Update documentation

1 files changed, 7 insertions, 7 deletions

diff --git a/sm3.cpp b/sm3.cpp
index 12e18cb0..dda6f0b1 100644
--- a/sm3.cpp
+++ b/sm3.cpp
@@ -73,19 +73,18 @@ inline word32 SM3_E(word32 W0, word32 W7, word32 W13, word32 W3, word32 W10)
     return P1(W0 ^ W7 ^ rotlFixed(W13, 15)) ^ rotlFixed(W3, 7) ^ W10;

 }

 

-static size_t SM3_HashMultipleBlocks_CXX(word32 *state, const word32 *input, size_t length)

+static size_t SM3_HashMultipleBlocks_CXX(word32 *state, const word32 *data, size_t length)

 {

-    CRYPTOPP_ASSERT(input);

+    CRYPTOPP_ASSERT(data);

 

     word32 A = state[0], B = state[1], C = state[2], D = state[3];

     word32 E = state[4], F = state[5], G = state[6], H = state[7];

 

-    size_t blocks = length / SM3::BLOCKSIZE;

-    for(size_t i = 0; i < blocks; ++i)

+    while (length >= SM3::BLOCKSIZE)

     {

         // Reverse bytes on LittleEndian; align pointer on BigEndian

         typedef GetBlock<word32, BigEndian, false> InBlock;

-        InBlock iblk(input);

+        InBlock iblk(data);

 

         word32 W00, W01, W02, W03, W04, W05, W06, W07, W08, W09, W10, W11, W12, W13, W14, W15;

         iblk(W00)(W01)(W02)(W03)(W04)(W05)(W06)(W07)(W08)(W09)(W10)(W11)(W12)(W13)(W14)(W15);

@@ -216,10 +215,11 @@ static size_t SM3_HashMultipleBlocks_CXX(word32 *state, const word32 *input, siz
         G = (state[6] ^= G);

         H = (state[7] ^= H);

 

-        input += SM3::BLOCKSIZE/sizeof(word32);

+        data += SM3::BLOCKSIZE/sizeof(word32);

+        length -= SM3::BLOCKSIZE;

     }

 

-    return length & (SM3::BLOCKSIZE-1);

+    return length;

 }

 

 ANONYMOUS_NAMESPACE_END