62 0A 2A 5A C0 8F EE 0E A2 88 8D 8C 1D 3F 4A 41
+00C0 | 4A E8 D6 2B 97 CC 31 65 AE 85 A8 93 F5 F7 4A 0D
+00D0 | B6 E4 6B F6 68 D7 99 60 E7 15 E2 A4 F3 31 D3 9F
+00E0 | 86 32 8D 90 11 AC E0 DE 74 F6 15 13 7D 27 EF D7
+00F0 | 9B 6B F9 1C 22 F3 A4 FE 3C 91 7F 5D AB A2 C2 22
+0100 | C7 07 02 2B E8 CD 97 4D EA A8 25 2C 87 70 31 53
+0110 | 72 7B CC A9 62 5E 07 4C F3 FC 4E 9C 5C 34 15 C0
+0120 | 11 9E D0 5C 1C BA 20 3F 9D 1B B5 13 D8 75 A4 AC
+0130 | 97 E2 73 A0 F8 EC B4 2D A3 A8 02 0E 2A 65 CF F3
+0140 | C4 20 4F C3 FB 02 FC 0A CA 5E 42 CB 9C 73 EA 83
+0150 | 71 8F 80 F6

Payload (de)serialization:

req_DH_params#d712e4be nonce:int128 server_nonce:int128 p:string q:string public_key_fingerprint:long encrypted_data:string = Server_DH_Params;
message_id 8, 8B8920600E0C8AB650C730A0095F4AB65 Message ID generated as specified here » (unixtime() << 32) + (N*4)
nonce 24, 16FB6C6730A209CFB4D99B310D48CA7FEC3C7CAF02B08D8EAEC6D44FDBD8416685 Random number
message_id 8, 801E456ECE0C8AB650168CD2E95F4AB65 Message ID generated as specified here » (unixtime() << 32) + (N*4)
message_length 16, 4B0000000 (176 in decimal)98000000 (152 in decimal) Message body length
nonce 24, 16FB6C6730A209CFB4D99B310D48CA7FEC3C7CAF02B08D8EAEC6D44FDBD8416685 Value generated by client in Step 1
server_nonce 40, 1648082D3E05DFD954B98CE656438A88008F63998E6C714686134AC15157B02F00 Server-generated random number
pq 56, 12082336C6E0E23326F3000000
TL byte deserialization
=> bigendian conversion to decimal
=> 2537434109239830259		08241CDBE068F42AF5000000
TL byte deserialization
=> bigendian conversion to decimal
=> 2602196441593293557		 Single-byte prefix denoting length, an 8-byte string, and three bytes of padding
pq 4, 12082336C6E0E23326F3000000
TL byte deserialization
=> bigendian conversion to decimal
=> 2537434109239830259		08241CDBE068F42AF5000000
TL byte deserialization
=> bigendian conversion to decimal
=> 2602196441593293557		 Single-byte prefix denoting length, 8-byte string, and three bytes of padding
p 16, 8045059B653000000
TL byte deserialization
=> bigendian conversion to decimal
=> 1348056659		0450189245000000
TL byte deserialization
=> bigendian conversion to decimal
=> 1343787589		 First prime cofactor: single-byte prefix denoting length, 4-byte string, and three bytes of padding
q 24, 804703178E1000000
TL byte deserialization
=> bigendian conversion to decimal
=> 1882290401		04736C18F1000000
TL byte deserialization
=> bigendian conversion to decimal
=> 1936464113		 Second prime cofactor: single-byte prefix denoting length, 4-byte string, and three bytes of padding
nonce 32, 16FB6C6730A209CFB4D99B310D48CA7FEC3C7CAF02B08D8EAEC6D44FDBD8416685 Value generated by client in Step 1
server_nonce 48, 1648082D3E05DFD954B98CE656438A88008F63998E6C714686134AC15157B02F00 Value received from server in Step 2
new_nonce 64, 322A9D4FF9676646221135F9268DA4CAFA A181C5878C4734609D858ECFFB29B96A2AC20EB094E3798FFD19B4CE6944F930 FE5D439E73D47795A32E9B0505C5EA58 Client-generated random number
@@ -345,7 +345,7 @@ random_padding_bytes = CD346AD4AD38B8C438E8A868A0F1D5F306FB360A76DF2579C80256F6E - + @@ -363,25 +363,25 @@ random_padding_bytes = CD346AD4AD38B8C438E8A868A0F1D5F306FB360A76DF2579C80256F6E - + - + - + - + @@ -393,7 +393,7 @@ random_padding_bytes = CD346AD4AD38B8C438E8A868A0F1D5F306FB360A76DF2579C80256F6E - + @@ -402,47 +402,47 @@ random_padding_bytes = CD346AD4AD38B8C438E8A868A0F1D5F306FB360A76DF2579C80256F6E
6) Server responds with:

Received payload (excluding transport headers/trailers):

-
0000 | 00 00 00 00 00 00 00 00 01 08 1A 7F E1 C8 AB 65
-0010 | 78 02 00 00 5C 07 E8 D0 FB 6C 67 30 A2 09 CF B4
-0020 | D9 9B 31 0D 48 CA 7F EC 48 08 2D 3E 05 DF D9 54
-0030 | B9 8C E6 56 43 8A 88 00 FE 50 02 00 14 35 00 42
-0040 | D3 61 5E 00 17 76 EB 73 01 70 96 30 2C 4E 83 7C
-0050 | 75 05 77 67 15 2D 99 A3 A0 74 A9 7D DC AE AF E1
-0060 | A4 33 D6 C4 CC 28 96 39 70 B6 AA 2F A0 A5 7D F9
-0070 | 6D 13 09 96 F1 F8 A5 89 03 6E 72 68 BF 01 D8 03
-0080 | 8F 2C E2 AF 16 3A D7 C9 6F A5 B8 9A 10 67 E4 7B
-0090 | D0 ED 3B EC F6 89 37 1C 63 2D E7 4C E6 B4 5D 53
-00A0 | 00 FA 72 59 DC BF 22 A0 3B 52 FE 42 A7 77 DA A8
-00B0 | DF B2 7E B7 E8 E3 CB 12 55 E7 BF A1 19 B8 FD E3
-00C0 | 6A D0 A0 61 B3 1B 12 CA B7 6E A4 27 2E F3 B5 B6
-00D0 | 68 07 C3 E1 37 68 D0 50 BD 8F 1E 0B F0 23 5D CC
-00E0 | 9D 05 3E BD 31 E7 FA 58 E1 52 2D 94 49 6D E2 17
-00F0 | B9 71 61 81 24 34 DE 4D 20 20 8D 05 DE E4 AF A5
-0100 | A7 36 11 D4 5C 08 02 D7 00 52 34 96 A4 84 F7 8C
-0110 | 01 C8 DE F1 A7 13 C8 62 22 11 A4 EB A7 FB 9D 03
-0120 | 86 82 AD 80 67 8A D0 C8 31 C3 29 2E 00 8E 5D F9
-0130 | 5C 30 DF 9B 68 0F 85 99 1A 92 B3 C4 0F 52 B1 9E
-0140 | A4 08 E4 5D 2F DE 9D B6 A3 0A 67 EE A4 B5 76 E8
-0150 | 69 98 4C 8C 82 EB 84 A1 94 25 4D 66 FD 2F 25 C1
-0160 | 9A 27 88 A4 C8 07 A8 A9 C6 85 9B CD 3F E0 19 1D
-0170 | 44 24 35 F2 D2 64 F6 7E A4 4A CE 2C D9 73 8E B1
-0180 | C4 7E AE FE 0C 49 7B 98 2D 1E 3F 4E DE C3 10 F9
-0190 | D4 E6 A8 FD 90 D9 5D B3 D6 FA 9F CA DF B3 AB 88
-01A0 | C4 47 24 92 A9 2D 84 65 A3 D1 A5 3A 67 21 6F E0
-01B0 | CE F6 23 54 50 E5 D9 6F 7B 8D 62 CB 62 FE 6B 31
-01C0 | A3 19 52 08 0B 38 C4 C6 80 71 D2 4E 26 D4 11 42
-01D0 | 20 3E F0 10 97 A0 3A BC B9 70 79 D4 88 41 29 E5
-01E0 | C9 65 FD 9C F9 BB 54 CB E2 BF E7 4F 5B 5A D5 CD
-01F0 | E5 2C ED 8C 64 8E EB 87 B3 7C 20 2A 8D 7F 4C 90
-0200 | 08 F5 6F 58 9E D1 CA 14 FC AA 45 AF A2 78 C6 F6
-0210 | E0 5A 09 D8 C5 FD 17 D9 C7 1B B5 0E F2 8A 28 37
-0220 | C4 32 C0 D4 B4 65 32 57 63 FA EC 7B 08 82 5D 8A
-0230 | 38 11 01 71 F4 E9 0C E4 98 6C AE FC 9A 8E 6D 06
-0240 | 01 50 22 0F AD BF 5F 98 23 4F 39 4C C2 54 C4 A8
-0250 | BB 77 23 80 57 F2 AB D3 6D 9C 0A 9C E8 44 0D 9E
-0260 | 34 FE 83 E2 86 96 F0 EB 13 DB 81 BB B4 57 10 0C
-0270 | A8 39 60 DC A8 3D 3E FB 03 74 47 C2 6A 80 24 EB
-0280 | 26 21 68 05 27 35 EA 06 7A CC B6 0B
+
0000 | 00 00 00 00 00 00 00 00 01 F4 56 BC 95 F4 AB 65
+0010 | B8 02 00 00 5C 07 E8 D0 3C 7C AF 02 B0 8D 8E AE
+0020 | C6 D4 4F DB D8 41 66 85 8F 63 99 8E 6C 71 46 86
+0030 | 13 4A C1 51 57 B0 2F 00 FE 50 02 00 DE C1 51 B7
+0040 | 88 15 4C 83 49 EF 67 5A BE 72 72 02 D8 9C 56 BD
+0050 | 8C C5 48 25 2A 23 0D 3B 32 0D CC 07 EF 91 C3 86
+0060 | 84 5A AF A0 1D F6 E4 85 D3 4D A0 4C F4 7A 93 B5
+0070 | 31 2A 04 73 56 5C DB 4E 32 3D 3D A7 B6 3E 86 D0
+0080 | 31 24 99 20 51 0F ED 6B 88 38 FC 23 20 53 7B 9A
+0090 | 9C AF 24 8D 07 C7 95 9D 85 24 BA D5 41 24 F6 E8
+00A0 | 99 D2 36 00 82 84 0D 8E 53 D3 C9 74 44 CB 6B 1D
+00B0 | 1E B0 B2 D8 E5 C5 0F E9 E4 7E A9 EF 1B 9A 50 BC
+00C0 | 4C 46 EB 6F 66 B5 EA 4B 3A 27 0A A5 D5 4E 73 47
+00D0 | 89 1E C3 84 FB 5E 06 AD BB 7B 02 B2 A4 DC 84 84
+00E0 | 79 00 4E A3 73 47 28 F5 A1 96 3A 18 BA AE D6 5A
+00F0 | 6C 6B 5A 05 41 1F 32 40 C3 F9 B0 6E CC 13 2D F2
+0100 | E1 9B 86 B0 2A 99 33 1A 9E 7B FB 42 C8 DB E4 65
+0110 | 63 1A 7B 18 EF CD 34 0A 8A 7C 66 58 C8 60 FB A9
+0120 | DB 9A 78 F2 62 14 A6 67 BE 08 5E 61 8F F9 AE F6
+0130 | 23 BA 7D 62 A9 BA C8 B0 53 5C B3 FF AC FC A2 FD
+0140 | DD FF 46 C9 C2 F3 B0 81 95 B1 1A AF 48 46 0A 60
+0150 | 32 CF A2 B2 5E F1 1E 38 7D 99 69 8E 38 C2 A9 A9
+0160 | 1F 6F 4D 5A 6A ED B0 DE 77 35 DD 96 90 FE 18 45
+0170 | FA EF 5F 22 7F 5C 6F E4 D2 21 B6 00 FB 2E FA 9E
+0180 | 26 2D 5E 40 C5 9C 62 5F 3C CF A6 F8 87 85 3C F9
+0190 | D3 C0 53 94 9D 96 9A 58 7E 65 F0 89 64 97 3F 2A
+01A0 | D4 6B A5 81 1C 17 62 E5 BC 04 D4 BB CB 64 FD DC
+01B0 | 64 90 DF FF D4 E1 27 C0 75 6E A8 90 00 61 C0 FC
+01C0 | 80 E7 1D 79 39 E9 F2 2D B8 0D 3F 1E C7 CD F5 8A
+01D0 | AC F9 C7 C3 95 56 55 D6 A5 B7 D3 5F BC F5 C3 B5
+01E0 | BE CC 79 88 AA 6B BD D6 55 2D D0 84 2E 83 62 58
+01F0 | 09 92 F1 8E 0B F0 77 1E 99 74 52 C8 85 08 D7 E3
+0200 | B7 76 9F 7A 7D 1C C1 CC 71 4B 57 0B 57 8E 97 BD
+0210 | 9B F2 05 29 6B 3E 45 19 94 10 74 7A 5A DA 36 46
+0220 | 75 76 13 62 7A 42 02 93 54 17 B5 E9 A2 91 09 BD
+0230 | B0 D5 62 6A 6F 78 60 25 EF DA 11 2F 37 01 0E CB
+0240 | A4 0C 20 84 EA AC D6 24 97 D2 EC EB 5D F7 58 C8
+0250 | 7E A9 99 78 6F 39 E8 A5 1D 17 84 3A B0 B3 3E 1E
+0260 | 2F 3D B1 53 C6 70 E4 4B C1 56 15 21 5B 1F 23 74
+0270 | 61 EC 94 AB 48 93 30 F6 44 3F 93 A0 81 15 11 A2
+0280 | C9 88 9F 1D 00 CC 7B 0C 91 5A D7 B2

Payload (de)serialization:

server_DH_params_ok#d0e8075c nonce:int128 server_nonce:int128 encrypted_answer:string = Server_DH_Params;
message_id 8, 8E85F0700E0C8AB6590E90D0095F4AB65 Message ID generated as specified here » (unixtime() << 32) + (N*4)
nonce 24, 16FB6C6730A209CFB4D99B310D48CA7FEC3C7CAF02B08D8EAEC6D44FDBD8416685 Value generated by client in Step 1
server_nonce 40, 1648082D3E05DFD954B98CE656438A88008F63998E6C714686134AC15157B02F00 Value received from server in Step 2
p 56, 8045059B653000000
TL byte deserialization
=> bigendian conversion to decimal
=> 1348056659		0450189245000000
TL byte deserialization
=> bigendian conversion to decimal
=> 1343787589		 First prime cofactor: single-byte prefix denoting length, 4-byte string, and three bytes of padding
q 64, 804703178E1000000
TL byte deserialization
=> bigendian conversion to decimal
=> 1882290401		04736C18F1000000
TL byte deserialization
=> bigendian conversion to decimal
=> 1936464113		 Second prime cofactor: single-byte prefix denoting length, 4-byte string, and three bytes of padding
encrypted_data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
0653D87E		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
718F80F6		 Value generated above
@@ -464,13 +464,13 @@ random_padding_bytes = CD346AD4AD38B8C438E8A868A0F1D5F306FB360A76DF2579C80256F6E - + - + @@ -482,19 +482,19 @@ random_padding_bytes = CD346AD4AD38B8C438E8A868A0F1D5F306FB360A76DF2579C80256F6E - + - + - + @@ -502,20 +502,20 @@ random_padding_bytes = CD346AD4AD38B8C438E8A868A0F1D5F306FB360A76DF2579C80256F6E

Decrypt encrypted_answer using the reverse of the process specified in step 6:

-
encrypted_answer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
-tmp_aes_key = 939A48A4F8097727F06DDF7AAC298444991F6804620AC0E12890D2F8750F0BF1
-tmp_aes_iv = 2CCC8FF240E00E900DDD34DC87C89B2F9383AEEEF45322E44F4119962A9D4FF9
+
encrypted_answer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
+tmp_aes_key = 0A7E80F0AD7CF0445C6C627DD6FE5F83030ECAECD2C31CB65EFE28A434F45714
+tmp_aes_iv = 4F1897AF4531CD9257239CF77B1A78A6035DE20EA41CAFCCC59EF8F02AC20EB0

Yielding:

-
answer_with_hash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
-answer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
+
answer_with_hash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
+answer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

Generated payload (excluding transport headers/trailers):

-
0000 | BA 0D 89 B5 FB 6C 67 30 A2 09 CF B4 D9 9B 31 0D
-0010 | 48 CA 7F EC 48 08 2D 3E 05 DF D9 54 B9 8C E6 56
-0020 | 43 8A 88 00 03 00 00 00 FE 00 01 00 C7 1C AE B9
+
0000 | BA 0D 89 B5 3C 7C AF 02 B0 8D 8E AE C6 D4 4F DB
+0010 | D8 41 66 85 8F 63 99 8E 6C 71 46 86 13 4A C1 51
+0020 | 57 B0 2F 00 03 00 00 00 FE 00 01 00 C7 1C AE B9
 0030 | C6 B1 C9 04 8E 6C 52 2F 70 F1 3F 73 98 0D 40 23
 0040 | 8E 3E 21 C1 49 34 D0 37 56 3D 93 0F 48 19 8A 0A
 0050 | A7 C1 40 58 22 94 93 D2 25 30 F4 DB FA 33 6F 6E
@@ -532,23 +532,23 @@ answer = BA0D89B5FB6C6730A209CFB4D99B310D48CA7FEC48082D3E05DFD954B98CE656438A880
 0100 | F4 7B F9 59 D9 56 85 0C E9 29 85 1F 0D 81 15 F6
 0110 | 35 B1 05 EE 2E 4E 15 D0 4B 24 54 BF 6F 4F AD F0
 0120 | 34 B1 04 03 11 9C D8 E3 B9 2F CC 5B FE 00 01 00
-0130 | 49 74 3B 49 76 8F 04 B6 84 5C 3D B7 7A 4E 83 19
-0140 | CA 4D DD BA 4A 97 EA 63 AF B0 DD 54 AF F8 D5 55
-0150 | 2B 5B C9 53 4F 28 EE BD 7F C2 56 6E 7C 05 AC E4
-0160 | F1 ED 52 76 E5 E4 6E C8 42 B3 B6 AB A7 08 D5 0A
-0170 | 31 D4 23 C3 A1 E4 8D 1D 29 0D 13 A7 06 9D 73 41
-0180 | 49 66 41 8A 0B 5F FA 05 F7 D2 D3 47 8E A3 13 C2
-0190 | 92 66 4A 21 C3 0E 41 7D CE 4B 1B 0E 0D 32 5B FB
-01A0 | 6F F6 85 D1 DF C3 6D BA 55 0A 41 BC 8F AA F8 1B
-01B0 | 37 6B EB 41 65 1B 7E BA E3 E4 9D 00 45 53 D3 D5
-01C0 | 25 2E 45 39 A8 7F A4 49 F3 3D 21 1F 2F EF 33 90
-01D0 | CD C8 6F F3 C8 F0 FD 89 BB 96 38 54 32 4E C9 3D
-01E0 | 89 97 E8 67 D8 AF F4 C4 45 38 0A 9D D5 54 4C 07
-01F0 | F7 85 0E 55 2B 35 02 45 D0 3F B4 AA A0 15 DF E1
-0200 | C2 26 16 95 BD 2A 99 92 26 D1 02 09 4B EF 24 4C
-0210 | 38 20 0A 05 D1 BD F5 86 D4 0E 00 38 1C 40 69 DB
-0220 | FC FB 80 F1 BD 10 C2 F7 10 FD D5 3D 61 4E 79 B4
-0230 | E1 C8 AB 65

+0130 | 47 1F 7D E6 34 C2 83 28 4C 9F F3 1A DC B9 95 AF
+0140 | 46 D2 5E 96 6C F6 9C 08 8C 2F 3E FB 21 2D 36 6C
+0150 | 06 99 13 68 98 D3 6B FE F7 E4 9B FF BA 5F 9B C7
+0160 | AA 85 2A 9B 74 57 3F A2 A8 51 E7 EC 87 67 23 90
+0170 | F7 DC DE 80 23 89 08 01 85 11 98 21 69 88 41 94
+0180 | 25 99 F8 46 FC E4 17 DE F9 92 04 5F B5 40 FD 74
+0190 | A8 D3 24 1D 89 BA 4C 84 29 48 14 34 52 94 92 77
+01A0 | 94 4F 23 8B BC 91 7D 7E 42 19 62 34 38 01 CD 61
+01B0 | 11 C0 9B 32 A7 69 24 92 AC 2A 9C CF D4 14 76 F0
+01C0 | 32 F0 B7 01 B4 00 C3 FF D6 01 EC 56 37 DB 56 B6
+01D0 | FE 65 85 DF 5A DC 89 5E 65 66 8F 50 D0 62 F6 CD
+01E0 | 65 EA CB B5 AE 33 D3 05 7F 11 AA 22 3F D6 3B 48
+01F0 | 4B A9 5A 24 B4 63 CC 5D 2D D6 3A C1 AC 66 7A EF
+0200 | A5 F0 AF 24 1D 08 6A 82 3B A3 4B 0C 2A BC F2 41
+0210 | 04 AB 14 2F 37 DA 19 70 98 A1 00 7D F2 4E DD F4
+0220 | CF 1D C3 41 AB 51 B3 04 B1 73 2A 39 0B EC E4 EA
+0230 | 95 F4 AB 65

Payload (de)serialization:

server_DH_inner_data#b5890dba nonce:int128 server_nonce:int128 g:int dh_prime:string g_a:string server_time:int = Server_DH_inner_data;
message_id 8, 801081A7FE1C8AB6501F456BC95F4AB65 Message ID generated as specified here » (unixtime() << 32) + (N*4)
message_length 16, 478020000 (632 in decimal)B8020000 (696 in decimal) Message body length
nonce 24, 16FB6C6730A209CFB4D99B310D48CA7FEC3C7CAF02B08D8EAEC6D44FDBD8416685 Value generated by client in Step 1
server_nonce 40, 1648082D3E05DFD954B98CE656438A88008F63998E6C714686134AC15157B02F00 Value received from server in Step 2
encrypted_answer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
7ACCB60B		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
915AD7B2		 See below
@@ -570,13 +570,13 @@ answer = BA0D89B5FB6C6730A209CFB4D99B310D48CA7FEC48082D3E05DFD954B98CE656438A880 - + - + @@ -594,13 +594,13 @@ answer = BA0D89B5FB6C6730A209CFB4D99B310D48CA7FEC48082D3E05DFD954B98CE656438A880 - + - + @@ -609,34 +609,34 @@ answer = BA0D89B5FB6C6730A209CFB4D99B310D48CA7FEC48082D3E05DFD954B98CE656438A880
7) Client computes random 2048-bit number b (using a sufficient amount of entropy) and sends the server a message

First, generate a secure random 2048-bit number b:

-
b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
+
b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

Then compute g_b = pow(g, b) mod dh_prime

-
g_b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
+
g_b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
7.1) generation of encrypted_data

Generated payload (excluding transport headers/trailers):

-
0000 | 54 B6 43 66 FB 6C 67 30 A2 09 CF B4 D9 9B 31 0D
-0010 | 48 CA 7F EC 48 08 2D 3E 05 DF D9 54 B9 8C E6 56
-0020 | 43 8A 88 00 00 00 00 00 00 00 00 00 FE 00 01 00
-0030 | 48 95 87 2F F2 7C 39 6A 60 C9 8C DB CB 54 69 C0
-0040 | 94 82 42 EE BE 99 A0 ED 45 73 CC 10 C6 68 AE 4A
-0050 | 1B 66 05 38 49 8D 55 44 34 30 8D F0 26 48 20 83
-0060 | EC A6 D6 72 01 66 3E B5 5F 2C 07 6C 43 CC E5 07
-0070 | 9A F0 8E 57 4D 56 6F 29 4D EA 24 21 D1 BF 15 13
-0080 | 62 45 72 E0 EF DB F8 A1 0B 98 1C 65 15 FB 9D 6D
-0090 | 4E EF 01 AB 48 93 80 DE BA AC 59 E4 BD 35 BA 74
-00A0 | AA 59 E7 52 A5 FC 46 70 C9 71 5A 9E A6 84 6D 0E
-00B0 | 3D 7B 02 08 F7 BE 18 DC 5C A6 00 87 3F 45 5B B0
-00C0 | 80 F2 3F 45 AF A7 15 75 0A 0F 76 73 0A 0D D2 A6
-00D0 | DD C9 4A 15 FF 51 E0 A3 E7 F2 8C 32 D7 84 93 1F
-00E0 | 2E CD BA E8 CD 27 EA 54 AC 2C 99 AF 8A DA CD C3
-00F0 | 77 F2 19 13 98 93 B2 7A B6 C2 56 53 E1 7F 34 95
-0100 | 0C 60 B4 19 F2 0D 8C 76 8F D9 A1 77 71 98 BF 3E
-0110 | 1B 9C 78 06 CB 20 7F E3 3C 09 0B B2 86 FE 67 BD
-0120 | 80 A5 74 96 B0 BA 02 95 9A 6E 57 AE 32 9C 9A 39
+
0000 | 54 B6 43 66 3C 7C AF 02 B0 8D 8E AE C6 D4 4F DB
+0010 | D8 41 66 85 8F 63 99 8E 6C 71 46 86 13 4A C1 51
+0020 | 57 B0 2F 00 00 00 00 00 00 00 00 00 FE 00 01 00
+0030 | 7C 51 1D C6 4C B4 F1 AF 32 7A 1E 22 C1 83 F8 71
+0040 | 01 C9 0D 0B 58 21 40 44 F5 96 7E F6 45 D1 73 5E
+0050 | 43 1E 86 F6 ED 7C C8 32 D6 67 4D 9C F3 8A DF 3C
+0060 | 0C 84 D2 93 C4 70 FA CB BB C7 A1 F7 92 DE FC BE
+0070 | B0 BA 7E E7 B6 E1 18 D4 61 74 27 E3 D0 68 9B 13
+0080 | 25 B3 03 62 C4 C6 97 43 DA AC 41 31 97 AD 49 B0
+0090 | 8C 46 A9 57 D1 9B C4 EA D1 F9 7A A4 93 EB D7 A5
+00A0 | 31 30 1A 60 A7 0C 27 EC F3 80 31 CA 81 E2 0C 99
+00B0 | 4D AF 43 59 55 49 66 CF 62 95 A0 3F 06 66 9E 2F
+00C0 | AF C3 BF 93 5A 64 B2 64 1C F8 6E 75 3B EE A3 E5
+00D0 | 29 D8 AD A8 C3 E1 80 08 45 9D 1B AC 33 28 7C 9E
+00E0 | 5D 7D 14 99 94 56 28 4E F0 D7 F1 C1 E7 7B A9 B0
+00F0 | 83 A7 B8 C8 72 FD 6C DF D4 8F 4A 6F E3 34 E2 DC
+0100 | 3E 3D 71 6A 9E D6 8B 71 EF A6 9F B0 E3 33 79 DC
+0110 | DE 25 A5 64 73 C0 E2 08 F0 64 AE 71 DC 0E 6E C6
+0120 | 71 FB 95 77 F5 73 D5 6A EC 3B 4C 4D 6F D5 9E 42

Payload (de)serialization:

client_DH_inner_data#6643b654 nonce:int128 server_nonce:int128 retry_id:long g_b:string = Client_DH_Inner_Data;
nonce 4, 16FB6C6730A209CFB4D99B310D48CA7FEC3C7CAF02B08D8EAEC6D44FDBD8416685 Value generated by client in Step 1
server_nonce 20, 1648082D3E05DFD954B98CE656438A88008F63998E6C714686134AC15157B02F00 Value received from server in Step 2
g_a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
614E79B4		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
0BECE4EA		 g_a diffie-hellman parameter
server_time 560, 4E1C8AB65 (1705756897 in decimal)95F4AB65 (1705768085 in decimal) Server time
@@ -658,19 +658,19 @@ answer = BA0D89B5FB6C6730A209CFB4D99B310D48CA7FEC48082D3E05DFD954B98CE656438A880 - + - + - + @@ -684,47 +684,47 @@ answer = BA0D89B5FB6C6730A209CFB4D99B310D48CA7FEC48082D3E05DFD954B98CE656438A880

The serialization of Client_DH_Inner_Data produces a string data. This is used to generate encrypted_data as specified in step 6, using the following inputs:

-
data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
-padding = 135F6FBA425997B3BB0A66C0
-tmp_aes_key = 939A48A4F8097727F06DDF7AAC298444991F6804620AC0E12890D2F8750F0BF1
-tmp_aes_iv = 2CCC8FF240E00E900DDD34DC87C89B2F9383AEEEF45322E44F4119962A9D4FF9
+
data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
+padding = 83544D79DD0F2CC5AE99CC8E
+tmp_aes_key = 0A7E80F0AD7CF0445C6C627DD6FE5F83030ECAECD2C31CB65EFE28A434F45714
+tmp_aes_iv = 4F1897AF4531CD9257239CF77B1A78A6035DE20EA41CAFCCC59EF8F02AC20EB0

Process:

data_with_hash := SHA1(data) + data + padding (0-15 random bytes such that total length is divisible by 16)
 encrypted_data := AES256_ige_encrypt (data_with_hash, tmp_aes_key, tmp_aes_iv);

Output:

-
encrypted_data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
+
encrypted_data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

The length of the final string is 336 bytes.

7.2) set_client_DH_params query

Sent payload (excluding transport headers/trailers):

-
0000 | 00 00 00 00 00 00 00 00 B0 FE 05 00 E1 C8 AB 65
-0010 | 78 01 00 00 1F 5F 04 F5 FB 6C 67 30 A2 09 CF B4
-0020 | D9 9B 31 0D 48 CA 7F EC 48 08 2D 3E 05 DF D9 54
-0030 | B9 8C E6 56 43 8A 88 00 FE 50 01 00 93 AB 2A F9
-0040 | 6F 1A 51 91 5C D4 B1 F8 9E ED 07 81 9E 10 DD DE
-0050 | 3F 93 6D 67 F2 D0 E5 59 12 0D DD 56 F6 74 77 59
-0060 | 64 F5 F1 32 43 BC F3 92 3B C7 90 E2 57 11 DA 6E
-0070 | AD 8A 1B EF C5 61 61 53 2A 5E E7 0D 64 C0 0E 37
-0080 | D7 E5 78 57 72 A3 B7 E1 AC 93 EE 2D 55 6D 48 17
-0090 | 96 27 B6 3A 2E 0C 3E F3 FE F7 0D F5 FE 43 51 88
-00A0 | 36 28 E6 7C 61 47 F2 76 B5 32 A1 F3 A1 98 FA D2
-00B0 | 09 A7 47 2E 24 4E FC B6 FB C0 CB 42 C8 36 FA 5C
-00C0 | 12 C4 49 93 55 A3 09 92 02 AC 4F CB AE 41 7B 99
-00D0 | BF 00 C6 FF 3A 51 FE E6 4C 57 1A 37 55 5F 2A AE
-00E0 | E9 0A 09 C1 6D 77 A9 E6 8D 72 8D 59 6C EB 84 F5
-00F0 | 2C 88 61 AE 54 EB 62 3B 1E 91 10 3E 0E 92 49 5F
-0100 | 2C 04 22 E2 10 39 E3 AF CC B7 FD D6 42 56 20 E5
-0110 | 1A 67 20 6E C9 24 96 79 01 9E 90 57 9E 1D EE DC
-0120 | 79 1A A6 FB 6F D0 7D 8E 60 43 C3 4A 0D DF 7C 31
-0130 | 19 23 55 A9 7B 41 19 10 3F 2C 8B 7F DB 8B E7 AE
-0140 | 12 77 C1 83 DA 28 C4 8D CE 3E 55 E6 77 2A 7B 20
-0150 | 58 5D 3D 6B DD C8 1B 03 A8 D5 E0 70 CB B5 68 C9
-0160 | 58 A5 66 26 CD 21 A0 39 47 CC DD CF 1F BC D5 22
-0170 | C6 A6 0D BB 9D D3 AE 13 8F 2D C1 12 DE D7 4D EE
-0180 | 63 BE 21 44 35 75 3B 58 10 0E 53 4E
+
0000 | 00 00 00 00 00 00 00 00 D0 A9 03 00 96 F4 AB 65
+0010 | 78 01 00 00 1F 5F 04 F5 3C 7C AF 02 B0 8D 8E AE
+0020 | C6 D4 4F DB D8 41 66 85 8F 63 99 8E 6C 71 46 86
+0030 | 13 4A C1 51 57 B0 2F 00 FE 50 01 00 A9 85 CE 8E
+0040 | A9 4B B5 DC 21 7B 82 08 36 C8 1C 6F F6 97 80 1B
+0050 | 17 35 4A B5 8F CD 7C 60 DA BB 93 B4 01 36 98 3E
+0060 | B2 91 83 D2 54 DF C5 D4 14 9E 3E B0 C7 8B 6F 2A
+0070 | D3 E7 9F 65 2E 78 B6 ED F9 FE 32 C5 9D DD B1 D6
+0080 | 08 C5 74 1C 02 C8 F1 6E C1 D9 42 DB 2D D4 56 51
+0090 | C6 B8 C1 1D 6A F2 C9 39 00 6E 6F 84 43 42 E6 7E
+00A0 | 54 ED DC A2 5A 0A 06 66 C3 9D 7B E4 EF 9B EC 2C
+00B0 | E1 14 48 64 DE FD C7 56 D7 0B 62 49 63 81 22 6E
+00C0 | 66 15 E2 C2 A7 7F 86 C8 7A 2C F7 8B 1B ED 32 69
+00D0 | AB FB 42 9E 00 B7 A9 7F 11 4A 2D 10 90 BD 4A 3B
+00E0 | 9B 64 F0 4E 42 A8 59 CC DC 4F 22 4F 55 00 E3 5B
+00F0 | B8 C5 DD E6 49 F9 00 7A 90 A1 AD 23 A6 D3 6E EB
+0100 | 4F 39 E0 D1 29 7C 19 D6 E5 86 EF 5F 52 7A 70 47
+0110 | BE 1B 53 48 0D 61 01 BB 87 A6 AC A9 6F 87 0A 82
+0120 | 7D 3A E0 32 F2 DA 3F 08 D4 F0 CC 9E FA EF 5B 2D
+0130 | 49 E8 99 56 91 D8 D3 29 A1 98 69 57 11 A8 3A F9
+0140 | 3F 06 8C 02 DA 79 52 69 1E CF BA 84 25 41 E4 07
+0150 | 93 04 EB A5 6F 33 96 89 80 88 4F 64 9F CA FD C1
+0160 | 57 51 4F 83 BA 69 CE 01 FE D3 22 04 89 03 BD 6F
+0170 | C3 4C BF 9D 09 95 6B FD 63 49 65 DB 73 59 C9 AC
+0180 | 30 86 1B DB EC 13 5F A0 6E 24 23 35

Payload (de)serialization:

set_client_DH_params#f5045f1f nonce:int128 server_nonce:int128 encrypted_data:string = Set_client_DH_params_answer;
nonce 4, 16FB6C6730A209CFB4D99B310D48CA7FEC3C7CAF02B08D8EAEC6D44FDBD8416685 Value generated by client in Step 1
server_nonce 20, 1648082D3E05DFD954B98CE656438A88008F63998E6C714686134AC15157B02F00 Value received from server in Step 2
g_b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
329C9A39		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
6FD59E42		 Single-byte prefix denoting length, a 256-byte (2048-bit) string, and zero bytes of padding
@@ -746,7 +746,7 @@ encrypted_data := AES256_ige_encrypt (data_with_hash, tmp_aes_key, tmp_aes_iv);< - + @@ -764,19 +764,19 @@ encrypted_data := AES256_ige_encrypt (data_with_hash, tmp_aes_key, tmp_aes_iv);< - + - + - + @@ -785,17 +785,17 @@ encrypted_data := AES256_ige_encrypt (data_with_hash, tmp_aes_key, tmp_aes_iv);<
8) Auth key generation

The client computes the auth_key using formula g_a^b mod dh_prime:

-
auth_key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
+
auth_key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
9) Final server reply

The server verifies and confirms that auth_key_hash is unique: since it's unique, it replies with the following:

Received payload (excluding transport headers/trailers):

-
0000 | 00 00 00 00 00 00 00 00 01 94 29 17 E2 C8 AB 65
-0010 | B0 00 00 00 34 F7 CB 3B FB 6C 67 30 A2 09 CF B4
-0020 | D9 9B 31 0D 48 CA 7F EC 48 08 2D 3E 05 DF D9 54
-0030 | B9 8C E6 56 43 8A 88 00 9B 1A 8F 9A 8D 23 BD C1
-0040 | FE 2E 7C 9F 01 DA 7C 8B
+
0000 | 00 00 00 00 00 00 00 00 01 9C AC CC 96 F4 AB 65
+0010 | 5C 00 00 00 34 F7 CB 3B 3C 7C AF 02 B0 8D 8E AE
+0020 | C6 D4 4F DB D8 41 66 85 8F 63 99 8E 6C 71 46 86
+0030 | 13 4A C1 51 57 B0 2F 00 D6 D0 71 E8 A4 CC 1A DF
+0040 | 12 36 57 FD 08 0C D0 48

Payload (de)serialization:

dh_gen_ok#3bcbf734 nonce:int128 server_nonce:int128 new_nonce_hash1:int128 = Set_client_DH_params_answer;
message_id 8, 8B0FE0500E1C8AB65D0A9030096F4AB65 Message ID generated as specified here » (unixtime() << 32) + (N*4)
nonce 24, 16FB6C6730A209CFB4D99B310D48CA7FEC3C7CAF02B08D8EAEC6D44FDBD8416685 Value generated by client in Step 1
server_nonce 40, 1648082D3E05DFD954B98CE656438A88008F63998E6C714686134AC15157B02F00 Value received from server in Step 2
encrypted_data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
100E534E		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
6E242335		 Encrypted client_DH_inner_data generated previously, serialized as a TL byte string
@@ -817,13 +817,13 @@ encrypted_data := AES256_ige_encrypt (data_with_hash, tmp_aes_key, tmp_aes_iv);< - + - + @@ -835,19 +835,19 @@ encrypted_data := AES256_ige_encrypt (data_with_hash, tmp_aes_key, tmp_aes_iv);< - + - + - +
message_id 8, 801942917E2C8AB65019CACCC96F4AB65 Message ID generated as specified here » (unixtime() << 32) + (N*4)
message_length 16, 4B0000000 (176 in decimal)5C000000 (92 in decimal) Message body length
nonce 24, 16FB6C6730A209CFB4D99B310D48CA7FEC3C7CAF02B08D8EAEC6D44FDBD8416685 Value generated by client in Step 1
server_nonce 40, 1648082D3E05DFD954B98CE656438A88008F63998E6C714686134AC15157B02F00 Value received from server in Step 2
new_nonce_hash1 56, 169B1A8F9A8D23BDC1FE2E7C9F01DA7C8BD6D071E8A4CC1ADF123657FD080CD048 The 128 lower-order bits of SHA1 of the byte string derived from the new_nonce string by adding a single byte with the value of 1, 2, or 3, and followed by another 8 bytes with auth_key_aux_hash. Different values are required to prevent an intruder from changing server response dh_gen_ok into dh_gen_retry.