union morus640_block_in tail;
memcpy(tail.bytes, src, size);
+ memset(tail.bytes + size, 0, MORUS640_BLOCK_SIZE - size);
- crypto_morus640_load_a(&m, src);
+ crypto_morus640_load_a(&m, tail.bytes);
crypto_morus640_core(state, &m);
crypto_morus640_store_a(tail.bytes, &m);
memset(tail.bytes + size, 0, MORUS640_BLOCK_SIZE - size);