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c# Programming Glossary: plaintextEncrypting & Decrypting a String in C# http://stackoverflow.com/questions/10168240/encrypting-decrypting-a-string-in-c-sharp const int keysize 256 public static string Encrypt string plainText string passPhrase byte initVectorBytes Encoding.UTF8.GetBytes.. initVectorBytes Encoding.UTF8.GetBytes initVector byte plainTextBytes Encoding.UTF8.GetBytes plainText PasswordDeriveBytes password.. initVector byte plainTextBytes Encoding.UTF8.GetBytes plainText PasswordDeriveBytes password new PasswordDeriveBytes passPhrase..
Password encryption/ decryption code in .NET http://stackoverflow.com/questions/1678555/password-encryption-decryption-code-in-net the encrypted data as a base64 string. summary param name plainText An unencrypted string that needs to be secured. param returns.. exception cref ArgumentNullException If paramref name plainText is a null reference. exception public string Encrypt string.. a null reference. exception public string Encrypt string plainText if plainText null throw new ArgumentNullException plainText..
Encrypt/Decrypt string in .NET http://stackoverflow.com/questions/202011/encrypt-decrypt-string-in-net The sharedSecret parameters must match. summary param name plainText The text to encrypt. param param name sharedSecret A password.. param public static string EncryptStringAES string plainText string sharedSecret if string.IsNullOrEmpty plainText throw.. plainText string sharedSecret if string.IsNullOrEmpty plainText throw new ArgumentNullException plainText if string.IsNullOrEmpty..
http://stackoverflow.com/questions/2138429/hash-and-salt-passwords-in-c-sharp I do the following static byte GenerateSaltedHash byte plainText byte salt HashAlgorithm algorithm new SHA256Managed byte plainTextWithSaltBytes.. byte salt HashAlgorithm algorithm new SHA256Managed byte plainTextWithSaltBytes new byte plainText.Length salt.Length for int i.. new SHA256Managed byte plainTextWithSaltBytes new byte plainText.Length salt.Length for int i 0 i plainText.Length i plainTextWithSaltBytes..
http://stackoverflow.com/questions/273452/using-aes-encryption-in-c-sharp 0 e.Message static byte EncryptStringToBytes string plainText byte Key byte IV Check arguments. if plainText null plainText.Length.. string plainText byte Key byte IV Check arguments. if plainText null plainText.Length 0 throw new ArgumentNullException plainText.. byte Key byte IV Check arguments. if plainText null plainText.Length 0 throw new ArgumentNullException plainText if Key..
AES Encryption in Java and Decryption in C# http://stackoverflow.com/questions/5295110/aes-encryption-in-java-and-decryption-in-c-sharp keyBytes rijndaelCipher.IV keyBytes Decrypt data byte plainText rijndaelCipher.CreateDecryptor .TransformFinalBlock encryptedData.. 0 encryptedData.Length str Encoding.UTF8.GetString plainText and static private byte HexToBytes string str if str.Length..
Encrypting & Decrypting a String in C# http://stackoverflow.com/questions/10168240/encrypting-decrypting-a-string-in-c-sharp a simple single method call to allow some string based plaintext to be encrypted with a string based password with the resulting.. Console.WriteLine Please enter a string to encrypt string plaintext Console.ReadLine Console.WriteLine Console.WriteLine Your.. string is string encryptedstring StringCipher.Encrypt plaintext password Console.WriteLine encryptedstring Console.WriteLine..
CryptographicException: Padding is invalid and cannot be removed http://stackoverflow.com/questions/11762/cryptographicexception-padding-is-invalid-and-cannot-be-removed used which prevents some sorts of attacks such as a chosen plaintext attack or blinding . A padding scheme appends some usually random..
How to Generate Unique Public and Private Key via RSA http://stackoverflow.com/questions/1307204/how-to-generate-unique-public-and-private-key-via-rsa rsa.FromXmlString dt.Rows 0 PublicKey .ToString read plaintext encrypt it to ciphertext byte plainbytes System.Text.Encoding.UTF8.GetBytes.. publicPrivateKeyXML read ciphertext decrypt it to plaintext byte plain rsa.Decrypt getpassword false string dataAndSalt..
Encrypt/Decrypt string in .NET http://stackoverflow.com/questions/202011/encrypt-decrypt-string-in-net Declare the string used to hold the decrypted text. string plaintext null try generate the key from the shared secret and the salt.. from the decrypting stream and place them in a string. plaintext srDecrypt.ReadToEnd finally Clear the RijndaelManaged object... object. if aesAlg null aesAlg.Clear return plaintext private static byte ReadByteArray Stream s byte rawLength new..
Accessing Password Protected Network Drives in Windows in C#? http://stackoverflow.com/questions/2563724/accessing-password-protected-network-drives-in-windows-in-c is intended for high performance servers to authenticate plaintext passwords. The LogonUser function does not cache credentials.. is also for higher performance servers that process many plaintext authentication attempts at a time such as mail or Web servers... while impersonating the client. A server can accept plaintext credentials from a client call LogonUser verify that the user..
http://stackoverflow.com/questions/273452/using-aes-encryption-in-c-sharp the string used to hold the decrypted text. string plaintext null Create an RijndaelManaged object with the specified key.. from the decrypting stream and place them in a string. plaintext srDecrypt.ReadToEnd return plaintext share improve..
openssl using only .NET classes http://stackoverflow.com/questions/5452422/openssl-using-only-net-classes the string used to hold the decrypted text. string plaintext try Create a RijndaelManaged object with the specified key.. from the decrypting stream and place them in a string. plaintext srDecrypt.ReadToEnd srDecrypt.Close finally Clear.. object. if aesAlg null aesAlg.Clear return plaintext I then call this to test it Protection protection new Protection..
Padding is invalid and cannot be removed? http://stackoverflow.com/questions/8583112/padding-is-invalid-and-cannot-be-removed EXCEPTION HERE Replace the encryptedData element with the plaintext XML element. exml.ReplaceData encryptedElement rgbOutput c#..
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