Patent ID: 8769259

Claim:
A method for secure information sharing in a social network, comprising: receiving authorization to obtain at least one message including data D 1 , wherein the authorization is provided by a resource owner of the at least one message for a given user of the social network; receiving the at least one message; extracting a first ciphertext C i and a second ciphertext C D1 from the at least one message; decrypting the first ciphertext C i with a first key to obtain a random key K R ; and decrypting the second ciphertext C D1 using the random key K R to obtain the data D 1 ; wherein the first key is associated with an identity of the given user; and wherein the receiving authorization, receiving the at least one message, extracting, decrypting the first ciphertext and decrypting the second ciphertext are performed by at least one processing device comprising a processor coupled to a memory.