Taxonomy of cryptographic primitives Arbitrary length hash functions Unkeyed Primitives One-way permutations Random sequences Block ciphers Symmetric-key ciphers Stream Arbitrary length hash functions(MACs) ciphers Security Symmetric-keyl Primitives Primitives Signatures Pseudorandom sequences Identification primitives Public-key ciphers Public-key Primitives Signatures Identification primitivesTaxonomy of cryptographic primitives. Arbitrary length hash functions One-way permutations Random sequences Symmetric-key ciphers Arbitrary length hash functions(MACs) Signatures Pseudorandom sequences Identification primitives Public-key ciphers Signatures Identification primitives Unkeyed Primitives Symmetric-key Primitives Public-key Primitives Security Primitives Block ciphers Stream ciphers