Signcryption is a cryptographic primitive that combines the functionality of digital signatures and encryption into a single process. It allows a sender to simultaneously encrypt a message and generate a signature for that message in a way that is more efficient than performing each operation separately. ### Key Features of Signcryption: 1. **Efficiency**: Signcryption typically reduces the computational resources and time required for both signing and encrypting a message, making it a more efficient alternative to separately signing and then encrypting a message.
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