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feat(esp_tee): Add some required fields in the attestation token

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- Chip ID from the ROM
- Device MAC address from eFuse BLK1
- Device Optional Unique ID from eFuse BLK2
This commit is contained in:
Laukik Hase
2026-05-05 16:32:41 +05:30
parent 2c99af12a0
commit a88716153b
6 changed files with 86 additions and 56 deletions
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9
examples/security/tee/tee_attestation/README.md
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@@ -28,7 +28,12 @@
"eat": {
"nonce": -1582119980,
"client_id": 262974944,
"chip_id": 13,
"device_ver": 1,
"ueid": {
"mac": "d885ac67c978",
"optional_id": "94fa4d7e305682714d48e7bbd710c961"
},
"device_id": "e8cddb2a7f9a5a7c61735d6dda26e4bd153c6d772a9be6f26bd321dfe25e0ac8",
"instance_id": "1adba85e0df997fd961f25a9e312430cef162b5c69466cd5b172f1e65ac7360c",
"psa_cert_ref": "0716053550477-10100",
@@ -127,9 +132,9 @@ See the Getting Started Guide for full steps to configure and use ESP-IDF to bui
```log
I (438) example_tee_attest: TEE Attestation Service
I (1008) example_tee_attest: Attestation token - Length: 1538
I (1008) example_tee_attest: Attestation token - Length: 1705
I (1018) example_tee_attest: Attestation token - Data:
'{"header":{"magic":"44fef7cc","encr_alg":"","sign_alg":"ecdsa_secp256r1_sha256","key_id":"tee_att_key0"},"eat":{"nonce":-1582119980,"client_id":262974944,"device_ver":1,"device_id":"4ecc458ef4290329552b4dcdccb99d55e5ea7624f24c87b27b71515e1666f39c","instance_id":"66571b78918f4bb7ae2723f235a9e4fe1c7070ae6261ce5df7049b44b1f8a318","psa_cert_ref":"0716053550477-10100","device_status":165,"sw_claims":{"tee":{"type":1,"ver":"1.0.0","idf_ver":"v5.5-dev-2978-gd75a0105dac-dirt","secure_ver":0,"part_chip_rev":{"min":0,"max":99},"part_digest":{"type":0,"calc_digest":"5213904fd8ca7538776bdf372c08c13138f20b2fac3503bc878f19c6e36a710d","digest_validated":true,"sign_verified":false,"secure_padding":false}},"app":{"type":2,"ver":"v0.1.0","idf_ver":"v5.5-dev-2978-gd75a0105dac-dirt","secure_ver":0,"part_chip_rev":{"min":0,"max":99},"part_digest":{"type":0,"calc_digest":"65c905fc0fc135fdfa8def210d1c186627cb3a17ecb2e7f020b56411b2d2fc76","digest_validated":true,"sign_verified":false,"secure_padding":false}},"bootloader":{"type":0,"ver":"01000000","idf_ver":"v5.5-dev-2978-gd75a0105dac-dirt","secure_ver":0,"part_chip_rev":{"min":0,"max":99},"part_digest":{"type":0,"calc_digest":"9efd37d29266f3239f7c6a095df880f1e85e41505f154cfd3bbfad4b8a2b18dd","digest_validated":true,"sign_verified":false}}}},"public_key":{"compressed":"02ce0188c61b0118c86ca20af7e01185dd687c6698b2265a288fee845d083e9066"},"sign":{"r":"362e2053bab26c779559793b2eae89e96c1a058e5fffc49d544d07b934ce3b32","s":"fc5f0e4d329fc6e031cbf425ef62d4756b728392b2a77282baa1f15b554d2716"}}'
'{"header":{"magic":"44fef7cc","encr_alg":"","sign_alg":"ecdsa_secp256r1_sha256","key_id":"tee_att_key0"},"eat":{"nonce":-1582119980,"client_id":262974944,"chip_id":13,"device_ver":1,"ueid":{"mac":"d885ac67c978","optional_id":"94fa4d7e305682714d48e7bbd710c961"},"device_id":"4ecc458ef4290329552b4dcdccb99d55e5ea7624f24c87b27b71515e1666f39c","instance_id":"66571b78918f4bb7ae2723f235a9e4fe1c7070ae6261ce5df7049b44b1f8a318","psa_cert_ref":"0716053550477-10100","device_status":165,"sw_claims":{"tee":{"type":1,"ver":"1.0.0","idf_ver":"v5.5-dev-2978-gd75a0105dac-dirt","secure_ver":0,"part_chip_rev":{"min":0,"max":99},"part_digest":{"type":0,"calc_digest":"5213904fd8ca7538776bdf372c08c13138f20b2fac3503bc878f19c6e36a710d","digest_validated":true,"sign_verified":false,"secure_padding":false}},"app":{"type":2,"ver":"v0.1.0","idf_ver":"v5.5-dev-2978-gd75a0105dac-dirt","secure_ver":0,"part_chip_rev":{"min":0,"max":99},"part_digest":{"type":0,"calc_digest":"65c905fc0fc135fdfa8def210d1c186627cb3a17ecb2e7f020b56411b2d2fc76","digest_validated":true,"sign_verified":false,"secure_padding":false}},"bootloader":{"type":0,"ver":"01000000","idf_ver":"v5.5-dev-2978-gd75a0105dac-dirt","secure_ver":0,"part_chip_rev":{"min":0,"max":99},"part_digest":{"type":0,"calc_digest":"9efd37d29266f3239f7c6a095df880f1e85e41505f154cfd3bbfad4b8a2b18dd","digest_validated":true,"sign_verified":false}}}},"public_key":{"compressed":"02ce0188c61b0118c86ca20af7e01185dd687c6698b2265a288fee845d083e9066"},"sign":{"r":"362e2053bab26c779559793b2eae89e96c1a058e5fffc49d544d07b934ce3b32","s":"fc5f0e4d329fc6e031cbf425ef62d4756b728392b2a77282baa1f15b554d2716"}}'
I (1148) main_task: Returned from app_main()
```