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 +1,59 @@
+package experiment
+
+import (
+	"encoding/binary"
+)
+
+var aesA = [][]byte{
+	{1, 0, 0, 0, 1, 1, 1, 1},
+	{1, 1, 0, 0, 0, 1, 1, 1},
+	{1, 1, 1, 0, 0, 0, 1, 1},
+	{1, 1, 1, 1, 0, 0, 0, 1},
+	{1, 1, 1, 1, 1, 0, 0, 0},
+	{0, 1, 1, 1, 1, 1, 0, 0},
+	{0, 0, 1, 1, 1, 1, 1, 0},
+	{0, 0, 0, 1, 1, 1, 1, 1},
+}
+
+var aesC = &ffe{
+	v: [8]byte{1, 1, 0, 0, 0, 1, 1, 0},
+}
+
+func aesSBox(in byte) byte {
+	r := NewFFE(in)
+	r = aesField.Invert(r)
+	r = Transform(aesA, r)
+	r = aesField.Add(r, aesC)
+	return r.Byte()
+}
+
+func toBytes(x []uint32) []byte {
+	data := make([]byte, 16)
+
+	binary.LittleEndian.PutUint32(data[0:], x[0])
+	binary.LittleEndian.PutUint32(data[4:], x[1])
+	binary.LittleEndian.PutUint32(data[8:], x[2])
+	binary.LittleEndian.PutUint32(data[12:], x[3])
+	return data
+}
+
+func toUints(b []byte) []uint32 {
+	r := make([]uint32, 4)
+	r[0] = binary.LittleEndian.Uint32(b[0:])
+	r[1] = binary.LittleEndian.Uint32(b[4:])
+	r[2] = binary.LittleEndian.Uint32(b[8:])
+	r[3] = binary.LittleEndian.Uint32(b[12:])
+	return r
+}
+
+// 模拟aesni指令
+// 注意aes是列优先的。
+func aesni(a, key []uint32) []uint32 {
+
+	aBuf := toBytes(a)
+	kBuf := toBytes(key)
+
+	AesLastRound(aBuf, kBuf)
+
+	return toUints(aBuf)
+}