/// <summary>
/// 通过密码得到一个通用TripleDes密钥
/// </summary>
/// <param name="passwd">密码</param>
/// <returns>返回密钥</returns>
public static byte[] GenTripleDesKey(byte[] passwd)
{
byte[] dg = MD5Util.GetMd5Digest(passwd);
byte[] key = new byte[24];
Array.Copy(dg, 0, key, 0, 16);
Array.Copy(dg, 0, key, 16, 8);
return(key);
}
/// <summary>
/// 通过密码得到一个通用128位Aes密钥
/// </summary>
/// <param name="passwd">密码</param>
/// <returns>返回密钥</returns>
public static byte[] GenAesKey128(byte[] passwd)
{
return(MD5Util.GetMd5Digest(passwd));
}
/// <summary>
/// 通过密码得到一个通用64位Aes密钥
/// </summary>
/// <param name="passwd">密码</param>
/// <returns>返回密钥</returns>
public static byte[] GenAesKey64(byte[] passwd)
{
byte[] dg = MD5Util.GetMd5Digest(passwd);
return(dg.SubBytes(0, 8));
}
