Specifications

P25 Development Guide
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46
10 [00000024] IRP_MJ_WRITE Length: 0021
Data: C0 81 37 30 30 31 31 01 01 01 11 9D F1 BA 87 39 15 CA D4 73 C1
Request to read MSR data
Eg Data
Content
Length Explain
C0 1 start of frame
81 1 CT_ENCRYPT_WITH_SESSION
37 1 data id
30 30 31
31
4 data len
01 1 Version
01 1 key id
01 1 Algor, ENCRYPT_ALG_3DES
ENCRYPTED_WITH_MASTER_KEY(CMD_MSR_REQ,timout,CRC,P
ADDING)after decrypt, it would be:
Eg Data
Content
Length Explain
89 1 CMD_MSR_REQ
11 9D...15
CA
Multipl
e of 8
??...?? 2 timeout, eg "32 30" means msr timeout
would be 20 second
D4 73 2 CRC
C1 1 end of frame
11 [00000435] IRP_MJ_READ Length: 0136
Data: C0 81 37 30 31 32 33 01 01 01 FD 78 C8 99 42 BA 7F 2B E8 5D E5 89 EB 4A 77
11 27 4A E7 61 8D 7D E0 B0 56 4C 9E 97 D6 A3 8A 8D 6B 5C C4 A9 C2 A5 A3 95
89 B2 A2 C7 05 14 93 9E 7B B0 A0 43 F6 DD 80 68 05 74 A2 50 F7 D3 A0 57 2D
32 69 43 7D E0 B7 36 C3 82 05 01 3A 70 86 50 A8 47 A3 BF C6 B7 6B 73 A1 84 0C
77 93 27 93 69 5F E0 D1 7D E0 04 45 23 9A 14 26 54 9B B4 77 65 1C 84 D3 49 E9
78 2F 4A 94 E7 60 F6 DB C1