Definition ∞ Cryptographic theory is the mathematical study of secure communication methods in the presence of adversaries. It provides the foundational principles for designing and analyzing encryption algorithms and protocols. This field is essential for ensuring the confidentiality, integrity, and authenticity of digital information.
Context ∞ Contemporary discussions in cryptographic theory are heavily influenced by the advent of quantum computing and its potential to break current encryption standards. Research is actively pursuing the development of post-quantum cryptographic algorithms that can withstand such advanced computational threats. The security of digital assets and sensitive data relies on the ongoing evolution of this theoretical domain.
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