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working algo after a change

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owein D 2020-10-05 14:37:04 +02:00
parent 490bd3e7cd
commit fc82b52505
2 changed files with 29 additions and 20 deletions
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46
bfg.c
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@ -59,8 +59,6 @@ static int32_t add_single_char(char ch, char flags, int32_t *crs_len) {
// note that we check for -x .:.:ab but not for -x .:.:ba // note that we check for -x .:.:ab but not for -x .:.:ba
// //
int32_t bf_init(char *arg) { int32_t bf_init(char *arg) {
bf_options.rotate = 0;
int32_t i = 0; int32_t i = 0;
int32_t crs_len = 0; int32_t crs_len = 0;
char flags = 0; char flags = 0;
@ -176,6 +174,8 @@ int32_t bf_init(char *arg) {
bf_options.crs_len = crs_len; bf_options.crs_len = crs_len;
bf_options.current = bf_options.from; bf_options.current = bf_options.from;
bf_options.strafe = 0;
bf_options.rotate = 0;
memset((char *) bf_options.state, 0, sizeof(bf_options.state)); memset((char *) bf_options.state, 0, sizeof(bf_options.state));
@ -202,14 +202,6 @@ uint64_t bf_get_pcount() {
return foo; return foo;
} }
int accu(int value) {
int i = 0, a;
for (a = 1; a <= value; ++a) {
i += a;
}
return i;
}
char *bf_next(_Bool rainy) { char *bf_next(_Bool rainy) {
int32_t i, pos = bf_options.current - 1; int32_t i, pos = bf_options.current - 1;
@ -223,16 +215,30 @@ char *bf_next(_Bool rainy) {
if(rainy) if(rainy)
{ {
//the first character cannot be taken into account if(bf_options.current > 2) {
bf_options.ptr[0] = bf_options.crs[bf_options.state[0]]; if(bf_options.current % 2) {
for(i=1; i<bf_options.current; ++i) { bf_options.ptr[0] = bf_options.crs[bf_options.state[0]];
bf_options.ptr[i] = bf_options.crs[(bf_options.state[i] + bf_options.rotate) % bf_options.crs_len]; bf_options.ptr[1] = bf_options.crs[bf_options.state[1]];
bf_options.rotate += i+3; bf_options.ptr[2] = bf_options.crs[bf_options.state[2]];
for(i=3; i<bf_options.current; ++i) {
bf_options.ptr[i] = bf_options.crs[(bf_options.state[(i+bf_options.strafe)%(bf_options.current-3)+3] + bf_options.rotate) % bf_options.crs_len];
bf_options.rotate ++;
}
}
} }
//we don't subtract the same depending on wether the length is odd or even else {
for(i=1+bf_options.current%2; i<bf_options.current+bf_options.current%2; ++i) if(bf_options.current % 2) {
bf_options.rotate -= i+1; bf_options.ptr[0] = bf_options.crs[bf_options.state[0]];
} bf_options.ptr[1] = bf_options.crs[bf_options.state[1]];
for(i=2; i<bf_options.current; ++i) {
bf_options.ptr[i] = bf_options.crs[(bf_options.state[(i+bf_options.strafe)%(bf_options.current-2)+2] + bf_options.rotate) % bf_options.crs_len];
bf_options.rotate ++;
}
}
}
}//we don't subtract the same depending on wether the length is odd or even
bf_options.strafe++;
bf_options.ptr[bf_options.current] = 0; bf_options.ptr[bf_options.current] = 0;
if (debug) { if (debug) {
@ -256,6 +262,8 @@ char *bf_next(_Bool rainy) {
if (pos < 0) { if (pos < 0) {
bf_options.current++; bf_options.current++;
bf_options.strafe = 0;
bf_options.rotate = 0;
memset((char *)bf_options.state, 0, sizeof(bf_options.state)); memset((char *)bf_options.state, 0, sizeof(bf_options.state));
} }

1
bfg.h
View file

@ -44,6 +44,7 @@ typedef struct {
char *ptr; /* ptr to the last generated password */ char *ptr; /* ptr to the last generated password */
uint32_t disable_symbols; uint32_t disable_symbols;
uint64_t rotate; uint64_t rotate;
uint64_t strafe;
} bf_option; } bf_option;
extern bf_option bf_options; extern bf_option bf_options;