private static string EncryptEmail(string email)
{
StringBuilder result = new StringBuilder();
int atIndex = email.IndexOf('@');
string beforeAt = email.Substring(0, atIndex);
string afterAt = email.Substring(atIndex + 1);
string[] partsBeforeAt = beforeAt.Split('.');
string[] partsAfterAt = afterAt.Split('.');
for (int i = 0; i < partsBeforeAt.Length; i++)
{
result.Append(Cryptographing.Encrypt(partsBeforeAt[i]));
if (i < partsBeforeAt.Length - 1)
{
result.Append('.');
}
}
result.Append('@');
for (int i = 0; i < partsAfterAt.Length; i++)
{
result.Append(Cryptographing.Encrypt(partsAfterAt[i]));
if (i < partsAfterAt.Length - 1)
{
result.Append('.');
}
}
return(result.ToString());
}
public static string DecryptEmail(string decryptedEmail)
{
StringBuilder result = new StringBuilder();
int atIndex = decryptedEmail.IndexOf('@');
string beforeAt = decryptedEmail.Substring(0, atIndex);
string afterAt = decryptedEmail.Substring(atIndex + 1);
string[] partsBeforeAt = beforeAt.Split('.');
string[] partsAfterAt = afterAt.Split('.');
for (int i = 0; i < partsBeforeAt.Length; i++)
{
partsBeforeAt[i] = partsBeforeAt[i].Replace(' ', '+');
result.Append(Cryptographing.Decrypt(partsBeforeAt[i]));
if (i < partsBeforeAt.Length - 1)
{
result.Append('.');
}
}
result.Append('@');
for (int i = 0; i < partsAfterAt.Length; i++)
{
partsAfterAt[i] = partsAfterAt[i].Replace(' ', '+');
result.Append(Cryptographing.Decrypt(partsAfterAt[i]));
if (i < partsAfterAt.Length - 1)
{
result.Append('.');
}
}
return(result.ToString());
}
