The present application discloses a data read and write method and a distributed storage system. A specific implementation of the method includes: receiving, from a client, by a shard server, a processing request on shard data, the processing request comprising a data identifier of the shard data; processing the processing request based on a hash table pre-loaded in a memory and indicating a correspondence between the data identifier of the shard data and a data index to obtain a processing result; and sending the processing result to the client.

Provided is a process that establishes user identities within a decentralized data store, like a blockchain. A user's mobile device may establish credential values within a trusted execution environment of the mobile device. Representations of those credentials may be generated on the mobile device and transmitted for storage in association with an identity of the user established on the blockchain. Similarly, one or more key-pairs may be generated or otherwise used by the mobile device for signatures and signature verification. Private keys may remain resident on the device (or known and input by the user) while corresponding public keys may be stored in associated with the user identity on the blockchain. A private key is used to sign representations of credentials and other values as a proof of knowledge of the private key and credential values for authentication of the user to the user identity on the blockchain.

A method for a neural network includes receiving an input from a vector of inputs, determining a table index based on the input, and retrieving a hash table from a plurality of hash tables, wherein the hash table corresponds to the table index. The method also includes determining an entry index of the hash table based on an index matrix, wherein the index matrix includes one or more index values, and each of the one or more index values corresponds to a vector in the hash table and determining an entry value in the hash table corresponding to the entry index. The method also includes determining a value index, wherein the vector in the hash table includes one or more entry values, and wherein the value index corresponds to one of the one or more entry values in the vector and determining a layer response.

A system and method for compression and encryption of data includes creating a plurality of hash table keys by applying a bit mask to an encryption key, applying a hashing function to the encryption key, creating a hash table using the hashing function, the hash table including the plurality of hash table keys and index values, the index values each identifying a location of data in the hash table connected to one of the plurality of hash table keys, receiving input data, and encoding the input data to generate encoded data, the encoding including both compression and encryption of the input data using the encryption key and the hash table.

In one implementation, a method includes receiving data characterizing a hierarchical dataset associated with hierarchical industrial assets. The hierarchical dataset can include a plurality of node data that can include a plurality of asset data and a plurality of edge data. An edge datum of the plurality of edge data is indicative of a relation between a pair of node data of the plurality of node data. Each node datum of the plurality of node data represents an asset in the hierarchical industrial asset and each edge datum of the plurality of edge data represents an edge in the hierarchical industrial asset. The method further includes receiving data characterizing a partition identifier associated with the hierarchical dataset can be received. The method also includes assigning, based on the partition identifier, a partition of a database to the hierarchical dataset. The method further includes storing the hierarchical dataset in the assigned partition.

Provided is a system and method for searching for a target key in a database, the method including populating a hash-offset table of a sorted key table with hash-offset table entries, the hash-offset table entries having a hash-value corresponding to a respective key, and a hash offset, sorting the hash-offset table entries based on the hash-values, searching for a target hash-value of the hash-values corresponding to a target key in the hash-offset table, locating a target key-value pair corresponding to the target key based on the target hash-value, and saving a location of the target key-value pair.

Systems and methods for instruction decoding using hash tables. An example method of constructing a decoding tree comprises: generating an aggregated vector of differentiating bit scores representing at least a subset of a set of processor instructions; identifying, based on the aggregated vector of differentiating bit scores, one or more opcode bit positions; and constructing a hash table implementing a current level of a decoding tree representing the subset of the set of processor instructions, wherein the hash table is indexed by one or more opcode bits identified by the one or more opcode bit positions.

A system enables entities to access a single platform in order to utilize electronic data storage for storing different types of information. One or more computers may operate an electronic data storage processing network that entities can access when updating information in electronic data storage. The electronic data storage processing network may operate a plurality of electronic data storage processing modules, which can include an aggregator module, a formatter module, an operator signer module, and a validator module. Based on the specific use case for which electronic data storage is utilized, recordable data that is to be added to the electronic data storage can be processed by the appropriate aggregating, formatting, signing, and validating functions provided by the electronic data storage processing modules.

An index associates fingerprints of file segments to container numbers of containers within which the file segments are stored. At a start of migration, a boundary is created identifying a current container number. At least a subset of file segments at a source storage tier are packed into a new container to be written to a destination storage tier. A new container number is generated for the new container. The index is updated to associate fingerprints of the at least subset of file segments to the new container number. A request is received to read a file segment. The index is queried with a fingerprint of the file segment to determine whether the request should be directed to the source or destination storage tier based on a container number of a container within which the file segment is stored.

Technologies for switching network traffic include a network switch. The network switch includes one or more processors and communication circuitry coupled to the one or more processors. The communication circuitry is capable of switching network traffic of multiple link layer protocols. Additionally, the network switch includes one or more memory devices storing instructions that, when executed, cause the network switch to receive, with the communication circuitry through an optical connection, network traffic to be forwarded, and determine a link layer protocol of the received network traffic. The instructions additionally cause the network switch to forward the network traffic as a function of the determined link layer protocol. Other embodiments are also described and claimed.