From patchwork Tue May 28 03:51:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jarkko Sakkinen X-Patchwork-Id: 13676070 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E80C17E8E4; Tue, 28 May 2024 03:51:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716868305; cv=none; b=RyMSzroET6fzmTcA/V4XATst7ojoB+XlrtQ1cr1xHsvnZux/4u9QtoohmG72XgIJm2s0qkLDc7V//lBSvjXzthdzKRC4TQMiL3W8AUQzsgzMod2iGHmfpVMaS2qdnw0VLyfM/cu80Eo5oGBkYMxD8q11HAH4puUzQGeKU6W+XtI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716868305; c=relaxed/simple; bh=+iPQMa+6kqA2ZUh+VMv82Bt86ZQQJcbmF1UL0D12zgU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=FkO1wzhnIOdMWOIj9uhnXnR85bcABIIwyyC7FNkeSmMKk3uSoPCt8SQdgeOVCtUHL4/HbCq/u6Ao3/8TSetua3wEhHBlW8reHrq+2PkGx+H/3zHqRMOey9S8G+w/HXuLqTZs4B0kGKAVB2x9RkUwgLd9UKQlw2G+t96L4/xv6+k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OwEjQoXw; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OwEjQoXw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 75B02C32782; Tue, 28 May 2024 03:51:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1716868305; bh=+iPQMa+6kqA2ZUh+VMv82Bt86ZQQJcbmF1UL0D12zgU=; h=From:To:Cc:Subject:Date:From; b=OwEjQoXw8tUNKXnC6ZHQXCqX15EaRAtYAcoyxmOHwE+25AQxtLCGQ/b2GmgrUPG29 C48jRJw3bNve++wTLpFcP56mLnhBAxHp30Zaq7dben+j9+x/WGHSDRRImd4lOpk/CZ kDHnOpkzjbFubaLMTAxQEUDjaHdwx9vJ64mVcx8N+NRJmee93eveQJ2jkm0MI2Nykb +++vmfkmJpuyTjjy2RjIP290suV7aY7UMaB9aWOFH+DzQTcitQkam8jD4lM6cO0X2L c4BPb+ba+MEiRWD+Xyzyxk7y5SLk/ETzu0xIRaneb4Dr4Do4XgmP4nqHKOcAlsf+rH HsMhf1/mwMNuQ== From: Jarkko Sakkinen To: Herbert Xu Cc: linux-integrity@vger.kernel.org, keyrings@vger.kernel.org, Andreas.Fuchs@infineon.com, James Prestwood , David Woodhouse , Eric Biggers , James Bottomley , linux-crypto@vger.kernel.org, Stefan Berger , Jarkko Sakkinen , "David S. Miller" , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v6 0/6] KEYS: asymmetric: tpm2_key_{rsa,ecdsa} Date: Tue, 28 May 2024 06:51:15 +0300 Message-ID: <20240528035136.11464-1-jarkko@kernel.org> X-Mailer: git-send-email 2.45.1 Precedence: bulk X-Mailing-List: keyrings@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Testing ======= RSA --- tpm2_createprimary --hierarchy o -G rsa2048 -c owner.txt tpm2_evictcontrol -c owner.txt 0x81000001 tpm2_getcap handles-persistent openssl genrsa -out private.pem 2048 tpm2_import -C 0x81000001 -G rsa -i private.pem -u key.pub -r key.priv tpm2_encodeobject -C 0x81000001 -u key.pub -r key.priv -o key.priv.pem openssl asn1parse -inform pem -in key.priv.pem -noout -out key.priv.der serial=`cat key.priv.der | keyctl padd asymmetric tpm @u` echo "abcdefg" > plaintext.txt keyctl pkey_encrypt $serial 0 plaintext.txt enc=pkcs1 > encrypted.dat keyctl pkey_decrypt $serial 0 encrypted.dat enc=pkcs1 > decrypted.dat keyctl pkey_sign $serial 0 plaintext.txt enc=pkcs1 hash=sha256 > signed.dat keyctl pkey_verify $serial 0 plaintext.txt signed.dat enc=pkcs1 hash=sha256 ECDSA ----- tpm2_createprimary --hierarchy o -G ecc -c owner.txt tpm2_evictcontrol -c owner.txt 0x81000001 openssl ecparam -name prime256v1 -genkey -noout -out private.pem tpm2_import -C 0x81000001 -G ecc -i private.pem -u key.pub -r key.priv tpm2_encodeobject -C 0x81000001 -u key.pub -r key.priv -o key.priv.pem openssl asn1parse -inform pem -in key.priv.pem -noout -out key.priv.der serial=`cat key.priv.der | keyctl padd asymmetric tpm @u` echo "abcdefg" > plaintext.txt keyctl pkey_sign $serial 0 plaintext.txt hash=sha256 > signed.dat keyctl pkey_verify $serial 0 plaintext.txt signed.dat hash=sha256 Open Issues =========== * When verifying ECDSA signature, _ecdsa_verify() returns -EKEYREJECTED. References ========== * v5: https://lore.kernel.org/linux-integrity/20240523212515.4875-1-jarkko@kernel.org/ * v4: https://lore.kernel.org/linux-integrity/20240522005252.17841-1-jarkko@kernel.org/ * v3: https://lore.kernel.org/linux-integrity/20240521152659.26438-1-jarkko@kernel.org/ * v2: https://lore.kernel.org/linux-integrity/336755.1716327854@warthog.procyon.org.uk/ * v1: https://lore.kernel.org/linux-integrity/20240520184727.22038-1-jarkko@kernel.org/ * Derived from https://lore.kernel.org/all/20200518172704.29608-1-prestwoj@gmail.com/ Jarkko Sakkinen (6): tpm: Open code tpm_buf_parameters() crypto: rsa-pkcs1pad: export rsa1_asn_lookup() KEYS: trusted: Change -EINVAL to -E2BIG crypto: tpm2_key: Introduce a TPM2 key type keys: asymmetric: Add tpm2_key_rsa keys: asymmetric: Add tpm2_key_ecdsa crypto/Kconfig | 7 + crypto/Makefile | 6 + crypto/asymmetric_keys/Kconfig | 30 + crypto/asymmetric_keys/Makefile | 2 + crypto/asymmetric_keys/tpm2_key_ecdsa.c | 441 ++++++++++++++ crypto/asymmetric_keys/tpm2_key_rsa.c | 678 ++++++++++++++++++++++ crypto/ecdsa.c | 1 - crypto/rsa-pkcs1pad.c | 16 +- crypto/tpm2_key.asn1 | 11 + crypto/tpm2_key.c | 134 +++++ drivers/char/tpm/tpm-buf.c | 26 - drivers/char/tpm/tpm2-cmd.c | 10 +- include/crypto/rsa-pkcs1pad.h | 20 + include/crypto/tpm2_key.h | 46 ++ include/linux/tpm.h | 10 +- security/keys/trusted-keys/Kconfig | 2 +- security/keys/trusted-keys/Makefile | 2 - security/keys/trusted-keys/tpm2key.asn1 | 11 - security/keys/trusted-keys/trusted_tpm2.c | 141 +---- 19 files changed, 1433 insertions(+), 161 deletions(-) create mode 100644 crypto/asymmetric_keys/tpm2_key_ecdsa.c create mode 100644 crypto/asymmetric_keys/tpm2_key_rsa.c create mode 100644 crypto/tpm2_key.asn1 create mode 100644 crypto/tpm2_key.c create mode 100644 include/crypto/rsa-pkcs1pad.h create mode 100644 include/crypto/tpm2_key.h delete mode 100644 security/keys/trusted-keys/tpm2key.asn1