Document hash functions.

[openssl.git] / crypto / mdc2 / mdc2dgst.c

diff --git a/crypto/mdc2/mdc2dgst.c b/crypto/mdc2/mdc2dgst.c
index 2a086c061248d8d333a693d075b1bae1a6c86a93..c630a24c2eed2491a1dcad76cdde860967a41848 100644 (file)
--- a/crypto/mdc2/mdc2dgst.c
+++ b/crypto/mdc2/mdc2dgst.c
@@ -59,8 +59,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include "des.h"
-#include "mdc2.h"
+#include <openssl/des.h>
+#include <openssl/mdc2.h>
 
 #undef c2l
 #define c2l(c,l)       (l =((DES_LONG)(*((c)++)))    , \
@@ -74,14 +74,8 @@
                        *((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, unsigned int len);
+void MDC2_Init(MDC2_CTX *c)
        {
        c->num=0;
        c->pad_type=1;
@@ -89,10 +83,7 @@ MDC2_CTX *c;
        memset(&(c->hh[0]),0x25,MDC2_BLOCK);
        }
 
-void MDC2_Update(c,in,len)
-MDC2_CTX *c;
-register unsigned char *in;
-unsigned long len;
+void MDC2_Update(MDC2_CTX *c, const unsigned char *in, unsigned long len)
        {
        int i,j;
 
@@ -127,54 +118,45 @@ unsigned long len;
                }
        }
 
-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, unsigned int 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;
        unsigned char *p;
        unsigned int i;
 
-       h= (des_cblock *)&(c->h[0]);
-       hh= (des_cblock *)&(c->hh[0]);
-
        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_encrypt(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_encrypt(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;
+void MDC2_Final(unsigned char *md, MDC2_CTX *c)
        {
        int i,j;