threefish256_ctx_t tfctx;
while(length_b>UBI256_BLOCKSIZE){
ubi256_nextBlock(ctx, block);
block = (uint8_t*)block + UBI256_BLOCKSIZE_B;
length_b -= UBI256_BLOCKSIZE;
}
threefish256_ctx_t tfctx;
while(length_b>UBI256_BLOCKSIZE){
ubi256_nextBlock(ctx, block);
block = (uint8_t*)block + UBI256_BLOCKSIZE_B;
length_b -= UBI256_BLOCKSIZE;
}