X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fmd2%2Fmd2_dgst.c;h=c57b3da2880b34f4c5132b940af42e3357dcf5e8;hb=dfcf48f499f19fd17a3aee03151ea301814ea6ec;hp=20d1bf4fb08cd4ee6b3d906a9716157607fe1107;hpb=ec577822f95a8bca0023c5c77cef1a4916822d4a;p=oweals%2Fopenssl.git

diff --git a/crypto/md2/md2_dgst.c b/crypto/md2/md2_dgst.c
index 20d1bf4fb0..c57b3da288 100644
--- a/crypto/md2/md2_dgst.c
+++ b/crypto/md2/md2_dgst.c
@@ -61,23 +61,19 @@
 #include <string.h>
 #include <openssl/md2.h>
 #include <openssl/opensslv.h>
+#include <openssl/crypto.h>
 
-const char *MD2_version="MD2" OPENSSL_VERSION_PTEXT;
+const char MD2_version[]="MD2" OPENSSL_VERSION_PTEXT;
 
 /* Implemented from RFC1319 The MD2 Message-Digest Algorithm
  */
 
 #define UCHAR	unsigned char
 
-#ifndef NOPROTO
-static void md2_block(MD2_CTX *c, unsigned char *d);
-#else
-static void md2_block();
-#endif
-
+static void md2_block(MD2_CTX *c, const unsigned char *d);
 /* The magic S table - I have converted it to hex since it is
- * basicaly just a random byte string. */
-static MD2_INT S[256]={
+ * basically just a random byte string. */
+static const MD2_INT S[256]={
 	0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01,
 	0x3D, 0x36, 0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13,
 	0x62, 0xA7, 0x05, 0xF3, 0xC0, 0xC7, 0x73, 0x8C,
@@ -120,19 +116,20 @@ const char *MD2_options(void)
 		return("md2(int)");
 	}
 
-void MD2_Init(MD2_CTX *c)
+int MD2_Init(MD2_CTX *c)
 	{
 	c->num=0;
-	memset(c->state,0,MD2_BLOCK*sizeof(MD2_INT));
-	memset(c->cksm,0,MD2_BLOCK*sizeof(MD2_INT));
-	memset(c->data,0,MD2_BLOCK);
+	memset(c->state,0,sizeof c->state);
+	memset(c->cksm,0,sizeof c->cksm);
+	memset(c->data,0,sizeof c->data);
+	return 1;
 	}
 
-void MD2_Update(MD2_CTX *c, register unsigned char *data, unsigned long len)
+int MD2_Update(MD2_CTX *c, const unsigned char *data, size_t len)
 	{
 	register UCHAR *p;
 
-	if (len == 0) return;
+	if (len == 0) return 1;
 
 	p=c->data;
 	if (c->num != 0)
@@ -148,10 +145,10 @@ void MD2_Update(MD2_CTX *c, register unsigned char *data, unsigned long len)
 			}
 		else
 			{
-			memcpy(&(p[c->num]),data,(int)len);
+			memcpy(&(p[c->num]),data,len);
 			/* data+=len; */
 			c->num+=(int)len;
-			return;
+			return 1;
 			}
 		}
 	/* we now can process the input data in blocks of MD2_BLOCK
@@ -162,11 +159,12 @@ void MD2_Update(MD2_CTX *c, register unsigned char *data, unsigned long len)
 		data+=MD2_BLOCK;
 		len-=MD2_BLOCK;
 		}
-	memcpy(p,data,(int)len);
+	memcpy(p,data,len);
 	c->num=(int)len;
+	return 1;
 	}
 
-static void md2_block(MD2_CTX *c, unsigned char *d)
+static void md2_block(MD2_CTX *c, const unsigned char *d)
 	{
 	register MD2_INT t,*sp1,*sp2;
 	register int i,j;
@@ -199,10 +197,10 @@ static void md2_block(MD2_CTX *c, unsigned char *d)
 		t=(t+i)&0xff;
 		}
 	memcpy(sp1,state,16*sizeof(MD2_INT));
-	memset(state,0,48*sizeof(MD2_INT));
+	OPENSSL_cleanse(state,48*sizeof(MD2_INT));
 	}
 
-void MD2_Final(unsigned char *md, MD2_CTX *c)
+int MD2_Final(unsigned char *md, MD2_CTX *c)
 	{
 	int i,v;
 	register UCHAR *cp;
@@ -224,5 +222,6 @@ void MD2_Final(unsigned char *md, MD2_CTX *c)
 	for (i=0; i<16; i++)
 		md[i]=(UCHAR)(p1[i]&0xff);
 	memset((char *)&c,0,sizeof(c));
+	return 1;
 	}