#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "des.h"
-#include "mdc2.h"
+#include <openssl/crypto.h>
+#include <openssl/des.h>
+#include <openssl/mdc2.h>
#undef c2l
#define c2l(c,l) (l =((DES_LONG)(*((c)++))) , \
*((c)++)=(unsigned char)(((l)>>16L)&0xff), \
*((c)++)=(unsigned char)(((l)>>24L)&0xff))
-#ifndef NOPROTO
-static void mdc2_body(MDC2_CTX *c, unsigned char *in, unsigned int len);
-#else
-static void mdc2_body();
-#endif
-
-void MDC2_Init(c)
-MDC2_CTX *c;
+static void mdc2_body(MDC2_CTX *c, const unsigned char *in, size_t len);
+int MDC2_Init(MDC2_CTX *c)
{
c->num=0;
c->pad_type=1;
memset(&(c->h[0]),0x52,MDC2_BLOCK);
memset(&(c->hh[0]),0x25,MDC2_BLOCK);
+ return 1;
}
-void MDC2_Update(c,in,len)
-MDC2_CTX *c;
-register unsigned char *in;
-unsigned long len;
+int MDC2_Update(MDC2_CTX *c, const unsigned char *in, size_t len)
{
- int i,j;
+ size_t i,j;
i=c->num;
if (i != 0)
if (i+len < MDC2_BLOCK)
{
/* partial block */
- memcpy(&(c->data[i]),in,(int)len);
+ memcpy(&(c->data[i]),in,len);
c->num+=(int)len;
- return;
+ return 1;
}
else
{
mdc2_body(c,&(c->data[0]),MDC2_BLOCK);
}
}
- i=(int)(len&(unsigned long)~(MDC2_BLOCK-1));
+ i=len&~((size_t)MDC2_BLOCK-1);
if (i > 0) mdc2_body(c,in,i);
- j=(int)len-i;
+ j=len-i;
if (j > 0)
{
memcpy(&(c->data[0]),&(in[i]),j);
- c->num=j;
+ c->num=(int)j;
}
+ return 1;
}
-static void mdc2_body(c,in,len)
-MDC2_CTX *c;
-unsigned char *in;
-unsigned int len;
+static void mdc2_body(MDC2_CTX *c, const unsigned char *in, size_t len)
{
register DES_LONG tin0,tin1;
register DES_LONG ttin0,ttin1;
DES_LONG d[2],dd[2];
- des_cblock *h,*hh;
- des_key_schedule k;
+ DES_key_schedule k;
unsigned char *p;
- unsigned int i;
-
- h= (des_cblock *)&(c->h[0]);
- hh= (des_cblock *)&(c->hh[0]);
+ size_t i;
for (i=0; i<len; i+=8)
{
c2l(in,tin0); d[0]=dd[0]=tin0;
c2l(in,tin1); d[1]=dd[1]=tin1;
- (*h)[0]=((*h)[0]&0x9f)|0x40;
- (*hh)[0]=((*hh)[0]&0x9f)|0x20;
+ c->h[0]=(c->h[0]&0x9f)|0x40;
+ c->hh[0]=(c->hh[0]&0x9f)|0x20;
- des_set_odd_parity(h);
- des_set_key(h,k);
- des_encrypt((DES_LONG *)d,k,1);
+ DES_set_odd_parity(&c->h);
+ DES_set_key_unchecked(&c->h,&k);
+ DES_encrypt1(d,&k,1);
- des_set_odd_parity(hh);
- des_set_key(hh,k);
- des_encrypt((DES_LONG *)dd,k,1);
+ DES_set_odd_parity(&c->hh);
+ DES_set_key_unchecked(&c->hh,&k);
+ DES_encrypt1(dd,&k,1);
ttin0=tin0^dd[0];
ttin1=tin1^dd[1];
tin0^=d[0];
tin1^=d[1];
- p=(unsigned char *)h;
+ p=c->h;
l2c(tin0,p);
l2c(ttin1,p);
- p=(unsigned char *)hh;
+ p=c->hh;
l2c(ttin0,p);
l2c(tin1,p);
}
}
-void MDC2_Final(md,c)
-unsigned char *md;
-MDC2_CTX *c;
+int MDC2_Final(unsigned char *md, MDC2_CTX *c)
{
- int i,j;
+ unsigned int i;
+ int j;
i=c->num;
j=c->pad_type;
}
memcpy(md,(char *)c->h,MDC2_BLOCK);
memcpy(&(md[MDC2_BLOCK]),(char *)c->hh,MDC2_BLOCK);
+ return 1;
}
#undef TEST