in features/encrypt/sm/src/main/java/org/apache/shardingsphere/encrypt/sm/algorithm/standard/SM4EncryptAlgorithm.java [135:137]
public Object decrypt(final Object cipherValue, final AlgorithmSQLContext encryptContext) {
return null == cipherValue ? null : new String(decrypt(fromHexString(String.valueOf(cipherValue))), StandardCharsets.UTF_8);
}