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Cryptography Fundamentals: Symmetric, Asymmetric, One-Way Functions, Hashing, and Digital Signatures
Application 2026-06-25

Cryptography Fundamentals: Symmetric, Asymmetric, One-Way Functions, Hashing, and Digital Signatures

From symmetric versus asymmetric encryption to the one-way and trapdoor functions behind RSA and ECC, plus hash functions and digital signatures, this article explains the building blocks of cryptography with primary sources. Part 1 of a three-part series that groups public-key uses into signing, encryption, and key exchange.

#Encryption#Public Key Cryptography#Digital Signature#Hashing#RSA#Security