Problem 44961. RSA decryption

Created by David Hill

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","targetMode":"","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","targetMode":"","relationshipId":"rId2","target":"/matlab/output.xml"}],"parts":[{"partUri":"/matlab/document.xml","relationship":[],"contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Decrypt a large integer string using RSA decryption given the public key (n) and private key (d). Convert the large integer decryption into an output message string with UTF-8 representation.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Example:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[ encrypted_message = '158037161019988039882393476857386648994978438821991287680442802412825849535544067751541256843540494019';%input\nn='418336393847020647250825879743341651032293545176800777981294580200903315345456262337972725306797613061';%input\nd='8444986024072025211908427894173383040354675378319105204646840203847580180874615752845913488969020869';%input\ndecrypted_message = 'I like to swim!';%output]]></w:t></w:r></w:p></w:body></w:document>"},{"partUri":"/matlab/output.xml","contentType":"text/xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?><embeddedOutputs><metaData><evaluationState>manual</evaluationState><layoutState>code</layoutState><outputStatus>ready</outputStatus></metaData><outputArray type=\"array\"/><regionArray type=\"array\"/></embeddedOutputs>"}]}

Solve

Solution Stats

3 Solutions
3 Solvers

Last Solution submitted on Sep 08, 2019

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

William on 8 Sep 2019

David -- Good problem. I got sidetracked by the fact that the arguments 'd' and 'n' in the solution template are reversed from the order that they are provided in the test problems.

David Hill on 8 Sep 2019

Sorry, I did not mean to do that. Fixed.

Problem Recent Solvers3

Problem Tags

cryptography rsa decryption

Problem 44961. RSA decryption

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers3

Suggested Problems

More from this Author18

Problem Tags

Problem 44961. RSA decryption

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers3

Suggested Problems

More from this Author18

Problem Tags

Players