Missing imports

cardano-crypto-praos/cbits/crypto_vrf.c

@@ -1,4 +1,6 @@
-
+#include "sodium/crypto_hash_sha512.h"
+#include "private/ed25519_ref10.h"
+#include "sodium/randombytes.h"
 #include "crypto_vrf.h"
 
 size_t
@@ -37,12 +39,6 @@ crypto_vrf_primitive(void)
     return crypto_vrf_PRIMITIVE;
 }
 
-int
-crypto_vrf_keypair(unsigned char *pk, unsigned char *sk)
-{
-    return crypto_vrf_ietfdraft03_keypair(pk, sk);
-}
-
 int
 crypto_vrf_seed_keypair(unsigned char *pk, unsigned char *sk,
                         const unsigned char *seed)
@@ -63,6 +59,19 @@ crypto_vrf_seed_keypair(unsigned char *pk, unsigned char *sk,
     return 0;
 }
 
+int
+crypto_vrf_keypair(unsigned char *pk, unsigned char *sk)
+{
+    unsigned char seed[32];
+    int           ret;
+
+    randombytes_buf(seed, sizeof seed);
+    ret = crypto_vrf_seed_keypair(pk, sk, seed);
+    sodium_memzero(seed, sizeof seed);
+
+    return ret;
+}
+
 int
 crypto_vrf_prove(unsigned char *proof, const unsigned char *skpk,
 		 const unsigned char *m, const unsigned long long mlen)

cardano-crypto-praos/cbits/crypto_vrf.h

@@ -11,7 +11,7 @@
 
 #include <stddef.h>
 
-#include "vrf03/crypto_vrf_ietfdraft03.h"
+#include "vrf13_batchcompat/crypto_vrf_ietfdraft13.h"
 #include "sodium/export.h"
 
 #ifdef __cplusplus
@@ -50,7 +50,7 @@ int crypto_vrf_keypair(unsigned char *pk, unsigned char *sk)
 __attribute__ ((nonnull));
 
 SODIUM_EXPORT
-int crypto_vrf_keypair_from_seed(unsigned char *pk, unsigned char *sk,
+int crypto_vrf_seed_keypair(unsigned char *pk, unsigned char *sk,
 				 const unsigned char *seed)
 __attribute__ ((nonnull));