make --imahash or --imasig optional for EVM signing

One might not want to change/set IMA xattr value when performing
EVM signing.

Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>

diff --git a/src/evmctl.c b/src/evmctl.c
index 0fe2eb5..5207649 100644 (file)
--- a/src/evmctl.c
+++ b/src/evmctl.c
@@ -1090,12 +1090,6 @@ static int cmd_sign_evm(struct command *cmd)
                return -1;
        }
 
-       if (!digsig && !digest) {
-               log_err("Parameters missing\n");
-               print_usage(cmd);
-               return -1;
-       }
-
        key = keyfile ? : "/etc/keys/privkey_evm.pem";
 
        if (digsig) {
@@ -1544,12 +1538,6 @@ static int cmd_hmac_evm(struct command *cmd)
                return -1;
        }
 
-       if (!digsig && !digest) {
-               log_err("Parameters missing\n");
-               print_usage(cmd);
-               return -1;
-       }
-
        key = keyfile ? : "/etc/keys/privkey_evm.pem";
 
        if (digsig) {