enc: fix coverity 1451499, 1451501, 1451506, 1451507, 1351511, 1451514, 1451517,...

[openssl.git] / crypto / idea / i_ofb64.c

diff --git a/crypto/idea/i_ofb64.c b/crypto/idea/i_ofb64.c
index 89ac18ce9189b91c077493423a9885269cfaf11d..246886bdc43ca494ffbef3cf73532d397db92c2e 100644 (file)
--- a/crypto/idea/i_ofb64.c
+++ b/crypto/idea/i_ofb64.c
@@ -35,6 +35,11 @@ void IDEA_ofb64_encrypt(const unsigned char *in, unsigned char *out,
     unsigned char *iv;
     int save = 0;
 
     unsigned char *iv;
     int save = 0;
 

+    if (n < 0) {
+        *num = -1;
+        return;
+    }
+

     iv = (unsigned char *)ivec;
     n2l(iv, v0);
     n2l(iv, v1);
     iv = (unsigned char *)ivec;
     n2l(iv, v0);
     n2l(iv, v1);