Chris Hill-Scott 19ad11e383 Don’t repeat digits in security codes ...

People with dyslexia and dyscalculia find it difficult to transpose
codes which have consecutive, repeated digits[1].

This commits enhances the algorithm for generating codes to not repeat
the previous digit in a code.

This reduces the key space for our codes from 100,000 possibilities to
65,610 possibilities.

1. https://twitter.com/annaecook/status/1442567679710150662

2021-09-30 10:24:17 +01:00

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