diff options
Diffstat (limited to 'src/gui.c')
| -rw-r--r-- | src/gui.c | 120 |
1 files changed, 117 insertions, 3 deletions
@@ -1599,10 +1599,14 @@ void nwipe_gui_prng( void ) extern nwipe_prng_t nwipe_twister; extern nwipe_prng_t nwipe_isaac; extern nwipe_prng_t nwipe_isaac64; + extern nwipe_prng_t nwipe_aes_ctr_prng; + extern nwipe_prng_t nwipe_xoroshiro256_prng; + extern nwipe_prng_t nwipe_add_lagg_fibonacci_prng; + extern int terminate_signal; /* The number of implemented PRNGs. */ - const int count = 3; + const int count = 5; /* The first tabstop. */ const int tab1 = 2; @@ -1636,7 +1640,14 @@ void nwipe_gui_prng( void ) { focus = 2; } - + if( nwipe_options.prng == &nwipe_add_lagg_fibonacci_prng ) + { + focus = 3; + } + if( nwipe_options.prng == &nwipe_xoroshiro256_prng ) + { + focus = 4; + } do { /* Clear the main window. */ @@ -1651,6 +1662,8 @@ void nwipe_gui_prng( void ) mvwprintw( main_window, yy++, tab1, " %s", nwipe_twister.label ); mvwprintw( main_window, yy++, tab1, " %s", nwipe_isaac.label ); mvwprintw( main_window, yy++, tab1, " %s", nwipe_isaac64.label ); + mvwprintw( main_window, yy++, tab1, " %s", nwipe_add_lagg_fibonacci_prng.label ); + mvwprintw( main_window, yy++, tab1, " %s", nwipe_xoroshiro256_prng.label ); yy++; /* Print the cursor. */ @@ -1734,7 +1747,100 @@ void nwipe_gui_prng( void ) "Performs best on a 64-bit CPU. Use ISAAC if this system has a 32-bit CPU. " ); break; - } /* switch */ + case 3: + + mvwprintw( main_window, + yy++, + tab1, + "ALFG (Additive Lagged Fibonacci Generator), is a class of PRNGs utilizing" ); + mvwprintw( main_window, + yy++, + tab1, + "the Fibonacci sequence with additive operations between lagged values. While" ); + mvwprintw( main_window, + yy++, + tab1, + "they offer a good balance between speed and randomness, it's important to note" ); + mvwprintw( main_window, + yy++, + tab1, + "that they provide lower levels of security, making them less suitable for" ); + mvwprintw( main_window, + yy++, + tab1, + "cryptographic applications. Their periodicity depends on the choice of lags" ); + mvwprintw( main_window, + yy++, + tab1, + "and arithmetic operations, potentially achieving large values, often 2^N or" ); + mvwprintw( main_window, + yy++, + tab1, + "higher, where N is the bit length of the states. " ); + mvwprintw( main_window, + yy++, + tab1, + " " ); + mvwprintw( main_window, + yy++, + tab1, + "Efficient on CPUs of any bit width, particularly suited for non-cryptographic" ); + mvwprintw( main_window, + yy++, + tab1, + "applications requiring long sequences with a good speed-randomness trade-off. " ); + break; + + case 4: + + mvwprintw( main_window, + yy++, + tab1, + "Xoroshiro256**, originally designed by David Blackman and Sebastiano Vigna" ); + mvwprintw( main_window, + yy++, + tab1, + "for 128 bits, was adapted to 256 bits by Fabian Druschke. This adaptation " ); + mvwprintw( main_window, + yy++, + tab1, + "enhances its capability for fast, high-quality generation of pseudo-random " ); + mvwprintw( main_window, + yy++, + tab1, + "numbers with a state size of 256 bits. It boasts an extremely long period " ); + mvwprintw( main_window, + yy++, + tab1, + "of 2^256-1 without sacrificing performance, suitable for a wide range of " ); + mvwprintw( main_window, + yy++, + tab1, + "applications. " ); + mvwprintw( main_window, + yy++, + tab1, + " " ); + mvwprintw( main_window, + yy++, + tab1, + "The simple arithmetic operations (shifts, rotations, and XORs) of " ); + mvwprintw( main_window, + yy++, + tab1, + "Xoroshiro256** ensure low computational complexity. This, combined with " ); + mvwprintw( main_window, + yy++, + tab1, + "the adaptation for 256 bits by Fabian Druschke, allows efficient use " ); + mvwprintw( main_window, + yy++, + tab1, + "especially for legacy systems, due to its efficiency and minimal demands. " ); + break; + } + + /* switch */ /* Add a border. */ box( main_window, 0, 0 ); @@ -1794,6 +1900,14 @@ void nwipe_gui_prng( void ) { nwipe_options.prng = &nwipe_isaac64; } + if( focus == 3 ) + { + nwipe_options.prng = &nwipe_add_lagg_fibonacci_prng; + } + if( focus == 4 ) + { + nwipe_options.prng = &nwipe_xoroshiro256_prng; + } return; case KEY_BACKSPACE: |