RNA Handshake

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Self-Service Checkout

da Alex Webster

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da canal de aprendizaje

My knowledges & skills

da Weiyan Lin

Nairobi, Kenya

da sara crisafulli

RNA Handshake

Packet_3 [S->C]

blowfish_check [unsigned short]

0x1337

blowfish_chunk1 [unsigned long]

0x55

0xB007

0x0007 | 0xB000

{Blowfish crypted packet}

Packet_2 [C->S]

blowfish_chunk [unsigned long]

sesion_id [16 bytes]

constant

crc [unsigned int]

crc_perform_check(Packet_2_CRYPT);

(unsigned char*)(Packet_1 + 6) ^ 0xFF

0x0020

Packet_1 [S->C]

append A101 Login Packet

security [unsigned char]

{random}

flag [unsigned char]

0x50

size [unsigned int]

0x0005

opcode [unsigned int]

0x6000

Login_Packet [1101]