summaryrefslogtreecommitdiff
path: root/code/core/crypto/test/aead_enc.c
diff options
context:
space:
mode:
authorUros Majstorovic <majstor@majstor.org>2017-05-23 14:19:26 +0200
committerUros Majstorovic <majstor@majstor.org>2017-05-23 14:19:26 +0200
commit3ef6719f47b734b12c0b11c725b7f12e3fb3c08a (patch)
treea635ac65bfc72d126d97e48e22c38ac33343b4f4 /code/core/crypto/test/aead_enc.c
parent922e8313f2b3f6157a61b3c867fdc3832bb92a68 (diff)
fs layout updated
Diffstat (limited to 'code/core/crypto/test/aead_enc.c')
-rw-r--r--code/core/crypto/test/aead_enc.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/code/core/crypto/test/aead_enc.c b/code/core/crypto/test/aead_enc.c
new file mode 100644
index 0000000..a103490
--- /dev/null
+++ b/code/core/crypto/test/aead_enc.c
@@ -0,0 +1,55 @@
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <crypto.h>
+#include <curve25519.h>
+
+#define NONCE_LEN 8
+#define TAG_LEN 16
+#define KEY_LEN 32
+
+static int v_rng(void *buf, size_t bufsize) {
+ int fd;
+
+ if((fd = open("/dev/urandom", O_RDONLY)) < 0) return -1;
+ size_t nb = read(fd, buf, bufsize);
+ close(fd);
+ if (nb != bufsize) return -1;
+ return 0;
+}
+
+int main(int argc, char *argv[]) {
+ unsigned char in_msg[1024];
+ unsigned char out_msg[1024];
+ size_t in_msg_len;
+ size_t out_msg_len;
+ int rv;
+ unsigned char public1[KEY_LEN];
+ unsigned char private1[KEY_LEN];
+ unsigned char public2[KEY_LEN];
+ unsigned char private2[KEY_LEN];
+ unsigned char key[KEY_LEN];
+ unsigned char nonce[NONCE_LEN];
+
+ strcpy((char *)in_msg, "PERA JE CAR!");
+ in_msg_len = strlen((char *)in_msg) + 1;
+
+ v_rng(nonce, NONCE_LEN);
+ X25519_keypair(public1, private1, v_rng);
+ X25519_keypair(public2, private2, v_rng);
+
+ X25519(key, private1, public2);
+ rv = aead_chacha20_poly1305_seal(out_msg, &out_msg_len, 1024, key, TAG_LEN, nonce, NONCE_LEN, in_msg, in_msg_len, NULL, 0);
+ printf("SEAL RV:%d ILEN:%lu OLEN:%lu\n", rv, in_msg_len, out_msg_len);
+
+ unlink("msg.enc");
+ int fd = open("msg.enc", O_WRONLY | O_CREAT);
+ write(fd, private2, KEY_LEN);
+ write(fd, public1, KEY_LEN);
+ write(fd, nonce, NONCE_LEN);
+ write(fd, out_msg, out_msg_len);
+ close(fd);
+} \ No newline at end of file