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Message-Id: <20210222175850.1131780-1-saulo.alessandre@gmail.com>
Date: Mon, 22 Feb 2021 14:58:48 -0300
From: Saulo Alessandre <saulo.alessandre@...il.com>
To: stefanb@...ux.ibm.com
Cc: davem@...emloft.net, dhowells@...hat.com,
herbert@...dor.apana.org.au, keyrings@...r.kernel.org,
linux-crypto@...r.kernel.org, linux-integrity@...r.kernel.org,
linux-kernel@...r.kernel.org, patrick@...terwijk.org,
zohar@...ux.ibm.com, Saulo Alessandre <saulo.alessandre@....jus.br>
Subject: [PATCH v2 1/3] add params and ids to support nist_p384
From: Saulo Alessandre <saulo.alessandre@....jus.br>
* crypto/asymmetric_keys/x509_cert_parser.c
- prepare x509 parser to load nist_secp384r1
* crypto/ecc_curve_defs.h
- add nist_p384 params
* include/crypto/ecdh.h
- add ECC_CURVE_NIST_P384
* include/linux/oid_registry.h
- reorder OID_id_ecdsa_with_sha1
- add OID_id_secp384r1
Signed-off-by: Saulo Alessandre <saulo.alessandre@....jus.br>
---
crypto/asymmetric_keys/x509_cert_parser.c | 3 +++
crypto/ecc_curve_defs.h | 32 +++++++++++++++++++++++
include/crypto/ecdh.h | 1 +
include/linux/oid_registry.h | 3 ++-
4 files changed, 38 insertions(+), 1 deletion(-)
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index d6d72420307c..03535bd8b8ef 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -512,6 +512,9 @@ int x509_extract_key_data(void *context, size_t hdrlen,
case OID_id_prime256v1:
ctx->cert->pub->pkey_algo = "ecdsa-nist-p256";
break;
+ case OID_id_secp384r1:
+ ctx->cert->pub->pkey_algo = "ecdsa-nist-p384";
+ break;
default:
return -ENOPKG;
}
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
diff --git a/include/linux/oid_registry.h b/include/linux/oid_registry.h
index ff3cad9f8c1f..d656450dfc66 100644
--- a/include/linux/oid_registry.h
+++ b/include/linux/oid_registry.h
@@ -19,10 +19,10 @@
enum OID {
OID_id_dsa_with_sha1, /* 1.2.840.10030.4.3 */
OID_id_dsa, /* 1.2.840.10040.4.1 */
- OID_id_ecdsa_with_sha1, /* 1.2.840.10045.4.1 */
OID_id_ecPublicKey, /* 1.2.840.10045.2.1 */
OID_id_prime192v1, /* 1.2.840.10045.3.1.1 */
OID_id_prime256v1, /* 1.2.840.10045.3.1.7 */
+ OID_id_ecdsa_with_sha1, /* 1.2.840.10045.4.1 */
OID_id_ecdsa_with_sha224, /* 1.2.840.10045.4.3.1 */
OID_id_ecdsa_with_sha256, /* 1.2.840.10045.4.3.2 */
OID_id_ecdsa_with_sha384, /* 1.2.840.10045.4.3.3 */
@@ -64,6 +64,7 @@ enum OID {
OID_certAuthInfoAccess, /* 1.3.6.1.5.5.7.1.1 */
OID_sha1, /* 1.3.14.3.2.26 */
+ OID_id_secp384r1, /* 1.3.132.0.34 */
OID_sha256, /* 2.16.840.1.101.3.4.2.1 */
OID_sha384, /* 2.16.840.1.101.3.4.2.2 */
OID_sha512, /* 2.16.840.1.101.3.4.2.3 */
--
2.25.1
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