Confidential communication has become increasingly important in the modern world when computers are used for everything. Not only must sensitive information, like our country’s most brilliant secrets, be secure, but ordinary people’s personal data as well. Researchers have employed a variety of steganography and encryption approaches in various combinations to secure data transmission in the past. Steganography, on the other hand, hides the data in a carrier such as an image, data, audio, or video, while cryptography utilizes mathematical techniques to transform the data into an unintelligible form. In public communication channels like the Internet, cryptography offers the required mechanisms for accountability, correctness, and secrecy. Steganography is utilized in other domains including copyright, preventing e-document forging, etc. This paper represents an attempt to compress, secure, and hide data. It describes how the double layer of security is applied, starting with the suggested symmetric cryptography and moving on to individual steganography approaches. Wavelet transformation technique is also utilized for picture compression during steganography, and our goal is to maximize the security of the currently available techniques. The outcomes of the suggested technique demonstrate in this study that our approach is superior to the traditional techniques.

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Two-Layer Security Technique by Using Cryptography and Steganography: A Novel Approach

  • Ankita Awasthi,
  • Vijay Anand Sullare,
  • Aumreesh Kumar Saxena

摘要

Confidential communication has become increasingly important in the modern world when computers are used for everything. Not only must sensitive information, like our country’s most brilliant secrets, be secure, but ordinary people’s personal data as well. Researchers have employed a variety of steganography and encryption approaches in various combinations to secure data transmission in the past. Steganography, on the other hand, hides the data in a carrier such as an image, data, audio, or video, while cryptography utilizes mathematical techniques to transform the data into an unintelligible form. In public communication channels like the Internet, cryptography offers the required mechanisms for accountability, correctness, and secrecy. Steganography is utilized in other domains including copyright, preventing e-document forging, etc. This paper represents an attempt to compress, secure, and hide data. It describes how the double layer of security is applied, starting with the suggested symmetric cryptography and moving on to individual steganography approaches. Wavelet transformation technique is also utilized for picture compression during steganography, and our goal is to maximize the security of the currently available techniques. The outcomes of the suggested technique demonstrate in this study that our approach is superior to the traditional techniques.