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Re:TLS/SSL implementation in Haskell by zvrba on Thursday April 10, 2014 @02:14PM (#7568523)
Ideally, you would have a parsing and validation routine which fills in a struct. Afterwards, you manipulate only the struct instead of raw byte representation.

> But there comes a point at which further complexity produces more confusion than safety.

Buffer is simply not the right abstraction for complex protocols, regardless of how "complex" operations you define.

Re:TLS/SSL implementation in Haskell by AnthonyMouse on Thursday April 10, 2014 @02:44PM (#7568758)
> Ideally, you would have a parsing and validation routine which fills in a struct.

The parsing and validation routine is where you need the buffer abstraction. If you make a mistake there then a copy function that won't let you read or write past the end of the buffer will mitigate the damage.