1 files changed, 11 insertions, 0 deletions

diff --git a/src/fido/param.h b/src/fido/param.h
index 9e12ac6..7d3c0cc 100644
--- a/src/fido/param.h
+++ b/src/fido/param.h
@@ -58,6 +58,11 @@
 #define FIDO_RANDOM_DEV                 "/dev/urandom"
 #endif
 
+/* Maximum message size in bytes. */
+#ifndef FIDO_MAXMSG
+#define FIDO_MAXMSG     1200
+#endif
+
 /* CTAP capability bits. */
 #define FIDO_CAP_WINK   0x01 /* if set, device supports CTAP_CMD_WINK */
 #define FIDO_CAP_CBOR   0x04 /* if set, device supports CTAP_CMD_CBOR */
@@ -80,5 +85,11 @@
 
 /* Supported extensions. */
 #define FIDO_EXT_HMAC_SECRET    0x01
+#define FIDO_EXT_CRED_PROTECT   0x02
+
+/* Supported credential protection policies. */
+#define FIDO_CRED_PROT_UV_OPTIONAL              0x01
+#define FIDO_CRED_PROT_UV_OPTIONAL_WITH_ID      0x02
+#define FIDO_CRED_PROT_UV_REQUIRED              0x03
 
 #endif /* !_FIDO_PARAM_H */