Differential D38372 Diff 116580 sys/crypto/sha2/sha512c.c

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sys/crypto/sha2/sha512c.c

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	/* Copy a vector of bytes into a vector of big-endian uint64_t */			/* Copy a vector of bytes into a vector of big-endian uint64_t */
	#define be64dec_vect(dst, src, len) \			#define be64dec_vect(dst, src, len) \
	memcpy((void )dst, (const void )src, (size_t)len)			memcpy((void )dst, (const void )src, (size_t)len)

	#else /* BYTE_ORDER != BIG_ENDIAN */			#else /* BYTE_ORDER != BIG_ENDIAN */

	/*			/*
	* Encode a length len/4 vector of (uint64_t) into a length len vector of			* Encode a length (len + 7) / 8 vector of (uint64_t) into a length len
	* (unsigned char) in big-endian form. Assumes len is a multiple of 8.			* vector of (unsigned char) in big-endian form. Assumes len is a
				* multiple of 4.
	*/			*/
	static void			static inline void
	be64enc_vect(unsigned char dst, const uint64_t src, size_t len)			be64enc_vect(unsigned char dst, const uint64_t src, size_t len)
	{			{
	size_t i;			size_t i;

	for (i = 0; i < len / 8; i++)			for (i = 0; i < len / 8; i++)
	be64enc(dst + i * 8, src[i]);			be64enc(dst + i * 8, src[i]);
				if (len % 8 == 4)
				be32enc(dst + i * 8, src[i] >> 32);
	}			}

	/*			/*
	* Decode a big-endian length len vector of (unsigned char) into a length			* Decode a big-endian length len vector of (unsigned char) into a length
	* len/4 vector of (uint64_t). Assumes len is a multiple of 8.			* len/8 vector of (uint64_t). Assumes len is a multiple of 8.
	*/			*/
	static void			static inline void
	be64dec_vect(uint64_t dst, const unsigned char src, size_t len)			be64dec_vect(uint64_t dst, const unsigned char src, size_t len)
	{			{
	size_t i;			size_t i;

	for (i = 0; i < len / 8; i++)			for (i = 0; i < len / 8; i++)
	dst[i] = be64dec(src + i * 8);			dst[i] = be64dec(src + i * 8);
	}			}

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