Which of the following security principles do digital signatures NOT provide? Please select all that apply.

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BlackTom AI · Accepted Answer

The question asks which security principles digital signatures do NOT provide, and indicates there is at least one option to consider. 
Option: Confidentiality. This is the statement listed as not provided by digital signatures. Digital signatures inherently aim to ensure authenticity, integrity, and non-repudiation: they enable recipients to verify who signed a message, detect any tampering with the message, and hold the signer accountable for the origin and integrity of the content. They do not, by themselves, ensure confidentiality, which is the property that prevents others from reading the message contents. Confidentiality is typically achieved through encryption, not through signatures. 
To explain why the other core security principles are not part of the “not provided” list: authenticity is supported because a digital signature binds the signer’s identity to the data; integrity is supported because any alteration after signing would break the signature verification; non-repudiation is supported because the signer cannot deny having created the signature if it can be linked to a valid private key. 
In contrast, confidentiality would require encryption of the payload so that only authorized parties can read it; digital signatures do not, by themselves, conceal the message content. Without additional encryption, anyone who can access the signed data can read it, so confidentiality remains unmet by signatures alone. 
Therefore, Confidentiality is the correct selection for a security principle that digital signatures do NOT provide.

CS1200.34155.202530 Check-in: Cryptography

Which of the following security principles do digital signatures NOT provide? Please select all that apply.

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CS1200.34155.202530 Check-in: Cryptography

Which of the following security principles do digital signatures NOT provide? Please select all that apply.

查看解析

登录即可查看完整答案

类似问题

In cryptography, what is a digital signature used for?

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When receiving a document that has been digitally signed, you can test to ensure that the document was _________ and the _________ was who you expected it to be sent from.

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When receiving a document that has been digitally signed, you can test to ensure that the document was _ and the _ was who you expected it to be sent from.