EntityQ720931· pop 20· linked from 79 articlesone-way functionSign in to savefunction that is easy to compute on every input, but hard to invert given the image of a random inputConnectionstrapdoor functionEntitycomputer scienceEntityInternational Standard Book NumberEntityfunctionEntitytelecommunicationsEntityWayback MachineEntitycryptographyEntitydigital object identifierEntitygroupEntitye-commerceEntityfieldEntityinverse functionEntityQ118398EntitybijectionEntityinjectionEntityabelian groupEntitymodular arithmeticEntitycardinalityEntityauthenticationEntityidentity documentEntityCategoriesCryptographic primitivesUnsolved problems in computer science