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A COMPUTER-IMPLEMENTED METHOD, A SYSTEM, AND COMPUTER PROGRAMS FOR DIGITAL FILES MANAGEMENT AND PRESERVATION IN DIGITAL LICENSES
A COMPUTER-IMPLEMENTED METHOD, A SYSTEM, AND COMPUTER PROGRAMS FOR DIGITAL FILES MANAGEMENT AND PRESERVATION IN DIGITAL LICENSES
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机译：用于数字文件管理和数字许可证保存的计算机实现的方法，系统和计算机程序
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摘要
A method, system, and computer programs for digital files management and preservation in digital licenses. The method comprises splitting a digital file into a plurality of tokens and distributing each token over computing nodes (101, 102, 103, 104) participating in a blockchain; splitting a first random key associated to the digital file into a plurality of portions and distributing each portion to each computing node (101, 102, 103, 104); shuffling, randomly, the computing nodes (101, 102, 103, 104) and its associated public keys; for each computing node (101, 102, 103, 104) encrypting the portion with the node's public key, and encrypting the received token and a hash function with a public key; storing a head token that corresponds to a first computing node of the blockchain and its associated public key in a digital license; and generating a multiencrypted key Ra and using the latter as the key for recovering the digital file.
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机译：用于数字文件管理和数字许可证保存的方法，系统和计算机程序。该方法包括将数字文件分成多个令牌并在参与区块链中的计算节点（101,102,103,104）上分配每个令牌;将与数字文件相关联的第一随机键分成多个部分并将每个部分分配给每个计算节点（101,102,103,104）;随机播放，随机，计算节点（101,102,103,104）及其相关的公钥;对于每个计算节点（101,102,103,104）将该部分与节点的公钥加密，并用公钥加密接收的令牌和哈希函数;存储与数字许可证的块链条的第一计算节点对应的头令牌;并生成多encrypted键 Ra ，并使用后者作为恢复数字文件的键。
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