Add a unit test for tls1_PRF().

2 files changed, 257 insertions, 1 deletions

diff --git a/regress/lib/libssl/unit/Makefile b/regress/lib/libssl/unit/Makefile
index 264bd2c3db3..6b8a397c07d 100644
--- a/regress/lib/libssl/unit/Makefile
+++ b/regress/lib/libssl/unit/Makefile
@@ -1,8 +1,9 @@
-#	$OpenBSD: Makefile,v 1.8 2017/01/22 08:19:36 jsing Exp $
+#	$OpenBSD: Makefile,v 1.9 2017/03/10 15:06:15 jsing Exp $
 
 TEST_CASES+= cipher_list
 TEST_CASES+= ssl_versions
 TEST_CASES+= tls_ext_alpn
+TEST_CASES+= tls_prf
 
 REGRESS_TARGETS= all_tests
 
diff --git a/regress/lib/libssl/unit/tls_prf.c b/regress/lib/libssl/unit/tls_prf.c
new file mode 100644
index 00000000000..c6891eeea8c
--- /dev/null
+++ b/regress/lib/libssl/unit/tls_prf.c
@@ -0,0 +1,255 @@
+/* $OpenBSD: tls_prf.c,v 1.1 2017/03/10 15:06:15 jsing Exp $ */
+/*
+ * Copyright (c) 2017 Joel Sing <jsing@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <err.h>
+
+#include "ssl_locl.h"
+
+int tls1_PRF(SSL *s, const void *seed1, int seed1_len, const void *seed2,
+    int seed2_len, const void *seed3, int seed3_len, const void *seed4,
+    int seed4_len, const void *seed5, int seed5_len, const unsigned char *sec,
+    int slen, unsigned char *out1, unsigned char *out2, int olen);
+
+#define TLS_PRF_OUT_LEN 128
+
+struct tls_prf_test {
+	const unsigned char *desc;
+	const SSL_METHOD *(*ssl_method)(void);
+	const uint16_t cipher_value;
+	const unsigned char out[TLS_PRF_OUT_LEN];
+};
+
+static struct tls_prf_test tls_prf_tests[] = {
+	{
+		.desc = "MD5+SHA1",
+		.ssl_method = TLSv1_method,
+		.cipher_value = 0x0033,
+		.out = {
+			0x03, 0xa1, 0xc1, 0x7d, 0x2c, 0xa5, 0x3d, 0xe8,
+			0x9d, 0x59, 0x5e, 0x30, 0xf5, 0x71, 0xbb, 0x96,
+			0xde, 0x5c, 0x8e, 0xdc, 0x25, 0x8a, 0x7c, 0x05,
+			0x9f, 0x7d, 0x35, 0x29, 0x45, 0xae, 0x56, 0xad,
+			0x9f, 0x57, 0x15, 0x5c, 0xdb, 0x83, 0x3a, 0xac,
+			0x19, 0xa8, 0x2b, 0x40, 0x72, 0x38, 0x1e, 0xed,
+			0xf3, 0x25, 0xde, 0x84, 0x84, 0xd8, 0xd1, 0xfc,
+			0x31, 0x85, 0x81, 0x12, 0x55, 0x4d, 0x12, 0xb5,
+			0xed, 0x78, 0x5e, 0xba, 0xc8, 0xec, 0x8d, 0x28,
+			0xa1, 0x21, 0x1e, 0x6e, 0x07, 0xf1, 0xfc, 0xf5,
+			0xbf, 0xe4, 0x8e, 0x8e, 0x97, 0x15, 0x93, 0x85,
+			0x75, 0xdd, 0x87, 0x09, 0xd0, 0x4e, 0xe5, 0xd5,
+			0x9e, 0x1f, 0xd6, 0x1c, 0x3b, 0xe9, 0xad, 0xba,
+			0xe0, 0x16, 0x56, 0x62, 0x90, 0xd6, 0x82, 0x84,
+			0xec, 0x8a, 0x22, 0xbe, 0xdc, 0x6a, 0x5e, 0x05,
+			0x12, 0x44, 0xec, 0x60, 0x61, 0xd1, 0x8a, 0x66,
+		},
+	},
+	{
+		.desc = "GOST94",
+		.ssl_method = TLSv1_2_method,
+		.cipher_value = 0x0081,
+		.out = {
+			 0xcc, 0xd4, 0x89, 0x5f, 0x52, 0x08, 0x9b, 0xc7,
+			 0xf9, 0xb5, 0x83, 0x58, 0xe8, 0xc7, 0x71, 0x49,
+			 0x39, 0x99, 0x1f, 0x14, 0x8f, 0x85, 0xbe, 0x64,
+			 0xee, 0x40, 0x5c, 0xe7, 0x5f, 0x68, 0xaf, 0xf2,
+			 0xcd, 0x3a, 0x94, 0x52, 0x33, 0x53, 0x46, 0x7d,
+			 0xb6, 0xc5, 0xe1, 0xb8, 0xa4, 0x04, 0x69, 0x91,
+			 0x0a, 0x9c, 0x88, 0x86, 0xd9, 0x60, 0x63, 0xdd,
+			 0xd8, 0xe7, 0x2e, 0xee, 0xce, 0xe2, 0x20, 0xd8,
+			 0x9a, 0xfa, 0x9c, 0x63, 0x0c, 0x9c, 0xa1, 0x76,
+			 0xed, 0x78, 0x9a, 0x84, 0x70, 0xb4, 0xd1, 0x51,
+			 0x1f, 0xde, 0x44, 0xe8, 0x90, 0x21, 0x3f, 0xeb,
+			 0x05, 0xf4, 0x77, 0x59, 0xf3, 0xad, 0xdd, 0x34,
+			 0x3d, 0x3a, 0x7c, 0xd0, 0x59, 0x40, 0xe1, 0x3f,
+			 0x04, 0x4b, 0x8b, 0xd6, 0x95, 0x46, 0xb4, 0x9e,
+			 0x4c, 0x2d, 0xf7, 0xee, 0xbd, 0xbc, 0xcb, 0x5c,
+			 0x3a, 0x36, 0x0c, 0xd0, 0x27, 0xcb, 0x45, 0x06,
+		},
+	},
+	{
+		.desc = "SHA256 (via TLSv1.2)",
+		.ssl_method = TLSv1_2_method,
+		.cipher_value = 0x0033,
+		.out = {
+			 0x37, 0xa7, 0x06, 0x71, 0x6e, 0x19, 0x19, 0xda,
+			 0x23, 0x8c, 0xcc, 0xb4, 0x2f, 0x31, 0x64, 0x9d,
+			 0x05, 0x29, 0x1c, 0x33, 0x7e, 0x09, 0x1b, 0x0c,
+			 0x0e, 0x23, 0xc1, 0xb0, 0x40, 0xcc, 0x31, 0xf7,
+			 0x55, 0x66, 0x68, 0xd9, 0xa8, 0xae, 0x74, 0x75,
+			 0xf3, 0x46, 0xe9, 0x3a, 0x54, 0x9d, 0xe0, 0x8b,
+			 0x7e, 0x6c, 0x63, 0x1c, 0xfa, 0x2f, 0xfd, 0xc9,
+			 0xd3, 0xf1, 0xd3, 0xfe, 0x7b, 0x9e, 0x14, 0x95,
+			 0xb5, 0xd0, 0xad, 0x9b, 0xee, 0x78, 0x8c, 0x83,
+			 0x18, 0x58, 0x7e, 0xa2, 0x23, 0xc1, 0x8b, 0x62,
+			 0x94, 0x12, 0xcb, 0xb6, 0x60, 0x69, 0x32, 0xfe,
+			 0x98, 0x0e, 0x93, 0xb0, 0x8e, 0x5c, 0xfb, 0x6e,
+			 0xdb, 0x9a, 0xc2, 0x9f, 0x8c, 0x5c, 0x43, 0x19,
+			 0xeb, 0x4a, 0x52, 0xad, 0x62, 0x2b, 0xdd, 0x9f,
+			 0xa3, 0x74, 0xa6, 0x96, 0x61, 0x4d, 0x98, 0x40,
+			 0x63, 0xa6, 0xd4, 0xbb, 0x17, 0x11, 0x75, 0xed,
+		},
+	},
+	{
+		.desc = "SHA384",
+		.ssl_method = TLSv1_2_method,
+		.cipher_value = 0x009d,
+		.out = {
+			 0x00, 0x93, 0xc3, 0xfd, 0xa7, 0xbb, 0xdc, 0x5b,
+			 0x13, 0x3a, 0xe6, 0x8b, 0x1b, 0xac, 0xf3, 0xfb,
+			 0x3c, 0x9a, 0x78, 0xf6, 0x19, 0xf0, 0x13, 0x0f,
+			 0x0d, 0x01, 0x9d, 0xdf, 0x0a, 0x28, 0x38, 0xce,
+			 0x1a, 0x9b, 0x43, 0xbe, 0x56, 0x12, 0xa7, 0x16,
+			 0x58, 0xe1, 0x8a, 0xe4, 0xc5, 0xbb, 0x10, 0x4c,
+			 0x3a, 0xf3, 0x7f, 0xd3, 0xdb, 0xe4, 0xe0, 0x3d,
+			 0xcc, 0x83, 0xca, 0xf0, 0xf9, 0x69, 0xcc, 0x70,
+			 0x83, 0x32, 0xf6, 0xfc, 0x81, 0x80, 0x02, 0xe8,
+			 0x31, 0x1e, 0x7c, 0x3b, 0x34, 0xf7, 0x34, 0xd1,
+			 0xcf, 0x2a, 0xc4, 0x36, 0x2f, 0xe9, 0xaa, 0x7f,
+			 0x6d, 0x1f, 0x5e, 0x0e, 0x39, 0x05, 0x15, 0xe1,
+			 0xa2, 0x9a, 0x4d, 0x97, 0x8c, 0x62, 0x46, 0xf1,
+			 0x87, 0x65, 0xd8, 0xe9, 0x14, 0x11, 0xa6, 0x48,
+			 0xd7, 0x0e, 0x6e, 0x70, 0xad, 0xfb, 0x3f, 0x36,
+			 0x05, 0x76, 0x4b, 0xe4, 0x28, 0x50, 0x4a, 0xf2,
+		},
+	},
+	{
+		.desc = "STREEBOG256",
+		.ssl_method = TLSv1_2_method,
+		.cipher_value = 0xff87,
+		.out = {
+			0x3e, 0x13, 0xb9, 0xeb, 0x85, 0x8c, 0xb4, 0x21,
+			0x23, 0x40, 0x9b, 0x73, 0x04, 0x56, 0xe2, 0xff,
+			0xce, 0x52, 0x1f, 0x82, 0x7f, 0x17, 0x5b, 0x80,
+			0x23, 0x71, 0xca, 0x30, 0xdf, 0xfc, 0xdc, 0x2d,
+			0xc0, 0xfc, 0x5d, 0x23, 0x5a, 0x54, 0x7f, 0xae,
+			0xf5, 0x7d, 0x52, 0x1e, 0x86, 0x95, 0xe1, 0x2d,
+			0x28, 0xe7, 0xbe, 0xd7, 0xd0, 0xbf, 0xa9, 0x96,
+			0x13, 0xd0, 0x9c, 0x0c, 0x1c, 0x16, 0x05, 0xbb,
+			0x26, 0xd7, 0x30, 0x39, 0xb9, 0x53, 0x28, 0x98,
+			0x4f, 0x1b, 0x83, 0xc3, 0xce, 0x1c, 0x7c, 0x34,
+			0xa2, 0xc4, 0x7a, 0x54, 0x16, 0xc6, 0xa7, 0x9e,
+			0xed, 0x4b, 0x7b, 0x83, 0xa6, 0xae, 0xe2, 0x5b,
+			0x96, 0xf5, 0x6c, 0xad, 0x1f, 0xa3, 0x83, 0xb2,
+			0x84, 0x32, 0xed, 0xe3, 0x2c, 0xf6, 0xd4, 0x73,
+			0x30, 0xef, 0x9d, 0xbe, 0xe7, 0x23, 0x9a, 0xbf,
+			0x4d, 0x1c, 0xe7, 0xef, 0x3d, 0xea, 0x46, 0xe2,
+		},
+	},
+};
+
+#define N_TLS_PRF_TESTS \
+    (sizeof(tls_prf_tests) / sizeof(*tls_prf_tests))
+
+#define TLS_PRF_SEED1	"tls prf seed 1"
+#define TLS_PRF_SEED2	"tls prf seed 2"
+#define TLS_PRF_SEED3	"tls prf seed 3"
+#define TLS_PRF_SEED4	"tls prf seed 4"
+#define TLS_PRF_SEED5	"tls prf seed 5"
+#define TLS_PRF_SECRET	"tls prf secretz"
+
+static void
+hexdump(const unsigned char *buf, size_t len)
+{
+	size_t i;
+
+	for (i = 1; i <= len; i++)
+		fprintf(stderr, " 0x%02hhx,%s", buf[i - 1], i % 8 ? "" : "\n");
+
+	fprintf(stderr, "\n");
+}
+
+static int
+do_tls_prf_test(int test_no, struct tls_prf_test *tpt)
+{
+	unsigned char *out = NULL, *tmp = NULL;
+	const SSL_CIPHER *cipher;
+	SSL_CTX *ssl_ctx = NULL;
+	SSL *ssl = NULL;
+	int failure = 1;
+	int len;
+
+	fprintf(stderr, "Test %i - %s\n", test_no, tpt->desc);
+
+	if ((out = malloc(TLS_PRF_OUT_LEN)) == NULL)
+		errx(1, "failed to allocate out");
+	if ((tmp = malloc(TLS_PRF_OUT_LEN)) == NULL)
+		errx(1, "failed to allocate tmp");
+
+	if ((ssl_ctx = SSL_CTX_new(tpt->ssl_method())) == NULL)
+		errx(1, "failed to create SSL context");
+	if ((ssl = SSL_new(ssl_ctx)) == NULL)
+		errx(1, "failed to create SSL context");
+
+	if ((cipher = ssl3_get_cipher_by_value(tpt->cipher_value)) == NULL) {
+		fprintf(stderr, "FAIL: no cipher %hx\n", tpt->cipher_value);
+		goto failure;
+	}
+
+	S3I(ssl)->tmp.new_cipher = cipher;
+
+	for (len = 1; len <= TLS_PRF_OUT_LEN; len++) {
+		memset(out, 'A', TLS_PRF_OUT_LEN);
+		memset(tmp, 'B', TLS_PRF_OUT_LEN);
+
+		if (tls1_PRF(ssl, TLS_PRF_SEED1, sizeof(TLS_PRF_SEED1),
+		    TLS_PRF_SEED2, sizeof(TLS_PRF_SEED2), TLS_PRF_SEED3,
+		    sizeof(TLS_PRF_SEED3), TLS_PRF_SEED4, sizeof(TLS_PRF_SEED4),
+		    TLS_PRF_SEED5, sizeof(TLS_PRF_SEED5), TLS_PRF_SECRET,
+		    sizeof(TLS_PRF_SECRET), out, tmp, len) != 1) {
+			fprintf(stderr, "FAIL: tls_PRF failed for len %i\n",
+			    len);
+			goto failure;
+		}
+
+		if (memcmp(out, tpt->out, len) != 0) {
+			fprintf(stderr, "FAIL: tls_PRF output differs for "
+			    "len %i\n", len);
+			fprintf(stderr, "output:\n");
+			hexdump(out, TLS_PRF_OUT_LEN);
+			fprintf(stderr, "test data:\n");
+			hexdump(tpt->out, TLS_PRF_OUT_LEN);
+			fprintf(stderr, "\n");
+			goto failure;
+		}
+	}
+
+	failure = 0;
+
+ failure:
+	SSL_free(ssl);
+	SSL_CTX_free(ssl_ctx);
+
+	free(out);
+	free(tmp);
+
+	return failure;
+}
+
+int
+main(int argc, char **argv)
+{
+	int failed = 0;
+	size_t i;
+
+	SSL_library_init();
+	SSL_load_error_strings();
+
+	for (i = 0; i < N_TLS_PRF_TESTS; i++)
+		failed |= do_tls_prf_test(i, &tls_prf_tests[i]);
+
+	return failed;
+}