1 files changed, 71 insertions, 0 deletions
diff --git a/src/fido/eddsa.h b/src/fido/eddsa.h
new file mode 100644
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+++ b/src/fido/eddsa.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2019 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_EDDSA_H
+#define _FIDO_EDDSA_H
+
+#include <openssl/ec.h>
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#ifdef _FIDO_INTERNAL
+#include "types.h"
+#else
+#include <fido.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+eddsa_pk_t *eddsa_pk_new(void);
+void eddsa_pk_free(eddsa_pk_t **);
+EVP_PKEY *eddsa_pk_to_EVP_PKEY(const eddsa_pk_t *);
+
+int eddsa_pk_from_EVP_PKEY(eddsa_pk_t *, const EVP_PKEY *);
+int eddsa_pk_from_ptr(eddsa_pk_t *, const void *, size_t);
+
+#ifdef _FIDO_INTERNAL
+
+#if defined(LIBRESSL_VERSION_NUMBER)
+#define EVP_PKEY_ED25519 EVP_PKEY_NONE
+int EVP_PKEY_get_raw_public_key(const EVP_PKEY *, unsigned char *, size_t *);
+EVP_PKEY *EVP_PKEY_new_raw_public_key(int, ENGINE *, const unsigned char *,
+    size_t);
+int EVP_DigestVerify(EVP_MD_CTX *, const unsigned char *, size_t,
+    const unsigned char *, size_t);
+#endif /* LIBRESSL_VERSION_NUMBER */
+
+#endif /* _FIDO_INTERNAL */
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif /* __cplusplus */
+
+#endif /* !_FIDO_EDDSA_H */