def decode_aes256_cbc_plain(data, encryption_key):
if not data:<EOL><INDENT>return b'<STR_LIT>'<EOL><DEDENT>else:<EOL><INDENT>return decode_aes256('<STR_LIT>', data[<NUM_LIT:1>:<NUM_LIT>], data[<NUM_LIT>:], encryption_key)<EOL><DEDENT>
Decrypts AES-256 CBC bytes.