1 files changed, 62 insertions, 23 deletions

diff --git a/scratchpad/scratchpad.c b/scratchpad/scratchpad.c
index 4e7f007..ba7cca9 100644
--- a/scratchpad/scratchpad.c
+++ b/scratchpad/scratchpad.c
@@ -9,34 +9,15 @@
 #include <string.h>
 #include <stddef.h>
 
+void crypto_add_sub_scratch();
 void crypto_api_scratch();
 void gcrypt_scratch();
 
 int main(int argc, char* argv[]) {
-	if (!gcry_check_version (GCRYPT_VERSION)) {
-		fprintf(stderr, "libgcrypt version mismatch\n");
-		exit(-1);
-	}
-
-	gcry_control (GCRYCTL_SUSPEND_SECMEM_WARN);
-	gcry_control (GCRYCTL_INIT_SECMEM, 16384, 0);
-	gcry_control (GCRYCTL_RESUME_SECMEM_WARN);
-	gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
-	
-	size_t parse_error_offset;
-	gcry_error_t error;
-	
-	char bytes[] = "a";
-	gcry_mpi_t x;// = gcry_mpi_snew(0);
-	error = gcry_mpi_scan(&x, GCRYMPI_FMT_USG, bytes, 1, &parse_error_offset);
-	
-	gcry_mpi_release(x);
+	(void) argc;
+	(void) argv;
 	
-	if(error) {
-		return -1;
-	}
-	
-	return 0;
+	crypto_add_sub_scratch();
 }
 
 void check(gcry_error_t error) {
@@ -121,6 +102,64 @@ void gcrypt_scratch() {
 	gcry_sexp_release(plain_sexpr);
 }
 
+void crypto_add_sub_scratch() {
+	struct Api api = get_implementation();
+	
+	gcry_ctx_t ctx;
+	gcry_error_t error = gcry_mpi_ec_new(&ctx, NULL, "Ed25519");
+	
+	GroupElement rel1 = api.get_group_element(false);
+	GroupElement rel2 = api.get_group_element(false);
+	
+	gcry_mpi_point_t red_add_raw = gcry_mpi_point_new(0);
+	gcry_mpi_ec_add(red_add_raw, rel1, rel2, ctx);
+	
+	GroupElement rel_add = api.combine(rel1, rel2, false);
+	GroupElement rel_sub = api.uncombine(rel_add, rel2, false);
+	
+	gcry_mpi_t xaddraw = gcry_mpi_new(0);
+	gcry_mpi_t yaddraw = gcry_mpi_new(0);
+	
+	gcry_mpi_ec_get_affine(xaddraw, yaddraw, red_add_raw, ctx);
+	
+	gcry_mpi_dump(xaddraw);
+	printf("\n");
+	gcry_mpi_dump(yaddraw);
+	printf("\n");
+	
+	gcry_mpi_t xaddapi = gcry_mpi_new(0);
+	gcry_mpi_t yaddapi = gcry_mpi_new(0);
+	
+	gcry_mpi_ec_get_affine(xaddapi, yaddapi, rel_add, ctx);
+	
+	gcry_mpi_dump(xaddapi);
+	printf("\n");
+	gcry_mpi_dump(yaddapi);
+	printf("\n");
+	
+	
+	gcry_mpi_t x1 = gcry_mpi_new(0);
+	gcry_mpi_t y1 = gcry_mpi_new(0);
+	
+	gcry_mpi_ec_get_affine(x1, y1, rel1, ctx);
+
+	gcry_mpi_dump(x1);
+	printf("\n");
+	gcry_mpi_dump(y1);
+	printf("\n");
+	
+	gcry_mpi_t x2 = gcry_mpi_new(0);
+	gcry_mpi_t y2 = gcry_mpi_new(0);
+	
+	gcry_mpi_ec_get_affine(x2, y2, rel_sub, ctx);
+	
+	gcry_mpi_dump(x2);
+	printf("\n");
+	gcry_mpi_dump(y2);
+	printf("\n");
+	
+}
+
 void crypto_api_scratch() {
 /*	struct Api api = get_implementation();