{"id":769,"date":"2021-01-17T05:39:25","date_gmt":"2021-01-16T18:05:50","guid":{"rendered":"https:\/\/exampracticetests.com\/ISC\/SSCP\/systems-security-certified-practitioner-sscp-question0761\/"},"modified":"2021-01-17T05:44:39","modified_gmt":"2021-01-17T05:44:39","slug":"systems-security-certified-practitioner-sscp-question0761","status":"publish","type":"post","link":"https:\/\/exampracticetests.com\/ISC\/SSCP\/systems-security-certified-practitioner-sscp-question0761\/","title":{"rendered":"Systems Security Certified Practitioner &#8211; SSCP &#8211; Question0761"},"content":{"rendered":"<div class=\"question\">Which of the following was not designed to be a proprietary encryption algorithm? <br \/><strong><br \/>A.<\/strong> RC2<br \/><strong>B.<\/strong> RC4 <br \/><strong>C.<\/strong> Blowfish <br \/><strong>D.<\/strong> Skipjack<\/div>\n<p><\/p>\n<style> .hidden-div{ display:none } <\/style>\n<p>\t\t\t\t\t\t\t<button onclick=\"getElementById('hidden-div').style.display = 'block'\"> Show Answer <\/button> <button onclick=\"getElementById('hidden-div').style.display = 'none'\">Hide Answer<\/button><\/p>\n<div class=\"hidden-div\" id=\"hidden-div\"><span style=\"\"><\/p>\n<div class=\"answer\">Correct Answer: <strong>C<\/strong><\/div>\n<p><strong>Explanation:<\/strong> <\/p>\n<div class=\"explanation\">\nBlowfish is a symmetric block cipher with variable-length key (32 to 448 bits) designed in 1993 by Bruce Schneier as an unpatented, license-free, royalty-free replacement for DES or IDEA. See attributes below: Block cipher: 64-bit block<br \/>\nVariable key length: 32 bits to 448 bits<br \/>\nDesigned by Bruce Schneier<br \/>\nMuch faster than DES and IDEA<br \/>\nUnpatented and royalty-free<br \/>\nNo license required<br \/>\nFree source code available<br \/>\nRivest Cipher #2 (RC2) is a proprietary, variable-key-length block cipher invented by Ron Rivest for RSA Data Security, Inc.<br \/>\nRivest Cipher #4 (RC4) is a proprietary, variable-key-length stream cipher invented by Ron Rivest for RSA Data Security, Inc. The Skipjack algorithm is a Type II block cipher [NIST] with a block size of 64 bits and a key size of 80 bits that was developed by NSA and formerly classified at the U.S. Department of Defense &#8220;Secret&#8221; level. The NSA announced on June 23, 1998, that Skipjack had been declassified.<br \/>\nReferences: RSA Laboratories <a href=\"http:\/\/www.rsa.com\/rsalabs\/node.asp?id=2250\" title=\"External link\" rel=\"nofollow noopener\" target=\"_blank\">http:\/\/www.rsa.com\/rsalabs\/node.asp?id=2250<\/a><br \/>\nRFC 2828 -Internet Security Glossary <a href=\"http:\/\/www.faqs.org\/rfcs\/rfc2828.html\" title=\"External link\" rel=\"nofollow noopener\" target=\"_blank\">http:\/\/www.faqs.org\/rfcs\/rfc2828.html<\/a><\/div>\n<p><\/strong><\/span> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following was not designed to be a proprietary encryption algorithm? A. RC2B. RC4 C. Blowfish D. Skipjack Show Answer Hide Answer Correct Answer: C Explanation: Blowfish is a symmetric block cipher with variable-length key (32 to 448 bits) designed in 1993 by Bruce Schneier as an unpatented, license-free, royalty-free replacement for DES [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[1078,764,3],"class_list":["post-769","post","type-post","status-publish","format-standard","hentry","category-systems-security-certified-practitioner-sscp","tag-choices","tag-question-0761","tag-systems-security-certified-practitioner-sscp"],"_links":{"self":[{"href":"https:\/\/exampracticetests.com\/ISC\/SSCP\/wp-json\/wp\/v2\/posts\/769","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exampracticetests.com\/ISC\/SSCP\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exampracticetests.com\/ISC\/SSCP\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exampracticetests.com\/ISC\/SSCP\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exampracticetests.com\/ISC\/SSCP\/wp-json\/wp\/v2\/comments?post=769"}],"version-history":[{"count":1,"href":"https:\/\/exampracticetests.com\/ISC\/SSCP\/wp-json\/wp\/v2\/posts\/769\/revisions"}],"predecessor-version":[{"id":1845,"href":"https:\/\/exampracticetests.com\/ISC\/SSCP\/wp-json\/wp\/v2\/posts\/769\/revisions\/1845"}],"wp:attachment":[{"href":"https:\/\/exampracticetests.com\/ISC\/SSCP\/wp-json\/wp\/v2\/media?parent=769"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exampracticetests.com\/ISC\/SSCP\/wp-json\/wp\/v2\/categories?post=769"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exampracticetests.com\/ISC\/SSCP\/wp-json\/wp\/v2\/tags?post=769"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}