msg = (uint8_t*)msg + BLAKE_SMALL_BLOCKSIZE_B;
length_b -= BLAKE_SMALL_BLOCKSIZE;
}
- uint8_t buffer[64];
+ union {
+ uint8_t v8[64];
+ uint32_t v32[16];
+ } buffer;
uint32_t v[16];
union {
uint64_t v64;
uint32_t v32[2];
}ctr;
ctr.v64 = ctx->counter*512+length_b;
- memset(buffer, 0, 64);
- memcpy(buffer, msg, (length_b+7)/8);
- buffer[length_b/8] |= 0x80 >> (length_b&0x7);
- blake_small_changeendian(buffer, buffer);
+ memset(buffer.v8, 0, 64);
+ memcpy(buffer.v8, msg, (length_b+7)/8);
+ buffer.v8[length_b/8] |= 0x80 >> (length_b&0x7);
+ blake_small_changeendian(buffer.v8, buffer.v8);
blake_small_expand(v, ctx);
if(length_b>512-64-2){
v[12] ^= ctr.v32[0];
v[13] ^= ctr.v32[0];
v[14] ^= ctr.v32[1];
v[15] ^= ctr.v32[1];
- blake_small_compress(v, buffer);
+ blake_small_compress(v, buffer.v8);
blake_small_collapse(ctx, v);
- memset(buffer, 0, 64-8);
+ memset(buffer.v8, 0, 64-8);
blake_small_expand(v, ctx);
}else{
if(length_b){
}
}
if(ctx->appendone)
- buffer[64-8-4] |= 0x01;
- *((uint32_t*)(&(buffer[64-8]))) = ctr.v32[1];
- *((uint32_t*)(&(buffer[64-4]))) = ctr.v32[0];
- blake_small_compress(v, buffer);
+ buffer.v8[64-8-4] |= 0x01;
+ buffer.v32[14] = ctr.v32[1];
+ buffer.v32[15] = ctr.v32[0];
+ blake_small_compress(v, buffer.v8);
blake_small_collapse(ctx, v);
}