X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fsiphash%2Fsiphash.c;h=05292b9ffcc75e8289c95dee335127f283901db6;hp=b711b30a1231eb97f6378ef27210aaee62a912b0;hb=6abc867fce8c3eba40eb26092d31e34b47dd9165;hpb=dd000c9a9fad0d65eb26cd8be7b902e4ab818d3a diff --git a/ccan/siphash/siphash.c b/ccan/siphash/siphash.c index b711b30a..05292b9f 100644 --- a/ccan/siphash/siphash.c +++ b/ccan/siphash/siphash.c @@ -6,8 +6,6 @@ #include "siphash.h" -typedef uint64_t u64; - enum sip_index { A=0, B=2, C=1, D=3, E=4 }; #define rol(x,l) (((x) << (l)) | ((x) >> (64-(l)))) @@ -26,14 +24,14 @@ enum sip_index { A=0, B=2, C=1, D=3, E=4 }; } while(0) -static inline u64 W64(const unsigned char *p, size_t j) +static inline uint64_t W64(const unsigned char *p, size_t j) { uint64_t x; memcpy(&x, p + j*sizeof(x), sizeof(x)); return le64_to_cpu(x); } -static void siphash_init(u64 v[5], const unsigned char key[16]) +static void siphash_init(uint64_t v[5], const unsigned char key[16]) { v[A] = W64(key, 0) ^ UINT64_C(0x736f6d6570736575); v[B] = W64(key, 1) ^ UINT64_C(0x646f72616e646f6d); @@ -43,25 +41,25 @@ static void siphash_init(u64 v[5], const unsigned char key[16]) } /* Load the last 0-7 bytes of `in` and put in len & 255 */ -static void siphash_epilogue(u64 *m, const unsigned char *in, size_t len) +static void siphash_epilogue(uint64_t *m, const unsigned char *in, size_t len) { in += len & ~(size_t)7; - *m = (u64)(len & 255) << 56; + *m = (uint64_t)(len & 255) << 56; switch (len & 7) { - case 7: *m |= (u64) in[6] << 48; - case 6: *m |= (u64) in[5] << 40; - case 5: *m |= (u64) in[4] << 32; - case 4: *m |= (u64) in[3] << 24; - case 3: *m |= (u64) in[2] << 16; - case 2: *m |= (u64) in[1] << 8; - case 1: *m |= (u64) in[0]; + case 7: *m |= (uint64_t) in[6] << 48; + case 6: *m |= (uint64_t) in[5] << 40; + case 5: *m |= (uint64_t) in[4] << 32; + case 4: *m |= (uint64_t) in[3] << 24; + case 3: *m |= (uint64_t) in[2] << 16; + case 2: *m |= (uint64_t) in[1] << 8; + case 1: *m |= (uint64_t) in[0]; case 0: ; } } -u64 siphash_2_4(const void *in, size_t len, const unsigned char key[16]) +uint64_t siphash_2_4(const void *in, size_t len, const unsigned char key[16]) { - u64 v[5]; + uint64_t v[5]; size_t j; siphash_init(v, key);