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

[openssl.git] / crypto / md4 / md4_one.c

diff --git a/crypto/md4/md4_one.c b/crypto/md4/md4_one.c
index 00565507e4bb2154d3c088739f67f421212a1d9a..bb6436263818aa49e08dfb8f02a2cd206654c8e0 100644 (file)
--- a/crypto/md4/md4_one.c
+++ b/crypto/md4/md4_one.c
@@ -65,13 +65,14 @@
 #include <openssl/ebcdic.h>
 #endif
 
-unsigned char *MD4(const unsigned char *d, unsigned long n, unsigned char *md)
+unsigned char *MD4(const unsigned char *d, size_t n, unsigned char *md)
        {
        MD4_CTX c;
        static unsigned char m[MD4_DIGEST_LENGTH];
 
        if (md == NULL) md=m;
-       MD4_Init(&c);
+       if (!MD4_Init(&c))
+               return NULL;
 #ifndef CHARSET_EBCDIC
        MD4_Update(&c,d,n);
 #else