[Microchip TA-100] Fix port + update to cryptoauthlib v3.6.0 by danielinux · Pull Request #9702 · wolfSSL/wolfssl

danielinux · 2026-01-22T17:00:16Z

Description

Rework of TA-100 support to match cryptoauthlib v3.6.0's API. AES-GCM now working.

Fixes zd#20640

Testing

Used wolfDemo board (STM32U585) + TA100 mikrobus module.

Test log (with verbose TA-100 interactions) attached.

test_12a16e6cc.log

Copilot

Pull request overview

Copilot reviewed 19 out of 19 changed files in this pull request and generated 11 comments.

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wolfcrypt/src/port/atmel/atmel.c

wolfcrypt/src/signature.c

tests/api.c

wolfcrypt/src/port/atmel/atmel.c

wolfcrypt/src/rsa.c

wolfssl/wolfcrypt/rsa.h

wolfcrypt/test/test.c

wolfcrypt/benchmark/benchmark.c

wolfcrypt/src/port/atmel/atmel.c

dgarske · 2026-02-12T05:49:47Z

Jenkins retest this please.

configure.ac

dgarske · 2026-02-19T21:16:56Z

Jenkins retest this please

dgarske · 2026-02-20T00:15:16Z

@danielinux Please rebase and squash this. Hopefully that will resolve things.

dgarske · 2026-03-04T19:57:59Z

@tmael can you please help get this PR rebased, merge conflicts resolved and ready for merge? This work has been lingering for way too long.

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wolfcrypt/test/test.c

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dgarske · 2026-03-19T19:32:02Z

Jenkins retest this please

dgarske · 2026-03-19T21:19:39Z

@tmael please change build errors. Might just need to rebase and force push.

wolfssl/wolfcrypt/rsa.h

wolfcrypt/test/test.c

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- Using correct slot ID for AES keys - Adjust IV length - Fallback operations to software for unsupported ECC curves (all tests passing)

ECC384 should be supported in TA-100

…e AS_IF to conditionally run the manual search fallback

…kg.m4 is unavailable

…#ifndef WOLFSSL_MICROCHIP_TA100

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dgarske

Unrecognized macros used (new macros not registered in .wolfssl_known_macro_extras):

ATCA_HAL_I2C
ATCA_TFLEX_SUPPORT
ATECC_DEV_TYPE
TA100_ECC_TRACE
WOLFSSL_MANUALLY_SELECT_DEVICE_CONFIG
WOLFSSL_MICROCHIP_AESGCM
WOLFSSL_NO_DEL_HANDLE

Fix: Update .wolfssl_known_macro_extras in the PR branch:

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danielinux self-assigned this Jan 22, 2026

danielinux force-pushed the ta100_2025 branch 2 times, most recently from 03c4ab8 to 199c152 Compare February 10, 2026 12:54

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danielinux assigned wolfSSL-Bot and unassigned danielinux Feb 10, 2026

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danielinux force-pushed the ta100_2025 branch from f6c5f77 to 81086ff Compare February 19, 2026 08:24

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danielinux force-pushed the ta100_2025 branch from 81086ff to 36b0e21 Compare February 20, 2026 19:30

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dgarske added the For This Release Release version 5.9.0 label Mar 6, 2026

dgarske previously approved these changes Mar 6, 2026

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tmael and others added 13 commits March 20, 2026 08:40

TA100: Microchip Trust Anchor support RSA/ECC

eca7215

TA100: follow-up changes (squash after 4e64cb5)

23442c6

[TA-100] Fixed GMAC, AES-GCM, AES, ECC

56f50cd

- Using correct slot ID for AES keys - Adjust IV length - Fallback operations to software for unsupported ECC curves (all tests passing)

Reverted changes to fallback ECC

e5362a3

ECC384 should be supported in TA-100

[TA-100] Fixed ECC384. Adding RSA.

e4769ad

[TA-100] Fixed RSA keygen/sign/verify, tests

db256d5

Close PKG_CHECK_MODULES with a no-op failure action and use a separat…

638ba7a

…e AS_IF to conditionally run the manual search fallback

[TA-100] Fix build/test regressions in non-TA100 builds

358e7cb

wraps PKG_CHECK_MODULES with m4_ifdef so it's silently skipped when p…

4340b11

…kg.m4 is unavailable

Removed the dead #ifdef WOLFSSL_MICROCHIP_TA100 block (it was inside …

01ece49

…#ifndef WOLFSSL_MICROCHIP_TA100

Fix formatting

5bedbff

Fix comments and shellcheck warning

1ad2b5f

Fix typo

18eb397

tmael force-pushed the ta100_2025 branch from b61009a to 18eb397 Compare March 20, 2026 15:41

Correct Nested comment for Espressif build

3ed2aa2

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danielinux commented Jan 22, 2026

Description

Testing

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Pull request overview

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dgarske commented Feb 12, 2026

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dgarske commented Mar 19, 2026

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