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| author | Adam Ierymenko <adam.ierymenko@gmail.com> | 2015-10-09 09:39:27 -0700 |
|---|---|---|
| committer | Adam Ierymenko <adam.ierymenko@gmail.com> | 2015-10-09 09:39:27 -0700 |
| commit | 0c498556d5b11c101d2b18cf85cff2d53aa97d58 (patch) | |
| tree | 8b486cb833c74dc48f03218060ed6c4c2e34af7d /node/Identity.cpp | |
| parent | 3fa6dd377f479774ae2726f24748f41458329272 (diff) | |
| download | infinitytier-0c498556d5b11c101d2b18cf85cff2d53aa97d58.tar.gz infinitytier-0c498556d5b11c101d2b18cf85cff2d53aa97d58.zip | |
Unroll Salsa20 fully for a little more speed (non-SSE now almost as fast as SSE)
Diffstat (limited to 'node/Identity.cpp')
| -rw-r--r-- | node/Identity.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/node/Identity.cpp b/node/Identity.cpp index 8765da51..e5aaf13d 100644 --- a/node/Identity.cpp +++ b/node/Identity.cpp @@ -41,7 +41,6 @@ #define ZT_IDENTITY_GEN_HASHCASH_FIRST_BYTE_LESS_THAN 17 #define ZT_IDENTITY_GEN_MEMORY 2097152 -#define ZT_IDENTITY_GEN_SALSA20_ROUNDS 20 namespace ZeroTier { @@ -55,8 +54,8 @@ static inline void _computeMemoryHardHash(const void *publicKey,unsigned int pub // ordinary Salsa20 is randomly seekable. This is good for a cipher // but is not what we want for sequential memory-harndess. memset(genmem,0,ZT_IDENTITY_GEN_MEMORY); - Salsa20 s20(digest,256,(char *)digest + 32,ZT_IDENTITY_GEN_SALSA20_ROUNDS); - s20.encrypt((char *)genmem,(char *)genmem,64); + Salsa20 s20(digest,256,(char *)digest + 32); + s20.encrypt20((char *)genmem,(char *)genmem,64); for(unsigned long i=64;i<ZT_IDENTITY_GEN_MEMORY;i+=64) { unsigned long k = i - 64; *((uint64_t *)((char *)genmem + i)) = *((uint64_t *)((char *)genmem + k)); @@ -67,7 +66,7 @@ static inline void _computeMemoryHardHash(const void *publicKey,unsigned int pub *((uint64_t *)((char *)genmem + i + 40)) = *((uint64_t *)((char *)genmem + k + 40)); *((uint64_t *)((char *)genmem + i + 48)) = *((uint64_t *)((char *)genmem + k + 48)); *((uint64_t *)((char *)genmem + i + 56)) = *((uint64_t *)((char *)genmem + k + 56)); - s20.encrypt((char *)genmem + i,(char *)genmem + i,64); + s20.encrypt20((char *)genmem + i,(char *)genmem + i,64); } // Render final digest using genmem as a lookup table @@ -77,7 +76,7 @@ static inline void _computeMemoryHardHash(const void *publicKey,unsigned int pub uint64_t tmp = ((uint64_t *)genmem)[idx2]; ((uint64_t *)genmem)[idx2] = ((uint64_t *)digest)[idx1]; ((uint64_t *)digest)[idx1] = tmp; - s20.encrypt(digest,digest,64); + s20.encrypt20(digest,digest,64); } } |