Hash Query Functions

Functions for creating or validating string hashes.

Table: Event & Hash Query Functions

FunctionDefault ArgumentAvailabilityDescription
base64Decode([as], [charset], field)field  Performs Base64 decoding of a field.
hash([as], field, [limit], [seed])field  Computes a non-cryptographic hash of a list of fields.
hashMatch([bits], [field], [hash], input, [salt])input  Calculates a secure hash of a field and uses it to match events as a filter.
hashRewrite([as], [bits], field, [hash], [replaceInRawstring], salt)field  Calculates a secure hash of a field for storing in the event.
tokenHash([as], field)field  Calculates a structure hash which is equal for similarly structured input.