Implementation of Sprout proving and verifying

include/librustzcash.h

@@ -76,6 +76,53 @@ extern "C" {
     /// Frees a Sapling verification context returned from
     /// `librustzcash_sapling_verification_ctx_init`.
     void librustzcash_sapling_verification_ctx_free(void *);
+
+    /// Sprout JoinSplit proof generation.
+    void librustzcash_sprout_prove(
+        unsigned char *proof_out,
+
+        const unsigned char *phi,
+        const unsigned char *rt,
+        const unsigned char *h_sig,
+
+        const unsigned char *in_sk1,
+        uint64_t in_value1,
+        const unsigned char *in_rho1,
+        const unsigned char *in_r1,
+        const unsigned char *in_auth1,
+
+        const unsigned char *in_sk2,
+        uint64_t in_value2,
+        const unsigned char *in_rho2,
+        const unsigned char *in_r2,
+        const unsigned char *in_auth2,
+
+        const unsigned char *out_pk1,
+        uint64_t out_value1,
+        const unsigned char *out_r1,
+
+        const unsigned char *out_pk2,
+        uint64_t out_value2,
+        const unsigned char *out_r2,
+
+        uint64_t vpub_old,
+        uint64_t vpub_new
+    );
+
+    /// Sprout JoinSplit proof verification.
+    bool librustzcash_sprout_verify(
+        const unsigned char *proof,
+        const unsigned char *rt,
+        const unsigned char *h_sig,
+        const unsigned char *mac1,
+        const unsigned char *mac2,
+        const unsigned char *nf1,
+        const unsigned char *nf2,
+        const unsigned char *cm1,
+        const unsigned char *cm2,
+        uint64_t vpub_old,
+        uint64_t vpub_new
+    );
 }
 
 #endif // LIBRUSTZCASH_INCLUDE_H_