The source for incremental_send isn't in the book anywhere that I've seen. I'm using the first edition (June 2002). My code does call incremental_send, and the code I'm trying to compile is the example code provided in the book itself (in chapter 6 - see example 6-4). The book provides the code for incremental_encrypt as well as incremental_finish, so my assumption is that it is a method included in the bowels of the libraries provided. Are you saying that this is a method that I must construct myself? The book doesn't say that, so my assumption is that it is provided.
I have run into books that claim to be good but the publisher leaves out critical stuff. Go to the publisher's site and look for errata and downloadable source files.
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