public static byte[] ExportSubjectPublicKeyInfo(this ECDsa ecdsa, AsnFormat format)
{
return(format switch
{
AsnFormat.Der => ecdsa.ExportSubjectPublicKeyInfo(),
AsnFormat.Pem => PemFormater.ToPemBytes(ecdsa.ExportSubjectPublicKeyInfo(), "PUBLIC KEY"),
_ => ThrowHelpers.NotImplemented <byte[]>(nameof(ECDsaExtensions))
});
public static string ToPem(ReadOnlySpan <byte> data, string name)
{
ThrowHelpers.CheckNullOrEempty(nameof(name), name);
return(string.Concat("-----BEGIN ", name, "-----\r\n",
Convert.ToBase64String(data, Base64FormattingOptions.InsertLineBreaks),
"\r\n-----END ", name, " -----"));
}
public static byte[] ToPemBytes(ReadOnlySpan <byte> data, string name)
{
ThrowHelpers.CheckNullOrEempty(nameof(name), name);
string pem = string.Concat("-----BEGIN ", name, "-----\r\n",
Convert.ToBase64String(data, Base64FormattingOptions.InsertLineBreaks),
"\r\n-----END ", name, " -----");
return(Encoding.ASCII.GetBytes(pem));
}
public static bool TryFromOid(string hashAlgorithmOid, out HashAlgorithmName hashAlgorithmName)
{
ThrowHelpers.CheckNull(nameof(hashAlgorithmOid), hashAlgorithmOid);
(bool success, HashAlgorithmName algorithm) = hashAlgorithmOid switch
{
Oids.MD5 => (true, HashAlgorithmName.MD5),
Oids.SHA1 => (true, HashAlgorithmName.SHA1),
Oids.SHA256 => (true, HashAlgorithmName.SHA256),
Oids.SHA384 => (true, HashAlgorithmName.SHA384),
Oids.SHA512 => (true, HashAlgorithmName.SHA512),
_ => (false, default)
public static TResult ExecuteWithSecureString <TResult, TContext>(SecureString secureString, Encoding encoding, TContext context, Func <byte[]?, TContext, TResult> action)
{
ThrowHelpers.CheckNull(nameof(encoding), encoding);
ThrowHelpers.CheckNull(nameof(action), action);
if (secureString == null)
{
return(action.Invoke(null, context));
}
else
{
return(ExecuteWithSecureStringInternal <TResult, TContext>(secureString, encoding, context, action));
}
}
public static TResult ExecuteWithSecureString <TResult>(SecureString secureString, Encoding encoding, Func <byte[]?, TResult> action)
{
ThrowHelpers.CheckNull(nameof(encoding), encoding);
ThrowHelpers.CheckNull(nameof(action), action);
if (secureString == null)
{
return(action.Invoke(null));
}
else
{
return(ExecuteWithSecureStringInternal <TResult, int>(secureString, encoding, 0, (buffer, ctx) => action(buffer)));
}
}
public static void ExecuteWithSecureString(SecureString secureString, Encoding encoding, Action <byte[]?> action)
{
ThrowHelpers.CheckNull(nameof(encoding), encoding);
ThrowHelpers.CheckNull(nameof(action), action);
if (secureString == null)
{
action.Invoke(null);
}
else
{
ExecuteWithSecureStringInternal <int, int>(secureString, encoding, 0, (buffer, ctx) =>
{
action.Invoke(buffer);
return(0);
});
}
}
public static byte[] GetBytes(string hexValue)
{
ThrowHelpers.CheckNull(nameof(hexValue), hexValue);
return(GetBytes(hexValue.AsSpan()));
}