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Explore a comprehensive presentation on privacy and access control for outsourced personal records delivered at the 2015 IEEE Symposium on Security & Privacy. Delve into the GORAM cryptographic system, designed to protect the secrecy and integrity of cloud-stored data from both untrusted servers and malicious clients. Discover how GORAM ensures anonymity and unlinkability of data access while allowing data owners to selectively grant read and write permissions to other clients. Learn about innovative cryptographic techniques, including batched zero-knowledge proofs of shuffle and an accountability method using chameleon signatures. Examine the implementation of GORAM in Amazon EC2 and its performance evaluation, demonstrating the system's scalability and efficiency in addressing critical security and privacy concerns in sensitive applications such as personal health records and credit score systems.
