ARQC

AcronymDefinition
ARQCAuthorisation Request Cryptogram
References in periodicals archive ?
If Req = ARQC, the transaction is going online; if Req = TC, the transaction is going offline.
If Req = ARQC, the reader sends the EMV-required messages Req, [Data.sub.cdol1],ATC, [R.sub.m], and AC1 to the issuing bank for online transaction.
Variable name Length [Data.sub.emv] [L.sub.r] + 67 ATC 2 [Cert.sup.iss.sub.emv], [Cert.sup.acq.sub.m] [L.sub.r] r +42 [Cert.sup.fca.sub.iss], [Cert.sup.fca.sub.acq] [L.sub.r] + 36 Type 20 [R.sub.p], [R.sub.m] 4 Req, TC, ARQC, AAC, OCRC 1 SDAD [L.sub.r] ACK 1 AIP + AFL 38 ARC 2 [Data.sub.cdol1] 45 [Data.sub.cdol2] 8 AC1, AC2 8 [Cert.sup.iss.sub.emv_off] [L.sub.r] + 42 [auth.sub.p], [auth.sub.m] [L.sub.r] [S.sub.p], [S.sub.mas] 48 PDOL 34 TABLE 3: Storage requirements of phone (bytes).