对信息隐藏系统的隐藏密钥进行了详细分析,提出了信息隐藏的抗提取性评价方法。
Analyze the key used in the information-hiding system in detail, confirm the content in it, and measure the performance to resist the extraction through calculating its complexity.
攻击者同时利用正确的和错误的加密结果来发现隐藏在密码设备中的秘密信息(密钥)。
The attacker exploits the correct and incorrect encryption results to disclose the secret information (key) hidden in the cryptographic device.
通过密钥,隐藏的指纹数据可以从被传输的图像中精确提取出来。
The hidden fingerprint data are extracted accurately from the carrier image by a secret key.
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