Encryption, digital signature and digital watermark are three popular methods to prevent a wide variety of multimedia products from illegal copy or subterfuge attacks.

 
  • 中文摘要数位影音多媒体产品,可以透过加密,使用数位签章,或加入浮水印等方法来防止不法盗取行为。
今日热词
目录 附录 查词历史