Systems, methods, and computer program products for data security store, in memory, a plurality of ciphers in association with a plurality of public keys, the plurality of ciphers including a plurality of secret keys encrypted with a key encryption key, and the plurality of secret keys corresponding to the plurality of public keys; receive, a data chunk for encryption; generate, a data encryption key based on a hash function, a public key of the plurality of public keys, and a random number; encrypt, the data chunk with the data encryption key to generate an encrypted data chunk; generate, a header including a cipher of the plurality of ciphers corresponding to the public key of the plurality of public keys and key encapsulation data; and store, in a database, a cipher text including the header and the encrypted data chunk.