fix(aliyundriver):x-device-id error code (#3390)

* fix(aliyundriver):x-drvice-id error code

* fix(aliyunpan):session signature error

* fix typo

---------

Co-authored-by: Andy Hsu <i@nn.ci>

drivers/aliyundrive/help.go

@@ -0,0 +1,66 @@
+package aliyundrive
+
+import (
+	"crypto/ecdsa"
+	"crypto/rand"
+	"encoding/hex"
+	"math/big"
+
+	"github.com/dustinxie/ecc"
+)
+
+func NewPrivateKey() (*ecdsa.PrivateKey, error) {
+	p256k1 := ecc.P256k1()
+	return ecdsa.GenerateKey(p256k1, rand.Reader)
+}
+
+func NewPrivateKeyFromHex(hex_ string) (*ecdsa.PrivateKey, error) {
+	data, err := hex.DecodeString(hex_)
+	if err != nil {
+		return nil, err
+	}
+	return NewPrivateKeyFromBytes(data), nil
+
+}
+
+func NewPrivateKeyFromBytes(priv []byte) *ecdsa.PrivateKey {
+	p256k1 := ecc.P256k1()
+	x, y := p256k1.ScalarBaseMult(priv)
+	return &ecdsa.PrivateKey{
+		PublicKey: ecdsa.PublicKey{
+			Curve: p256k1,
+			X:     x,
+			Y:     y,
+		},
+		D: new(big.Int).SetBytes(priv),
+	}
+}
+
+func PrivateKeyToHex(private *ecdsa.PrivateKey) string {
+	return hex.EncodeToString(PrivateKeyToBytes(private))
+}
+
+func PrivateKeyToBytes(private *ecdsa.PrivateKey) []byte {
+	return private.D.Bytes()
+}
+
+func PublicKeyToHex(public *ecdsa.PublicKey) string {
+	return hex.EncodeToString(PublicKeyToBytes(public))
+}
+
+func PublicKeyToBytes(public *ecdsa.PublicKey) []byte {
+	x := public.X.Bytes()
+	if len(x) < 32 {
+		for i := 0; i < 32-len(x); i++ {
+			x = append([]byte{0}, x...)
+		}
+	}
+
+	y := public.Y.Bytes()
+	if len(y) < 32 {
+		for i := 0; i < 32-len(y); i++ {
+			y = append([]byte{0}, y...)
+		}
+	}
+	return append(x, y...)
+}