This book constitutes the refereed proceedings of the 10th International Conference on the Theory and Application of Cryptographic Techniques in Africa, AFRICACRYPT 2018, held in Marrakesh, Morocco, in May 2018. AFRICACRYPT is a major scientific event that seeks to advance and promote the field of cryptology on the African continent.

A Complete Characterization of Plateaued Boolean Functions in Terms of Their Cayley Graphs.- Chameleon-Hashes with Dual Long-Term Trapdoors and Their Applications.- Ubiquitous Weak-key Classes of BRW-polynomial Function.- Lightweight MDS Serial-type Matrices with Minimal Fixed XOR Count.- Two Simple Composition Theorems with H-coefficients.- Improved Related-Tweakey Boomerang Attacks on Deoxys-BC.- SCA-Resistance for AES: How Cheap Can We Go.- Cryptanalysis of 1-Round KECCAK.- Performing Computations on Hierarchically Shared Secrets.- Development of a Dual Version of DeepBKZ and Its Application to Solving the LWE Challenge.- Unified Formulas for Some Deterministic Almost-injective Encodings into Hyperelliptic Curves.- HILA5 Pindakaas: On the CCA security of lattice-based encryption with error correction.- Large FHE Gates from Tensored Homomorphic Accumulator.- Two-Face: New Public Key Multivariate Schemes.- Cryptanalysis of RSA Variants with Modidied Euler Quotient.- Saber: Module-LWR Based Key Exchange, CPA-secure Encryption and CCA-secure KEM.- Practical Fault Injection on Deterministic Signatures: The Case of EdDSA.- Authentication with Weaker Trust Assumptions for Voting Systems.- Shorter Double-authentication Preventing Signatures for Small Address Spaces.