/// <summary>
/// Returns a hash code for this instance.
/// </summary>
/// <returns>
/// A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.
/// </returns>
public override int GetHashCode()
{
using (var decryptedPassword = new DecryptedSecureString(_securePassword))
{
return(new Hasher().HashStructElements(decryptedPassword.GetChars()).GetHashCode());
}
}
// internal methods
/// <summary>
/// Computes the MONGODB-CR password digest.
/// </summary>
/// <param name="username">The username.</param>
/// <returns></returns>
internal string ComputeMongoCRPasswordDigest(string username)
{
using (var md5 = MD5.Create())
using (var decryptedPassword = new DecryptedSecureString(_securePassword))
{
var encoding = Utf8Encodings.Strict;
var prefixBytes = encoding.GetBytes(username + ":mongo:");
var hash = ComputeHash(md5, prefixBytes, decryptedPassword.GetUtf8Bytes());
return(BsonUtils.ToHexString(hash));
}
}
// public methods
/// <summary>
/// Determines whether the specified <see cref="System.Object" /> is equal to this instance.
/// </summary>
/// <param name="rhs">The <see cref="System.Object" /> to compare with this instance.</param>
/// <returns>
/// <c>true</c> if the specified <see cref="System.Object" /> is equal to this instance; otherwise, <c>false</c>.
/// </returns>
public override bool Equals(object rhs)
{
if (object.ReferenceEquals(rhs, null) || GetType() != rhs.GetType())
{
return(false);
}
using (var lhsDecryptedPassword = new DecryptedSecureString(_securePassword))
using (var rhsDecryptedPassword = new DecryptedSecureString(((PasswordEvidence)rhs)._securePassword))
{
return(lhsDecryptedPassword.GetChars().SequenceEqual(rhsDecryptedPassword.GetChars()));
}
}
