Initial version

1 files changed, 56 insertions, 0 deletions

diff --git a/include/libuecc/ecc.h b/include/libuecc/ecc.h
new file mode 100644
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--- /dev/null
+++ b/include/libuecc/ecc.h
@@ -0,0 +1,56 @@
+/*
+  Copyright (c) 2012, Matthias Schiffer <mschiffer@universe-factory.net>
+  Partly based on public domain code by Matthew Dempsky and D. J. Bernstein.
+  All rights reserved.
+
+  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 _LIBUECC_ECC_H_
+#define _LIBUECC_ECC_H_
+
+typedef struct _ec_public_key_xyz_256_work {
+	unsigned int X[32];
+	unsigned int Y[32];
+	unsigned int Z[32];
+} ec_public_key_xyz_256_work;
+
+typedef struct _ec_public_key_256 {
+	unsigned char p[32];
+} ec_public_key_256;
+
+typedef struct _ec_secret_key_256 {
+	unsigned char s[32];
+} ec_secret_key_256;
+
+typedef ec_public_key_xyz_256_work ec_25519_work;
+
+
+void ec_25519_inflate(ec_25519_work *out, const ec_public_key_256 *in);
+void ec_25519_deflate(ec_public_key_256 *out, ec_25519_work *in);
+
+void ec_25519_add(ec_25519_work *out, const ec_25519_work *in1, const ec_25519_work *in2);
+
+void ec_25519_double(ec_25519_work *out, const ec_25519_work *in);
+
+void ec_25519_scalarmult(ec_25519_work *out, const ec_secret_key_256 *n, const ec_25519_work *base);
+
+#endif /* _LIBUECC_ECC_H_ */