1 / 5
To create a digital signature, the signer uses which key?
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The signer signs with their private key; anyone can verify with the corresponding public key.
2 / 5
Verification uses the signer's 'public key'. What does a successful verification prove?
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Verification confirms integrity (unaltered) and authenticity (signed by the private-key holder).
3 / 5
What does 'non-repudiation' mean?
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Non-repudiation means a valid signature binds the signer so they can't later deny signing.
4 / 5
A pipeline 'signs the artifact' before release. Why?
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Signing artifacts lets downstream users verify provenance and integrity, blocking tampered builds.
5 / 5
Which sentence correctly uses 'integrity' in signing?
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Integrity means the data is unaltered; any modification breaks the signature check.