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Fix byteorder problems

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This commit is contained in:
René Kijewski 2013-08-09 20:42:24 +02:00 committed by Christian Mehlis
parent dc669fbbb3
commit eda3be3316
1 changed files with 5 additions and 23 deletions
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28
sys/crypto/sha256.c
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@ -40,29 +40,16 @@
#else /* __BYTE_ORDER__ != __ORDER_BIG_ENDIAN__ */
static void be32enc(void *pp, uint32_t u)
{
unsigned char *p = pp;
p[0] = (u >> 24) & 0xff;
p[1] = (u >> 16) & 0xff;
p[2] = (u >> 8) & 0xff;
p[3] = (u >> 0) & 0xff;
}
static uint32_t be32dec(const void *pp)
{
unsigned char const *p = pp;
return ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
}
/*
* Encode a length len/4 vector of (uint32_t) into a length len vector of
* (unsigned char) in big-endian form. Assumes len is a multiple of 4.
*/
static void be32enc_vect(unsigned char *dst, const uint32_t *src, size_t len)
static void be32enc_vect(void *dst_, const void *src_, size_t len)
{
uint32_t *dst = dst_;
const uint32_t *src = src_;
for (size_t i = 0; i < len / 4; i++) {
be32enc(dst + i * 4, src[i]);
dst[i] = __builtin_bswap32(src[i]);
}
}
@ -70,12 +57,7 @@ static void be32enc_vect(unsigned char *dst, const uint32_t *src, size_t len)
* Decode a big-endian length len vector of (unsigned char) into a length
* len/4 vector of (uint32_t). Assumes len is a multiple of 4.
*/
static void be32dec_vect(uint32_t *dst, const unsigned char *src, size_t len)
{
for (size_t i = 0; i < len / 4; i++) {
dst[i] = be32dec(src + i * 4);
}
}
#define be32dec_vect be32enc_vect
#endif /* __BYTE_ORDER__ != __ORDER_BIG_ENDIAN__ */