From 4b701e64e76d671c56c2debeeb88e1b947ca0c2f Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Thu, 11 Jul 2019 12:00:41 +0300
Subject: [PATCH] Twisted Edwards curve parameters

---
 src/cypherpunks.ru/gogost/gost3410/params.go | 114 +++++++++++++++++++
 1 file changed, 114 insertions(+)

diff --git a/src/cypherpunks.ru/gogost/gost3410/params.go b/src/cypherpunks.ru/gogost/gost3410/params.go
index 268b0c9..be1a82c 100644
--- a/src/cypherpunks.ru/gogost/gost3410/params.go
+++ b/src/cypherpunks.ru/gogost/gost3410/params.go
@@ -336,6 +336,51 @@ var (
 		}
 		return curve
 	}
+	// id-tc26-gost-3410-2012-256-paramSetA
+	CurveIdtc26gost34102012256paramSetA func() *Curve = func() *Curve {
+		curve, err := NewCurve(
+			[]byte{
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFD, 0x97,
+			},
+			[]byte{
+				0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x0F, 0xD8, 0xCD, 0xDF, 0xC8, 0x7B, 0x66, 0x35,
+				0xC1, 0x15, 0xAF, 0x55, 0x6C, 0x36, 0x0C, 0x67,
+			},
+			[]byte{
+				0xC2, 0x17, 0x3F, 0x15, 0x13, 0x98, 0x16, 0x73,
+				0xAF, 0x48, 0x92, 0xC2, 0x30, 0x35, 0xA2, 0x7C,
+				0xE2, 0x5E, 0x20, 0x13, 0xBF, 0x95, 0xAA, 0x33,
+				0xB2, 0x2C, 0x65, 0x6F, 0x27, 0x7E, 0x73, 0x35,
+			},
+			[]byte{
+				0x29, 0x5F, 0x9B, 0xAE, 0x74, 0x28, 0xED, 0x9C,
+				0xCC, 0x20, 0xE7, 0xC3, 0x59, 0xA9, 0xD4, 0x1A,
+				0x22, 0xFC, 0xCD, 0x91, 0x08, 0xE1, 0x7B, 0xF7,
+				0xBA, 0x93, 0x37, 0xA6, 0xF8, 0xAE, 0x95, 0x13,
+			},
+			[]byte{
+				0x91, 0xE3, 0x84, 0x43, 0xA5, 0xE8, 0x2C, 0x0D,
+				0x88, 0x09, 0x23, 0x42, 0x57, 0x12, 0xB2, 0xBB,
+				0x65, 0x8B, 0x91, 0x96, 0x93, 0x2E, 0x02, 0xC7,
+				0x8B, 0x25, 0x82, 0xFE, 0x74, 0x2D, 0xAA, 0x28,
+			},
+			[]byte{
+				0x32, 0x87, 0x94, 0x23, 0xAB, 0x1A, 0x03, 0x75,
+				0x89, 0x57, 0x86, 0xC4, 0xBB, 0x46, 0xE9, 0x56,
+				0x5F, 0xDE, 0x0B, 0x53, 0x44, 0x76, 0x67, 0x40,
+				0xAF, 0x26, 0x8A, 0xDB, 0x32, 0x32, 0x2E, 0x5C,
+			},
+		)
+		if err != nil {
+			panic(err)
+		}
+		return curve
+	}
 	// id-tc26-gost-3410-12-512-paramSetA
 	CurveIdtc26gost341012512paramSetA func() *Curve = func() *Curve {
 		curve, err := NewCurve(
@@ -474,6 +519,75 @@ var (
 		}
 		return curve
 	}
+	// id-tc26-gost-3410-2012-512-paramSetC
+	CurveIdtc26gost34102012512paramSetC func() *Curve = func() *Curve {
+		curve, err := NewCurve(
+			[]byte{
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFD, 0xC7,
+			},
+			[]byte{
+				0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+				0xC9, 0x8C, 0xDB, 0xA4, 0x65, 0x06, 0xAB, 0x00,
+				0x4C, 0x33, 0xA9, 0xFF, 0x51, 0x47, 0x50, 0x2C,
+				0xC8, 0xED, 0xA9, 0xE7, 0xA7, 0x69, 0xA1, 0x26,
+				0x94, 0x62, 0x3C, 0xEF, 0x47, 0xF0, 0x23, 0xED,
+			},
+			[]byte{
+				0xDC, 0x92, 0x03, 0xE5, 0x14, 0xA7, 0x21, 0x87,
+				0x54, 0x85, 0xA5, 0x29, 0xD2, 0xC7, 0x22, 0xFB,
+				0x18, 0x7B, 0xC8, 0x98, 0x0E, 0xB8, 0x66, 0x64,
+				0x4D, 0xE4, 0x1C, 0x68, 0xE1, 0x43, 0x06, 0x45,
+				0x46, 0xE8, 0x61, 0xC0, 0xE2, 0xC9, 0xED, 0xD9,
+				0x2A, 0xDE, 0x71, 0xF4, 0x6F, 0xCF, 0x50, 0xFF,
+				0x2A, 0xD9, 0x7F, 0x95, 0x1F, 0xDA, 0x9F, 0x2A,
+				0x2E, 0xB6, 0x54, 0x6F, 0x39, 0x68, 0x9B, 0xD3,
+			},
+			[]byte{
+				0xB4, 0xC4, 0xEE, 0x28, 0xCE, 0xBC, 0x6C, 0x2C,
+				0x8A, 0xC1, 0x29, 0x52, 0xCF, 0x37, 0xF1, 0x6A,
+				0xC7, 0xEF, 0xB6, 0xA9, 0xF6, 0x9F, 0x4B, 0x57,
+				0xFF, 0xDA, 0x2E, 0x4F, 0x0D, 0xE5, 0xAD, 0xE0,
+				0x38, 0xCB, 0xC2, 0xFF, 0xF7, 0x19, 0xD2, 0xC1,
+				0x8D, 0xE0, 0x28, 0x4B, 0x8B, 0xFE, 0xF3, 0xB5,
+				0x2B, 0x8C, 0xC7, 0xA5, 0xF5, 0xBF, 0x0A, 0x3C,
+				0x8D, 0x23, 0x19, 0xA5, 0x31, 0x25, 0x57, 0xE1,
+			},
+			[]byte{
+				0xE2, 0xE3, 0x1E, 0xDF, 0xC2, 0x3D, 0xE7, 0xBD,
+				0xEB, 0xE2, 0x41, 0xCE, 0x59, 0x3E, 0xF5, 0xDE,
+				0x22, 0x95, 0xB7, 0xA9, 0xCB, 0xAE, 0xF0, 0x21,
+				0xD3, 0x85, 0xF7, 0x07, 0x4C, 0xEA, 0x04, 0x3A,
+				0xA2, 0x72, 0x72, 0xA7, 0xAE, 0x60, 0x2B, 0xF2,
+				0xA7, 0xB9, 0x03, 0x3D, 0xB9, 0xED, 0x36, 0x10,
+				0xC6, 0xFB, 0x85, 0x48, 0x7E, 0xAE, 0x97, 0xAA,
+				0xC5, 0xBC, 0x79, 0x28, 0xC1, 0x95, 0x01, 0x48,
+			},
+			[]byte{
+				0xF5, 0xCE, 0x40, 0xD9, 0x5B, 0x5E, 0xB8, 0x99,
+				0xAB, 0xBC, 0xCF, 0xF5, 0x91, 0x1C, 0xB8, 0x57,
+				0x79, 0x39, 0x80, 0x4D, 0x65, 0x27, 0x37, 0x8B,
+				0x8C, 0x10, 0x8C, 0x3D, 0x20, 0x90, 0xFF, 0x9B,
+				0xE1, 0x8E, 0x2D, 0x33, 0xE3, 0x02, 0x1E, 0xD2,
+				0xEF, 0x32, 0xD8, 0x58, 0x22, 0x42, 0x3B, 0x63,
+				0x04, 0xF7, 0x26, 0xAA, 0x85, 0x4B, 0xAE, 0x07,
+				0xD0, 0x39, 0x6E, 0x9A, 0x9A, 0xDD, 0xC4, 0x0F,
+			},
+		)
+		if err != nil {
+			panic(err)
+		}
+		return curve
+	}
 
 	CurveDefault = CurveIdGostR34102001CryptoProAParamSet
 )
-- 
2.44.0