{"id":29588,"date":"2020-11-04T19:36:54","date_gmt":"2020-11-04T14:06:54","guid":{"rendered":"https:\/\/www.the-next-tech.com\/?p=29588"},"modified":"2020-11-04T19:37:24","modified_gmt":"2020-11-04T14:07:24","slug":"encryption-technologies-ensure-data-privacy","status":"publish","type":"post","link":"https:\/\/www.the-next-tech.com\/security\/encryption-technologies-ensure-data-privacy\/","title":{"rendered":"Encryption Technologies Ensure Data Privacy"},"content":{"rendered":"<p><span style=\"font-weight: 400\">Cryptography in digital networking is a vital tool for protecting sensitive information. It shapes means of countering the illegal copying of intellectual property data. <\/span><\/p>\n<p><span style=\"font-weight: 400\">Various encryption algorithms are used in the finance and business networks to protect against competitive intelligence.<\/span><\/p>\n<p><span style=\"font-weight: 400\">All links and servers in such systems are secured, i.e., they are processed according to one or another encryption algorithm. <\/span><\/p>\n<p><span style=\"font-weight: 400\">Interestingly, modern security software like Avira, Bitdefender, <a href=\"https:\/\/bestantiviruspro.org\/\" target=\"_blank\" rel=\"noopener\">Norton <\/a><\/span><span style=\"font-weight: 400\">has built-in cryptography components. <\/span><\/p>\n<p><span style=\"font-weight: 400\">They ensure mandatory transmitting encryption of communication links at the network level. However, how do they work? Let&#8217;s find out!<\/span><\/p>\n<h2><span style=\"font-weight: 400\">Cryptography Objectives<\/span><\/h2>\n<p><span style=\"font-weight: 400\">One may consider cryptography as an essential tool for securing confidential data from:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Fraudulent activity.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Intentional violation of integrity or full erasing.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Unauthorized reading.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Unwanted copying.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">The fundamental requirement for cryptographic protection is the principle of its equal strength. <\/span><\/p>\n<p><span style=\"font-weight: 400\">The concept is, if the security can be divided into elements, then each piece should be equally hacking resistant.<\/span><br \/>\n<span class=\"seethis_lik\"><span>Also read:<\/span> <a href=\"https:\/\/www.the-next-tech.com\/mobile-apps\/snapchat-planets\/\">Snapchat Planets: Order & Meaning Explained (Complete Guide!)<\/a><\/span>\n<h3><span style=\"font-weight: 400\">Principles of Use<\/span><\/h3>\n<p><span style=\"font-weight: 400\">There are several primary principles for applying cryptographic methods:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Encryption algorithms allow you to safely send data even if this happens in an unsafe environment (the Internet and<\/span><a href=\"https:\/\/www.the-next-tech.com\/business\/cloud-encryption-tips-for-businesses-infographic\/\"><span style=\"font-weight: 400\"> cloud encryption strategies<\/span><\/a><span style=\"font-weight: 400\">, as an example).<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Encryption algorithms are used to protect files containing sensitive information to minimize the possibility of unauthorized access.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Encoding technologies are used not only to guarantee privacy but also to safeguard data integrity.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Cryptography is a means of verifying the credibility of data and sources (we are talking about digital signatures and certificates).<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Algorithms, file formats, and key sizes may be freely available; however, the encryption method&#8217;s keys remain secret.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Cryptographic algorithms have made it possible to create a comprehensive information security system in large networks and information databases. <\/span><\/p>\n<p><span style=\"font-weight: 400\">The significant reason is that they are grounded in the public key distribution. The attribute of public-key cryptosystems is that they are built based on asymmetric encryption algorithms. <\/span><\/p>\n<p><span style=\"font-weight: 400\">This way, they use a much smaller number of keys for the exact number of users than a public key cryptosystem requires.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Today, there are many ready-made encryption algorithms with high cryptographic strength. <\/span><\/p>\n<p><span style=\"font-weight: 400\">The encryptor has to generate its unique key to add the necessary cryptographic qualities to the data. Both encryption and decryption stages require using this key.<\/span><\/p>\n<h3><span style=\"font-weight: 400\">Encryption algorithms<\/span><\/h3>\n<p><span style=\"font-weight: 400\">Nowadays, numerous encryption algorithms have significant resistance to cryptanalysis (cryptographic strength). Three are three groups of encryption designs:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Hash function algorithms.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Asymmetric algorithms.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Symmetric algorithms.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Hashing is transforming an initial information array of random length into a fixed-length bit string. <\/span><\/p>\n<p><span style=\"font-weight: 400\">There are many hash-function algorithms with different features like cryptographic strength, bit depth, computational complexity, etc.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Asymmetric systems are also named public-key cryptosystems. This is a <a href=\"https:\/\/www.the-next-tech.com\/business\/common-data-compliance-issues-businesses-face\/\">data encryption method when the public key<\/a> is shared over an open channel being not encrypted and used to verify an electronic signature and encrypt data. <\/span><\/p>\n<p><span style=\"font-weight: 400\">A second private key is necessary to use to decrypt and create an electronic signature.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Symmetric encryption requires using an identical key for both encryption and decryption. <\/span><\/p>\n<p><span style=\"font-weight: 400\">Two main requirements are applied to symmetric algorithms: the complete loss of all statistical regularities in the encryption object and missing linearity.<\/span><br \/>\n<span class=\"seethis_lik\"><span>Also read:<\/span> <a href=\"https:\/\/www.the-next-tech.com\/development\/11-best-ways-to-improve-personal-development-and-self-growth-and-its-benefit-on-our-life\/\">11 best ways to Improve Personal Development and Self-Growth and its Benefit on our Life<\/a><\/span>\n<h3><span style=\"font-weight: 400\">Certificates and their practical application<\/span><\/h3>\n<p><span style=\"font-weight: 400\">Certificates are generally used to exchange encrypted data over large networks. A public-key cryptosystem fixes the problem of sharing private keys between participants in a secure exchange. <\/span><\/p>\n<p><span style=\"font-weight: 400\">However, it does not solve the problem of trusting public keys. There is a potential for an attacker to replace the public key and hijack the information encrypted with this key. The next action of the hacker will be decoding data using its own secret key<\/span><\/p>\n<p><span style=\"font-weight: 400\">The idea of a certificate is to have a trusted third party. It involves two participants giving this actor information for safekeeping.<\/span><\/p>\n<p><span style=\"font-weight: 400\"> It is assumed that there are few such third parties, and all other users are aware of their public keys beforehand. Thus, a fraud of a third party public key is easily detected.<\/span><\/p>\n<h3><span style=\"font-weight: 400\">Certificate structure<\/span><\/h3>\n<p><span style=\"font-weight: 400\">The list of required and optional demands for a certificate is defined by the standards for its format (for example, PKCS12\/PFX or DER). Usually, a certificate includes the following tags:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">certificate duration (start and expiration date);<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">the name of its owner<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">information about the used encryption methods;<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">the number of public keys of the certificate owner;<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">name of certification authority;<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">the serial number of the certificate assigned by the certification authority;<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">a digital signature produced under a secret key method and backed by the authority granted by the owner<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400\">Certificate verification<\/span><\/h3>\n<p><span style=\"font-weight: 400\">The determination of the trust level to any user certificate usually derives from the certificate chain. <\/span><\/p>\n<p><span style=\"font-weight: 400\">Moreover, its primary component is the certificate of the certification authority maintained in the user&#8217;s secure personal certificate storage.<\/span><\/p>\n<p><span style=\"font-weight: 400\">The certificate chain verification procedure checks the link between the certificate owner&#8217;s name and its public key. <\/span><\/p>\n<p><span style=\"font-weight: 400\">It assumes that all valid chains start with certificates granted by a single trusted certification authority. <\/span><\/p>\n<p><span style=\"font-weight: 400\">Specific distribution and storage methods must be applied to ensure full trust in the public key of such a certificate.<\/span><\/p>\n<p><span style=\"font-weight: 400\">A public-key cryptographic structure using certificates enables the realization of genuinely secure systems using advanced technologies and <a href=\"https:\/\/www.the-next-tech.com\/future\/5g-and-iot-what-can-you-expect-in-2020\/\">data transmission networks<\/a>. <\/span><\/p>\n<p><span style=\"font-weight: 400\">Standardization in this sphere lets various applications interact using a single public key infrastructure.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cryptography in digital networking is a vital tool for protecting sensitive information. It shapes means of countering the illegal copying<\/p>\n","protected":false},"author":1700,"featured_media":29666,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[49],"tags":[],"_links":{"self":[{"href":"https:\/\/www.the-next-tech.com\/rest\/wp\/v2\/posts\/29588"}],"collection":[{"href":"https:\/\/www.the-next-tech.com\/rest\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.the-next-tech.com\/rest\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.the-next-tech.com\/rest\/wp\/v2\/users\/1700"}],"replies":[{"embeddable":true,"href":"https:\/\/www.the-next-tech.com\/rest\/wp\/v2\/comments?post=29588"}],"version-history":[{"count":4,"href":"https:\/\/www.the-next-tech.com\/rest\/wp\/v2\/posts\/29588\/revisions"}],"predecessor-version":[{"id":29707,"href":"https:\/\/www.the-next-tech.com\/rest\/wp\/v2\/posts\/29588\/revisions\/29707"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.the-next-tech.com\/rest\/wp\/v2\/media\/29666"}],"wp:attachment":[{"href":"https:\/\/www.the-next-tech.com\/rest\/wp\/v2\/media?parent=29588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.the-next-tech.com\/rest\/wp\/v2\/categories?post=29588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.the-next-tech.com\/rest\/wp\/v2\/tags?post=29588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}