Cryptographic implementation
A cryptographic implementation is a software or hardware realization of cryptographic algorithms, constructions, or protocols.
Real-World Cryptography
A cryptographic implementation is executable software that realizes a cryptographic algorithm, construction, or protocol.
- How it is used
- Guides developers toward safe, interoperable cryptographic software and away from unnecessary custom implementations.
- How deep it goes
- Explains implementation choice, standards, interfaces, and testing, but stops short of implementation-level code or formal verification details.
- Examples
- Uses AES, ECDSA, AES-GCM, Google’s Tink, libsodium, cryptography.io, and Wycheproof test vectors as concrete examples.
- What you can do after
- Diagnose implementation risk, select established libraries, read usage constraints, and test cryptographic code with relevant vectors.
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Hacking Cryptography
A software or hardware realization of cryptographic theory that performs cryptographic operations in a system.
- How it is used
- Deploys cryptographic algorithms as security mechanisms while emphasizing engineering failures and safer implementation choices.
- How deep it goes
- Connects implementation failures to randomness, side channels, control flow, memory, types, and atomicity, but does not develop each mechanism fully.
- Examples
- Uses the PlayStation 3 private-key failure, OpenSSL, TLS, and rainbow-table implementation as concrete engineering examples.
- What you can do after
- Apply cryptography via established implementations and diagnose common implementation weaknesses before deployment.
Read how Hacking Cryptography explains cryptographic implementation →
Related concepts
- cryptographic algorithmuses · A cryptographic algorithm is a mathematical procedure that transforms data or generates cryptographic values to provide security properties such as confidentiality, integrity, or authentication.
- cryptographic theoryuses · The mathematical foundations and security analyses underlying cryptographic algorithms and protocols.
- Goused by · Go is a statically typed, compiled, garbage-collected programming language with built-in support for concurrency.
- implementationincludes · An implementation is the concrete code, mechanisms, or artifacts that realize an abstract design, specification, algorithm, interface, or required behavior.
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