C++ (Cpp) md2_block Examples

Example #1

File: md2_dgst.c Project: prestocore/browser

int MD2_Update(MD2_CTX *c, const unsigned char *data, size_t len)
	{
	register UCHAR *p;

	if (len == 0) return 1;

	p=c->data;
	if (c->num != 0)
		{
		if ((c->num+len) >= MD2_BLOCK)
			{
			op_memcpy(&(p[c->num]),data,MD2_BLOCK-c->num);
			md2_block(c,c->data);
			data+=(MD2_BLOCK - c->num);
			len-=(MD2_BLOCK - c->num);
			c->num=0;
			/* drop through and do the rest */
			}
		else
			{
			op_memcpy(&(p[c->num]),data,len);
			/* data+=len; */
			c->num+=(int)len;
			return 1;
			}
		}
	/* we now can process the input data in blocks of MD2_BLOCK
	 * chars and save the leftovers to c->data. */
	while (len >= MD2_BLOCK)
		{
		md2_block(c,data);
		data+=MD2_BLOCK;
		len-=MD2_BLOCK;
		}
	op_memcpy(p,data,len);
	c->num=(int)len;
	return 1;
	}

Example #2

File: md2dgst.c Project: mckinnley/New-College-of-Florida

void MD2_Final(unsigned char *md, MD2_CTX *c)
	{
	int i,v;
	register UCHAR *cp;
	register MD2_INT *p1,*p2;

	cp=c->data;
	p1=c->state;
	p2=c->cksm;
	v=MD2_BLOCK-c->num;
	for (i=c->num; i<MD2_BLOCK; i++)
		cp[i]=(UCHAR)v;

	md2_block(c,cp);

	for (i=0; i<MD2_BLOCK; i++)
		cp[i]=(UCHAR)p2[i];
	md2_block(c,cp);

	for (i=0; i<16; i++)
		md[i]=(UCHAR)(p1[i]&0xff);
	memset((char *)&c,0,sizeof(c));
	}