From 8730762ac1286833e7a41a9b7bdfce641b0c143f Mon Sep 17 00:00:00 2001
From: Vishal Mhatre <38512878+mhatrevi@users.noreply.github.com>
Date: Fri, 3 Jan 2025 09:43:19 -0800
Subject: [PATCH] [doc] Updating ROM README for idevid cert attribute fuse
(#1871)
---
rom/dev/README.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/rom/dev/README.md b/rom/dev/README.md
index 7ba76d8de7..7c741f91ed 100644
--- a/rom/dev/README.md
+++ b/rom/dev/README.md
@@ -57,7 +57,7 @@ Following are the main FUSE & Architectural Registers used by the Caliptra ROM f
| FUSE_FMC_KEY_MANIFEST_SVN | 32 | FMC Security Version Number |
| FUSE_RUNTIME_SVN | 128 | Runtime Security Version Number |
| FUSE_ANTI_ROLLBACK_DISABLE | 1 | Disable SVN checking for FMC & Runtime when bit is set |
-| FUSE_IDEVID_CERT_ATTR | 768 | FUSE containing information for generating IDEVID CSR
**Word 0**: X509 Key Id Algorithm (2 bits) 1: SHA1, 2: SHA256, 2: SHA384, 3: Fuse
**Word 1,2,3,4,5**: Subject Key Id
**Words 7,8**: Unique Endpoint ID |
+| FUSE_IDEVID_CERT_ATTR | 768 | FUSE containing information for generating IDEVID CSR
**Word 0**: X509 Key Id Algorithm (2 bits) 1: SHA1, 2: SHA256, 2: SHA384, 3: Fuse
**Word 1,2,3,4,5**: Subject Key Id
**Word 6**: UEID type as defined in [IETF RATS specification](https://www.ietf.org/archive/id/draft-ietf-rats-eat-21.html#section-4.2.1.1)
**Words 7,8,9,10**: Manufacturer Serial Number |
| CPTRA_DBG_MANUF_SERVICE_REG | 16 | Manufacturing Services:
**Bit 0**: IDEVID CSR upload
**Bit 1**: Random Number Generator Unavailable
**Bit 15:8**: FIPS test hook code
**Bit 30**: Fake ROM enable in production lifecycle mode
**Bit 31**: Fake ROM image verify enable |
## Firmware image bundle