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CryptoBox.open(): what if c.size() < mac_size()? #3

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dckc opened this issue Nov 3, 2016 · 0 comments
Open

CryptoBox.open(): what if c.size() < mac_size()? #3

dckc opened this issue Nov 3, 2016 · 0 comments

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@dckc
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dckc commented Nov 3, 2016

Pony usize arithmetic wraps, correct? How does this work if c.size() < mac_size()?

let buf_size = c.size() - mac_size()
let buf = _make_buffer(buf_size)

https://github.com/jemc/pony-sodium/blob/master/sodium/crypto_box.pony#L81
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