Added ref10 shen_ed25519_ref code, which includes code that can replace crypto-ops with a version straight from Bernstein's ref 10

1 files changed, 23 insertions, 0 deletions

diff --git a/src/crypto/shen_ed25519_ref/ref10/keypair.c b/src/crypto/shen_ed25519_ref/ref10/keypair.c
new file mode 100644
index 000000000..ac6cea2b7
--- /dev/null
+++ b/src/crypto/shen_ed25519_ref/ref10/keypair.c
@@ -0,0 +1,23 @@
+#include <string.h>
+#include "randombytes.h"
+#include "crypto_sign.h"
+#include "crypto_hash_sha512.h"
+#include "ge.h"
+
+int crypto_sign_keypair(unsigned char *pk,unsigned char *sk)
+{
+  unsigned char az[64];
+  ge_p3 A;
+
+  randombytes(sk,32);
+  crypto_hash_sha512(az,sk,32);
+  az[0] &= 248;
+  az[31] &= 63;
+  az[31] |= 64;
+
+  ge_scalarmult_base(&A,az);
+  ge_p3_tobytes(pk,&A);
+
+  memmove(sk + 32,pk,32);
+  return 0;
+}