process electronic payment terminal HSM BANK (ISSUER,ACQUIRER)

Mar 23 at 11:45 AM
Edited Mar 23 at 3:51 PM
Hello
please can anybody here tell me ,the process between electronic payement terminal ,HSM,issuer bank and acquirer bank
with key management (PIN,PIN BLOCK,LMK,TMK,ZMK,ZPK,TPK ......

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