Question: Assume the HMAC uses SHA-256 Hash function and theOutput length of HMAC is 512 bits. If we want to get ahash code with length=1024,

Assume the HMAC uses SHA-256 Hash function and theOutput length of HMAC

Assume the HMAC uses SHA-256 Hash function and theOutput length of HMAC is 512 bits. If we want to get ahash code with length=1024, how many times does the SHA-256 is used? Write down your result and reason? Secret- Secret- Seed HMAC A(1) Seed HMAC Secret HMAC A(2) Seed Secret HMAC Secret HMAC Length hash sine HMAC A(3) Seed

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