DECENTRALIZED INFORMATION PROTECTION FOR CONFIDENTIALITY AND TAMPER-PROOFING ON DISTRIBUTED DATABASE

In an embodiment, a computer-implemented data security method comprises: using a first computing device, generating a plurality of encrypted shares from a plurality of shares of hidden security service data by using a separate public key from a plurality of public keys that correspond to a plurality of second computing devices; using a requesting second computing device, accessing and decrypting a first encrypted share of the plurality of encrypted shares using a first private key corresponding to the requesting second computing device to generate a first portion of the hidden security service data; using an available second computing device, decrypting a second encrypted share of the plurality of encrypted shares using a second private key corresponding to the available second computing device to generate a decrypted share; using the available second computing device, re-encrypting the decrypted share using a public key corresponding to the requesting second computing device to generate a re-encrypted share and sending the re-encrypted share to the requesting second computing device; and using the requesting second computing device, decrypting the re-encrypted share using the first private key to generate a second portion of the hidden security service data; using the first portion and second portion of the hidden security service data, forming and using a readable copy of the hidden security service data to perform authentications.