1 files changed, 75 insertions, 0 deletions
diff --git a/libs/libsodium/src/include/sodium/crypto_vrf.h b/libs/libsodium/src/include/sodium/crypto_vrf.h
new file mode 100644
index 0000000000..e3b65b94e9
--- /dev/null
+++ b/libs/libsodium/src/include/sodium/crypto_vrf.h
@@ -0,0 +1,75 @@
+#ifndef crypto_vrf_H
+#define crypto_vrf_H
+
+/*
+ * THREAD SAFETY: crypto_vrf_keypair() is thread-safe,
+ * provided that sodium_init() was called before.
+ *
+ * Other functions, including crypto_vrf_keypair_from_seed(), are always thread-safe.
+ */
+
+#include <stddef.h>
+
+#include "crypto_vrf_rfc9381.h"
+#include "export.h"
+
+#ifdef __cplusplus
+# ifdef __GNUC__
+#  pragma GCC diagnostic ignored "-Wlong-long"
+# endif
+extern "C" {
+#endif
+
+#define crypto_vrf_PROOFBYTES crypto_vrf_rfc9381_BYTES
+SODIUM_EXPORT
+size_t crypto_vrf_bytes(void);
+
+#define crypto_vrf_OUTPUTBYTES crypto_vrf_rfc9381_OUTPUTBYTES
+SODIUM_EXPORT
+size_t crypto_vrf_outputbytes(void);
+
+#define crypto_vrf_SEEDBYTES crypto_vrf_rfc9381_SEEDBYTES
+SODIUM_EXPORT
+size_t crypto_vrf_seedbytes(void);
+
+#define crypto_vrf_PUBLICKEYBYTES crypto_vrf_rfc9381_PUBLICKEYBYTES
+SODIUM_EXPORT
+size_t crypto_vrf_publickeybytes(void);
+
+#define crypto_vrf_SECRETKEYBYTES crypto_vrf_rfc9381_SECRETKEYBYTES
+SODIUM_EXPORT
+size_t crypto_vrf_secretkeybytes(void);
+
+#define crypto_vrf_PRIMITIVE "rfc9381"
+SODIUM_EXPORT
+const char *crypto_vrf_primitive(void);
+
+SODIUM_EXPORT
+int crypto_vrf_keypair(unsigned char *pk, unsigned char *sk)
+                       __attribute__ ((nonnull));
+
+SODIUM_EXPORT
+int crypto_vrf_seed_keypair(unsigned char *pk, unsigned char *sk,
+				            const unsigned char *seed)
+                            __attribute__ ((nonnull));
+
+SODIUM_EXPORT
+int crypto_vrf_prove(unsigned char *proof, const unsigned char *m,
+                     unsigned long long mlen, const unsigned char *sk)
+                     __attribute__ ((nonnull));
+
+SODIUM_EXPORT
+int crypto_vrf_verify(unsigned char *output,
+                      const unsigned char *pk,
+                      const unsigned char *proof,
+                      const unsigned char *m, unsigned long long mlen)
+                      __attribute__ ((warn_unused_result))  __attribute__ ((nonnull));
+
+SODIUM_EXPORT
+int crypto_vrf_proof_to_hash(unsigned char *hash, const unsigned char *proof);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif