Constructive side channel analysis and secure design : 14th International Workshop COSADE 2023 Munich Germany April 3 4 2023 : proceedings This book constitutes the refereed proceedings of the 14th International Workshop on Constructive Side Channel Analysis and Secure Design COSADE 2023 held in Munich Germany during April 3 4 2023. The 12 full papers included in this book were carefully reviewed and selected from 28 submissions. They were organized in topical sections as follows: fault injection analyses and countermeasures; side channel analyses and countermeasures; attacks on PQC and countermeasure; and analyses and tools