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Tue, 12 Mar 2024 18:36:34 GMT Received: from smtprelay07.wdc07v.mail.ibm.com ([172.16.1.74]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 3ws23t94ch-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 12 Mar 2024 18:36:33 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay07.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 42CIaVmi44171582 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Mar 2024 18:36:33 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 76B5858056; Tue, 12 Mar 2024 18:36:29 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8709858055; Tue, 12 Mar 2024 18:36:28 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Tue, 12 Mar 2024 18:36:28 +0000 (GMT) From: Stefan Berger To: keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, herbert@gondor.apana.org.au, davem@davemloft.net Cc: linux-kernel@vger.kernel.org, saulo.alessandre@tse.jus.br, lukas@wunner.de, bbhushan2@marvell.com, jarkko@kernel.org, Stefan Berger Subject: [PATCH v6 08/13] crypto: ecc - Add NIST P521 curve parameters Date: Tue, 12 Mar 2024 14:36:13 -0400 Message-ID: <20240312183618.1211745-9-stefanb@linux.vnet.ibm.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240312183618.1211745-1-stefanb@linux.vnet.ibm.com> References: <20240312183618.1211745-1-stefanb@linux.vnet.ibm.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: -U7Drbih3zmLhDQOuvenM0m4sRqrNz29 X-Proofpoint-ORIG-GUID: -U7Drbih3zmLhDQOuvenM0m4sRqrNz29 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-12_11,2024-03-12_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxscore=0 clxscore=1015 malwarescore=0 mlxlogscore=999 spamscore=0 impostorscore=0 suspectscore=0 phishscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2403120139 From: Stefan Berger Add the parameters for the NIST P521 curve and define a new curve ID for it. Make the curve available in ecc_get_curve. Signed-off-by: Stefan Berger Tested-by: Lukas Wunner Reviewed-by: Jarkko Sakkinen --- crypto/ecc.c | 2 ++ crypto/ecc_curve_defs.h | 45 +++++++++++++++++++++++++++++++++++++++++ include/crypto/ecdh.h | 1 + 3 files changed, 48 insertions(+) diff --git a/crypto/ecc.c b/crypto/ecc.c index ead40b5ebb46..4f6fa8617308 100644 --- a/crypto/ecc.c +++ b/crypto/ecc.c @@ -60,6 +60,8 @@ const struct ecc_curve *ecc_get_curve(unsigned int curve_id) return &nist_p256; case ECC_CURVE_NIST_P384: return &nist_p384; + case ECC_CURVE_NIST_P521: + return &nist_p521; default: return NULL; } diff --git a/crypto/ecc_curve_defs.h b/crypto/ecc_curve_defs.h index ab1ef3d94be5..0ecade7d02f5 100644 --- a/crypto/ecc_curve_defs.h +++ b/crypto/ecc_curve_defs.h @@ -89,6 +89,51 @@ static struct ecc_curve nist_p384 = { .b = nist_p384_b }; +/* NIST P-521 */ +static u64 nist_p521_g_x[] = { 0xf97e7e31c2e5bd66ull, 0x3348b3c1856a429bull, + 0xfe1dc127a2ffa8deull, 0xa14b5e77efe75928ull, + 0xf828af606b4d3dbaull, 0x9c648139053fb521ull, + 0x9e3ecb662395b442ull, 0x858e06b70404e9cdull, + 0xc6ull }; +static u64 nist_p521_g_y[] = { 0x88be94769fd16650ull, 0x353c7086a272c240ull, + 0xc550b9013fad0761ull, 0x97ee72995ef42640ull, + 0x17afbd17273e662cull, 0x98f54449579b4468ull, + 0x5c8a5fb42c7d1bd9ull, 0x39296a789a3bc004ull, + 0x118ull }; +static u64 nist_p521_p[] = { 0xffffffffffffffffull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0x1ffull }; +static u64 nist_p521_n[] = { 0xbb6fb71e91386409ull, 0x3bb5c9b8899c47aeull, + 0x7fcc0148f709a5d0ull, 0x51868783bf2f966bull, + 0xfffffffffffffffaull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0x1ffull }; +static u64 nist_p521_a[] = { 0xfffffffffffffffcull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0xffffffffffffffffull, 0xffffffffffffffffull, + 0x1ffull }; +static u64 nist_p521_b[] = { 0xef451fd46b503f00ull, 0x3573df883d2c34f1ull, + 0x1652c0bd3bb1bf07ull, 0x56193951ec7e937bull, + 0xb8b489918ef109e1ull, 0xa2da725b99b315f3ull, + 0x929a21a0b68540eeull, 0x953eb9618e1c9a1full, + 0x051ull }; +static struct ecc_curve nist_p521 = { + .name = "nist_521", + .nbits = 521, + .g = { + .x = nist_p521_g_x, + .y = nist_p521_g_y, + .ndigits = 9, + }, + .p = nist_p521_p, + .n = nist_p521_n, + .a = nist_p521_a, + .b = nist_p521_b +}; + /* curve25519 */ static u64 curve25519_g_x[] = { 0x0000000000000009, 0x0000000000000000, 0x0000000000000000, 0x0000000000000000 }; diff --git a/include/crypto/ecdh.h b/include/crypto/ecdh.h index a9f98078d29c..9784ecdd2fb4 100644 --- a/include/crypto/ecdh.h +++ b/include/crypto/ecdh.h @@ -26,6 +26,7 @@ #define ECC_CURVE_NIST_P192 0x0001 #define ECC_CURVE_NIST_P256 0x0002 #define ECC_CURVE_NIST_P384 0x0003 +#define ECC_CURVE_NIST_P521 0x0004 /** * struct ecdh - define an ECDH private key