Disabled XTS mode in enc utility as it is not supported

PR#3442

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>

diff --git a/apps/enc.c b/apps/enc.c
index 928d16bccc811ffbee950130cd1a07587ff3154b..75d97bbc27fbc713477c5f741286cd2e0800b90a 100644 (file)
--- a/apps/enc.c
+++ b/apps/enc.c
@@ -339,6 +339,12 @@ bad:
                goto end;
                }
 
+       if (cipher && (EVP_CIPHER_mode(cipher) == EVP_CIPH_XTS_MODE))
+               {
+               BIO_printf(bio_err, "Ciphers in XTS mode are not supported by the enc utility\n");
+               goto end;
+               }
+
        if (md && (dgst=EVP_get_digestbyname(md)) == NULL)
                {
                BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);