Segfault error

[vaygr]

Trying to embed steganography binary itself into a 1.3M png image:

./steganography encode -i expansion.png -e steganography -o exp.png
Password: ...
* Image size: 1280x1024 pixels
* Encoding level: Low (Default)
* Max embed size: 639.25 KiB
* Embed size: 635.36 KiB
* Encrypted embed size: 635.36 KiB
* Generated CRC32 checksum
* Generated encryption key with PBKDF2-HMAC-SHA-256 (20000 rounds)
steganography: steganography/src/aes.cpp:91: void AES::cbc_encrypt(void*, std::size_t, void*): Assertion `size % block_len == 0' failed.
Aborted (core dumped)