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The difference between HMAC algorithm and SSLv3 is that pad1 and pad2 are ________ in SSLv3 whereas ________ in HMAC.

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The difference between HMAC algorithm and SSLv3 is that pad1 and pad2 are ________ in SSLv3 whereas ________ in HMAC.

(a) NANDed, XORed

(b) Concatenated, XORed

(c) XORed, NANDed

(d) XORed, Concatenated

I had been asked this question in an international level competition.

The question is from Secure Socket Layer in section Internet Protocol, Network Addressing and Transport Level Security of Cryptograph & Network Security

1 Answer

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The correct answer is (b) Concatenated, XORed

Explanation: The pads are concatenated in SSLv3 and XORed in HMAC algorithm.

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