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Types of authentication

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Reference no: EM131689669

Explain the threat in each of the following types of authentication and provide a solution for each scenario below:

    • Alice sends a password, and Bob compares it against a database of passwords.
    • Alice sends a password, and Bob hashes it and compares it against a database of hashed passwords.
    • Alice computes the hash of a password and uses it as secret key in challenge/response protocol.
    • Alice computes the hash of a password and sends it to Bob, who hashes it and compares it against a database of doubly-hashed passwords.

Reference no: EM131689669

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