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| author | Adam Ierymenko <adam.ierymenko@gmail.com> | 2014-10-02 09:08:31 -0700 |
|---|---|---|
| committer | Adam Ierymenko <adam.ierymenko@gmail.com> | 2014-10-02 09:08:31 -0700 |
| commit | e8c5495b61ebde115ee133e8c85933191bd0cd61 (patch) | |
| tree | e8f80f74b77bb1dc83b0fd5fd0d86ebc72c9cd86 /node/Utils.hpp | |
| parent | 28646eee0a81a5555fbfa504b66a5b11be4f3fb7 (diff) | |
| download | infinitytier-e8c5495b61ebde115ee133e8c85933191bd0cd61.tar.gz infinitytier-e8c5495b61ebde115ee133e8c85933191bd0cd61.zip | |
Yes, zero my secret key data. Yes I really, really mean it.
Diffstat (limited to 'node/Utils.hpp')
| -rw-r--r-- | node/Utils.hpp | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/node/Utils.hpp b/node/Utils.hpp index affae9a8..defb52a9 100644 --- a/node/Utils.hpp +++ b/node/Utils.hpp @@ -101,18 +101,10 @@ public: } /** - * Securely zero memory - * - * This just uses volatile to ensure that it's never optimized out. + * Securely zero memory, avoiding compiler optimizations and such */ - static inline void burn(void *ptr,unsigned int len) - throw() - { - volatile unsigned char *p = (unsigned char *)ptr; - volatile unsigned char *e = p + len; - while (p != e) - *(p++) = (unsigned char)0; - } + static void burn(void *ptr,unsigned int len) + throw(); /** * Delete a file |