1 files changed, 16 insertions, 13 deletions

diff --git a/src/lib/libcrypto/evp/digest.c b/src/lib/libcrypto/evp/digest.c
index d65f0036f7..c560733568 100644
--- a/src/lib/libcrypto/evp/digest.c
+++ b/src/lib/libcrypto/evp/digest.c
@@ -58,32 +58,35 @@
 
 #include <stdio.h>
 #include "cryptlib.h"
-#include "objects.h"
-#include "evp.h"
+#include <openssl/objects.h>
+#include <openssl/evp.h>
 
-void EVP_DigestInit(ctx,type)
-EVP_MD_CTX *ctx;
-EVP_MD *type;
+void EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type)
         {
         ctx->digest=type;
         type->init(&(ctx->md));
         }
 
-void EVP_DigestUpdate(ctx,data,count)
-EVP_MD_CTX *ctx;
-unsigned char *data;
-unsigned int count;
+void EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data,
+             unsigned int count)
         {
         ctx->digest->update(&(ctx->md.base[0]),data,(unsigned long)count);
         }
 
-void EVP_DigestFinal(ctx,md,size)
-EVP_MD_CTX *ctx;
-unsigned char *md;
-unsigned int *size;
+void EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size)
         {
         ctx->digest->final(md,&(ctx->md.base[0]));
         if (size != NULL)
                 *size=ctx->digest->md_size;
         memset(&(ctx->md),0,sizeof(ctx->md));
         }
+
+int EVP_MD_CTX_copy(EVP_MD_CTX *out, EVP_MD_CTX *in)
+{
+    if ((in == NULL) || (in->digest == NULL)) {
+        EVPerr(EVP_F_EVP_MD_CTX_COPY,EVP_R_INPUT_NOT_INITIALIZED);
+        return 0;
+    }
+    memcpy((char *)out,(char *)in,in->digest->ctx_size);
+    return 1;
+}