Description: 1, for the financial industry, the key is not very familiar with the person 2, introducing the key system, the financial structure and the concept of three, introduced PIN, PIK, MAC, MAK, BMK, MK and other four, namely, personal password, PINBLOCK, PIK (Personal identification code keys), message authentication code MAC 5, describes the packet identification techniques, MAC, MD5, SHA 6, describes the PINBLOCK generation method 7, commercial banks, security devices and the deployment of
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bank_safe_key.pdf
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