From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
This patch adds self-tests for the legacy (non-Secure Connections) SMP
crypto functions. The sample data has been taken from the core
specification.
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
net/bluetooth/smp.c | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 95 insertions(+)
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 79af975e83ab..e4d6ae5028f5 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -3026,9 +3026,104 @@ void smp_unregister(struct hci_dev *hdev)
#ifdef CONFIG_BT_SELFTEST
+static int test_ah(struct crypto_blkcipher *tfm_aes)
+{
+ const u8 const irk[16] = {
+ 0x9b, 0x7d, 0x39, 0x0a, 0xa6, 0x10, 0x10, 0x34,
+ 0x05, 0xad, 0xc8, 0x57, 0xa3, 0x34, 0x02, 0xec };
+ const u8 const r[3] = { 0x94, 0x81, 0x70 };
+ const u8 const exp[3] = { 0xaa, 0xfb, 0x0d };
+ u8 res[3];
+ int err;
+
+ err = smp_ah(tfm_aes, irk, r, res);
+ if (err)
+ return err;
+
+ if (memcmp(res, exp, 3) != 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int test_c1(struct crypto_blkcipher *tfm_aes)
+{
+ const u8 const k[16] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ const u8 const r[16] = {
+ 0xe0, 0x2e, 0x70, 0xc6, 0x4e, 0x27, 0x88, 0x63,
+ 0x0e, 0x6f, 0xad, 0x56, 0x21, 0xd5, 0x83, 0x57 };
+ const u8 const preq[7] = { 0x01, 0x01, 0x00, 0x00, 0x10, 0x07, 0x07 };
+ const u8 const pres[7] = { 0x02, 0x03, 0x00, 0x00, 0x08, 0x00, 0x05 };
+ const u8 _iat = 0x01;
+ const u8 _rat = 0x00;
+ const bdaddr_t ra = { { 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1 } };
+ const bdaddr_t ia = { { 0xa6, 0xa5, 0xa4, 0xa3, 0xa2, 0xa1 } };
+ const u8 const exp[16] = {
+ 0x86, 0x3b, 0xf1, 0xbe, 0xc5, 0x4d, 0xa7, 0xd2,
+ 0xea, 0x88, 0x89, 0x87, 0xef, 0x3f, 0x1e, 0x1e };
+ u8 res[16];
+ int err;
+
+ err = smp_c1(tfm_aes, k, r, preq, pres, _iat, &ia, _rat, &ra, res);
+ if (err)
+ return err;
+
+ if (memcmp(res, exp, 16) != 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int test_s1(struct crypto_blkcipher *tfm_aes)
+{
+ const u8 const k[16] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ const u8 const r1[16] = {
+ 0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11 };
+ const u8 const r2[16] = {
+ 0x00, 0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99 };
+ const u8 const exp[16] = {
+ 0x62, 0xa0, 0x6d, 0x79, 0xae, 0x16, 0x42, 0x5b,
+ 0x9b, 0xf4, 0xb0, 0xe8, 0xf0, 0xe1, 0x1f, 0x9a };
+ u8 res[16];
+ int err;
+
+ err = smp_s1(tfm_aes, k, r1, r2, res);
+ if (err)
+ return err;
+
+ if (memcmp(res, exp, 16) != 0)
+ return -EINVAL;
+
+ return 0;
+}
+
static int run_selftests(struct seq_file *f, struct crypto_blkcipher *tfm_aes,
struct crypto_hash *tfm_cmac)
{
+ int err;
+
+ err = test_ah(tfm_aes);
+ if (err) {
+ seq_printf(f, "smp_ah test failed\n");
+ return err;
+ }
+
+ err = test_c1(tfm_aes);
+ if (err) {
+ seq_printf(f, "smp_c1 test failed\n");
+ return err;
+ }
+
+ err = test_s1(tfm_aes);
+ if (err) {
+ seq_printf(f, "smp_s1 test failed\n");
+ return err;
+ }
+
return 0;
}
--
2.1.0
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