From 3d328a445c2ad0eff2e9e843c384711be58a7c2f Mon Sep 17 00:00:00 2001
From: Jack Lloyd <jack.lloyd@ribose.com>
Date: Wed, 24 Jan 2018 11:56:02 -0500
Subject: Add SM2 signature and ECIES schemes

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4793)
---
 crypto/ec/ec_curve.c | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'crypto/ec/ec_curve.c')

diff --git a/crypto/ec/ec_curve.c b/crypto/ec/ec_curve.c
index 75fc541101..01d56543db 100644
--- a/crypto/ec/ec_curve.c
+++ b/crypto/ec/ec_curve.c
@@ -2751,6 +2751,43 @@ static const struct {
     }
 };
 
+static const struct {
+    EC_CURVE_DATA h;
+    unsigned char data[0 + 32 * 6];
+} _EC_sm2p256v1 = {
+    {
+       NID_X9_62_prime_field, 0, 32, 1
+    },
+    {
+        /* no seed */
+
+        /* p */
+        0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
+        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+        /* a */
+        0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
+        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc,
+        /* b */
+        0x28, 0xe9, 0xfa, 0x9e, 0x9d, 0x9f, 0x5e, 0x34, 0x4d, 0x5a, 0x9e, 0x4b,
+        0xcf, 0x65, 0x09, 0xa7, 0xf3, 0x97, 0x89, 0xf5, 0x15, 0xab, 0x8f, 0x92,
+        0xdd, 0xbc, 0xbd, 0x41, 0x4d, 0x94, 0x0e, 0x93,
+        /* x */
+        0x32, 0xc4, 0xae, 0x2c, 0x1f, 0x19, 0x81, 0x19, 0x5f, 0x99, 0x04, 0x46,
+        0x6a, 0x39, 0xc9, 0x94, 0x8f, 0xe3, 0x0b, 0xbf, 0xf2, 0x66, 0x0b, 0xe1,
+        0x71, 0x5a, 0x45, 0x89, 0x33, 0x4c, 0x74, 0xc7,
+        /* y */
+        0xbc, 0x37, 0x36, 0xa2, 0xf4, 0xf6, 0x77, 0x9c, 0x59, 0xbd, 0xce, 0xe3,
+        0x6b, 0x69, 0x21, 0x53, 0xd0, 0xa9, 0x87, 0x7c, 0xc6, 0x2a, 0x47, 0x40,
+        0x02, 0xdf, 0x32, 0xe5, 0x21, 0x39, 0xf0, 0xa0,
+        /* order */
+        0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+        0xff, 0xff, 0xff, 0xff, 0x72, 0x03, 0xdf, 0x6b, 0x21, 0xc6, 0x05, 0x2b,
+        0x53, 0xbb, 0xf4, 0x09, 0x39, 0xd5, 0x41, 0x23,
+    }
+};
+
 typedef struct _ec_list_element_st {
     int nid;
     const EC_CURVE_DATA *data;
@@ -2960,6 +2997,8 @@ static const ec_list_element curve_list[] = {
      "RFC 5639 curve over a 512 bit prime field"},
     {NID_brainpoolP512t1, &_EC_brainpoolP512t1.h, 0,
      "RFC 5639 curve over a 512 bit prime field"},
+    {NID_sm2, &_EC_sm2p256v1.h, 0,
+     "SM2 curve over a 256 bit prime field"},
 };
 
 #define curve_list_length OSSL_NELEM(curve_list)
-- 
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