Add liboqs

1 files changed, 41 insertions, 0 deletions

diff --git a/lib/liboqs/src/sig/sphincs/pqclean_sphincs-sha256-256s-simple_clean/wots.h b/lib/liboqs/src/sig/sphincs/pqclean_sphincs-sha256-256s-simple_clean/wots.h
new file mode 100644
index 000000000..ed8176007
--- /dev/null
+++ b/lib/liboqs/src/sig/sphincs/pqclean_sphincs-sha256-256s-simple_clean/wots.h
@@ -0,0 +1,41 @@
+#ifndef PQCLEAN_SPHINCSSHA256256SSIMPLE_CLEAN_WOTS_H
+#define PQCLEAN_SPHINCSSHA256256SSIMPLE_CLEAN_WOTS_H
+
+#include "hash_state.h"
+#include "params.h"
+#include <stdint.h>
+
+/**
+ * WOTS key generation. Takes a 32 byte seed for the private key, expands it to
+ * a full WOTS private key and computes the corresponding public key.
+ * It requires the seed pub_seed (used to generate bitmasks and hash keys)
+ * and the address of this WOTS key pair.
+ *
+ * Writes the computed public key to 'pk'.
+ */
+void PQCLEAN_SPHINCSSHA256256SSIMPLE_CLEAN_wots_gen_pk(
+    unsigned char *pk, const unsigned char *sk_seed,
+    const unsigned char *pub_seed, uint32_t addr[8],
+    const hash_state *hash_state_seeded);
+
+/**
+ * Takes a n-byte message and the 32-byte seed for the private key to compute a
+ * signature that is placed at 'sig'.
+ */
+void PQCLEAN_SPHINCSSHA256256SSIMPLE_CLEAN_wots_sign(
+    unsigned char *sig, const unsigned char *msg,
+    const unsigned char *sk_seed, const unsigned char *pub_seed,
+    uint32_t addr[8], const hash_state *hash_state_seeded);
+
+/**
+ * Takes a WOTS signature and an n-byte message, computes a WOTS public key.
+ *
+ * Writes the computed public key to 'pk'.
+ */
+void PQCLEAN_SPHINCSSHA256256SSIMPLE_CLEAN_wots_pk_from_sig(
+    unsigned char *pk,
+    const unsigned char *sig, const unsigned char *msg,
+    const unsigned char *pub_seed, uint32_t addr[8],
+    const hash_state *hash_state_seeded);
+
+#endif