protected void Initialize(byte[] secret, byte[] label, byte[] seed)
{
if (secret == null || seed == null)
{
throw new ArgumentNullException();
}
m_Disposed = false;
// ls = label + seed
byte[] ls = new byte[label.Length + seed.Length];
Array.Copy(label, 0, ls, 0, label.Length);
Array.Copy(seed, 0, ls, label.Length, seed.Length);
// split the secret in two halves
int length;
if (secret.Length % 2 == 0)
{
length = secret.Length / 2;
}
else
{
length = (secret.Length / 2) + 1;
}
byte[] s1 = new byte[length];
byte[] s2 = new byte[length];
Array.Copy(secret, 0, s1, 0, length);
Array.Copy(secret, secret.Length - length, s2, 0, length);
// create ExpansionDeriveBytes objects
m_MD5 = new ExpansionDeriveBytes(new MD5CryptoServiceProvider(), s1, ls);
m_SHA1 = new ExpansionDeriveBytes(new SHA1CryptoServiceProvider(), s2, ls);
}
protected void Initialize(byte[] secret, byte[] label, byte[] seed) {
if (secret == null || seed == null)
throw new ArgumentNullException();
m_Disposed = false;
// ls = label + seed
byte[] ls = new byte[label.Length + seed.Length];
Array.Copy(label, 0, ls, 0, label.Length);
Array.Copy(seed, 0, ls, label.Length, seed.Length);
// split the secret in two halves
int length;
if (secret.Length % 2 == 0) {
length = secret.Length / 2;
} else {
length = (secret.Length / 2) + 1;
}
byte[] s1 = new byte[length];
byte[] s2 = new byte[length];
Array.Copy(secret, 0, s1, 0, length);
Array.Copy(secret, secret.Length - length, s2, 0, length);
// create ExpansionDeriveBytes objects
m_MD5 = new ExpansionDeriveBytes(new MD5CryptoServiceProvider(), s1, ls);
m_SHA1 = new ExpansionDeriveBytes(new SHA1CryptoServiceProvider(), s2, ls);
}
