Saving in communication overhead Sample Clauses

Saving in communication overhead. The communication overhead measured in bits is jhash( )j+ jqj+ jpj for the signature-then- encryption based on Xxxxxxx signature and ElGamal encryption, and jKH ( )j + jqj for the two signcryption schemes SCS1 and SCS2, where jxj refers to the size of a binary string, KH is a keyed hash function and hash is a one-way hash function (used in Xxxxxxx signature, but not the one used in signcryption). Hence the saving in communication overhead is jhash( )j + jqj + jpj (jKH ( )j + jqj) jhash( )j + jqj + jpj Assuming that the one-way hash function hash used in the signature-then-encryption scheme and the keyed hash function KH used in the signcryption scheme share the same output length, the reduction in communication overhead is jpj. For the minimum security parameters recommended for use in current practice: jKH ( )j = jhash( )j = 72, jqj = 144 and jpj = 512, the numerical value for the saving is 70:3%. One can see that the longer the prime p, the larger the saving. The above discussions can be summarized as: Cost(signcryption) Cost(shortened signature) for the two signcryption schemes SCS1 and SCS2.
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Related to Saving in communication overhead

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  • Services Communications Our Services include, in some cases, the ability to communicate to you, such as via email, text message, and push notifications. You hereby consent to our use of a l means of communication available to us to contact you. These communications may include messages from us, as we l as communications from Third Party Services and other of our third party partners. You may opt out of receiving communications by emailing us at our Contact Formavailable here or by clicking the “unsubscribe” link to the extent available in a communication you receive from us. We do not control and sha l have no responsibility for communications from third parties.

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