Abstract: Various embodiments relate to a method and apparatus for policy-hiding on ciphertext-policy attribute based encryption, the method including the steps of categorizing each of a plurality of attributes into a plurality of groups where each of the plurality of groups has a group attribute, inputting a policy and a message into an encryption algorithm and outputting a ciphertext; and encrypting an AND subtree in the policy and outputting a sub-cipher.

Abstract: A method for assessing risk associated with a request from an inquirer for allele frequency from a database of genetic data, comprising: (i) generating an allele database comprising allele frequency information and request frequency information for each of a plurality of alleles; (ii) generating an inquirer database comprising allele request information about a plurality of inquirers; (iii) receiving a request for genetic data from an inquirer, comprising a request for allele frequency for one or more alleles and an identifier of the inquirer; (iv) updating the request frequency information based on the received request; (v) updating the allele request information for the requesting inquirer; (vi) calculating an allele risk score; (vii) calculating an inquirer risk score; and (viii) assessing, based on the allele risk score and the inquirer risk score, a risk associated with the received request.

Abstract: Various embodiments relate to a method and apparatus for building a pedigree for a disease based on a family tree, the method comprising the steps of receiving, by a pedigree service, a family health condition request, transmitting, by the pedigree service, a request for the family tree, transmitting, by the pedigree service, a data request for health conditions of relatives on the family tree to an access control system, verifying, by the access control system, consent of the relatives on the family tree, receiving, by the pedigree service, health conditions of the relatives from a health data storage and drawing, by the pedigree service, a pedigree for the disease based on the health conditions of the relatives.

Abstract: Embodiments of the present disclosure relate to digital rights management. A method for managing rights transfer of using digital content from a first device (120) to a second device (130) is proposed, comprising generating at an authentication device (110) a first authentication dataset C by encrypting a first verification code R1 using at least one public key for at least one device blacklisted by the authentication device (110). The first authentication dataset C and a second verification code R2 are provided from the authentication device 110 to the first device (120) and a response message M is returned from the second device (130) to the authentication device (110). The method also comprises verifying validity of the second device (130) at the authentication device (110) based on the received response message M. In accordance with embodiments of the present disclosure, the DRM protected digital content can be shared with high security, while the recipient is kept anonymous to the DRM server.

Abstract: Various embodiments relate to a method and apparatus for policy-hiding on ciphertext-policy attribute based encryption, the method including the steps of categorizing each of a plurality of attributes into a plurality of groups where each of the plurality of groups has a group attribute, inputting a policy and a message into an encryption algorithm and outputting a ciphertext; and encrypting an AND subtree in the policy and outputting a sub-cipher.

Abstract: Various embodiments relate to a method for health record audit verification, the method including the steps of creating an audit trail and sending the audit trail to a plurality of roles, computing, by each of the plurality of roles, a plurality of weighted credible numbers by multiplying a weighted credit by a total number of individuals for each of the plurality of roles, determining, by each of the plurality of roles, whether the sum of the plurality of weighted credible numbers is greater than a predetermined threshold and updating, by each of the plurality of roles, an audit trail chain on a Merkle tree.

Abstract: A method for assessing risk associated with a request from an inquirer for allele frequency from a database of genetic data, comprising: (i) generating an allele database comprising allele frequency information and request frequency information for each of a plurality of alleles; (ii) generating an inquirer database comprising allele request information about a plurality of inquirers; (iii) receiving a request for genetic data from an inquirer, comprising a request for allele frequency for one or more alleles and an identifier of the inquirer; (iv) updating the request frequency information based on the received request; (v) updating the allele request information for the requesting inquirer; (vi) calculating an allele risk score; (vii) calculating an inquirer risk score; and (viii) assessing, based on the allele risk score and the inquirer risk score, a risk associated with the received request.

Abstract: Embodiments of the present disclosure relate to digital rights management. A method for managing rights transfer of using digital content from a first device (120) to a second device (130) is proposed, comprising generating at an authentication device (110) a first authentication dataset C by encrypting a first verification code R1 using at least one public key for at least one device blacklisted by the authentication device (110). The first authentication dataset C and a second verification code R2 are provided from the authentication device 110 to the first device (120) and a response message M is returned from the second device (130) to the authentication device (110). The method also comprises verifying validity of the second device (130) at the authentication device (110) based on the received response message M. In accordance with embodiments of the present disclosure, the DRM protected digital content can be shared with high security, while the recipient is kept anonymous to the DRM server.