From 782a9ec4462bf73944d78d2b49ce4cd53b6ea1c8 Mon Sep 17 00:00:00 2001 From: Jiewen Yao Date: Thu, 26 Oct 2023 10:25:51 +0800 Subject: [PATCH] Update readme to include more spec info. Signed-off-by: Jiewen Yao --- readme.md | 32 +++++++++++++++++++++++++------- 1 file changed, 25 insertions(+), 7 deletions(-) diff --git a/readme.md b/readme.md index 252b322e..cac7b82e 100644 --- a/readme.md +++ b/readme.md @@ -5,7 +5,7 @@ # rust-spdm -This project provides a Rust language implementation of [SPDM](https://www.dmtf.org/sites/default/files/standards/documents/DSP0274_1.2.1.pdf) +This project provides a Rust language implementation of [SPDM](https://www.dmtf.org/standards/spdm), [IDE_KM](https://pcisig.com/integrity-and-data-encryption-ide-ecn-%E2%80%93-revision) and [TDISP](https://pcisig.com/tee-device-interface-security-protocol-tdisp). These protocols are used to facilitate direct device assignment for Trusted Execution Environment I/O (TEE-I/O) in Confidential Computing. @@ -20,25 +20,43 @@ performance. ### Specification -DSP0274 Security Protocol and Data Model (SPDM) Specification (version 1.0.1, version 1.1.2 and version 1.2.1) +DMTF [DSP0274](https://www.dmtf.org/dsp/DSP0274) Security Protocol and Data Model (SPDM) Specification (version [1.2.2](https://www.dmtf.org/sites/default/files/standards/documents/DSP0274_1.2.2.pdf)) -DSP0277 Secured Messages using SPDM Specification (version 1.1.0) +DMTF [DSP0277](https://www.dmtf.org/dsp/DSP0277) Secured Messages using SPDM Specification (version [1.1.1](https://www.dmtf.org/sites/default/files/standards/documents/DSP0277_1.1.1.pdf)) -### Implemented Requests and Responses +PCIe Base Specification Version [6.0.1](https://members.pcisig.com/wg/PCI-SIG/document/18363), [6.1](https://members.pcisig.com/wg/PCI-SIG/document/19849) + +PCIe [DOE 1.0 ECN](https://members.pcisig.com/wg/PCI-SIG/document/14143) in PCIe 6.0, [DOE 1.1 ECN](https://members.pcisig.com/wg/PCI-SIG/document/18483) in PCIe 6.1. + +PCIe [CMA 1.0 ECN](https://members.pcisig.com/wg/PCI-SIG/document/14236) in PCIe 6.0, [CMA 1.1 ECN](https://members.pcisig.com/wg/PCI-SIG/document/20110) in PCIe TBD. + +PCIe [IDE ECN](https://members.pcisig.com/wg/PCI-SIG/document/16599) in PCIe 6.0. + +PCIe [TDISP ECN](https://members.pcisig.com/wg/PCI-SIG/document/18268) in PCIe 6.1. + +### SPDM Implemented Requests and Responses SPDM 1.0: GET_VERSION, GET_CAPABILITIES, NEGOTIATE_ALGORITHMS, GET_DIGESTS, GET_CERTIFICATE, CHALLENGE, and GET_MEASUREMENTS. SPDM 1.1: KEY_EXCHANGE, FINISH, PSK_EXCHANGE, PSK_FINISH, END_SESSION, HEARTBEAT, KEY_UPDATE messages. -SPDM 1.2: N/A. New SPDM 1.2 messages are not supported yet. +SPDM 1.2: Support 1.0/1.1 messages and new format. New SPDM 1.2 messages are not supported yet. + +SPDM 1.3: Not support yet. + +### SPDM Vendor Defined Message + +IDE_KM 1.0 in PCIe 6.0/6.1. + +TDISP 1.0 in PCIe 6.1. -### Capability Support +### SPDM Capability Support Requester: ENCRYPT_CAP, MAC_CAP, KEY_EX_CAP, PSK_CAP, HBEAT_CAP, KEY_UPD_CAP, HANDSHAKE_IN_THE_CLEAR_CAP. Responder: CERT_CAP, CHAL_CAP, MEAS_CAP_NO_SIG, MEAS_CAP_SIG, MEAS_FRESH_CAP, ENCRYPT_CAP, MAC_CAP, KEY_EX_CAP, PSK_CAP_WITHOUT_CONTEXT, PSK_CAP_WITH_CONTEXT, HBEAT_CAP, KEY_UPD_CAP, HANDSHAKE_IN_THE_CLEAR_CAP. -### Cryptographic Algorithm Support +### SPDM Cryptographic Algorithm Support It depends on crypto wrapper. Current support algorithms: * Hash: SHA2(256/384/512)