1 files changed, 16 insertions, 0 deletions
diff --git a/libs/libaxolotl/src/curve25519/ed25519/additions/xeddsa.h b/libs/libaxolotl/src/curve25519/ed25519/additions/xeddsa.h
new file mode 100644
index 0000000000..b86d7f0d9d
--- /dev/null
+++ b/libs/libaxolotl/src/curve25519/ed25519/additions/xeddsa.h
@@ -0,0 +1,16 @@
+
+#ifndef __XEDDSA_H__
+#define __XEDDSA_H__
+
+/* returns 0 on success */
+int xed25519_sign(unsigned char* signature_out, /* 64 bytes */
+                  const unsigned char* curve25519_privkey, /* 32 bytes */
+                  const unsigned char* msg, const unsigned long msg_len, /* <= 256 bytes */
+                  const unsigned char* random); /* 64 bytes */
+
+/* returns 0 on success */
+int xed25519_verify(const unsigned char* signature, /* 64 bytes */
+                    const unsigned char* curve25519_pubkey, /* 32 bytes */
+                    const unsigned char* msg, const unsigned long msg_len); /* <= 256 bytes */
+
+#endif