diff options
| author | mayx | 2022-01-04 20:42:55 +0800 |
|---|---|---|
| committer | mayx | 2022-01-04 20:42:55 +0800 |
| commit | f4aa957c53cda659d026ffd23856f65a72fee739 (patch) | |
| tree | afc51b78e1ff241c955ca30910e895e02e0a1d22 /aes.html | |
Restore deleted repositories
Diffstat (limited to 'aes.html')
| -rw-r--r-- | aes.html | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/aes.html b/aes.html new file mode 100644 index 0000000..fa9b605 --- /dev/null +++ b/aes.html @@ -0,0 +1,91 @@ +<html> + <head> + <title>AES加解密</title> + <meta http-equiv="Content-Type" content="text/html;charset=utf-8"> + <script src="js/aes.js"></script> + <script> + function getByteLen(val) { + var len = 0; + for (var i = 0; i < val.length; i++) { + if (val[i].match(/[^\x00-\xff]/ig) != null) len += 3; + else len += 1; + } + return len; +} + +function onbtnEncrypto() { + var plaintText = document.getElementById("input").value; + var keyword = document.getElementById("inputkey").value; + if (plaintText.replace(/(^\s*)|(\s*$)/g, "") == '') { + alert("输入要加密的内容！"); + return; + } + if (keyword.replace(/(^\s*)|(\s*$)/g, "") == '') { + alert("输入要加密的key！"); + return; + } + while (getByteLen(keyword) % 8 != 0) { + keyword = keyword + "\0"; + } + + var key = CryptoJS.enc.Utf8.parse(keyword); + var encryptedData = CryptoJS.AES.encrypt(plaintText, key, { + mode: CryptoJS.mode.ECB, + padding: CryptoJS.pad.Pkcs7 + }); + encryptedData = encryptedData.ciphertext.toString(); + document.getElementById("output").value = encryptedData; +} + +function onbtnDecrypto() { + var encryptedData = document.getElementById("input").value; + var keyword = document.getElementById("inputkey").value; + if (encryptedData.replace(/(^\s*)|(\s*$)/g, "") == '') { + alert("输入要加密的内容！"); + return; + } + if (keyword.replace(/(^\s*)|(\s*$)/g, "") == '') { + alert("输入要加密的key！"); + return; + } + while (getByteLen(keyword) % 8 != 0) { + keyword = keyword + "\0"; + } + + var key = CryptoJS.enc.Utf8.parse(keyword); + var encryptedHexStr = CryptoJS.enc.Hex.parse(encryptedData); + var encryptedBase64Str = CryptoJS.enc.Base64.stringify(encryptedHexStr); + + var decryptedData = CryptoJS.AES.decrypt(encryptedBase64Str, key, { + mode: CryptoJS.mode.ECB, + padding: CryptoJS.pad.Pkcs7 + }); + + if (decryptedData.sigBytes < 0) { + document.getElementById("output").value = "解密失败！密文或者key错误!"; + return; + } + try { + decryptedData.toString(CryptoJS.enc.Utf8) + } catch(e) { + document.getElementById("output").value = "解密失败！密文或者key错误!"; + return; + } + var decryptedStr = decryptedData.toString(CryptoJS.enc.Utf8); + document.getElementById("output").value = decryptedStr; +} +</script> + </head> + <body> + <div> + <br /> + <textarea id="input" name="input" style="width: 80%" rows="8">这里是要加密的内容!</textarea> + <br />key: + <input id="inputkey" type="text" /> + <br /> + <p> <button id="en" class="btn" onclick="onbtnEncrypto()" style="width:100px">加密</button> <button id="de" class="btn" onclick="onbtnDecrypto()" style="width:100px">解密</button> </p> + <textarea id="output" name="output" style="width: 80%" rows="10"></textarea> + </div> + + </body> +</html> \ No newline at end of file |