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| author | Yves Orton <demerphq@gmail.com> | 2017-03-26 19:12:51 +0200 |
|---|---|---|
| committer | Yves Orton <demerphq@gmail.com> | 2017-06-02 14:51:31 +0200 |
| commit | 3deca554c91ecb8309424e4f088fdde80e21248b (patch) | |
| tree | b88d9f97e657678f5181f59a5b94aa1978041d81 /zaphod32_hash.h | |
| parent | 0e2b709f3c34710a60d9a8673dac62116c3e259c (diff) | |
| download | perl-3deca554c91ecb8309424e4f088fdde80e21248b.tar.gz | |
do not overallocate in zaphod32_hash
We don't use it, but it should be fixed regardless to sync
with upstream which might.
Diffstat (limited to 'zaphod32_hash.h')
| -rw-r--r-- | zaphod32_hash.h | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/zaphod32_hash.h b/zaphod32_hash.h index 9ce1a63ad1..ec091f723c 100644 --- a/zaphod32_hash.h +++ b/zaphod32_hash.h @@ -154,6 +154,7 @@ void zaphod32_seed_state ( ZAPHOD32_SCRAMBLE32(state[0],0x9fade23b); ZAPHOD32_SCRAMBLE32(state[1],0xaa6f908d); ZAPHOD32_SCRAMBLE32(state[2],0xcdf6b72d); + /* now that we have scrambled we do some mixing to avalanche the * state bits to gether */ ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE A 1/4"); @@ -165,12 +166,13 @@ void zaphod32_seed_state ( ZAPHOD32_SCRAMBLE32(state[0],0xc95d22a9); ZAPHOD32_SCRAMBLE32(state[1],0x8497242b); ZAPHOD32_SCRAMBLE32(state[2],0x9c5cc4e9); - /* and one final mix */ - ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE 3/3"); - ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE 3/3"); - ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE 3/3"); - ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE 3/3"); - ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE 3/3"); + + /* and a thorough final mix */ + ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE B 1/5"); + ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE B 2/5"); + ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE B 3/5"); + ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE B 4/5"); + ZAPHOD32_MIX(state[0],state[1],state[2],"ZAPHOD32 SEED-STATE B 5/5"); } @@ -277,7 +279,7 @@ ZAPHOD32_STATIC_INLINE U32 zaphod32_hash( const U8 *key, const STRLEN key_len ) { - U32 state[1796]; + U32 state[3]; zaphod32_seed_state(seed_ch,(U8*)state); return zaphod32_hash_with_state((U8*)state,key,key_len); } |