Hashå½æ° - å京大å¦è®¡ç®æºç§å¦ææ¯ç 究æ
Hashå½æ° - å京大å¦è®¡ç®æºç§å¦ææ¯ç 究æ
Hashå½æ° - å京大å¦è®¡ç®æºç§å¦ææ¯ç 究æ
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Keyed Hash Functions as MACs have desire to create a MAC using a hash functionrather than a block cipher because hash functions are generally faster not limited by export controls unlike block ciphers hash includes a key along with the message original proposal:KeyedHash = Hash(Key|Message) some weaknesses were found with this eventually led to development of HMAC
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