How to zero a buffer

In cryptographic applications, it is often useful to wipe data from memory once it is no longer needed. In a perfect world, this is unnecessary since nobody would gain unauthorized access to that data; but if someone is able to exploit an unrelated problem — a vulnerability which yields remote code execution, or a feature which allows uninitialized memory to be read remotely, for example — then en

[masami256]

単にmemset()するだけだとコンパイラの最適化で実行されない場合があるって事で確実にmemset する関数がOpenBSDにあったよね