Method and system for decrypting strongly encrypted .ZIP files
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Accused Products
Abstract
The present invention provides a method of integrating existing strong encryption methods into the processing of a .ZIP file to provide a highly secure data container which provides flexibility in the use of symmetric and asymmetric encryption technology. The present invention adapts the well established .ZIP file format to support higher levels of security and multiple methods of data encryption and key management, thereby producing a highly secure and flexible digital container for electronically storing and transferring confidential data.
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Citations
57 Claims
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1-24. -24. (canceled)
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25. A method of providing access to data in a .Zip file format data container, said method including:
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receiving a data container including an encrypted data file; and
decrypting said encrypted data file to form decrypted data file, wherein said decryption includes decrypting said encrypted data file using symmetric decryption having a key length of greater than or equal to 128 bits, wherein said data container is constructed in accordance with a .Zip file format. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A method of providing access to data in a data container, said method including:
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receiving a data container including an encrypted data file; and
decrypting said encrypted data file to form decrypted data file, wherein said decryption includes decrypting said encrypted data file using symmetric decryption having a key length of greater than or equal to 128 bits, wherein said data container is designed for containing compressed files. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57)
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Specification