Separate ec25519-fhmqvc into multiple source files

1 files changed, 93 insertions, 0 deletions

diff --git a/src/protocols/ec25519_fhmqvc/util.c b/src/protocols/ec25519_fhmqvc/util.c
new file mode 100644
index 0000000..07f4724
--- /dev/null
+++ b/src/protocols/ec25519_fhmqvc/util.c
@@ -0,0 +1,93 @@
+/*
+  Copyright (c) 2012-2013, Matthias Schiffer <mschiffer@universe-factory.net>
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright notice,
+       this list of conditions and the following disclaimer in the documentation
+       and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include "ec25519_fhmqvc.h"
+
+
+static inline void print_hexdump(const char *desc, unsigned char d[32]) {
+	char buf[65];
+	hexdump(buf, d);
+
+	printf("%s%s\n", desc, buf);
+}
+
+void fastd_protocol_ec25519_fhmqvc_generate_key(fastd_context_t *ctx) {
+	ecc_int256_t secret_key;
+	ecc_int256_t public_key;
+
+	if (!ctx->conf->machine_readable)
+		pr_info(ctx, "Reading 32 bytes from /dev/random...");
+
+	fastd_random_bytes(ctx, secret_key.p, 32, true);
+	ecc_25519_gf_sanitize_secret(&secret_key, &secret_key);
+
+	ecc_25519_work_t work;
+	ecc_25519_scalarmult_base(&work, &secret_key);
+	ecc_25519_store_packed(&public_key, &work);
+
+	if (ctx->conf->machine_readable) {
+		print_hexdump("", secret_key.p);
+	}
+	else {
+		print_hexdump("Secret: ", secret_key.p);
+		print_hexdump("Public: ", public_key.p);
+	}
+}
+
+void fastd_protocol_ec25519_fhmqvc_show_key(fastd_context_t *ctx) {
+	if (ctx->conf->machine_readable)
+		print_hexdump("", ctx->conf->protocol_config->key.public.p);
+	else
+		print_hexdump("Public: ", ctx->conf->protocol_config->key.public.p);
+}
+
+void fastd_protocol_ec25519_fhmqvc_set_shell_env(fastd_context_t *ctx, const fastd_peer_t *peer) {
+	char buf[65];
+
+	hexdump(buf, ctx->conf->protocol_config->key.public.p);
+	setenv("LOCAL_KEY", buf, 1);
+
+	if (peer && peer->protocol_config) {
+		hexdump(buf, peer->protocol_config->public_key.p);
+		setenv("PEER_KEY", buf, 1);
+	}
+	else {
+		unsetenv("PEER_KEY");
+	}
+}
+
+bool fastd_protocol_ec25519_fhmqvc_describe_peer(const fastd_context_t *ctx UNUSED, const fastd_peer_t *peer, char *buf, size_t len) {
+	if (peer && peer->protocol_config) {
+		char dumpbuf[65];
+
+		hexdump(dumpbuf, peer->protocol_config->public_key.p);
+		snprintf(buf, len, "%.16s", dumpbuf);
+		return true;
+	}
+	else {
+		return false;
+	}
+}