I'm running the aes-gcm example project and I am putting a timer
around the following chunk of code in the main line (which as far as I
can tell captures the aes-gcm encoding):
AuthenticatedEncryptionFilter ef( e,
new StringSink( cipher ), false, TAG_SIZE
); // AuthenticatedEncryptionFilter
// AuthenticatedEncryptionFilter::ChannelPut
// defines two channels: "" (empty) and "AAD"
// channel "" is encrypted and authenticated
// channel "AAD" is authenticated
ef.ChannelPut( "AAD", (const byte*)adata.data(), adata.size
() );
ef.ChannelMessageEnd("AAD");
// Authenticated data *must* be pushed before
// Confidential/Authenticated data. Otherwise
// we must catch the BadState exception
ef.ChannelPut( "", (const byte*)pdata.data(), pdata.size() );
ef.ChannelMessageEnd("");
I'm seeing a performance of just under 1 Mbits/sec (using the
hardcoded test vector of 16 bytes of zero). This is a far cry from
the ~800 Mbits/sec advertised. Any ideas?
thanks.
kt
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