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We present fast and practical methods for generating randomly distributed pairs of the form (x; g x mod p) or (x; x e mod N), using precomputation. These generation schemes are of wide applicability for speeding-up public key systems that depend on exponentiation and ooer a smooth memory-speed trade-oo. The steps involving exponenti-ation in these systems(More)
When designing password-authenticated key exchange protocols (as opposed to key exchange protocols authenticated using cryptographically secure keys), one must not allow any information to be leaked that would allow verification of the password (a weak shared key), since an attacker who obtains this information may be able to run an off-line dictionary(More)
When designing password-authenticated key exchange protocols (as opposed to key exchange protocols authenticated using cryptographically secure keys), one must not allow any information to be leaked that would allow veriication of the password (a weak shared key), since an attacker who obtains this information may be able to run an oo-line dictionary attack(More)
We have screened a human cDNA expression library in lambda gt11 for clones encoding Alu-binding proteins using direct binding of labeled Alu DNA to recombinant phage lysates fixed on a membrane, and isolated a clone 98% identical in sequence to the well-known substrate of protein kinases, annexin II, which was suggested earlier to play a role in(More)
A GC-ICP-MS method based on extraction and alkylation of butyltins with sodium tetraethylborate was used to quantitatively assess the fate of these analytes in solutions and sediments following exposure to gamma-irradiation. The effects of a 2.5 Mrad sterilization dose on three butyltin species in both methanolic calibration solutions and in sediment(More)
This thesis presents fast and practical methods for generating randomly distributed pairs of the form (x, gX mod p) or (x, xe mod N), using precomputation. These generation schemes are of wide applicability for speeding-up public key systems that depend on exponentiation and offer a smooth memory-speed trade-off. The steps involving exponentiation in these(More)
Toxicity (extreme weakness, body temperature drop, cyanosis, some slow deaths) in test mice, upon intraperitoneal injection of standard-method paralytic shellfish poison (PSP) extracts of some PSP-free oysters, is consistent with the relatively high levels of zinc in these extracts. As a rough guideline, the threshold for a toxic response corresponds to a(More)
Copper was determined in environmental matrices following generation, separation, and atomization of a volatile species formed by the merging of an acidified sample solution with an aqueous sodium tetrahydroborate solution at room temperature. The copper species, as yet unidentified, was phase separated in a conventional gas-liquid separator and directed(More)