TCRYPT: add dump command

[platform/upstream/cryptsetup.git] / lib / tcrypt / tcrypt.c

diff --git a/lib/tcrypt/tcrypt.c b/lib/tcrypt/tcrypt.c
index 2f68d9c..fdd3ce4 100644 (file)
--- a/lib/tcrypt/tcrypt.c
+++ b/lib/tcrypt/tcrypt.c
@@ -766,3 +766,23 @@ int TCRYPT_get_volume_key(struct crypt_device *cd,
 
        return 0;
 }
+
+int TCRYPT_dump(struct crypt_device *cd,
+               struct tcrypt_phdr *hdr,
+               struct crypt_params_tcrypt *params)
+{
+       log_std(cd, "TCRYPT header information for %s\n",
+               device_path(crypt_metadata_device(cd)));
+       if (hdr->d.version) {
+               log_std(cd, "Version:       \t%d\n", hdr->d.version);
+               log_std(cd, "Driver req.:\t%d\n", hdr->d.version_tc);
+
+               log_std(cd, "Sector size:\t%" PRIu32 "\n", hdr->d.sector_size);
+               log_std(cd, "MK offset:\t%" PRIu64 "\n", hdr->d.mk_offset);
+               log_std(cd, "PBKDF2 hash:\t%s\n", params->hash_name);
+       }
+       log_std(cd, "Cipher chain:\t%s\n", params->cipher);
+       log_std(cd, "Cipher mode:\t%s\n", params->mode);
+       log_std(cd, "MK bits:       \t%d\n", params->key_size * 8);
+       return 0;
+}