public virtual string Encrypt(string plaintext)
{
byte[] plainTextBytes = UnicodeEncoding.Unicode.GetBytes(plaintext);
byte[] cipherTextBytes = this.Encrypt(plainTextBytes);
CryptographyUtility.GetRandomBytes(plainTextBytes);
return(Convert.ToBase64String(cipherTextBytes));
}
public virtual string CreateHash(string plaintext)
{
byte[] plainTextBytes = UnicodeEncoding.Unicode.GetBytes(plaintext);
byte[] resultBytes = this.CreateHash(plainTextBytes);
// 清空该字节数组.
CryptographyUtility.GetRandomBytes(plainTextBytes);
return(Convert.ToBase64String(resultBytes));
}
public virtual bool CompareHash(string plaintext, string hashedText)
{
byte[] plainTextBytes = UnicodeEncoding.Unicode.GetBytes(plaintext);
byte[] hashedTextBytes = Convert.FromBase64String(hashedText);
bool result = this.CompareHash(plainTextBytes, hashedTextBytes);
CryptographyUtility.GetRandomBytes(plainTextBytes);
return(result);
}
protected void AddSaltToPlainText(ref byte[] salt, ref byte[] plaintext)
{
if (!this.saltEnabled)
{
return;
}
if (salt == null)
{
salt = CryptographyUtility.GetRandomBytes(this.saltLength);
}
plaintext = CryptographyUtility.CombineBytes(salt, plaintext);
}
public virtual string Decrypt(string ciphertextBase64)
{
if (string.IsNullOrEmpty(ciphertextBase64))
{
throw new ArgumentException(Properties.Resources.ExceptionNullOrEmptyString, "ciphertextBase64");
}
byte[] cipherTextBytes = Convert.FromBase64String(ciphertextBase64);
byte[] decryptedBytes = this.Decrypt(cipherTextBytes);
string decryptedString = UnicodeEncoding.Unicode.GetString(decryptedBytes);
CryptographyUtility.GetRandomBytes(decryptedBytes);
return(decryptedString);
}