msg = (uint8_t*)msg + BLAKE_LARGE_BLOCKSIZE_B;
length_b -= BLAKE_LARGE_BLOCKSIZE;
}
- uint8_t buffer[128];
+ union {
+ uint8_t v8[128];
+ uint64_t v64[ 16];
+ } buffer;
uint64_t v[16];
uint64_t ctr;
ctr = ctx->counter*1024+length_b;
- memset(buffer, 0, 128);
- memcpy(buffer, msg, (length_b+7)/8);
- buffer[length_b/8] |= 0x80 >> (length_b&0x7);
- blake_large_changeendian(buffer, buffer);
+ memset(buffer.v8, 0, 128);
+ memcpy(buffer.v8, msg, (length_b+7)/8);
+ buffer.v8[length_b/8] |= 0x80 >> (length_b&0x7);
+ blake_large_changeendian(buffer.v8, buffer.v8);
blake_large_expand(v, ctx);
if(length_b>1024-128-2){
v[12] ^= ctr;
v[13] ^= ctr;
- blake_large_compress(v, buffer);
+ blake_large_compress(v, buffer.v8);
blake_large_collapse(ctx, v);
- memset(buffer, 0, 128-8);
+ memset(buffer.v8, 0, 128-8);
blake_large_expand(v, ctx);
} else {
if(length_b){
}
}
if(ctx->appendone)
- buffer[128-16-8] |= 0x01;
- *((uint64_t*)(&(buffer[128-8]))) = ctr;
- blake_large_compress(v, buffer);
+ buffer.v8[128-16-8] |= 0x01;
+ buffer.v64[15] = ctr;
+ blake_large_compress(v, buffer.v8);
blake_large_collapse(ctx, v);
}