MedicineAnatomyNeuroscienceCellular NeuroscienceDevelopmental NeuroscienceNeuroanatomyCerebral Cortex AnatomyCerebrovascular AnatomyNeural DevelopmentRodent AnatomyCapillary AnatomyCerebral Capillary NetworkCerebral Cortex LaminationCerebral VesselsLaminar Organization AnalysisMorphometric AnalysisQuantitative Image AnalysisRodent Brain Anatomy
In this paper we consider the problem of encrypting messages containing characters from small, usually non-binary alphabets by means of binary encryption algorithms. It is shown that the solutions as proposed by ISO-10126 can be improved with respect to the expansion factor and, more importantly, with respect to the cryptographic security. Also, a method is presented which is optimal in this sense, i.e. no expansion and optimal cryptographic security.