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author | Mattes D <github@xoft.cz> | 2014-01-25 22:05:16 +0100 |
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committer | Mattes D <github@xoft.cz> | 2014-01-25 22:05:16 +0100 |
commit | 437a9c8d1f13cc7770a95534dbf71b78685edfe7 (patch) | |
tree | 68b0e13a46f3936bb772106c0ca8d8e74aba2b8e /lib/cryptopp/words.h | |
parent | Merge pull request #581 from worktycho/strerror (diff) | |
parent | ProtoProxy: Modified to use PolarSSL. (diff) | |
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Diffstat (limited to 'lib/cryptopp/words.h')
-rw-r--r-- | lib/cryptopp/words.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/lib/cryptopp/words.h b/lib/cryptopp/words.h deleted file mode 100644 index d5fda71da..000000000 --- a/lib/cryptopp/words.h +++ /dev/null @@ -1,103 +0,0 @@ -#ifndef CRYPTOPP_WORDS_H -#define CRYPTOPP_WORDS_H - -#include "misc.h" - -NAMESPACE_BEGIN(CryptoPP) - -inline size_t CountWords(const word *X, size_t N) -{ - while (N && X[N-1]==0) - N--; - return N; -} - -inline void SetWords(word *r, word a, size_t n) -{ - for (size_t i=0; i<n; i++) - r[i] = a; -} - -inline void CopyWords(word *r, const word *a, size_t n) -{ - if (r != a) - memcpy(r, a, n*WORD_SIZE); -} - -inline void XorWords(word *r, const word *a, const word *b, size_t n) -{ - for (size_t i=0; i<n; i++) - r[i] = a[i] ^ b[i]; -} - -inline void XorWords(word *r, const word *a, size_t n) -{ - for (size_t i=0; i<n; i++) - r[i] ^= a[i]; -} - -inline void AndWords(word *r, const word *a, const word *b, size_t n) -{ - for (size_t i=0; i<n; i++) - r[i] = a[i] & b[i]; -} - -inline void AndWords(word *r, const word *a, size_t n) -{ - for (size_t i=0; i<n; i++) - r[i] &= a[i]; -} - -inline word ShiftWordsLeftByBits(word *r, size_t n, unsigned int shiftBits) -{ - assert (shiftBits<WORD_BITS); - word u, carry=0; - if (shiftBits) - for (size_t i=0; i<n; i++) - { - u = r[i]; - r[i] = (u << shiftBits) | carry; - carry = u >> (WORD_BITS-shiftBits); - } - return carry; -} - -inline word ShiftWordsRightByBits(word *r, size_t n, unsigned int shiftBits) -{ - assert (shiftBits<WORD_BITS); - word u, carry=0; - if (shiftBits) - for (size_t i=n; i>0; i--) - { - u = r[i-1]; - r[i-1] = (u >> shiftBits) | carry; - carry = u << (WORD_BITS-shiftBits); - } - return carry; -} - -inline void ShiftWordsLeftByWords(word *r, size_t n, size_t shiftWords) -{ - shiftWords = STDMIN(shiftWords, n); - if (shiftWords) - { - for (size_t i=n-1; i>=shiftWords; i--) - r[i] = r[i-shiftWords]; - SetWords(r, 0, shiftWords); - } -} - -inline void ShiftWordsRightByWords(word *r, size_t n, size_t shiftWords) -{ - shiftWords = STDMIN(shiftWords, n); - if (shiftWords) - { - for (size_t i=0; i+shiftWords<n; i++) - r[i] = r[i+shiftWords]; - SetWords(r+n-shiftWords, 0, shiftWords); - } -} - -NAMESPACE_END - -#endif |