Check return values of <Digest>_Init functions in low level digest calls.

[openssl.git] / crypto / ripemd / rmd_one.c

diff --git a/crypto/ripemd/rmd_one.c b/crypto/ripemd/rmd_one.c
index a7626dbcda95204fa2a4aca52de16a7e46834351..3efb13758f664707207bb8a43535a2e8450c0420 100644 (file)
--- a/crypto/ripemd/rmd_one.c
+++ b/crypto/ripemd/rmd_one.c
@@ -57,21 +57,22 @@
  */
 
 #include <stdio.h>
-#include "rmd_locl.h"
+#include <string.h>
+#include <openssl/ripemd.h>
+#include <openssl/crypto.h>
 
-unsigned char *RIPEMD160(d, n, md)
-unsigned char *d;
-unsigned long n;
-unsigned char *md;
+unsigned char *RIPEMD160(const unsigned char *d, size_t n,
+            unsigned char *md)
        {
        RIPEMD160_CTX c;
        static unsigned char m[RIPEMD160_DIGEST_LENGTH];
 
        if (md == NULL) md=m;
-       RIPEMD160_Init(&c);
+       if (!RIPEMD160_Init(&c))
+               return NULL;
        RIPEMD160_Update(&c,d,n);
        RIPEMD160_Final(md,&c);
-       memset(&c,0,sizeof(c)); /* security consideration */
+       OPENSSL_cleanse(&c,sizeof(c)); /* security consideration */
        return(md);
        }