Only require -iv for ciphers that use an IV!

diff --git a/apps/enc.c b/apps/enc.c
index 47c6eb604dfd967a0038ff7b4f4a6b890201cea2..f4f9a4c4a4e58d0a044f8e07129b446a11213046 100644 (file)
--- a/apps/enc.c
+++ b/apps/enc.c
@@ -533,7 +533,8 @@ bad:
                        BIO_printf(bio_err,"invalid hex iv value\n");
                        goto end;
                        }
-               if ((hiv == NULL) && (str == NULL))
+               if ((hiv == NULL) && (str == NULL)
+                   && EVP_CIPHER_iv_length(cipher) != 0)
                        {
                        /* No IV was explicitly set and no IV was generated
                         * during EVP_BytesToKey. Hence the IV is undefined,