linux-kernel - [RFC 0/8] PGP key parser using SandBox Mode

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Message-Id: <20240216152435.1575-1-petrtesarik@huaweicloud.com>
Date: Fri, 16 Feb 2024 16:24:27 +0100
From: Petr Tesarik <petrtesarik@...weicloud.com>
To: Dave Hansen <dave.hansen@...el.com>
Cc: Petr Tesařík <petr@...arici.cz>,
	Petr Tesarik <petrtesarik@...weicloud.com>,
	Jonathan Corbet <corbet@....net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andy Lutomirski <luto@...nel.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Xin Li <xin3.li@...el.com>,
	Arnd Bergmann <arnd@...db.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rick Edgecombe <rick.p.edgecombe@...el.com>,
	Kees Cook <keescook@...omium.org>,
	"Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
	Pengfei Xu <pengfei.xu@...el.com>,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Ze Gao <zegao2021@...il.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Kai Huang <kai.huang@...el.com>,
	David Woodhouse <dwmw@...zon.co.uk>,
	Brian Gerst <brgerst@...il.com>,
	Jason Gunthorpe <jgg@...pe.ca>,
	Joerg Roedel <jroedel@...e.de>,
	"Mike Rapoport (IBM)" <rppt@...nel.org>,
	Tina Zhang <tina.zhang@...el.com>,
	Jacob Pan <jacob.jun.pan@...ux.intel.com>,
	"open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>,
	Roberto Sassu <roberto.sassu@...weicloud.com>,
	David Howells <dhowells@...hat.com>,
	Petr Tesarik <petr.tesarik1@...wei-partners.com>
Subject: [RFC 0/8] PGP key parser using SandBox Mode

From: Petr Tesarik <petr.tesarik1@...wei-partners.com>

While I started working on my development branch to illustrate how
SandBox Mode could be enhanced to allow dynamic memory allocation and
other features necessary to convert some existing code, my colleague
Roberto Sassu set out and adapted a PGP key parser to run in a sandbox.

Disclaimer:

The code had to be rearranged in order to avoid memory allocations
and crypto operations in the sandbox. The code might contain errors.

David Howells (4):
  PGPLIB: PGP definitions (RFC 4880)
  PGPLIB: Basic packet parser
  PGPLIB: Signature parser
  KEYS: PGP data parser

Roberto Sassu (4):
  mpi: Introduce mpi_key_length()
  rsa: add parser of raw format
  KEYS: Run PGP key parser in a sandbox
  KEYS: Add intentional fault injection

 crypto/asymmetric_keys/Kconfig          |  17 +
 crypto/asymmetric_keys/Makefile         |  20 +
 crypto/asymmetric_keys/pgp.h            | 206 +++++++++
 crypto/asymmetric_keys/pgp_library.c    | 556 ++++++++++++++++++++++++
 crypto/asymmetric_keys/pgp_parser.h     |  18 +
 crypto/asymmetric_keys/pgp_public_key.c | 441 +++++++++++++++++++
 crypto/asymmetric_keys/pgplib.h         |  58 +++
 crypto/rsa.c                            |  14 +-
 crypto/rsa_helper.c                     |  69 +++
 include/crypto/internal/rsa.h           |   6 +
 include/linux/mpi.h                     |   2 +
 lib/crypto/mpi/mpicoder.c               |  33 +-
 12 files changed, 1429 insertions(+), 11 deletions(-)
 create mode 100644 crypto/asymmetric_keys/pgp.h
 create mode 100644 crypto/asymmetric_keys/pgp_library.c
 create mode 100644 crypto/asymmetric_keys/pgp_parser.h
 create mode 100644 crypto/asymmetric_keys/pgp_public_key.c
 create mode 100644 crypto/asymmetric_keys/pgplib.h

-- 
2.34.1