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Fri, 5 Mar 2021 21:00:02 GMT Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C7F97BE06A; Fri, 5 Mar 2021 21:00:02 +0000 (GMT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0B021BE075; Fri, 5 Mar 2021 21:00:02 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Fri, 5 Mar 2021 21:00:01 +0000 (GMT) From: Stefan Berger To: keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, davem@davemloft.net, herbert@gondor.apana.org.au, dhowells@redhat.com, zohar@linux.ibm.com, jarkko@kernel.org Cc: linux-kernel@vger.kernel.org, patrick@puiterwijk.org, linux-integrity@vger.kernel.org, Saulo Alessandre , Stefan Berger Subject: [PATCH v11 03/10] crypto: Add NIST P384 curve parameters Date: Fri, 5 Mar 2021 15:59:49 -0500 Message-Id: <20210305205956.3594375-4-stefanb@linux.vnet.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210305205956.3594375-1-stefanb@linux.vnet.ibm.com> References: <20210305205956.3594375-1-stefanb@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.761 definitions=2021-03-05_14:2021-03-03,2021-03-05 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 mlxscore=0 clxscore=1015 mlxlogscore=999 malwarescore=0 lowpriorityscore=0 bulkscore=0 suspectscore=0 impostorscore=0 adultscore=0 phishscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103050103 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Saulo Alessandre Add the parameters for the NIST P384 curve and define a new curve ID for it. Make the curve available in ecc_get_curve. Summary of changes: * crypto/ecc_curve_defs.h - add nist_p384 params * include/crypto/ecdh.h - add ECC_CURVE_NIST_P384 * crypto/ecc.c - change ecc_get_curve to accept nist_p384 Signed-off-by: Saulo Alessandre Tested-by: Stefan Berger Acked-by: Jarkko Sakkinen --- crypto/ecc.c | 2 ++ crypto/ecc_curve_defs.h | 32 ++++++++++++++++++++++++++++++++ include/crypto/ecdh.h | 1 + 3 files changed, 35 insertions(+) diff --git a/crypto/ecc.c b/crypto/ecc.c index 25e79fd70566..f6cef5a7942d 100644 --- a/crypto/ecc.c +++ b/crypto/ecc.c @@ -50,6 +50,8 @@ const struct ecc_curve *ecc_get_curve(unsigned int curve_id) return fips_enabled ? NULL : &nist_p192; case ECC_CURVE_NIST_P256: return &nist_p256; + case ECC_CURVE_NIST_P384: + return &nist_p384; default: return NULL; } diff --git a/crypto/ecc_curve_defs.h b/crypto/ecc_curve_defs.h index 69be6c7d228f..b327732f6ef5 100644 --- a/crypto/ecc_curve_defs.h +++ b/crypto/ecc_curve_defs.h @@ -54,4 +54,36 @@ static struct ecc_curve nist_p256 = { .b = nist_p256_b }; +/* NIST P-384 */ +static u64 nist_p384_g_x[] = { 0x3A545E3872760AB7ull, 0x5502F25DBF55296Cull, + 0x59F741E082542A38ull, 0x6E1D3B628BA79B98ull, + 0x8Eb1C71EF320AD74ull, 0xAA87CA22BE8B0537ull }; +static u64 nist_p384_g_y[] = { 0x7A431D7C90EA0E5Full, 0x0A60B1CE1D7E819Dull, + 0xE9DA3113B5F0B8C0ull, 0xF8F41DBD289A147Cull, + 0x5D9E98BF9292DC29ull, 0x3617DE4A96262C6Full }; +static u64 nist_p384_p[] = { 0x00000000FFFFFFFFull, 0xFFFFFFFF00000000ull, + 0xFFFFFFFFFFFFFFFEull, 0xFFFFFFFFFFFFFFFFull, + 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull }; +static u64 nist_p384_n[] = { 0xECEC196ACCC52973ull, 0x581A0DB248B0A77Aull, + 0xC7634D81F4372DDFull, 0xFFFFFFFFFFFFFFFFull, + 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull }; +static u64 nist_p384_a[] = { 0x00000000FFFFFFFCull, 0xFFFFFFFF00000000ull, + 0xFFFFFFFFFFFFFFFEull, 0xFFFFFFFFFFFFFFFFull, + 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull }; +static u64 nist_p384_b[] = { 0x2a85c8edd3ec2aefull, 0xc656398d8a2ed19dull, + 0x0314088f5013875aull, 0x181d9c6efe814112ull, + 0x988e056be3f82d19ull, 0xb3312fa7e23ee7e4ull }; +static struct ecc_curve nist_p384 = { + .name = "nist_384", + .g = { + .x = nist_p384_g_x, + .y = nist_p384_g_y, + .ndigits = 6, + }, + .p = nist_p384_p, + .n = nist_p384_n, + .a = nist_p384_a, + .b = nist_p384_b +}; + #endif diff --git a/include/crypto/ecdh.h b/include/crypto/ecdh.h index a5b805b5526d..e4ba1de961e4 100644 --- a/include/crypto/ecdh.h +++ b/include/crypto/ecdh.h @@ -25,6 +25,7 @@ /* Curves IDs */ #define ECC_CURVE_NIST_P192 0x0001 #define ECC_CURVE_NIST_P256 0x0002 +#define ECC_CURVE_NIST_P384 0x0003 /** * struct ecdh - define an ECDH private key