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-rw-r--r--src/lib/pubkey/newhope/newhope.h44
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diff --git a/src/lib/pubkey/newhope/newhope.h b/src/lib/pubkey/newhope/newhope.h
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+/*
+* NEWHOPE Ring-LWE scheme
+* Based on the public domain reference implementation by the
+* designers (https://github.com/tpoeppelmann/newhope)
+*
+* Further changes
+* (C) 2016 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_NEWHOPE_H__
+#define BOTAN_NEWHOPE_H__
+
+#include <botan/rng.h>
+
+namespace Botan {
+
+/*
+* WARNING: This API is preliminary and will change
+* Currently pubkey.h does not support a 2-phase KEM scheme of
+* the sort NEWHOPE exports.
+*/
+#define NEWHOPE_SENDABYTES 1824
+#define NEWHOPE_SENDBBYTES 2048
+
+typedef struct {
+ uint16_t coeffs[1024];
+} newhope_poly;
+
+void BOTAN_DLL newhope_keygen(uint8_t *send, newhope_poly *sk, RandomNumberGenerator& rng);
+void BOTAN_DLL newhope_sharedb(uint8_t *sharedkey, uint8_t *send, const uint8_t *received, RandomNumberGenerator& rng);
+void BOTAN_DLL newhope_shareda(uint8_t *sharedkey, const newhope_poly *ska, const uint8_t *received);
+
+
+/*
+* This is just exposed for testing
+*/
+void BOTAN_DLL newhope_hash(uint8_t *output, const uint8_t *input, size_t inputByteLen);
+
+
+}
+
+#endif