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EMV Key Management Explained - Cryptomathic

EMV Key Management Explained - Cryptomathic

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The data preparation system uses an AC master key to create a unique 3DES key for each card; the AC card key is derived using the account number. The card uses the AC card key to encrypt transaction data, and when the authorization system receives that encrypted data it can then, at run-time, use the AC master key to derive the AC card key

  System, Management, Master, Master key, Emv key management

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