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Tue, Jan 14

soby-mathew closed T418: Cryptocell Key Sizes as Resolved.

Closing the issue as the RSA Key size support has now been merged.

Tue, Jan 14, 11:52 AM · Trusted Firmware A
soby-mathew added a comment to T418: Cryptocell Key Sizes.

The TF-A now has support for RSA-3K in Cryptocell variant.
https://review.trustedfirmware.org/#/c/TF-A/trusted-firmware-a/+/2263/

Tue, Jan 14, 11:51 AM · Trusted Firmware A

Tue, Jan 7

soby-mathew closed T582: rk3399: rockchip_soc_system_off() and rockchip_soc_soft_reset() are broken if board doesn't have poweroff and reset GPIOs as Resolved.
Tue, Jan 7, 11:11 AM · Trusted Firmware A
soby-mathew added a comment to T632: End-of-interrupt (EOI) handling is missing for RAS interrupts.

HI Rickdic,
Could you please send this query to the TF-A mailing list ?

Tue, Jan 7, 11:10 AM · TF-A Question, Trusted Firmware A
soby-mathew closed T602: Memory corruption on back-to-back SEAs from lower ELs as Resolved.
Tue, Jan 7, 11:09 AM · Trusted Firmware A

Dec 2 2019

soby-mathew added a comment to T566: psci system shutdown and system reset to follow graceful shutdown sequence.

Hi Sandeep, could you please send a mail to the mailing list for this.

Dec 2 2019, 2:40 PM · Trusted Firmware A

Nov 26 2019

soby-mathew added a comment to T589: Insufficient ordering guarantees in bakery_lock_get() and bakery_lock_release() in bakery_lock_coherent.c.

Hi Raghu
At the face of it, there is an issue. Could I ask you to post this on the mailing list as I think this discussion may be of interest to wider community ?

Nov 26 2019, 11:54 AM · Trusted Firmware A

Oct 21 2019

soby-mathew closed T547: Correct UART PL011 initialization code as Resolved.
Oct 21 2019, 9:07 AM · Trusted Firmware A

Sep 5 2019

soby-mathew added a comment to T464: TF-A artifacts.

Hi vivina,
Are you thinking something similar to measured boot ?
The TF-A implements what is called verified boot. Found a good description for difference between verified and measured boot here:
https://forums.juniper.net/t5/Security/What-s-the-Difference-between-Secure-Boot-and-Measured-Boot/ba-p/281251

Sep 5 2019, 2:20 PM · TF-A Question, Trusted Firmware A

Jul 10 2019

soby-mathew added a comment to T418: Cryptocell Key Sizes.

Please email me at soby.mathew@arm.com

Jul 10 2019, 10:44 AM · Trusted Firmware A
soby-mathew added a comment to T418: Cryptocell Key Sizes.

Hi Neil
The Cryptocell variant supported by TF-A is CC-712 which only has support for RSA 2048.

Jul 10 2019, 9:30 AM · Trusted Firmware A

Jun 10 2019

soby-mathew added a member for Trusted Firmware-A Tests: soby-mathew.
Jun 10 2019, 3:37 PM
soby-mathew added a watcher for Trusted Firmware-A Tests: soby-mathew.
Jun 10 2019, 3:36 PM

May 28 2019

soby-mathew closed T334: Barrier in sprt_queue.c as Resolved.
May 28 2019, 1:17 PM · TF-A Question, Trusted Firmware A

May 21 2019

soby-mathew added a comment to T334: Barrier in sprt_queue.c.

Ah, You are right. Having taken a look at it again, yes, the SP-> SPM communication is register based and this spm_response_add() is invoked by SPM to push to a buffer within EL3 (its not a shared buffer between different ELs). I suspect the shared buffer primitives were written with shared buffer scenario in mind and the current prototype implementation does not optimize it for the case when the buffer is within EL3.

May 21 2019, 9:03 PM · TF-A Question, Trusted Firmware A
soby-mathew added a comment to T334: Barrier in sprt_queue.c.

Who is the lockless reader for spm_response_add() and spm_response_get()?

May 21 2019, 3:23 PM · TF-A Question, Trusted Firmware A

May 8 2019

soby-mathew assigned T334: Barrier in sprt_queue.c to pbeesley-arm.
May 8 2019, 9:50 AM · TF-A Question, Trusted Firmware A
soby-mathew assigned T335: Bug in rdmem_attr_to_mmap_attr in spm_xlat.c to pbeesley-arm.
May 8 2019, 9:49 AM · TF-A Bug, Trusted Firmware A
soby-mathew added a comment to T290: Example task/Issue 2.

Example comment 3

May 8 2019, 9:47 AM · TF-A General, Trusted Firmware A
soby-mathew changed the visibility for T335: Bug in rdmem_attr_to_mmap_attr in spm_xlat.c.
May 8 2019, 9:45 AM · TF-A Bug, Trusted Firmware A

Sep 28 2018

soby-mathew added a member for Trusted Firmware A: soby-mathew.
Sep 28 2018, 3:41 PM
soby-mathew added a watcher for Trusted Firmware A: soby-mathew.
Sep 28 2018, 3:40 PM