X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6a18e46fa6ab446f719111b54267d50956bcf0b0..a182a680b0f1f434b6fab67e1eba4a3db3b8a141:/client/cmdhflegic.c?ds=sidebyside diff --git a/client/cmdhflegic.c b/client/cmdhflegic.c index 0ef74534..3a520f6a 100644 --- a/client/cmdhflegic.c +++ b/client/cmdhflegic.c @@ -165,13 +165,12 @@ int CmdLegicDecode(const char *Cmd) { if ( hasWRC ) { PrintAndLog("WRC protected area: (I %d | K %d| WRC %d)", i, k, wrc); - - for ( k=i; k < wrc; k++) - data_buf[k] ^= crc; - - //is WRC / 8? - - // for ( k=i; k < wrc; k += 8) + + // de-xor? if not zero, assume it needs xoring. + if ( data_buf[i] > 0) { + for ( k=i; k < wrc; ++k) + data_buf[k] ^= crc; + } print_hex_break( data_buf+i, wrc, 16); i += wrc; @@ -182,34 +181,32 @@ int CmdLegicDecode(const char *Cmd) { // de-xor? if not zero, assume it needs xoring. if ( data_buf[i] > 0) { - for (k=i; k < wrp_len; k++) + for (k=i; k < wrp_len; ++k) data_buf[k] ^= crc; } - // for (k=i; k < wrp_len; k += 16) { - print_hex_break( data_buf+i, wrp_len, 16); - // } i += wrp_len; + // does this one work? if( wrp_len == 8 ) PrintAndLog("Card ID: %2X%02X%02X", data_buf[i-4]^crc, data_buf[i-3]^crc, data_buf[i-2]^crc); } - PrintAndLog("Remaining segment payload:"); + PrintAndLog("Remaining segment payload: (I %d | K %d | Remain LEN %d)", i, k, remain_seg_payload_len); if ( data_buf[i] > 0 ) { - for ( k=i; k < remain_seg_payload_len; k++) + for ( k=i; k < remain_seg_payload_len; ++k) data_buf[k] ^= crc; } - // for ( k=i; k < remain_seg_payload_len; k++) print_hex_break( data_buf+i, remain_seg_payload_len, 16); i += remain_seg_payload_len; printf("\n-------------------------------------\n"); + // end with last segment if (segment_flag & 0x8) return 0;