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Commercial cryptography, which protects information that is not a state secret. The law also states that there should be a "mechanism of both in-process and ex-post supervision on commercial cryptography, which combines routine supervision with random inspection" (implying that the Chinese government should get access to encrypted servers). [26]
In colloquial use, the term "code" is often used to mean any method of encryption or concealment of meaning. However, in cryptography, code has a more specific meaning: the replacement of a unit of plaintext (i.e., a meaningful word or phrase) with a code word (for example, "wallaby" replaces "attack at dawn"). A cypher, in contrast, is a ...
Kerckhoffs's principle (also called Kerckhoffs's desideratum, assumption, axiom, doctrine or law) of cryptography was stated by Dutch-born cryptographer Auguste Kerckhoffs in the 19th century. The principle holds that a cryptosystem should be secure, even if everything about the system, except the key , is public knowledge.
Cryptography allows digitals assets to be transacted and verified without the need for a trusted third party.
In cryptography, a certificate authority or certification authority (CA) is an entity that stores, signs, and issues digital certificates.A digital certificate certifies the ownership of a public key by the named subject of the certificate.
A proactive alternative to key disclosure law is key escrow law, where the government holds in escrow a copy of all cryptographic keys in use, but is only permitted to use them if an appropriate warrant is issued. Key escrow systems face difficult technical issues and are subject to many of the same criticisms as key disclosure law; they avoid ...
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The following outline is provided as an overview of and topical guide to cryptography: Cryptography (or cryptology) – practice and study of hiding information. Modern cryptography intersects the disciplines of mathematics, computer science, and engineering. Applications of cryptography include ATM cards, computer passwords, and electronic ...