Efficient Single-Round Obfuscation of Search and Result Patterns in Searchable Encryption

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Searchable Symmetric Encryption (SSE) enables data owners to securely store encrypted data on untrusted cloud servers while retaining the ability to perform secure searches and retrieve relevant documents. However, standard SSE schemes expose search patterns (whether two queries are identical), and result patterns (which documents are returned), making them susceptible to leakage-abuse attacks that can infer sensitive information such as the queried keywords and/or document contents. While Obliv