Home›Cryptographic attacks›index of coincidence🌐EnglishEnglishDeutschEspañolFrançaisTiếng ViệtРусскийالعربيةEntityQ925177· pop 9· linked from 73 articlesindex of coincidenceAlso known as coincidence counting, ICHow often identical letters appear in the same position in two textsAvailable in 9 languagesEspañolFrançaisDeutschРусскийالعربيةHungarianTiếng ViệtUkrainianvia Wikidata sitelinks · CC0ConnectionstelegraphyEntityencryptionEntityCategoriesCryptographic attacksSummary statistics for contingency tables