[PATCH v9 6/9] crypto: Add NIST P384 curve parameters
From: Stefan Berger <hidden>
Date: 2021-02-25 16:14:27
Also in:
keyrings, linux-integrity, lkml
Subsystem:
asymmetric keys - ecdsa, crypto api, the rest · Maintainers:
Lukas Wunner, Ignat Korchagin, Herbert Xu, "David S. Miller", Linus Torvalds
From: Saulo Alessandre <redacted> * crypto/ecc_curve_defs.h - add nist_p384 params * include/crypto/ecdh.h - add ECC_CURVE_NIST_P384 Signed-off-by: Saulo Alessandre <redacted> Tested-by: Stefan Berger <stefanb@linux.ibm.com> --- crypto/ecc_curve_defs.h | 32 ++++++++++++++++++++++++++++++++ include/crypto/ecdh.h | 1 + 2 files changed, 33 insertions(+)
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
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2.29.2