| /* Inputs: | |
| stego - the binary stego vector | |
| stegolength - the length of the stego vector | |
| message - pointer to an array of legth 'messagelength' to receive the extracted message | |
| messagelegth - the length of the embedded message | |
| constr_height - the constraint height of the matrix used for embedding the message | |
| Return values: | |
| 0 on succes, -1 on error | |
| */ | |
| int stc_extract(const u8 *stego, int stegolength, u8 *message, int messagelength, int constr_height = 10); | |