---
title: IT関連技術レポートの情報公開（#4 How to find out HID Prox card Nunber）
description: IT関連技術に関するレポートを公開する際のポイントや方法について解説します。
---

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 Jul 5, 2024, 10:45:52 AM

# IT関連技術レポートの情報公開（#4 How to find out HID Prox card Nunber）

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HID Cardの番号の見つけ方

HID Cardの番号の見つけ方

**How to find out HID Prox card Number**

1.**HID Prox | UID Length 26 Bits **

**1.HID Prox | UID Length 26 Bits | UID HEX 029342E4**

![](https://sola-solutions.jp.net/hs-fs/hubfs/image-png-Jun-25-2024-11-37-59-7559-AM.png?width=938&height=311&name=image-png-Jun-25-2024-11-37-59-7559-AM.png)

2.HID Prox | UID Length 26 Bits Detail

- How to Create from Employee number to PSES Number. 
    - HID Prox 26 bit Specification.

P is Parity.

           P S S S S S S S S N N N N N N N N N N N N N N N N   P

BIT       1 2                     9 10                                                         25 26

 

Rule;

BIT       1 is an even parity for the following 12 bits. The sum of bits 1-13 is even.

BITS     2-9 are the SITE CODE.

 

BITS    10-25 This is the number usually employee number.

BIT       26 is an odd parity over the previous 12 bits. The sum of bits 14-25 is odd.

14-25 sum is Odd which 26 bit is 0 and if Even, 26 bit is 1

To change employee number to HID number has two formula;

- (Employee number x 2)

- (Employee number x 2+1)

To check 14-25 sum is related.

 

Example 1: Site Code of 004 and a Card Number of 123 output will be  

1 0 0 0 0 0 1 0 0    0 0 0 0  0 0 0 0 0 1 1 1 1 0 1 1  1

 

Example 2: Site Code of 240 and a Card Number of 9501 output will be  

1 1 1 1 1 0 0 0 0    0 0 1 0 0 1 0 1 0 0 0 1 1 1 0 1  1

 

Example 3: Site Code of 240 and a Card Number of 9500output will be  

1 1 1 1 1 0 0 0 0    0 0 1 0 0 1 0 1 0 0 0 1 1 1 0 0  0

 

Max Site code is 255

Max card number is 16384

3. How to change from Decimal to Hex on the Excel

- Formula 
    - To change Employee number to Hex

40225        -> 9D21

                 =DEC2HEX(B4)+1

 

- Hex change to Bit

9D21          ->1001110100100001 =CONCATENATE(TEXT(HEX2BIN(MID(C4,2,1)),"0000")&TEXT(HEX2BIN(RIGHT(C4,2)),"00000000"))

- Hex2Bin function can use only 2 digit Hex number.

- Binary should not eliminate top 0 data to control digit.

- To use 14-25 bit that means we need D21 but not 9D21.

 

- To count “1”

110100100001 -> 5

=LEN(D4)-LEN(SUBSTITUTE(D4,"1",""))

To change ‘1’ to blank and calculate character length.

Original length minus calculated length is number of ‘1’.

Odd means no need 1 on the 26 bit. 26bit is ‘0’.

Even means need 1 on the 26 bit. 26bit is ‘1’.

 

- To select 26 bit(Parity bit)

MOD(N156,2)=0   -> DEC2HEX(F156\*2+1)

MOD(N156,2)=1   -> DEC2HEX(F156\*2+0)

 

- Add redundancy

1A029+ calculated employ number +FFFFFFFFFFFFFFFFFFFFFF

1A029+33A7D+FFFFFFFFFFFFFFFFFFFFFF

 

=CONCATENATE($K$156,DEC2HEX(F156\*2+1+HEX2DEC(20000)),$L$156),CONCATENATE($K$156,DEC2HEX(F156\*2+0+HEX2DEC(20000)),$L$156))

 

- Final formula

=IF(MOD(N156,2)=0,CONCATENATE($K$156,DEC2HEX(F156\*2+1+HEX2DEC(20000)),$L$156),CONCATENATE($K$156,DEC2HEX(F156\*2+0+HEX2DEC(20000)),$L$156))

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[IT技術](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/tag/it%E6%8A%80%E8%A1%93), [簡単](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/tag/%E7%B0%A1%E5%8D%98), [カードリーダー](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/tag/%E3%82%AB%E3%83%BC%E3%83%89%E3%83%AA%E3%83%BC%E3%83%80%E3%83%BC), [Card Reader](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/tag/card-reader)

## [IT関連技術レポートの情報公開（#3 How to find out PID/VID）](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/%E7%B0%A1%E5%8D%98%E3%81%AAit%E9%96%A2%E9%80%A3%E6%8A%80%E8%A1%93%E3%83%AC%E3%83%9D%E3%83%BC%E3%83%88%E3%81%AE%E6%83%85%E5%A0%B1%E5%85%AC%E9%96%8B-0-0)

![Keith Nakagamaの写真](https://sola-solutions.jp.net/hs-fs/hubfs/sola.png?width=50&name=sola.png) [Keith Nakagama](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/author/keith-nakagama) 

 Jun 25, 2024, 9:23:23 PM

Card ReaderのPID/VIDの見つけ方

[続きを読む](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/%E7%B0%A1%E5%8D%98%E3%81%AAit%E9%96%A2%E9%80%A3%E6%8A%80%E8%A1%93%E3%83%AC%E3%83%9D%E3%83%BC%E3%83%88%E3%81%AE%E6%83%85%E5%A0%B1%E5%85%AC%E9%96%8B-0-0)

[IT技術](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/tag/it%E6%8A%80%E8%A1%93), [簡単](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/tag/%E7%B0%A1%E5%8D%98), [パソコン](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/tag/%E3%83%91%E3%82%BD%E3%82%B3%E3%83%B3), [PC](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/tag/pc), [ウインドウズ](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/tag/%E3%82%A6%E3%82%A4%E3%83%B3%E3%83%89%E3%82%A6%E3%82%BA)

## [IT関連技術レポートの情報公開（#1  Win11 Lock Screen Setting How to eliminate widgets.）](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/%E7%B0%A1%E5%8D%98%E3%81%AAit%E9%96%A2%E9%80%A3%E6%8A%80%E8%A1%93%E3%83%AC%E3%83%9D%E3%83%BC%E3%83%88%E3%81%AE%E6%83%85%E5%A0%B1%E5%85%AC%E9%96%8B)

![Keith Nakagamaの写真](https://sola-solutions.jp.net/hs-fs/hubfs/sola.png?width=50&name=sola.png) [Keith Nakagama](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/author/keith-nakagama) 

 Jun 24, 2024, 10:06:07 PM

Windows11 Lock Screenのガジェットの消し方/ Lock Screen Setting How to eliminate widgets.

[続きを読む](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/%E7%B0%A1%E5%8D%98%E3%81%AAit%E9%96%A2%E9%80%A3%E6%8A%80%E8%A1%93%E3%83%AC%E3%83%9D%E3%83%BC%E3%83%88%E3%81%AE%E6%83%85%E5%A0%B1%E5%85%AC%E9%96%8B)

[IT技術](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/tag/it%E6%8A%80%E8%A1%93), [簡単](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/tag/%E7%B0%A1%E5%8D%98), [MTU](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/tag/mtu)

## [IT関連技術レポートの情報公開（#5 MTU check Bat file ）](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/%E7%B0%A1%E5%8D%98%E3%81%AAit%E9%96%A2%E9%80%A3%E6%8A%80%E8%A1%93%E3%83%AC%E3%83%9D%E3%83%BC%E3%83%88%E3%81%AE%E6%83%85%E5%A0%B1%E5%85%AC%E9%96%8B-0-0-0-0)

![Keith Nakagamaの写真](https://sola-solutions.jp.net/hs-fs/hubfs/sola.png?width=50&name=sola.png) [Keith Nakagama](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/author/keith-nakagama) 

 Jun 26, 2024, 11:02:19 PM

MTUのサイズの見つけ方 How to find out MTU Size

[続きを読む](https://sola-solutions.jp.net/ja/%E3%83%96%E3%83%AD%E3%82%B0/%E7%B0%A1%E5%8D%98%E3%81%AAit%E9%96%A2%E9%80%A3%E6%8A%80%E8%A1%93%E3%83%AC%E3%83%9D%E3%83%BC%E3%83%88%E3%81%AE%E6%83%85%E5%A0%B1%E5%85%AC%E9%96%8B-0-0-0-0)

facebook-f icon [linkedin-in icon](https://au.linkedin.com/in/keith-nakagama-b0786927) Twitter icon instagram icon

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---

## Japan Sola Solutions

## (Sola-Solutions.jp.net)

Keith Nakagama

## Sydney NSW Australia

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