1 files changed, 10 insertions, 17 deletions

diff --git a/src/lib/libcrypto/des/cfb64enc.c b/src/lib/libcrypto/des/cfb64enc.c
index 403da479df..389a232cb3 100644
--- a/src/lib/libcrypto/des/cfb64enc.c
+++ b/src/lib/libcrypto/des/cfb64enc.c
@@ -63,14 +63,9 @@
  * 64bit block we have used is contained in *num;
  */
 
-void des_cfb64_encrypt(in, out, length, schedule, ivec, num, enc)
-unsigned char *in;
-unsigned char *out;
-long length;
-des_key_schedule schedule;
-des_cblock (*ivec);
-int *num;
-int enc;
+void des_cfb64_encrypt(const unsigned char *in, unsigned char *out,
+             long length, des_key_schedule schedule, des_cblock *ivec,
+             int *num, int enc)
         {
         register DES_LONG v0,v1;
         register long l=length;
@@ -78,7 +73,7 @@ int enc;
         DES_LONG ti[2];
         unsigned char *iv,c,cc;
 
-        iv=(unsigned char *)ivec;
+        iv = &(*ivec)[0];
         if (enc)
                 {
                 while (l--)
@@ -87,12 +82,11 @@ int enc;
                                 {
                                 c2l(iv,v0); ti[0]=v0;
                                 c2l(iv,v1); ti[1]=v1;
-                                des_encrypt((DES_LONG *)ti,
-                                        schedule,DES_ENCRYPT);
-                                iv=(unsigned char *)ivec;
+                                des_encrypt(ti,schedule,DES_ENCRYPT);
+                                iv = &(*ivec)[0];
                                 v0=ti[0]; l2c(v0,iv);
                                 v0=ti[1]; l2c(v0,iv);
-                                iv=(unsigned char *)ivec;
+                                iv = &(*ivec)[0];
                                 }
                         c= *(in++)^iv[n];
                         *(out++)=c;
@@ -108,12 +102,11 @@ int enc;
                                 {
                                 c2l(iv,v0); ti[0]=v0;
                                 c2l(iv,v1); ti[1]=v1;
-                                des_encrypt((DES_LONG *)ti,
-                                        schedule,DES_ENCRYPT);
-                                iv=(unsigned char *)ivec;
+                                des_encrypt(ti,schedule,DES_ENCRYPT);
+                                iv = &(*ivec)[0];
                                 v0=ti[0]; l2c(v0,iv);
                                 v0=ti[1]; l2c(v0,iv);
-                                iv=(unsigned char *)ivec;
+                                iv = &(*ivec)[0];
                                 }
                         cc= *(in++);
                         c=iv[n];