External Initialization Vector (EIV)

The External Initialization Vector (EIV) feature offers an additional level of security. It allows for different tokenized results across protectors for the same input data and token element. The tokenized results are based on the External IV setting on each protector.

Tokenization Model with External IV

An example explains how the tokenization is performed with the External IV.

External IV Tokenization Properties

The External IV is supported by all token types, except Datetime and Decimal tokens.


Last modified : August 20, 2025