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net: tls: Support 256 bit keys

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Wire up support for 256 bit keys from the setsockopt to the crypto
framework

Signed-off-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dave Watson
2019-01-30 21:58:05 +00:00
committed by David S. Miller
parent d3a5fd3c98
commit fb99bce712
5 changed files with 137 additions and 7 deletions
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62
tools/testing/selftests/net/tls.c
View File

@@ -763,4 +763,66 @@ TEST_F(tls, control_msg)
EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
}
TEST(keysizes) {
struct tls12_crypto_info_aes_gcm_256 tls12;
struct sockaddr_in addr;
int sfd, ret, fd, cfd;
socklen_t len;
bool notls;
notls = false;
len = sizeof(addr);
memset(&tls12, 0, sizeof(tls12));
tls12.info.version = TLS_1_2_VERSION;
tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = 0;
fd = socket(AF_INET, SOCK_STREAM, 0);
sfd = socket(AF_INET, SOCK_STREAM, 0);
ret = bind(sfd, &addr, sizeof(addr));
ASSERT_EQ(ret, 0);
ret = listen(sfd, 10);
ASSERT_EQ(ret, 0);
ret = getsockname(sfd, &addr, &len);
ASSERT_EQ(ret, 0);
ret = connect(fd, &addr, sizeof(addr));
ASSERT_EQ(ret, 0);
ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
if (ret != 0) {
notls = true;
printf("Failure setting TCP_ULP, testing without tls\n");
}
if (!notls) {
ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12,
sizeof(tls12));
EXPECT_EQ(ret, 0);
}
cfd = accept(sfd, &addr, &len);
ASSERT_GE(cfd, 0);
if (!notls) {
ret = setsockopt(cfd, IPPROTO_TCP, TCP_ULP, "tls",
sizeof("tls"));
EXPECT_EQ(ret, 0);
ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12,
sizeof(tls12));
EXPECT_EQ(ret, 0);
}
close(sfd);
close(fd);
close(cfd);
}
TEST_HARNESS_MAIN