void enigma_rev(ENIGMA ep,char *buf,int len)
{
int i;
char *p;
if(!buf||len<=0) return;
enigma_encrypt(ep,buf,len);
b_revers(buf,len);
len--;
p=buf;
for(i=0;i<len;i++) {
p[1]^=*p; p++;
}
}
void enigma2_init(ENIGMA2 *ep,const char *bin_key,int len)
{
char rk[ROTORSZ];
if(!ep||!bin_key) return;
if(len<=0) len=strlen(bin_key);
enigma_init(ep->t,bin_key,len);
if(len>ROTORSZ) len=ROTORSZ;
memcpy(rk,bin_key,len);
b_revers(rk,len);
enigma_encrypt(ep->t,rk,len);
enigma_init(ep->r,rk,len);
ep->crc=0X7FFFFFFF & ssh_crc32((unsigned char *)ep->t,sizeof(ep->t)<<1);
//ShowLog(5,"%s:crc=%d,len=%d",__FUNCTION__,ep->crc,len);
return;
}
static int pack_encode(char *string,int length,T_Connect *conn)
{
switch(conn->CryptFlg & DO_CRYPT) {
case 1:
enigma(conn->t.t,string,length);
break;
case 2:
enigma_encrypt(conn->t.r,string,length);
break;
case 3:
enigma2_encrypt(&conn->t,string,length);
break;
default:
break;
}
return 0;
}
void main(){
stdout = rs232_out;
stdin = rs232_in;
unsigned i;
char key;
rotor_l = &rotor_i[0];
rotor_m = &rotor_ii[0];
rotor_r = &rotor_iii[0];
reflector = &reflector_b[0];
ring_setting_l = 'A';
ring_setting_m = 'A';
ring_setting_r = 'A';
l = 'A';
m = 'A';
r = 'A';
initialise();
puts("Enigma Machine\n");
puts("==============\n\n");
puts("1. Wheel settings (Walzenlage) (1->5) left, middle, right e.g. 123\n");
puts("2. Reflector (a->c) e.g. b\n");
puts("3. Ring settings (Ringstellung) (a->z) left, middle, right e.g. aaa\n");
puts("4. Rotor positions (a->z) left, middle, right e.g. aaa\n");
puts("ready ...\n");
i=0;
while(1){
key = getc();
if (isalpha(key)) {
if(i==0){
putc('A' + theenigma.l);
putc('A' + theenigma.m);
putc('A' + theenigma.r);
puts(": ");
}
putc(enigma_encrypt(&theenigma, toupper(key)));
if(i==70) {
i=0;
putc('\n');
} else {
i++;
}
} else if (isdigit(key)) {
if (key == '1') {
puts("\n>\n");
rotor_l = select_rotor();
rotor_m = select_rotor();
rotor_r = select_rotor();
initialise();
i=0;
} else if (key == '2') {
puts("\n>\n");
reflector = select_reflector();
initialise();
i=0;
} else if (key == '3') {
puts("\n>\n");
ring_setting_l = get_key();
ring_setting_m = get_key();
ring_setting_r = get_key();
initialise();
i=0;
} else if (key == '4') {
puts("\n>\n");
l = get_key();
m = get_key();
r = get_key();
initialise();
i=0;
}
}
}
}
int main(int ac,char *av[])
{
char buf[131702];
int len,i,len1;
ENIGMA t;
ENIGMA2 egm;
struct timeval beg,end;
enigma_init(t,"abcdefg",0);
printf("t1:");
for(i=0;i<256;i++) {
if(!(i&7)) putchar('\n');
printf("%3d:%02X\t",i,255&t[0][i]);
}
printf("\nt3:");
for(i=0;i<256;i++) {
if(!(i&7)) putchar('\n');
printf("%3d:%02X\t",i,255&t[2][i]);
}
putchar('\n');
enigma2_init(&egm,"abcdefg",0);
printf("\ncrc=%d\n",egm.crc);
// enigma2_init(&egm,"\x01\xff\x35\xf8\xef\x97\x22\x14\x80\x7f\t\b\r\n\377\177\225",17);
memset(buf,'B',sizeof(buf));
buf[sizeof(buf)-1]=0;
#ifndef TEST_SPEED
while(!ferror(stdin)) {
fgets(buf,sizeof(buf),stdin);
if(feof(stdin)) break;
TRIM(buf);
#endif
len=strlen(buf);
gettimeofday(&beg,0);
enigma(t,buf,len);
gettimeofday(&end,0);
len1=len>32?32:len;
printf("enigma encode :");
for(i=0;i<len1;i++) printf("%02X ",buf[i]&255);
printf("\nenigma encode 64K:");
for(i=0;i<len1;i++) printf("%02X ",buf[i+65536]&255);
printf("\ntimeval=%ld\n",interval(&beg,&end));
enigma(t,buf,len);
printf("enigma decode:\n%.100s\n",buf);
//test frenz
gettimeofday(&beg,0);
enigma_encrypt(t,buf,len);
gettimeofday(&end,0);
printf("\nencrypt :");
for(i=0;i<len1;i++) printf("%02X ",buf[i]&255);
printf("\nencrypt 64K:");
for(i=0;i<len1;i++) printf("%02X ",buf[i+65536]&255);
printf("\ntimeval=%ld\n",interval(&beg,&end));
enigma_decrypt(t,buf,len);
printf("decrypt :\n%.100s\n",buf);
//test enigma2
gettimeofday(&beg,0);
enigma2_encrypt(&egm,buf,len);
gettimeofday(&end,0);
printf("enigma2 encode :");
for(i=0;i<len1;i++) printf("%02X ",buf[i]&255);
printf("\nenigma2 encode 64K:");
for(i=0;i<len1;i++) printf("%02X ",buf[i+65536]&255);
printf("\ntimeval=%ld\n",interval(&beg,&end));
enigma2_decrypt(&egm,buf,len);
printf("enigma2 decode:\n%.100s\n",buf);
#ifndef TEST_SPEED
}
#endif
return 0;
}