commit 43be6453dd3e98d39721c8bc6725416772f4205c
author Jerome Forissier <jerome@forissier.org> Wed Jan 01 16:35:58 2020 +0100
committer Jérôme Forissier <jerome@forissier.org> Tue Jan 07 14:14:36 2020 +0100
tree 441fa9e415a3ff154919b5f092d8dc8c1518216a
parent 682f256caaf6addb665ec81b9f96a2b04d5c1010

core: ltc: add SM2 curve parameters

Adds the recommended curve parameters for SM2 [1] [2].

[1] http://www.gmbz.org.cn/main/postDetail.html?id=20180724110812
[2] https://tools.ietf.org/id/draft-ribose-openpgp-oscca-00.html

Signed-off-by: Jerome Forissier <jerome@forissier.org>

core/lib/libtomcrypt/src/pk/ecc/ecc.c

diff --git a/core/lib/libtomcrypt/src/pk/ecc/ecc.c b/core/lib/libtomcrypt/src/pk/ecc/ecc.c
index 175d437..15802f7 100644
--- a/core/lib/libtomcrypt/src/pk/ecc/ecc.c
+++ b/core/lib/libtomcrypt/src/pk/ecc/ecc.c
@@ -433,6 +433,18 @@
    /* OID      */ "1.3.36.3.3.2.8.1.1.14"
 },
 #endif
+#ifdef LTC_ECC_SM2
+{
+   /* prime    */ "FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFF",
+   /* A        */ "FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFC",
+   /* B        */ "28E9FA9E9D9F5E344D5A9E4BCF6509A7F39789F515AB8F92DDBCBD414D940E93",
+   /* order    */ "FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFF7203DF6B21C6052B53BBF40939D54123",
+   /* Gx       */ "32C4AE2C1F1981195F9904466A39C9948FE30BBFF2660BE1715A4589334C74C7",
+   /* Gy       */ "BC3736A2F4F6779C59BDCEE36B692153D0A9877CC62A474002DF32E52139F0A0",
+   /* cofactor */ 1,
+   /* OID      */ "1.2.156.10197.1.301"
+},
+#endif
 {
    NULL, NULL, NULL, NULL, NULL, NULL, 0, NULL
 }

core/lib/libtomcrypt/src/pk/ecc/ecc_find_curve.c

diff --git a/core/lib/libtomcrypt/src/pk/ecc/ecc_find_curve.c b/core/lib/libtomcrypt/src/pk/ecc/ecc_find_curve.c
index 16b749c..607d0a1 100644
--- a/core/lib/libtomcrypt/src/pk/ecc/ecc_find_curve.c
+++ b/core/lib/libtomcrypt/src/pk/ecc/ecc_find_curve.c
@@ -186,6 +186,11 @@
       "1.3.36.3.3.2.8.1.1.14", { "BRAINPOOLP512T1", NULL }
    },
 #endif
+#ifdef LTC_ECC_SM2
+   {
+      "1.2.156.10197.1.301", { "SM2", NULL }
+   },
+#endif
    {
       NULL, { NULL }
    }