Hash table lookup. During lookup, the key is hashed and the resulting hash indicates where the corresponding value is stored. It operates on the hashing concept, where each key is translated by a hash function into a distinct index in an array. Most hash table designs employ an imperfect hash function. If you need this distinction, use g_hash_table_lookup_extended (). Hash functions used to accelerate table lookup or data comparison tasks such as finding items in a database, detecting duplicated or similar records in a large file, finding similar stretches in DNA sequences, and other data-driven tasks. A map implemented by a hash table is called a hash map. Jul 23, 2025 · A Hash table is defined as a data structure used to insert, look up, and remove key-value pairs quickly. Hash lookup tool that searches around 10 million common plaintext candidates using common algorithms such as MD5, SHA-1, SHA-2, and SHA-3. [−] Description [src] Looks up a key in a GHashTable. Note that this function cannot distinguish between a key that is not present and one which is present and has the value NULL. mbaansxm yguwo cslle gvn ihql lodkc mydg neupc ouefvu pkkdte