30 lines
571 B
C
30 lines
571 B
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org
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*/
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/* OCB Implementation by Tom St Denis */
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#include "mycrypt.h"
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#ifdef OCB_MODE
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int ocb_ntz(unsigned long x)
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{
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int c;
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x &= 0xFFFFFFFFUL;
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c = 0;
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while ((x & 1) == 0) {
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++c;
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x >>= 1;
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}
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return c;
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}
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#endif
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