296 |
-solution: (partial solution) the defence against this would be standard authentication techique, such as digital signatures. However, |
-solution: (partial solution) the defence against this would be standard authentication techique, such as digital signatures. However, |
297 |
there are no working implementation for this yet (digital signatures are expensive currently) |
there are no working implementation for this yet (digital signatures are expensive currently) |
298 |
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299 |
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-summary: |
300 |
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-problem: attacker denies service, attacker return incorrect data and attacker denies data exists: |
301 |
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-solution: redundancy (replication, caching) |
302 |
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-problem: sybil attack (attacker creates multiple identities and foils the redundancy |
303 |
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-solution: need a way to control creation of node IDs (ID = SHA-1(ip-address), challange node verify its ID) |
304 |
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305 |
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306 |
2.2. "Searching for most recent Storm block associated with specific urn-5 name, where |
2.2. "Searching for most recent Storm block associated with specific urn-5 name, where |
307 |
the block has been signed with a given key" |
the block has been signed with a given key" |
308 |
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