X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fsha%2Fsha1_one.c;h=c56ec94020e180600f534e68c3402839ca330a79;hp=e6a24888ed5949675cf49da35ae0b7309281042a;hb=da3bd2779dffae5980ebfb291c82ad8aba0b8e74;hpb=cf1b7d96647d55e533f779e476e3d4371f40445a

diff --git a/crypto/sha/sha1_one.c b/crypto/sha/sha1_one.c
index e6a24888ed..c56ec94020 100644
--- a/crypto/sha/sha1_one.c
+++ b/crypto/sha/sha1_one.c
@@ -58,19 +58,21 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <openssl/crypto.h>
 #include <openssl/sha.h>
 
 #ifndef OPENSSL_NO_SHA1
-unsigned char *SHA1(const unsigned char *d, unsigned long n, unsigned char *md)
+unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md)
 	{
 	SHA_CTX c;
 	static unsigned char m[SHA_DIGEST_LENGTH];
 
 	if (md == NULL) md=m;
-	SHA1_Init(&c);
+	if (!SHA1_Init(&c))
+		return NULL;
 	SHA1_Update(&c,d,n);
 	SHA1_Final(md,&c);
-	memset(&c,0,sizeof(c));
+	OPENSSL_cleanse(&c,sizeof(c));
 	return(md);
 	}
 #endif