Command and Reply Codes

The following commands and replies are reserved by the protocol for various actions. The following tables show their descriptions and whether or not this implementation of OSDP supports those commands.

Commands

Command

Value

Description

Support

CMD_POLL

0x60

Poll

Yes

CMD_ID

0x61

ID Report Request

Yes

CMD_CAP

0x62

Peripheral Device Capabilities Request

Yes

CMD_DIAG

0x63

Diagnostic Function Request

No

CMD_LSTAT

0x64

Local Status Report Request

Yes

CMD_ISTAT

0x65

Input Status Report Request

Yes

CMD_OSTAT

0x66

Output Status Report Request

Yes

CMD_RSTAT

0x67

Reader Status Tamper Report Request

Yes

CMD_OUT

0x68

Output Control Command

Yes

CMD_LED

0x69

Reader LED Control Command

Yes

CMD_BUZ

0x6A

Reader Buzzer Control Command

Yes

CMD_TEXT

0x6B

Reader Text Output Command

Yes

CMD_COMSET

0x6E

Communication Configuration Command

Yes

CMD_DATA

0x6F

Data Transfer Command

No

CMD_PROMPT

0x71

Set Automatic Reader Prompt Strings DRAFT

No

CMD_BIOREAD

0x73

Scan and send biometric data

No

CMD_BIOMATCH

0x74

Scan and match biometric data

No

CMD_KEYSET

0x75

Encryption Key Set

Yes

CMD_CHLNG

0x76

Challenge and Secure Session Initialization Request

Yes

CMD_SCRYPT

0x77

Server’s Random Number and Server Cryptogram

Yes

CMD_ABORT

0x7A

Stop Multi Part Message

Yes

CMD_ACURXSIZE

0x7B

Maximum Acceptable Reply Size

Yes

CMD_FILETRANSFER

0x7C

File transfer command

Yes

CMD_MFG

0x80

Manufacturer Specific Command

Yes

CMD_KEEPACTIVE

0xA7

Keep secure channel active

Yes

Responses

Response

Value

Description

Support

REPLY_ACK

0x40

General Acknowledge, Nothing to Report

Yes

REPLY_NAK

0x41

Negative Acknowledge – SIO Comm Handler Error Response

Yes

REPLY_PDID

0x45

Device Identification Report

Yes

REPLY_PDCAP

0x46

Device Capabilities Report

Yes

REPLY_LSTATR

0x48

Local Status Report

Yes

REPLY_IASTR

0x49

Input Status Report

No

REPLY_OSTATR

0x4A

Output Status Report

No

REPLY_RSTATR

0x4B

Reader Status Tamper Report

Yes

REPLY_RAW

0x50

Card Data Report, Raw Bit Array

Yes

REPLY_FMT

0x51

Card Data Report, Character Array

Yes

REPLY_KEYPPAD

0x53

Keypad Data Report

Yes

REPLY_COM

0x54

Communication Configuration Report

Yes

REPLY_BIOREADR

0x57

Biometric Data

No

REPLY_BIOMATCHR

0x58

Biometric Match Result

No

REPLY_CCRYPT

0x76

Client’s ID and Client’s Random Number

Yes

REPLY_RMAC_I

0x78

Client Cryptogram Packet and the Initial R-MAC

Yes

REPLY_FTSTAT

0x7A

File transfer status

Yes

REPLY_MFGREP

0x90

Manufacturer Specific Reply

Yes

REPLY_BUSY

0x79

PD Is Busy Reply

Yes

REPLY_XRD

0xB1

Extended R/W commands

No