增加授权验证

license/public/algorithm.go

@@ -0,0 +1,49 @@
+package public
+
+import (
+	"crypto/ecdsa"
+	"encoding/pem"
+)
+
+type NonEquAlgorthm struct {
+	Algorithm  *SigningMethodECDSA
+	PrivateKey *ecdsa.PrivateKey
+	PublicKey  *ecdsa.PublicKey
+}
+
+func GetNonEquAlgorthm(prikey []byte, pubkey []byte) (*NonEquAlgorthm, error) {
+	var err error
+	alg := &NonEquAlgorthm{
+		Algorithm: GetSignVerifyMgr(),
+	}
+
+	if prikey != nil {
+		if block, _ := pem.Decode(prikey); block == nil {
+			prikey, err = FormatPem(prikey, true)
+			if err != nil {
+				return nil, err
+			}
+		}
+
+		alg.PrivateKey, err = ParseECPrivateKeyFromPEM(prikey)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	if pubkey != nil {
+		if block, _ := pem.Decode(pubkey); block == nil {
+			pubkey, err = FormatPem(pubkey, false)
+			if err != nil {
+				return nil, err
+			}
+		}
+
+		alg.PublicKey, err = ParseECPublicKeyFromPEM(pubkey)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return alg, nil
+}