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Carvalho1988 (talk | contribs) Removed the template. The article never read like a personal reflection and the technical content is very elementary in nature and not too technical as suggested by the template |
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[[Digital signature]]s are a means to protect [[Digital data|digital information]] from intentional modification and to authenticate the source of digital information. [[Public key cryptography]] provides a rich set of different cryptographic algorithms the create digital signatures. However, the primary public key signatures currently in use ([[RSA (cryptosystem)|RSA]] and [[Elliptic Curve Digital Signature Algorithm|Elliptic Curve Signatures)]] will become completely insecure if scientists are ever able to build a moderately sized [[quantum computer]].<ref name=":2">{{Cite web|title = ETSI - Quantum-Safe Cryptography|url = http://www.etsi.org/technologies-clusters/technologies/quantum-safe-cryptography|website = ETSI|accessdate = 2015-07-05|first = Sabine|last = Dahmen-Lhuissier}}</ref> [[Post-quantum cryptography|Post quantum cryptography]] is a class of cryptographic algorithms designed to be resistant to attack by a quantum cryptography. Several post quantum digital signature algorithms based on hard problems in lattices are being created replace the commonly used [[RSA (cryptosystem)|RSA]] and elliptic curve signatures. A subset of these lattice based scheme are based on a problem known as [[Ring learning with errors]]. Ring learning with errors based digital signatures are among the post quantum signatures with the smallest public key and signature sizes
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