[PDF][PDF] Japan CRYPTREC Activity on Lightweight Cryptography
S Moriai - Cryptography Research and Evaluation Commitees, 2015 - csrc.nist.gov
S Moriai
Cryptography Research and Evaluation Commitees, 2015•csrc.nist.gov–Some lightweight cryptographic primitives are designed to have advantages(lightweight
properties) in specific efficiency measures, so their security turn out to be sacrificed.–For
example, for 64-‐bit block ciphers, a secret key should be changed after 232 block
encryptions(32GB).–However, there exist some countermeasures and special modes for
beyond the“birthday bound” security.
properties) in specific efficiency measures, so their security turn out to be sacrificed.–For
example, for 64-‐bit block ciphers, a secret key should be changed after 232 block
encryptions(32GB).–However, there exist some countermeasures and special modes for
beyond the“birthday bound” security.
–Some lightweight cryptographic primitives are designed to have advantages(lightweight properties) in specific efficiency measures, so their security turn out to be sacrificed.–For example, for 64-‐bit block ciphers, a secret key should be changed after 232 block encryptions(32GB).–However, there exist some countermeasures and special modes for beyond the“birthday bound” security.
csrc.nist.gov
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