An Architecture for Secure Generation and Verification of Electronic ...

3 downloads 115939 Views 198KB Size Report
the offer is fixed and known in advance to the cus- tomer. .... pering is usually solved by using digital signatures .... verifying the manufacturer's digital signature.
 

   !"#$%&'( !)*+ , !"- .0/  , !213 45"6 78:9*8:?A@ BC8:?A;,=DFEHGAGI8:= JKEMLN8:OQPK@R8:?TS"8:= UK8NG SV8:?WDYX[Z8:\E ]_^:`TaNb[c[dfe-gKha:`cidfea:jlkMm:aNnoepgrq a:sut-a:`ov wVkxq yMk{z|g}y{~oNg €IV‚€ q ƒ:k{a…„‡†onl†Aa:`I~ob‰ˆŠa‹zly Œ5Ž’‘”“[•l

× Ø”ÙÚlÛ¦Ü+ÝÞß:Ú¦à{Ü Ù

¯™¦– «±Ÿ—’°:—’˜NžT§V™_užT——”š|®ŸšN«±®(›,—”§Vš