multi-target attacks also affect initial key generation for mutable files
[Imported from Trac: page NewMutableEncodingDesign, version 17]
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@ -17,8 +17,8 @@ Below, K is the security level needed for an attack against confidentiality:
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such attacks will require p * 2^K^ work factor (product of machine size and time)
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for a probability of success p. T is the additional number of bits needed to take
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into account
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[multi-target attacks](http://allmydata.org/trac/tahoe/ticket/882#comment:6) against
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hash functions, so that attacks against integrity also require p * 2^K^ work factor
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[multi-target attacks](http://allmydata.org/trac/tahoe/ticket/882#comment:6),
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so that attacks against integrity also require p * 2^K^ work factor
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for 2^T^ target files.
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# Yay ECDSA
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