On Feb. 2019, NIST published [SP 800-38G Rev. 1](https://csrc.nist.gov/publications/detail/sp/800-38g/rev-1/draft), which requires domain size for FF1 to be at least 1 million, whereas currently is 100. https://github.com/idealista/format-preserving-encryption-java/blob/158a55890d0e0dbfe3825023d104e278cca0e96b/src/main/java/com/idealista/fpe/builder/validate/BuildValidator.java#L7
On Feb. 2019, NIST published SP 800-38G Rev. 1, which requires domain size for FF1 to be at least 1 million, whereas currently is 100.
format-preserving-encryption-java/src/main/java/com/idealista/fpe/builder/validate/BuildValidator.java
Line 7 in 158a558