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https://github.com/clearml/dropbear
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420151dbd9
use m_burn for libtomcrypt zeromem() too
26 lines
483 B
C
26 lines
483 B
C
#include "dbhelpers.h"
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#include "includes.h"
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/* Erase data */
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void m_burn(void *data, unsigned int len) {
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#if defined(HAVE_MEMSET_S)
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memset_s(data, len, 0x0, len);
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#elif defined(HAVE_EXPLICIT_BZERO)
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explicit_bzero(data, len);
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#else
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/* Based on the method in David Wheeler's
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* "Secure Programming for Linux and Unix HOWTO". May not be safe
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* against link-time optimisation. */
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volatile char *p = data;
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if (data == NULL)
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return;
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while (len--) {
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*p++ = 0x0;
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}
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#endif
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}
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