integrity: Allow sigv3 verification on EVM_XATTR_PORTABLE_DIGSIG

Allow sigv3 verification on EVM_XATTR_PORTABLE_DIGSIG on RSA, ECDSA,
ECRDSA, and SM2 signatures.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>

diff --git a/security/integrity/digsig_asymmetric.c b/security/integrity/digsig_asymmetric.c
index 6b21b9bf829e1048f5f7579e8c60332c3fc0edfc..6e68ec3becbd1eed42505515816aff0d243e8cbf 100644 (file)
--- a/security/integrity/digsig_asymmetric.c
+++ b/security/integrity/digsig_asymmetric.c
@@ -154,7 +154,8 @@ static int calc_file_id_hash(enum evm_ima_xattr_type type,
        size_t file_id_size;
        int rc;
 
-       if (type != IMA_VERITY_DIGSIG && type != EVM_IMA_XATTR_DIGSIG)
+       if (type != IMA_VERITY_DIGSIG && type != EVM_IMA_XATTR_DIGSIG &&
+           type != EVM_XATTR_PORTABLE_DIGSIG)
                return -EINVAL;
 
        tfm = crypto_alloc_shash(hash_algo_name[algo], 0, 0);