1 files changed, 113 insertions, 0 deletions
diff --git a/src/fido/credman.h b/src/fido/credman.h
new file mode 100644
index 0000000..9f9dff1
--- /dev/null
+++ b/src/fido/credman.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2019-2021 Yubico AB. All rights reserved.
+ * SPDX-License-Identifier: BSD-2-Clause
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *    2. Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _FIDO_CREDMAN_H
+#define _FIDO_CREDMAN_H
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#ifdef _FIDO_INTERNAL
+#include "blob.h"
+#include "fido/err.h"
+#include "fido/param.h"
+#include "fido/types.h"
+#else
+#include <fido.h>
+#include <fido/err.h>
+#include <fido/param.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#ifdef _FIDO_INTERNAL
+struct fido_credman_metadata {
+	uint64_t rk_existing;
+	uint64_t rk_remaining;
+};
+
+struct fido_credman_single_rp {
+	fido_rp_t rp_entity;
+	fido_blob_t rp_id_hash;
+};
+
+struct fido_credman_rp {
+	struct fido_credman_single_rp *ptr;
+	size_t n_alloc; /* number of allocated entries */
+	size_t n_rx;    /* number of populated entries */
+};
+
+struct fido_credman_rk {
+	fido_cred_t *ptr;
+	size_t n_alloc; /* number of allocated entries */
+	size_t n_rx;    /* number of populated entries */
+};
+#endif
+
+typedef struct fido_credman_metadata fido_credman_metadata_t;
+typedef struct fido_credman_rk fido_credman_rk_t;
+typedef struct fido_credman_rp fido_credman_rp_t;
+
+const char *fido_credman_rp_id(const fido_credman_rp_t *, size_t);
+const char *fido_credman_rp_name(const fido_credman_rp_t *, size_t);
+
+const fido_cred_t *fido_credman_rk(const fido_credman_rk_t *, size_t);
+const unsigned char *fido_credman_rp_id_hash_ptr(const fido_credman_rp_t *,
+    size_t);
+
+fido_credman_metadata_t *fido_credman_metadata_new(void);
+fido_credman_rk_t *fido_credman_rk_new(void);
+fido_credman_rp_t *fido_credman_rp_new(void);
+
+int fido_credman_del_dev_rk(fido_dev_t *, const unsigned char *, size_t,
+    const char *);
+int fido_credman_get_dev_metadata(fido_dev_t *, fido_credman_metadata_t *,
+    const char *);
+int fido_credman_get_dev_rk(fido_dev_t *, const char *, fido_credman_rk_t *,
+    const char *);
+int fido_credman_get_dev_rp(fido_dev_t *, fido_credman_rp_t *, const char *);
+int fido_credman_set_dev_rk(fido_dev_t *, fido_cred_t *, const char *);
+
+size_t fido_credman_rk_count(const fido_credman_rk_t *);
+size_t fido_credman_rp_count(const fido_credman_rp_t *);
+size_t fido_credman_rp_id_hash_len(const fido_credman_rp_t *, size_t);
+
+uint64_t fido_credman_rk_existing(const fido_credman_metadata_t *);
+uint64_t fido_credman_rk_remaining(const fido_credman_metadata_t *);
+
+void fido_credman_metadata_free(fido_credman_metadata_t **);
+void fido_credman_rk_free(fido_credman_rk_t **);
+void fido_credman_rp_free(fido_credman_rp_t **);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif /* __cplusplus */
+
+#endif /* !_FIDO_CREDMAN_H */