GSM 11.11 version 6.2.0 - TTFN Smart card pages
GSM 11.11 version 6.2.0 - TTFN Smart card pages
GSM 11.11 version 6.2.0 - TTFN Smart card pages
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(<strong>GSM</strong> <strong>11.11</strong> <strong>version</strong> <strong>6.2.0</strong> Release 1997)52TS 100 977 V<strong>6.2.0</strong> (1999-05)Byte 3:b8 b7 b6 b5 b4 b3 b2 b1etc.10.3.3 EF Kc (Ciphering key Kc)LSB of Digit 2::MSB of Digit 2LSB of Digit 3::MSB of Digit 3This EF contains the ciphering key Kc and the ciphering key sequence number n.Identifier: '6F20' Structure: transparent MandatoryFile size: 9 bytesUpdate activity: highAccess Conditions:READUPDATEINVALIDATEREHABILITATECHV1CHV1ADMADMBytes Description M/O Length1 - 8 Ciphering key Kc M 8 bytes9 Ciphering key sequence number n M 1 byte- Ciphering key KcCoding:The least significant bit of Kc is the least significant bit of the eighth byte. The most significant bit of Kc isthe most significant bit of the first byte.- Ciphering key sequence number nCoding:b8 b7 b6 b5 b4 b3 b2 b1nbits b4 to b8 are coded 0NOTE:<strong>GSM</strong> 04.08 [15] defines the value of n=111 as "key not available". Therefore the value '07' and not 'FF'should be present following the administrative phase.10.3.4 EF PLMNsel (PLMN selector)This EF contains the coding for n PLMNs, where n is at least eight. This information determined by the user/operatordefines the preferred PLMNs of the user in priority order.ETSI