Encryption Security Pattern Encrypt a message (data elements and/or action requests) to ensure its confidentiality with respect to entities that do not possess the correct decryption key. Core Components | Role | Type | Responsibility | |------|------|----------------| | EntityA | Entity | Wants to encrypt one or more data elements and/or action requests | | EntityB | Entity | Wants to decrypt received ciphertext (may be same as EntityA) | | Encrypter | Cryptographic Primitive | Library providing encryption action | | Decrypter | Cryptographic Primitive | Library providing decryption action |…