btc btc btc btc
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aiju
parent
964b86fcd9
commit
fc4a0118f7
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@ -22,20 +22,16 @@ struct State {
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static int
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decryptkey(Fsstate *fss, char *key, char *password)
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{
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uchar keyenc[53], hash[32], ivec[AESbsize];
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uchar keyenc[53], hash[32];
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AESstate s;
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State *st;
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char buf[100];
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if(base58dec(key, keyenc, 53) < 0)
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return failure(fss, "invalid base58");
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sha2_256((uchar *)password, strlen(password), hash, nil);
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sha2_256(hash, 32, hash, nil);
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genrandom(ivec, sizeof ivec);
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setupAESstate(&s, hash, 32, keyenc+37);
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aesCBCdecrypt(keyenc, 37, &s);
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memset(buf, 0, sizeof buf);
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base58enc(keyenc, buf, 37);
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if(keyenc[0] != 0x80)
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return RpcNeedkey;
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sha2_256(keyenc, 33, hash, nil);
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133
sys/src/cmd/btc/genkey.c
Normal file
133
sys/src/cmd/btc/genkey.c
Normal file
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@ -0,0 +1,133 @@
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#include <u.h>
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#include <libc.h>
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#include <mp.h>
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#include <libsec.h>
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ECdomain dom;
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void readln(char *prompt, char *line, int len, int raw);
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void
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address(ECpub *p, char *buf)
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{
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uchar buf1[65], buf2[25], buf3[25];
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buf1[0] = 4;
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buf3[0] = 0;
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mptobe(p->x, buf1 + 1, 32, nil);
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mptobe(p->y, buf1 + 33, 32, nil);
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sha2_256(buf1, 65, buf2, nil);
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ripemd160(buf2, 32, buf3 + 1, nil);
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sha2_256(buf3, 21, buf2, nil);
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sha2_256(buf2, 32, buf2, nil);
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memcpy(buf3 + 21, buf2, 4);
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memset(buf, 0, 100);
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base58enc(buf3, buf, 25);
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}
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void
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pubkey(ECpub *b, char *buf)
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{
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uchar buf1[65];
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buf1[0] = 4;
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mptobe(b->x, buf1 + 1, 32, nil);
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mptobe(b->y, buf1 + 33, 32, nil);
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memset(buf, 0, 100);
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base58enc(buf1, buf, 65);
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}
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void
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privkey(ECpriv *p, char *buf, char *pw)
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{
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uchar buf1[53], buf2[32];
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AESstate st;
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buf1[0] = 0x80;
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mptobe(p->d, buf1 + 1, 32, nil);
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sha2_256(buf1, 33, buf2, nil);
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sha2_256(buf2, 32, buf2, nil);
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memcpy(buf1 + 33, buf2, 4);
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sha2_256((uchar *) pw, strlen(pw), buf2, nil);
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sha2_256(buf2, 32, buf2, nil);
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genrandom(buf1 + 37, 16);
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setupAESstate(&st, buf2, 32, buf1+37);
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aesCBCencrypt(buf1, 37, &st);
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memset(buf, 0, 100);
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base58enc(buf1, buf, 53);
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}
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void
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main()
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{
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ECpriv *p;
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char addr[100], pub[100], priv[100], pw[256], pw2[256];
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dom.p = strtomp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F", nil, 16, nil);
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dom.a = uitomp(0, nil);
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dom.b = uitomp(7, nil);
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dom.n = strtomp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141", nil, 16, nil);
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dom.h = uitomp(1, nil);
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dom.G = strtoec(&dom, "0279BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798", nil, nil);
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p = ecgen(&dom, nil);
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readln("password: ", pw, sizeof pw, 1);
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readln("repeat: ", pw2, sizeof pw2, 1);
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if(strcmp(pw, pw2) != 0)
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sysfatal("passwords don't match");
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address(p, addr);
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pubkey(p, pub);
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privkey(p, priv, pw);
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print("%s %s %s\n", addr, pub, priv);
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}
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void
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readln(char *prompt, char *line, int len, int raw)
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{
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char *p;
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int fdin, fdout, ctl, n, nr;
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fdin = open("/dev/cons", OREAD);
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fdout = open("/dev/cons", OWRITE);
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fprint(fdout, "%s", prompt);
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if(raw){
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ctl = open("/dev/consctl", OWRITE);
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if(ctl < 0)
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sysfatal("couldn't set raw mode");
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write(ctl, "rawon", 5);
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} else
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ctl = -1;
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nr = 0;
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p = line;
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for(;;){
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n = read(fdin, p, 1);
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if(n < 0){
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close(ctl);
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sysfatal("can't read cons\n");
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}
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if(*p == 0x7f)
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exits(0);
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if(n == 0 || *p == '\n' || *p == '\r'){
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*p = '\0';
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if(raw){
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write(ctl, "rawoff", 6);
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write(fdout, "\n", 1);
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}
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close(ctl);
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return;
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}
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if(*p == '\b'){
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if(nr > 0){
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nr--;
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p--;
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}
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}else{
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nr++;
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p++;
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}
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if(nr == len){
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fprint(fdout, "line too long; try again\n");
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nr = 0;
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p = line;
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}
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}
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}
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@ -1,6 +1,6 @@
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</$objtype/mkfile
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TARG=httpfs sign
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TARG=httpfs sign genkey
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BIN=/$objtype/bin/btc
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@ -39,7 +39,7 @@ struct TxOut {
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uchar sc[10000];
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};
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Biobuf *bp;
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Biobuf *bp, *bpout;
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int nin, nout;
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TxIn *in[0xFD];
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@ -272,6 +272,8 @@ main()
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bp = malloc(sizeof(*bp));
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Binit(bp, 0, OREAD);
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bpout = malloc(sizeof(*bpout));
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Binit(bpout, 1, OWRITE);
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linenum = 0;
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for(;;){
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line = Brdstr(bp, '\n', 1);
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@ -337,14 +339,15 @@ main()
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}
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n = serialize(buf, -1);
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for(i = 0; i < n; i++){
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print("%.2x", buf[i]);
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Bprint(bpout, "%.2x", buf[i]);
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if((i%4)==3)
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print(" ");
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Bputc(bpout, ' ');
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if((i%32)==31)
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print("\n");
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Bputc(bpout, '\n');
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}
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if((i%32)!=0)
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print("\n");
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Bputc(bpout, '\n');
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Bterm(bpout);
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}
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Word words[] = {
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