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SCP Exam SC0-501 Topic 2 Question 102 Discussion

Actual exam question for SCP's SC0-501 exam
Question #: 102
Topic #: 2
[All SC0-501 Questions]

One important X.509v3 extension in a digital certificte is the SubjectKeyldentifier. What is the purpose of this field?

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Suggested Answer: D

by Chaya at Oct 22, 2024, 12:34 AM

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Thaddeus
10 months ago
Ugh, these X.509 questions are the worst. I'm just going to guess C and hope for the best. At least it's multiple choice, right? Could be worse, could be one of those 'select all that apply' nightmares.
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Sherron
9 months ago
Let's hope for the best with our guesses. Multiple choice questions can be tricky.
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Graham
10 months ago
Yeah, I agree. It's definitely important to validate the subject using the SubjectKeyldentifier.
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Belen
10 months ago
I think C is a good guess. It's all about that hash value of the subject's public key.
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Colette
11 months ago
Ah, the age-old question of SubjectKeyIdentifier. I'm going to go with C as well. It just makes the most sense to me. Although, I do love a good 'decrypt the private key' joke, so B had me chuckling a bit.
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Fatima
11 months ago
I'm going with C. The hash of the subject's public key seems the most logical purpose for this extension. It's a way to uniquely identify the certificate holder.
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Yen
9 months ago
B) This extension contains a hash of the subject's This allows a user to decrypt the subject's private key using the publisheed public key and recalulate the hash value of the private key on the certificate to look for a match. If the calculation matches the SubjectKeyldentifier value, then the subject can be validated.
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Christiane
9 months ago
I'm not sure about that. I think B makes more sense. The hash of the subject's private key would be more secure for identification purposes.
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Sarah
10 months ago
A) This extension contains a hash of the end entity's private key. This allows a user to decrypt the end entity's private key using the publisheed public key and recalulate the hash value of the private key on the certificate to look for a match. If the calculation matches the SubjectKeyldentifier value, then the end entity can be validated.
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William
10 months ago
C) This extension has a hash of the subject's public key. This allows a user to calculate the hash value of the public key on the certificate to look for a match. If the calculation matches the SubjectKeyldentifier value, then the subject can be validated.
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Jeffrey
11 months ago
I was leaning towards B, but now I'm second-guessing myself. Can't the SubjectKeyIdentifier also be used to validate the subject's identity? This stuff can get so confusing sometimes.
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Jerry
11 months ago
Hmm, this one's tricky. I think the answer is C, but I'm not 100% sure. The SubjectKeyIdentifier is supposed to contain a hash of the subject's public key, right?
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Nu
10 months ago
D) This extension has a hash of the issue's public key. This allows a user to calculate the hash value of the public key on the certificate to look for a match. If the calculation matches the SubjectKeyldentifier value, then the CA can be validated.
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Josphine
10 months ago
C) This extension has a hash of the subject's public key. This allows a user to calculate the hash value of the public key on the certificate to look for a match. If the calculation matches the SubjectKeyldentifier value, then the subject can be validated.
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Joye
10 months ago
B) This extension contains a hash of the subject's This allows a user to decrypt the subject's private key using the publisheed public key and recalulate the hash value of the private key on the certificate to look for a match.If the calculation matches the SubjectKeyldentifier value, then the subject can be validated.
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Evangelina
11 months ago
A) This extension contains a hash of the end entity's private key. This allows a user to decrypt the end entity's private key using the publisheed public key and recalulate the hash value of the private key on the certificate to look for a match. If the calculation matches the SubjectKeyldentifier value, then the end entity can be validated.
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Cammy
12 months ago
I agree with you, Gerardo. This allows a user to validate the subject by matching the hash value of the public key.
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Gerardo
12 months ago
I think the purpose of the SubjectKeyIdentifier is to contain a hash of the subject's public key.
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