initial implementation of short authentication string generation

1 files changed, 117 insertions, 0 deletions

diff --git a/tests/test_sas.cpp b/tests/test_sas.cpp
new file mode 100644
index 0000000..3578244
--- /dev/null
+++ b/tests/test_sas.cpp
@@ -0,0 +1,117 @@
+#include "olm/sas.h"
+#include "olm/crypto.h"
+#include "olm/olm.h"
+
+#include "unittest.hh"
+
+#include <iostream>
+
+int main() {
+
+
+{ /* Generate bytes */
+
+TestCase test_case("SAS generate bytes");
+
+std::uint8_t alice_private[32] = {
+    0x77, 0x07, 0x6D, 0x0A, 0x73, 0x18, 0xA5, 0x7D,
+    0x3C, 0x16, 0xC1, 0x72, 0x51, 0xB2, 0x66, 0x45,
+    0xDF, 0x4C, 0x2F, 0x87, 0xEB, 0xC0, 0x99, 0x2A,
+    0xB1, 0x77, 0xFB, 0xA5, 0x1D, 0xB9, 0x2C, 0x2A
+};
+
+const std::uint8_t *alice_public = (std::uint8_t *) "hSDwCYkwp1R0i33ctD73Wg2/Og0mOBr066SpjqqbTmo";
+
+std::uint8_t bob_private[32] = {
+    0x5D, 0xAB, 0x08, 0x7E, 0x62, 0x4A, 0x8A, 0x4B,
+    0x79, 0xE1, 0x7F, 0x8B, 0x83, 0x80, 0x0E, 0xE6,
+    0x6F, 0x3B, 0xB1, 0x29, 0x26, 0x18, 0xB6, 0xFD,
+    0x1C, 0x2F, 0x8B, 0x27, 0xFF, 0x88, 0xE0, 0xEB
+};
+
+const std::uint8_t *bob_public = (std::uint8_t *) "3p7bfXt9wbTTW2HC7OQ1Nz+DQ8hbeGdNrfx+FG+IK08";
+
+std::uint8_t alice_sas_buffer[olm_sas_size()];
+OlmSAS *alice_sas = olm_sas(alice_sas_buffer);
+olm_create_sas(alice_sas, alice_private, sizeof(alice_private));
+std::uint8_t bob_sas_buffer[olm_sas_size()];
+OlmSAS *bob_sas = olm_sas(bob_sas_buffer);
+olm_create_sas(bob_sas, bob_private, sizeof(bob_private));
+
+std::uint8_t pubkey[::olm_sas_pubkey_length(alice_sas)];
+
+olm_sas_get_pubkey(alice_sas, pubkey, sizeof(pubkey));
+
+assert_equals(alice_public, pubkey, olm_sas_pubkey_length(alice_sas));
+
+olm_sas_set_their_key(bob_sas, pubkey, olm_sas_pubkey_length(bob_sas));
+
+olm_sas_get_pubkey(bob_sas, pubkey, sizeof(pubkey));
+
+assert_equals(bob_public, pubkey, olm_sas_pubkey_length(bob_sas));
+
+olm_sas_set_their_key(alice_sas, pubkey, olm_sas_pubkey_length(alice_sas));
+
+std::uint8_t alice_bytes[6];
+std::uint8_t bob_bytes[6];
+
+olm_sas_generate_bytes(alice_sas, "SAS", 3, alice_bytes, 6);
+olm_sas_generate_bytes(bob_sas, "SAS", 3, bob_bytes, 6);
+
+assert_equals(alice_bytes, bob_bytes, 6);
+
+}
+
+{ /* Calculate MAC */
+
+TestCase test_case("SAS calculate MAC");
+
+std::uint8_t alice_private[32] = {
+    0x77, 0x07, 0x6D, 0x0A, 0x73, 0x18, 0xA5, 0x7D,
+    0x3C, 0x16, 0xC1, 0x72, 0x51, 0xB2, 0x66, 0x45,
+    0xDF, 0x4C, 0x2F, 0x87, 0xEB, 0xC0, 0x99, 0x2A,
+    0xB1, 0x77, 0xFB, 0xA5, 0x1D, 0xB9, 0x2C, 0x2A
+};
+
+const std::uint8_t *alice_public = (std::uint8_t *) "hSDwCYkwp1R0i33ctD73Wg2/Og0mOBr066SpjqqbTmo";
+
+std::uint8_t bob_private[32] = {
+    0x5D, 0xAB, 0x08, 0x7E, 0x62, 0x4A, 0x8A, 0x4B,
+    0x79, 0xE1, 0x7F, 0x8B, 0x83, 0x80, 0x0E, 0xE6,
+    0x6F, 0x3B, 0xB1, 0x29, 0x26, 0x18, 0xB6, 0xFD,
+    0x1C, 0x2F, 0x8B, 0x27, 0xFF, 0x88, 0xE0, 0xEB
+};
+
+const std::uint8_t *bob_public = (std::uint8_t *) "3p7bfXt9wbTTW2HC7OQ1Nz+DQ8hbeGdNrfx+FG+IK08";
+
+std::uint8_t alice_sas_buffer[olm_sas_size()];
+OlmSAS *alice_sas = olm_sas(alice_sas_buffer);
+olm_create_sas(alice_sas, alice_private, sizeof(alice_private));
+std::uint8_t bob_sas_buffer[olm_sas_size()];
+OlmSAS *bob_sas = olm_sas(bob_sas_buffer);
+olm_create_sas(bob_sas, bob_private, sizeof(bob_private));
+
+std::uint8_t pubkey[::olm_sas_pubkey_length(alice_sas)];
+
+olm_sas_get_pubkey(alice_sas, pubkey, sizeof(pubkey));
+
+assert_equals(alice_public, pubkey, olm_sas_pubkey_length(alice_sas));
+
+olm_sas_set_their_key(bob_sas, pubkey, olm_sas_pubkey_length(bob_sas));
+
+olm_sas_get_pubkey(bob_sas, pubkey, sizeof(pubkey));
+
+assert_equals(bob_public, pubkey, olm_sas_pubkey_length(bob_sas));
+
+olm_sas_set_their_key(alice_sas, pubkey, olm_sas_pubkey_length(alice_sas));
+
+std::uint8_t alice_mac[olm_sas_mac_length(alice_sas)];
+std::uint8_t bob_mac[olm_sas_mac_length(bob_sas)];
+
+olm_sas_calculate_mac(alice_sas, (void *) "Hello world!", 12, "MAC", 3, alice_mac, olm_sas_mac_length(alice_sas));
+olm_sas_calculate_mac(bob_sas, (void *) "Hello world!", 12, "MAC", 3, bob_mac, olm_sas_mac_length(bob_sas));
+
+assert_equals(alice_mac, bob_mac, olm_sas_mac_length(alice_sas));
+
+}
+}