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[doc] Add RF write enable glitch detection

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This resolves #1893.

Signed-off-by: Andreas Kurth <adk@lowrisc.org>
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Andreas Kurth 2022-11-03 08:42:16 +00:00 • committed by Andreas Kurth
parent 31cc8e0b5a
commit e5a6c9f38c
1 changed files with 7 additions and 0 deletions
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7
doc/03_reference/security.rst
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@ -83,6 +83,13 @@ When Ibex is configured with the SecureIbex parameter, ECC checking is added to
This can be useful to detect fault injection attacks since the register file covers a reasonably large area.
No attempt is made to correct detected errors, but an internal major alert is signaled for the system to take action.
Register file write enable glitch detection
-------------------------------------------
When Ibex is configured with the SecureIbex parameter, the write enable signal into the register file is checked to be one-hot.
This can be useful to detect fault injection attacks.
No attempt is made to correct detected errors, but an internal major alert is signaled for the system to take action.
ICache ECC
----------