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pkg/lzkit/crypto/ecb.go

@@ -214,6 +214,18 @@ func EncryptIDCard(idCard string, key []byte) (string, error) {
 	return AesEcbEncrypt([]byte(idCard), key)
 }
 
+// EncryptDeterministicOptional 对非空明文做 AES-ECB 确定性加密；空串表示不建索引列，返回 ok=false
+func EncryptDeterministicOptional(plain string, key []byte) (cipher string, ok bool, err error) {
+	if plain == "" {
+		return "", false, nil
+	}
+	cipher, err = AesEcbEncrypt([]byte(plain), key)
+	if err != nil {
+		return "", false, err
+	}
+	return cipher, true, nil
+}
+
 // DecryptIDCard 解密身份证号
 func DecryptIDCard(encryptedIDCard string, key []byte) (string, error) {
 	if encryptedIDCard == "" {