diff options
Diffstat (limited to 'src/crypto/elliptic/elliptic_test.go')
| -rw-r--r-- | src/crypto/elliptic/elliptic_test.go | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/crypto/elliptic/elliptic_test.go b/src/crypto/elliptic/elliptic_test.go index 902c414383..c3e4c17d25 100644 --- a/src/crypto/elliptic/elliptic_test.go +++ b/src/crypto/elliptic/elliptic_test.go @@ -300,6 +300,29 @@ var p224BaseMultTests = []baseMultTest{ }, } +type scalarMultTest struct { + k string + xIn, yIn string + xOut, yOut string +} + +var p256MultTests = []scalarMultTest{ + { + "2a265f8bcbdcaf94d58519141e578124cb40d64a501fba9c11847b28965bc737", + "023819813ac969847059028ea88a1f30dfbcde03fc791d3a252c6b41211882ea", + "f93e4ae433cc12cf2a43fc0ef26400c0e125508224cdb649380f25479148a4ad", + "4d4de80f1534850d261075997e3049321a0864082d24a917863366c0724f5ae3", + "a22d2b7f7818a3563e0f7a76c9bf0921ac55e06e2e4d11795b233824b1db8cc0", + }, + { + "313f72ff9fe811bf573176231b286a3bdb6f1b14e05c40146590727a71c3bccd", + "cc11887b2d66cbae8f4d306627192522932146b42f01d3c6f92bd5c8ba739b06", + "a2f08a029cd06b46183085bae9248b0ed15b70280c7ef13a457f5af382426031", + "831c3f6b5f762d2f461901577af41354ac5f228c2591f84f8a6e51e2e3f17991", + "93f90934cd0ef2c698cc471c60a93524e87ab31ca2412252337f364513e43684", + }, +} + func TestBaseMult(t *testing.T) { p224 := P224() for i, e := range p224BaseMultTests { @@ -379,6 +402,19 @@ func TestP256Mult(t *testing.T) { break } } + + for i, e := range p256MultTests { + x, _ := new(big.Int).SetString(e.xIn, 16) + y, _ := new(big.Int).SetString(e.yIn, 16) + k, _ := new(big.Int).SetString(e.k, 16) + expectedX, _ := new(big.Int).SetString(e.xOut, 16) + expectedY, _ := new(big.Int).SetString(e.yOut, 16) + + xx, yy := p256.ScalarMult(x, y, k.Bytes()) + if xx.Cmp(expectedX) != 0 || yy.Cmp(expectedY) != 0 { + t.Errorf("#%d: got (%x, %x), want (%x, %x)", i, xx, yy, expectedX, expectedY) + } + } } func TestInfinity(t *testing.T) { |