Theory of cryptography

Garbled circuit

Garbled circuit is a cryptographic protocol that enables two-party secure computation in which two mistrusting parties can jointly evaluate a function over their private inputs without the presence of a trusted third party. In the garbled circuit protocol, the function has to be described as a Boolean circuit. The history of garbled circuits is complicated. The invention of garbled circuit was credited to Andrew Yao, as Yao introduced the idea in the oral presentation of a paper in FOCS'86. This was documented by Oded Goldreich in 2003. The first written document about this technique was by Goldreich, Micali, andWigderson in STOC'87. The term "garbled circuit" was first used by Beaver, Micali, and Rogaway in STOC'90. Yao's protocol solving Yao's Millionaires' Problem was the beginning example of secure computation, yet it is not directly related to garbled circuits. (Wikipedia).

Garbled circuit
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Related pages

Boolean circuit | Carry flag | Secure multi-party computation | AND gate | Security parameter | Oblivious transfer | Adder–subtractor | Boolean data type | Logic gate | Cryptographic hash function | Cryptography | RSA (cryptosystem) | Random oracle | SHA-2 | Function (mathematics) | Truth table | Concatenation | Advanced Encryption Standard | Bitwise operation | String (computer science)