Ingenico 6500 ユーザーズマニュアル

 

 

Ingenico 6500 User’s Guide 

93 

 

9.2 

Key Name 

Index 

Length  Description of Key 

Sponsor key (KTK, 

key transfer key, 

also known as 

TMK

) 

0 

16 

This key will be loaded as clear text. All Level 

2 keys will be transferred to the debit terminal 

encrypted under this key. A default key is set if 

no customer key is injected. 

9.3 

Key Name 

Index 

Length  Description of Key 

Secure Text Entry 

Form Authorization 

Key (PEFMK) 

1 

8/16 

This key is loaded encrypted under the KTK. 

All prompts and/or screens used for Secure 

Text Entry of all applications will be 

authenticated using this key if the Prompts 

Authentication Key security option is set to 

terminal based (0). 

Clear Text Entry 

Form Authorization 

Key (CEFMK) 

2 

8/16 

This key is loaded encrypted under the KTK. 

All prompts and/or screens used for Clear Text 

Entry of all applications will be authenticated 

using this key if Prompts Authentication Key 

security option is set to terminal based (0). 

Application 

Download 

Authorization Key 

(CDMK) 

3 

8/16 

This key is the variant of KTK. It will be used to 

verify the MAC value of the fingerprint of the 

code being downloaded into the device. Code 

MACing always uses the Application 

Download Authorization Key.