init: v1.0.0

sm/sm4/sm4_gcm.go

@@ -0,0 +1,23 @@
+//go:build amd64 || arm64
+// +build amd64 arm64
+
+package sm4
+
+import "crypto/cipher"
+
+/*TODO use aesni to improve performance */
+
+type sm4CipherGCM struct {
+	sm4CipherAsm
+}
+
+// NewGCM returns the SM4 cipher wrapped in Galois Counter Mode. This is only
+// called by crypto/cipher.NewGCM via the gcmAble interface.
+//
+// 调用crypto/cipher.NewGCM的时候在回调sm4CipherGCM.NewGCM
+func (c *sm4CipherGCM) NewGCM(nonceSize, tagSize int) (cipher.AEAD, error) {
+	// TODO 判断size，先返回错误
+
+	// 现在是默认实现-sm4CipherAsm没有gcmAble接口
+	return cipher.NewGCM(&c.sm4CipherAsm)
+}