internal ImmutableArray <byte> GetPublicKey(string keyContainer)
{
IClrStrongName strongName = GetStrongNameInterface();
strongName.StrongNameGetPublicKey(keyContainer, default(IntPtr), 0, out IntPtr keyBlob, out int keyBlobByteCount);
byte[] pubKey = new byte[keyBlobByteCount];
Marshal.Copy(keyBlob, pubKey, 0, keyBlobByteCount);
strongName.StrongNameFreeBuffer(keyBlob);
return(pubKey.AsImmutableOrNull());
}
// internal for testing
/// <exception cref="IOException"/>
internal ImmutableArray <byte> GetPublicKey(byte[] keyFileContents)
{
try
{
var lastSeen = s_lastSeenKeyPair;
if (lastSeen != null && ByteSequenceComparer.Equals(lastSeen.Item1, keyFileContents))
{
return(lastSeen.Item2);
}
IClrStrongName strongName = GetStrongNameInterface();
IntPtr keyBlob;
int keyBlobByteCount;
//EDMAURER use marshal to be safe?
unsafe
{
fixed(byte *p = keyFileContents)
{
strongName.StrongNameGetPublicKey(null, (IntPtr)p, keyFileContents.Length, out keyBlob, out keyBlobByteCount);
}
}
byte[] pubKey = new byte[keyBlobByteCount];
Marshal.Copy(keyBlob, pubKey, 0, keyBlobByteCount);
strongName.StrongNameFreeBuffer(keyBlob);
var result = pubKey.AsImmutableOrNull();
s_lastSeenKeyPair = Tuple.Create(keyFileContents, result);
return(result);
}
catch (Exception ex)
{
throw new IOException(ex.Message);
}
}