Feature #13017 ยป 0001-switch-SipHash-from-SipHash24-to-SipHash13-variant.patch
| random.c | ||
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}
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#define SIP_HASH_STREAMING 0
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#define sip_hash24 ruby_sip_hash24
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#define sip_hash13 ruby_sip_hash13
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#if !defined _WIN32 && !defined BYTE_ORDER
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# ifdef WORDS_BIGENDIAN
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# define BYTE_ORDER BIG_ENDIAN
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| ... | ... | |
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st_index_t
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rb_memhash(const void *ptr, long len)
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{
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sip_uint64_t h = sip_hash24(seed.key.sip, ptr, len);
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sip_uint64_t h = sip_hash13(seed.key.sip, ptr, len);
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#ifdef HAVE_UINT64_T
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return (st_index_t)h;
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#else
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| siphash.c | ||
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}
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#endif /* SIP_HASH_STREAMING */
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#define SIP_2_ROUND(m, v0, v1, v2, v3) \
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#define SIP_ROUND(m, v0, v1, v2, v3) \
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do { \
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XOR64_TO((v3), (m)); \
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SIP_COMPRESS(v0, v1, v2, v3); \
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SIP_COMPRESS(v0, v1, v2, v3); \
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XOR64_TO((v0), (m)); \
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} while (0)
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uint64_t
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sip_hash24(const uint8_t key[16], const uint8_t *data, size_t len)
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sip_hash13(const uint8_t key[16], const uint8_t *data, size_t len)
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{
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uint64_t k0, k1;
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uint64_t v0, v1, v2, v3;
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| ... | ... | |
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uint64_t *data64 = (uint64_t *)data;
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while (data64 != (uint64_t *) end) {
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m = *data64++;
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SIP_2_ROUND(m, v0, v1, v2, v3);
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SIP_ROUND(m, v0, v1, v2, v3);
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}
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}
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#else
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for (; data != end; data += sizeof(uint64_t)) {
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m = U8TO64_LE(data);
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SIP_2_ROUND(m, v0, v1, v2, v3);
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SIP_ROUND(m, v0, v1, v2, v3);
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}
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#endif
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| ... | ... | |
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break;
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}
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SIP_2_ROUND(last, v0, v1, v2, v3);
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SIP_ROUND(last, v0, v1, v2, v3);
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XOR64_INT(v2, 0xff);
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SIP_COMPRESS(v0, v1, v2, v3);
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SIP_COMPRESS(v0, v1, v2, v3);
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SIP_COMPRESS(v0, v1, v2, v3);
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SIP_COMPRESS(v0, v1, v2, v3);
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XOR64_TO(v0, v1);
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XOR64_TO(v0, v2);
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| siphash.h | ||
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void sip_hash_free(sip_hash *h);
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void sip_hash_dump(sip_hash *h);
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uint64_t sip_hash24(const uint8_t key[16], const uint8_t *data, size_t len);
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uint64_t sip_hash13(const uint8_t key[16], const uint8_t *data, size_t len);
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#endif
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