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出典:Wikipedia
出典:『Wikipedia』 (2007/02/23 19:02 UTC 版)
In cryptography, a subgroup confinement attack (or small subgroup confinement attack) on a cryptographic method that operates in a large finite group is where an attacker attempts to compromise the method by forcing a key to be confined to an unexpectedly small subgroup of the desired group.
small subgroup confinement attack