github.com/jiajun1992/watercarver@v0.0.0-20191031150618-dfc2b17c0c4a/go-ethereum/ctcrypto/crypto/ringct/order_test.go (about)

     1  // Copyright 2017-2018 DERO Project. All rights reserved.
     2  // Use of this source code in any form is governed by RESEARCH license.
     3  // license can be found in the LICENSE file.
     4  // GPG: 0F39 E425 8C65 3947 702A  8234 08B2 0360 A03A 9DE8
     5  //
     6  //
     7  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
     8  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     9  // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
    10  // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    11  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    12  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    13  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    14  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
    15  // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    16  
    17  package ringct
    18  
    19  import "testing"
    20  
    21  import "github.com/ethereum/go-ethereum/ctcrypto/crypto"
    22  
    23  func Test_LowOrder_KeyImage(t *testing.T) {
    24  
    25  	k_image := crypto.HexToKey("04331738293495ffc0b6121d3c4d3b3fd2931ea0768c5f9ddc4df6867411a20d")
    26  	curve_order := crypto.CurveOrder()
    27  	mult_result := crypto.ScalarMultKey(&k_image, &curve_order)
    28  
    29  	if *mult_result != Identity {
    30  
    31  		t.Errorf("Low order key image Testing failed")
    32  
    33  	}
    34  	//  fmt.Printf("identity %s\n", ringct.Identity)
    35  	//   fmt.Printf("curve_order %s\n", curve_order)
    36  	//    fmt.Printf("mult_result %s\n", mult_result)
    37  
    38  }