ORAM Meaning and
Definition
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ORAM stands for Oblivious Random Access Memory. It is a cryptographic primitive that allows for secure data storage and retrieval in a manner that hides the access pattern of the data. This technique ensures that the data access patterns are not leaked to an external observer, even if they have access to the memory itself.
ORAM is designed to provide confidentiality and privacy guarantees, particularly in cloud environments where data is often accessed remotely. It achieves this by obscuring the relationship between the data and its access pattern. The basic idea is to introduce a layer of indirection between the data and its storage location, such that the sequence in which the data is accessed remains hidden.
Each access to an ORAM consists of multiple round trips between the client and the server, where the client uploads and downloads blocks of data. The server, which does not have knowledge of the access pattern, shuffles the blocks to ensure that it cannot determine the requested block's position. This process is repeated every time a new block is accessed, further obfuscating the access pattern.
ORAM is widely used in the field of secure computation, as it preserves privacy and prevents adversaries from extracting information by analyzing data access patterns. It provides a means to securely store and query data while ensuring that even when an attacker has access to the underlying memory, they cannot deduce the specific operations performed on the data.
Common Misspellings for ORAM
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Similar spelling words for ORAM
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