JASPAR Specification Settings
This section explains, for each security profile item in the JASPAR specification, the acceptable range defined by JASPAR and the configurable range supported by this plugin.
| Item | JASPAR Spec | Supported by This Plugin | Configurable Range / Notes |
|---|---|---|---|
| MAC extraction bit length | 0 to 128 | 1 to 128 | Set in Truncated MAC Position on the Ch Setting tab in Security Setting.Messages without authenticator are not supported by this plugin. |
| FV extraction bit length | 0 to 16 | 0 to 32 | Set in Truncated FV Position on the Ch Setting tab in Security Setting.If set to 0 bits, FV is not used; clear FV Used on the same tab.You cannot set bit length to 0 while FV Used is enabled. |
| Message ID bit length | 16, 32 | 16, 32 | Set by Length of Message ID on the Ch Setting tab in Security Setting.Set 16 for standard ID and 32 for extended ID. |
| Trip counter bit length | 0 to 24 | 1 to 32 | Set in the Element Setting dialog of Message ID on the Ch Setting tab (TripCnt).Current version does not allow 0 bit length. |
| Reset counter bit length | 0 to 24 | 1 to 32 | Set in the Element Setting dialog of Message ID on the Ch Setting tab (ResetCnt).Current version does not allow 0 bit length. |
| Message counter bit length | 0 to 16 | 1 to 32 | Set in the Element Setting dialog of Message ID on the Ch Setting tab (MsgCnt).Current version does not allow 0 bit length. |
| Reset flag bit length | 0 to 2 | 1, 2 | Set in the Element Setting dialog of Message ID on the Ch Setting tab (ResetFlag).If set to 1, verification is performed only when reset counter is latest or latest - 1 (same for repeated attempts). |
| Trip counter cyclic transmit period (ms) | 65535 or less | 10 to 65535 | Set by Cycle in Target Frame Info on the ID Setting tab in Security Setting. |
| Reset counter cyclic transmit period (ms) | 65535 or less | 10 to 65535 | Set by Cycle in Target Frame Info on the ID Setting tab in Security Setting. |
| Reset counter increment period (ms) | 65535 or less | Not configurable (unsupported) | Reset counter is updated only by synchronization messages. |
| MAC verification max retry count | 0 to 3 | 1 to 255 | Set by MAC Verify Attempts on the Ch Setting tab in Security Setting.If max retry count is 0, verification is disabled; clear Use Message Authentification on the same tab. |
| MAC verification start offset from monitor start (ms) | 0 to 65535 | Not configurable (fixed to 0) | MAC verification starts at the same time as monitor start. |
| Trip counter reset allowance at maximum value | 1 to 16 | Not configurable (unsupported) | No synchronization is performed when trip counter reaches maximum. |