Hack in zerotier-idtool to allow generation of vanity addresses.

This commit is contained in:
Adam Ierymenko 2016-05-26 09:21:54 -07:00
parent 0bcc7d46a3
commit 68d950c344

24
one.cpp
View File

@ -571,7 +571,7 @@ static void idtoolPrintHelp(FILE *out,const char *pn)
COPYRIGHT_NOTICE ZT_EOL_S COPYRIGHT_NOTICE ZT_EOL_S
LICENSE_GRANT ZT_EOL_S); LICENSE_GRANT ZT_EOL_S);
fprintf(out,"Usage: %s <command> [<args>]"ZT_EOL_S""ZT_EOL_S"Commands:"ZT_EOL_S,pn); fprintf(out,"Usage: %s <command> [<args>]"ZT_EOL_S""ZT_EOL_S"Commands:"ZT_EOL_S,pn);
fprintf(out," generate [<identity.secret>] [<identity.public>]"ZT_EOL_S); fprintf(out," generate [<identity.secret>] [<identity.public>] [<vanity>]"ZT_EOL_S);
fprintf(out," validate <identity.secret/public>"ZT_EOL_S); fprintf(out," validate <identity.secret/public>"ZT_EOL_S);
fprintf(out," getpublic <identity.secret>"ZT_EOL_S); fprintf(out," getpublic <identity.secret>"ZT_EOL_S);
fprintf(out," sign <identity.secret> <file>"ZT_EOL_S); fprintf(out," sign <identity.secret> <file>"ZT_EOL_S);
@ -607,8 +607,28 @@ static int idtool(int argc,char **argv)
} }
if (!strcmp(argv[1],"generate")) { if (!strcmp(argv[1],"generate")) {
uint64_t vanity = 0;
int vanityBits = 0;
if (argc >= 5) {
vanity = Utils::hexStrToU64(argv[4]) & 0xffffffffffULL;
vanityBits = 4 * strlen(argv[4]);
if (vanityBits > 40)
vanityBits = 40;
}
Identity id; Identity id;
id.generate(); for(;;) {
id.generate();
if ((id.address().toInt() >> (40 - vanityBits)) == vanity) {
if (vanityBits > 0) {
fprintf(stderr,"vanity address: found %.10llx !\n",(unsigned long long)id.address().toInt());
}
break;
} else {
fprintf(stderr,"vanity address: tried %.10llx looking for first %d bits of %.10llx\n",(unsigned long long)id.address().toInt(),vanityBits,(unsigned long long)(vanity << (40 - vanityBits)));
}
}
std::string idser = id.toString(true); std::string idser = id.toString(true);
if (argc >= 3) { if (argc >= 3) {
if (!OSUtils::writeFile(argv[2],idser)) { if (!OSUtils::writeFile(argv[2],idser)) {