Made things functional, decrypt still doesn't work
This commit is contained in:
Luke Ogburn
17
decrypt.php
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17
decrypt.php
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset=utf-8>
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<title>Decrypt file</title>
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<meta name=viewport content=width=device-width,initial-scale=1.0>
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<link rel=stylesheet href=style.css type=text/css>
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</head>
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<body>
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<form action=decryptFunc.php method=POST enctype=multipart/form-data>
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<!--<input type=file name=doc accept=.txt >-->
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<textarea placeholder="Paste your encrypted file's contents here" name=words></textarea>
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<input type=text name=key placeholder='Decryption key'>
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<button type=submit name=submit value=submit id=submitWriting>SUBMIT</button>
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</form>
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</body>
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</html>
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30
decryptFunc.php
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30
decryptFunc.php
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<?php
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require "enc.php";
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$data = $_POST["words"];
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//Get the key
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$key = $_POST["key"];
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echo "key is $key <br>";
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//Get the IV
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preg_match('#(?<=(<iv>))(.*?)(<\/iv>)#', $data, $ivArr);
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$iv = $ivArr[0];
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$iv = substr($iv, 0, strlen("</content>"));
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echo "iv is $iv <br>";
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//Get the tag
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preg_match('#(?<=(<tag>))(.*?)(<\/tag>)#', $data, $tagArr);
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$tag = bin2hex($tagArr[0]);
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$tag = substr($tag, 0, strlen("</tag>"));
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echo "tag is $tag <br>";
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//Get the ciphertext
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preg_match('#(?<=(<content>))(.*?)(<\/content>)#', $data, $ctArr);
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$ciphertext = $ctArr[0];
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$ciphertext = substr($ciphertext, 0, strlen("</content>"));
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echo "text is $ciphertext <br>";
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$content = decrypt($ciphertext, $key, $iv, $tag);
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echo "content is:<br>"; var_dump($content);
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?>
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59
error_log
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59
error_log
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[08-Apr-2019 22:38:51 America/New_York] PHP Notice: Undefined variable: current_key in /home/lukeuxao/public_html/cs/submit.php on line 3
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[08-Apr-2019 22:38:51 America/New_York] PHP Notice: Undefined offset: 3 in /home/lukeuxao/public_html/cs/submit.php on line 4
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[08-Apr-2019 22:41:11 America/New_York] PHP Notice: Undefined offset: 3 in /home/lukeuxao/public_html/cs/submit.php on line 4
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[08-Apr-2019 22:41:25 America/New_York] PHP Notice: Undefined index: doc in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:41:25 America/New_York] PHP Warning: fopen(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:42:00 America/New_York] PHP Notice: Undefined index: uploadFile in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:42:00 America/New_York] PHP Warning: fopen(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:42:28 America/New_York] PHP Notice: Undefined index: uploadFile in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:42:28 America/New_York] PHP Warning: fopen(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:42:53 America/New_York] PHP Notice: Undefined index: uploadFile in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:42:53 America/New_York] PHP Warning: fopen(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:43:33 America/New_York] PHP Notice: Undefined index: uploadFile in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:43:33 America/New_York] PHP Warning: fopen(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:43:33 America/New_York] PHP Notice: Undefined index: file in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:44:04 America/New_York] PHP Notice: Undefined index: uploadFile in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:44:04 America/New_York] PHP Warning: fopen(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:44:04 America/New_York] PHP Notice: Undefined index: encrypted.txt in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:44:13 America/New_York] PHP Notice: Undefined index: uploadFile in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:44:13 America/New_York] PHP Warning: fopen(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:44:13 America/New_York] PHP Notice: Undefined index: encrypted in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:45:21 America/New_York] PHP Notice: Undefined index: uploadFile in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:45:21 America/New_York] PHP Warning: fopen(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:45:21 America/New_York] PHP Notice: Undefined index: upload_file in /home/lukeuxao/public_html/cs/decryptFunc.php on line 5
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[08-Apr-2019 22:45:21 America/New_York] PHP Warning: file_get_contents(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 5
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[08-Apr-2019 22:47:24 America/New_York] PHP Notice: Undefined index: uploadFile in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:47:24 America/New_York] PHP Warning: fopen(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:47:24 America/New_York] PHP Notice: Undefined index: upload_file in /home/lukeuxao/public_html/cs/decryptFunc.php on line 5
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[08-Apr-2019 22:47:24 America/New_York] PHP Warning: file_get_contents(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 5
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[08-Apr-2019 22:47:43 America/New_York] PHP Notice: Undefined index: uploadFile in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:47:43 America/New_York] PHP Warning: fopen(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:48:15 America/New_York] PHP Notice: Undefined index: uploadFile in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:48:15 America/New_York] PHP Warning: fopen(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 22:48:15 America/New_York] PHP Notice: Undefined index: doc in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:48:15 America/New_York] PHP Warning: file_get_contents(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:51:00 America/New_York] PHP Notice: Undefined index: doc in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:51:00 America/New_York] PHP Warning: file_get_contents(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:51:03 America/New_York] PHP Notice: Undefined index: doc in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:51:03 America/New_York] PHP Warning: file_get_contents(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:51:07 America/New_York] PHP Notice: Undefined index: doc in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:51:07 America/New_York] PHP Warning: file_get_contents(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:53:04 America/New_York] PHP Notice: Undefined index: doc in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:53:04 America/New_York] PHP Warning: file_get_contents(): Filename cannot be empty in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 22:55:21 America/New_York] PHP Notice: Undefined index: doc in /home/lukeuxao/public_html/cs/decryptFunc.php on line 4
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[08-Apr-2019 23:01:42 America/New_York] PHP Notice: Undefined offset: 3 in /home/lukeuxao/public_html/cs/submit.php on line 4
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[08-Apr-2019 23:01:50 America/New_York] PHP Notice: Undefined offset: 3 in /home/lukeuxao/public_html/cs/submit.php on line 4
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[08-Apr-2019 23:04:28 America/New_York] PHP Warning: openssl_decrypt(): Setting tag for AEAD cipher decryption failed in /home/lukeuxao/public_html/cs/enc.php on line 14
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[08-Apr-2019 23:04:33 America/New_York] PHP Warning: openssl_decrypt(): Setting tag for AEAD cipher decryption failed in /home/lukeuxao/public_html/cs/enc.php on line 14
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[08-Apr-2019 23:04:42 America/New_York] PHP Warning: openssl_decrypt(): Setting tag for AEAD cipher decryption failed in /home/lukeuxao/public_html/cs/enc.php on line 14
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[08-Apr-2019 23:05:07 America/New_York] PHP Warning: openssl_decrypt(): Setting tag for AEAD cipher decryption failed in /home/lukeuxao/public_html/cs/enc.php on line 14
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[08-Apr-2019 23:05:23 America/New_York] PHP Warning: openssl_decrypt(): Setting tag for AEAD cipher decryption failed in /home/lukeuxao/public_html/cs/enc.php on line 14
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[08-Apr-2019 23:13:43 America/New_York] PHP Notice: Undefined variable: iv in /home/lukeuxao/public_html/cs/decryptFunc.php on line 13
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[08-Apr-2019 23:13:43 America/New_York] PHP Notice: Undefined variable: iv in /home/lukeuxao/public_html/cs/decryptFunc.php on line 25
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[08-Apr-2019 23:13:43 America/New_York] PHP Warning: openssl_decrypt(): Setting of IV length for AEAD mode failed in /home/lukeuxao/public_html/cs/enc.php on line 14
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[08-Apr-2019 23:14:25 America/New_York] PHP Notice: Undefined index: words in /home/lukeuxao/public_html/cs/decryptFunc.php on line 3
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[08-Apr-2019 23:14:25 America/New_York] PHP Notice: Undefined index: key in /home/lukeuxao/public_html/cs/decryptFunc.php on line 6
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[08-Apr-2019 23:14:25 America/New_York] PHP Notice: Undefined offset: 0 in /home/lukeuxao/public_html/cs/decryptFunc.php on line 11
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[08-Apr-2019 23:14:25 America/New_York] PHP Notice: Undefined offset: 0 in /home/lukeuxao/public_html/cs/decryptFunc.php on line 16
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[08-Apr-2019 23:14:25 America/New_York] PHP Notice: Undefined offset: 0 in /home/lukeuxao/public_html/cs/decryptFunc.php on line 21
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[08-Apr-2019 23:14:25 America/New_York] PHP Warning: openssl_decrypt(): Setting of IV length for AEAD mode failed in /home/lukeuxao/public_html/cs/enc.php on line 14
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25
index.php
25
index.php
@@ -3,34 +3,23 @@
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<head>
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<meta charset=utf-8>
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<title>Encrytion and stuff</title>
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<meta name="viewport" content=width=device-width,initial-scale=1.0>
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<link rel=stylesheet href=write.css type=text/css>
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<meta name=viewport content=width=device-width,initial-scale=1.0>
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<link rel=stylesheet href=style.css type=text/css>
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</head>
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<body>
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<script>
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function wordCount(thing) {
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regex = /(\S\s)|(([A-Z]|[a-z])(\.|\!|\?|\z))/;
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numOfParenthesis = 5; //how many par. sets are in the regex
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wordsLeft = 500-((thing.value.split(regex).length-1)/numOfParenthesis);
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//if(wordsLeft<0){
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// wordsLeft = 0;
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//}
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//Include if the counter shouldn't go below 0
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document.getElementById("counter").innerHTML = wordsLeft;
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if(wordsLeft<=0){
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document.getElementById("submitWriting").disabled = false;
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}else{
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document.getElementById("submitWriting").disabled = true;
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}
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words = (thing.value.split(regex).length-1)/numOfParenthesis;
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document.getElementById("counter").innerHTML = words;
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}
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</script>
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<form action=submit.php method=POST>
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<h2 id=counter>500</h2>
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<h2 id=counter></h2>
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<textarea onkeyup=wordCount(this) placeholder='Write your words here...' name=words></textarea>
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<div id=writeButtons>
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<button type=submit name=submit value=save id=saveWriting>SAVE</button>
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<button type=submit name=submit value=submit id=submitWriting disabled>SUBMIT</button>
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</div>
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<input type=text name=key placeholder='Decryption key'>
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<button type=submit name=submit value=submit id=submitWriting>SUBMIT</button>
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</form>
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</body>
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</html>
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18
submit.php
18
submit.php
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<?php
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require $root."enc.php";
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$enc = encrypt($_POST["words"], $current_key);
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$postID = bin2hex(openssl_random_pseudo_bytes(7));
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require "enc.php";
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$enc = encrypt($_POST["words"], $_POST["key"]);
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$content = '<iv>'.$enc[1].'</iv>'.'<tag>'.$enc[2].'</tag>'.'<content>'.$enc[0]."</content>";
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$stmt = $conn->prepare("INSERT INTO posts (id, user_id, text, iv, tag) VALUES (:id, :uid, :txt, :iv, :tag)");
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$stmt->bindParam(":id", $postID);
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$stmt->bindParam(":uid", $current_userID);
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$stmt->bindParam(":txt", $enc[0]);
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$stmt->bindParam(":iv", $enc[1]);
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$stmt->bindParam(":tag", $enc[2]);
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$stmt->execute();
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header("Location: /500/read/?post=".$postID);
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header('Content-type: text/plain');
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header('Content-Disposition: attachment; filename="encrypted.txt"');
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echo $content;
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?>
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