init: v1.0.0

2026-05-27 23:03:00 +08:00
commit 8d97f750eb
466 changed files with 80067 additions and 0 deletions
@@ -0,0 +1,128 @@
+package experiment
+
+import (
+	"crypto/rand"
+	"fmt"
+	"testing"
+
+	"xdx.jelly/xgcl/grand"
+)
+
+func TestAes(t *testing.T) {
+
+	// Output the aes sbox
+	for i := 0; i < 16; i++ {
+		for j := 0; j < 16; j++ {
+			in := byte(i<<4 + j)
+			fmt.Printf("0x%02x, ", aesSBox(in))
+		}
+		fmt.Println("")
+	}
+}
+
+func TestAesni(t *testing.T) {
+	// fmt.Printf("%x\n", rsh(0x89ABCDEF, 16))
+	// Original data: 0x8899aabbccddeeff0123456789abcdef
+	// Encoded data: 0x4b04f98cf4c860f8b6dd7df25d7ab320
+	a := []uint32{0x89ABCDEF, 0x01234567, 0xCCDDEEFF, 0x8899AABB}
+	key := []uint32{0x99BBDDFF, 0x11335577, 0x88AACCEE, 0x00224466}
+
+	res := aesni(a, key)
+	fmt.Printf("%x\n", res)
+}
+func TestSm4(t *testing.T) {
+	for i := 0; i < 16; i++ {
+		for j := 0; j < 16; j++ {
+			in := byte(i<<4 + j)
+			fmt.Printf("0x%02x ", sm4SBox(in))
+		}
+		fmt.Println("")
+	}
+}
+
+func TestMul(t *testing.T) {
+	// v1 := []int{0, 0, 0, 0, 0, 0, 0, 0, 1} // x^8
+	// v2 := []int{1, 1}                      // 1 + x^2
+	// fmt.Println(add(v1, v2))
+	fmt.Println(aesField.Mul(NewFFE(0x11), NewFFE(0x11)))
+	fmt.Println(aesField.Add(NewFFE(0x11), NewFFE(0x11)))
+
+	// fmt.Println(invert(v2))
+}
+
+func TestXor(t *testing.T) {
+	for {
+		key := make([]byte, 16)
+		rand.Read(key)
+		p1 := make([]byte, 16)
+		AesRound(p1, key)
+
+		p2 := make([]byte, 16)
+		p2[0] = 1
+		AesRound(p2, key)
+
+		fmt.Printf("%02X\n", p1)
+		fmt.Printf("%02X\n", p2)
+		fmt.Printf("s4+s'4 = %02X\n", p1[4]^p2[4])
+		for i := 0; i < 16; i++ {
+			if p1[i] != p2[i] {
+				fmt.Printf("%d,", i)
+			}
+		}
+		if p1[0]^p2[0] == 2 {
+			fmt.Printf("key[0] = %02X\n", key[0])
+		}
+	}
+}
+
+func TestPossibleKey(t *testing.T) {
+	for i := 0; i < 256; i++ {
+		key := make([]byte, 16)
+		key[0] = byte(i)
+		p1 := make([]byte, 16)
+		AesRound(p1, key)
+
+		p2 := make([]byte, 16)
+		p2[0] = 1
+		AesRound(p2, key)
+		fmt.Println(key[0], p2[0], p1[0], p2[0]+p1[0])
+		if p1[0]+p2[0] == 2 {
+			fmt.Printf("key[0] = %02X\n", key[0])
+		}
+	}
+}
+
+func TestCommutation(t *testing.T) {
+	s := &ffe{}
+	copy(s.v[:], grand.GetRandom(8))
+	for i := 0; i < 8; i++ {
+		s.v[i] = s.v[i] & 1
+	}
+	fmt.Println(s)
+	r1 := mapToAesField(sm4Field.Invert(s))
+	r2 := aesField.Invert(mapToAesField(s))
+
+	fmt.Println(r1)
+	fmt.Println(r2)
+}
+
+var C1 = &ffe{v: [8]byte{0, 1, 1, 1, 1, 1, 0, 0}} // 0x3e
+
+var C2 = &ffe{v: [8]byte{0, 0, 1, 1, 0, 1, 1, 0}} // 0x6c
+
+func TestComputeAffine(t *testing.T) {
+	for i := 0; i < 255; i++ {
+		s := NewFFE(byte(i))
+
+		r1 := sm4SBox(s.Byte())
+
+		r2 := Transform(M1, s)
+		r2 = aesField.Add(r2, C1)
+		r2 = NewFFE(aesSBox(r2.Byte()))
+		r2 = Transform(M2, r2)
+		r2 = aesField.Add(r2, C2)
+		if r1 != r2.Byte() {
+			t.Fatal("s=", s, "; r1=", r1, "; r2=", r2)
+		}
+	}
+}