function getStudent () public;

event student(
    bytes32 firstNameName,
    bytes32 lastName,
    bytes32 Studies,
    uint age,
    uint DateOfBirth,
    bytes32 ipfs_hash
    );

function checkStudentExists() public constant returns (bool) {
    if (student == firstName && student == lastName) return true;
}

function setIPFSHash(bytes32 _ipfs_hash) public onlyOwnerOrStudent {
    ipfs_hash = _ipfs_hash;
}