C++ (Cpp) vtSha1Update Examples

Example #1

File: plan9-sha1.c Project: 99years/plan9

void
vtSha1(uchar sha1[VtScoreSize], uchar *p, int n)
{
	VtSha1 s;

	vtSha1Init(&s);
	vtSha1Update(&s, p, n);
	vtSha1Final(&s, sha1);
}

Example #2

File: rpc.c Project: aahud/harvey

/* hold z->inLock */
static int
vtVersionRead(VtSession *z, char *prefix, int *ret)
{
	char c;
	char buf[VtMaxStringSize];
	char *q, *p, *pp;
	int i;

	q = prefix;
	p = buf;
	for(;;) {
		if(p >= buf + sizeof(buf)) {
			vtSetError(EBadVersion);
			return 0;
		}
		if(!vtFdReadFully(z->fd, (uint8_t*)&c, 1))
			return 0;
		if(z->inHash)
			vtSha1Update(z->inHash, (uint8_t*)&c, 1);
		if(c == '\n') {
			*p = 0;
			break;
		}
		if(c < ' ' || *q && c != *q) {
			vtSetError(EBadVersion);
			return 0;
		}
		*p++ = c;
		if(*q)
			q++;
	}
		
	vtDebug(z, "version string in: %s\n", buf);

	p = buf + strlen(prefix);
	for(;;) {
		for(pp=p; *pp && *pp != ':'  && *pp != '-'; pp++)
			;
		for(i=0; vtVersions[i].version; i++) {
			if(strlen(vtVersions[i].s) != pp-p)
				continue;
			if(memcmp(vtVersions[i].s, p, pp-p) == 0) {
				*ret = vtVersions[i].version;
				return 1;
			}
		}
		p = pp;
		if(*p != ':')
			return 0;
		p++;
	}	
}

Example #3

File: plan9-sha1.c Project: 99years/plan9

int
vtSha1Check(uchar score[VtScoreSize], uchar *p, int n)
{
	VtSha1 s;
	uchar score2[VtScoreSize];

	vtSha1Init(&s);
	vtSha1Update(&s, p, n);
	vtSha1Final(&s, score2);

	if(memcmp(score, score2, VtScoreSize) != 0) {
		vtSetError("vtSha1Check failed");
		return 0;
	}
	return 1;
}

Example #4

File: packet.c Project: aahud/harvey

void
packetSha1(Packet *p, uint8_t sha1[VtScoreSize])
{
	Frag *f;
	VtSha1 *s;
	int size;

	NOTFREE(p);
	s = vtSha1Alloc();
	size = p->size;
	for(f=p->first; f; f=f->next) {
		vtSha1Update(s, f->rp, FRAGSIZE(f));
		size -= FRAGSIZE(f);
	}
	assert(size == 0);
	vtSha1Final(s, sha1);
	vtSha1Free(s);
}

Example #5

File: rpc.c Project: aahud/harvey

int
vtConnect(VtSession *z, char *password)
{
	char buf[VtMaxStringSize], *p, *ep, *prefix;
	int i;

	USED(password);
	vtLock(z->lk);
	if(z->cstate != VtStateAlloc) {
		vtSetError("bad session state");
		vtUnlock(z->lk);
		return 0;
	}
	if(z->fd < 0){
		vtSetError("%s", z->fderror);
		vtUnlock(z->lk);
		return 0;
	}

	/* be a little anal */
	vtLock(z->inLock);
	vtLock(z->outLock);

	prefix = "venti-";
	p = buf;
	ep = buf + sizeof(buf);
	p = seprint(p, ep, "%s", prefix);
	p += strlen(p);
	for(i=0; vtVersions[i].version; i++) {
		if(i != 0)
			*p++ = ':';
		p = seprint(p, ep, "%s", vtVersions[i].s);
	}
	p = seprint(p, ep, "-libventi\n");
	assert(p-buf < sizeof(buf));
	if(z->outHash)
		vtSha1Update(z->outHash, (uint8_t*)buf, p-buf);
	if(!vtFdWrite(z->fd, (uint8_t*)buf, p-buf))
		goto Err;
	
	vtDebug(z, "version string out: %s", buf);

	if(!vtVersionRead(z, prefix, &z->version))
		goto Err;
		
	vtDebug(z, "version = %d: %s\n", z->version, vtGetVersion(z));

	vtUnlock(z->inLock);
	vtUnlock(z->outLock);
	z->cstate = VtStateConnected;
	vtUnlock(z->lk);

	if(z->vtbl)
		return 1;

	if(!vtHello(z))
		goto Err;
	return 1;	
Err:
	if(z->fd >= 0)
		vtFdClose(z->fd);
	z->fd = -1;
	vtUnlock(z->inLock);
	vtUnlock(z->outLock);
	z->cstate = VtStateClosed;
	vtUnlock(z->lk);
	return 0;	
}