About: Null cipher

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A null cipher, also known as concealment cipher, is an ancient form of encryption where the plaintext is mixed with a large amount of non-cipher material. Today it is regarded as a simple form of steganography, which can be used to hide ciphertext.

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  • A null cipher, also known as concealment cipher, is an ancient form of encryption where the plaintext is mixed with a large amount of non-cipher material. Today it is regarded as a simple form of steganography, which can be used to hide ciphertext. (en)
  • 空密码，也称为隐蔽密码，是一个古老的加密形式。明文混有大量的非密材料。今天，它被认为是一个简单的隐写术，可以用来隐藏密文。 (zh)
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  • A null cipher, also known as concealment cipher, is an ancient form of encryption where the plaintext is mixed with a large amount of non-cipher material. Today it is regarded as a simple form of steganography, which can be used to hide ciphertext. (en)
  • 空密码，也称为隐蔽密码，是一个古老的加密形式。明文混有大量的非密材料。今天，它被认为是一个简单的隐写术，可以用来隐藏密文。 (zh)
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  • Null cipher (en)
  • 空密码 (zh)
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