The Precomputation postprocess step is now done on batch level.

1 files changed, 17 insertions, 15 deletions

diff --git a/libcmix/cmix.c b/libcmix/cmix.c
index 9c983f0..1430532 100644
--- a/libcmix/cmix.c
+++ b/libcmix/cmix.c
@@ -284,21 +284,23 @@ enum cmix_error key_exchange_initiator(struct CMixContext const* ctx, GroupEleme
 	return no_error;
 }
 
-enum cmix_error post_process(struct CMixContext* ctx, char* r_out, char* m_out, char const* r_epirs, char const* m_epirs, size_t index) {
-	GroupElement x = ctx->api.array_to_element(r_epirs, get_group_element_array_size(ctx), true);
-	GroupElement D = ctx->api.get_decryption_share(x, ctx->keypair.sec);
-	
-	GroupElement msg = ctx->api.array_to_element(m_epirs, get_group_element_array_size(ctx), true);
-	GroupElement pirs = ctx->api.multiply(D, msg, true);
-	element_to_buffer(ctx, m_out, pirs);
-	
-	memcpy(r_out, r_epirs, get_group_element_array_size(ctx));
-	
-	ctx->pirs[index] = pirs; // this is not always usable as only the last node will be able to use this effectively, but we store it anyways.
-	
-	ctx->api.free_group_element(x);
-	ctx->api.free_group_element(D);
-	ctx->api.free_group_element(msg);
+enum cmix_error post_process(struct CMixContext* ctx, char** r_out, char** m_out, const char** r_epirs, const char** m_epirs, size_t nr_elements) {
+	for(size_t i = 0; i < nr_elements; ++i) {
+		GroupElement x = ctx->api.array_to_element(r_epirs[i], get_group_element_array_size(ctx), true);
+		GroupElement D = ctx->api.get_decryption_share(x, ctx->keypair.sec);
+		
+		GroupElement msg = ctx->api.array_to_element(m_epirs[i], get_group_element_array_size(ctx), true);
+		GroupElement pirs = ctx->api.multiply(D, msg, true);
+		element_to_buffer(ctx, m_out[i], pirs);
+		
+		memcpy(r_out[i], r_epirs[i], get_group_element_array_size(ctx));
+		
+		ctx->pirs[i] = pirs; // this is not always usable as only the last node will be able to use this effectively, but we store it anyways.
+		
+		ctx->api.free_group_element(x);
+		ctx->api.free_group_element(D);
+		ctx->api.free_group_element(msg);
+	}
 	
 	return no_error;
 }