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(Node.js) AES Encryption ECB Mode with PKCS7 PaddingDuplicates the following C# code: public static byte[] DecryptBySymmetricKey(string encryptedText, byte[] key) { string keyAsBase64 = Convert.ToBase64String(key); byte[] dataToDecrypt = Convert.FromBase64String(encryptedText); var keyBytes = key; AesManaged tdes = new AesManaged(); tdes.KeySize = 256; tdes.BlockSize = 128; tdes.Key = keyBytes; tdes.Mode = CipherMode.ECB; tdes.Padding = PaddingMode.PKCS7; ICryptoTransform decrypt__1 = tdes.CreateDecryptor(); byte[] deCipher = decrypt__1.TransformFinalBlock(dataToDecrypt, 0, dataToDecrypt.Length); tdes.Clear(); string EK_result = Convert.ToBase64String(deCipher); return EK_result; }
var os = require('os'); if (os.platform() == 'win32') { if (os.arch() == 'ia32') { var chilkat = require('@chilkat/ck-node21-win-ia32'); } else { var chilkat = require('@chilkat/ck-node21-win64'); } } else if (os.platform() == 'linux') { if (os.arch() == 'arm') { var chilkat = require('@chilkat/ck-node21-arm'); } else if (os.arch() == 'x86') { var chilkat = require('@chilkat/ck-node21-linux32'); } else { var chilkat = require('@chilkat/ck-node21-linux64'); } } else if (os.platform() == 'darwin') { if (os.arch() == 'arm64') { var chilkat = require('@chilkat/ck-node21-mac-m1'); } else { var chilkat = require('@chilkat/ck-node21-macosx'); } } function chilkatExample() { // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. var crypt = new chilkat.Crypt2(); // In the C# code above that is to be duplicated here, use the base64 encoded key. var keyAsBase64 = "..."; var encryptedBytesAsBase64 = "...."; crypt.KeyLength = 256; crypt.CryptAlgorithm = "AES"; crypt.CipherMode = "ecb"; crypt.PaddingScheme = 0; crypt.SetEncodedKey(keyAsBase64,"base64"); crypt.EncodingMode = "base64"; // Pass the base64 representation of the encrypted data. // (The EncodingMode indicates you are passing base64.) var EK_result = crypt.DecryptStringENC(encryptedBytesAsBase64); console.log(EK_result); } chilkatExample(); |
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