[PATCH v3 2/3] examples/fips_validation: add parsing for xts

[Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>]

Added function to parse algorithm for AES XTS test.

Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
Acked-by: Fan Zhang <roy.fan.zhang@intel.com>
---
v3:
 - CBC related changes moved to 1/3 patch.
---
 examples/fips_validation/fips_validation.c    |   2 +
 examples/fips_validation/fips_validation.h    |  15 +-
 .../fips_validation/fips_validation_xts.c     | 141 ++++++++++++++++++
 examples/fips_validation/main.c               |   4 +
 4 files changed, 161 insertions(+), 1 deletion(-)

diff --git a/examples/fips_validation/fips_validation.c b/examples/fips_validation/fips_validation.c
index 68b5572db2..f181363ef7 100644
--- a/examples/fips_validation/fips_validation.c
+++ b/examples/fips_validation/fips_validation.c
@@ -464,6 +464,8 @@ fips_test_parse_one_json_vector_set(void)
 		info.algo = FIPS_TEST_ALGO_AES_CMAC;
 	else if (strstr(algo_str, "AES-CBC"))
 		info.algo = FIPS_TEST_ALGO_AES_CBC;
+	else if (strstr(algo_str, "AES-XTS"))
+		info.algo = FIPS_TEST_ALGO_AES_XTS;
 	else
 		return -EINVAL;
 
diff --git a/examples/fips_validation/fips_validation.h b/examples/fips_validation/fips_validation.h
index 819236983d..d716b198c6 100644
--- a/examples/fips_validation/fips_validation.h
+++ b/examples/fips_validation/fips_validation.h
@@ -38,10 +38,10 @@ enum fips_test_algorithms {
 		FIPS_TEST_ALGO_AES_GCM,
 		FIPS_TEST_ALGO_AES_CMAC,
 		FIPS_TEST_ALGO_AES_CCM,
+		FIPS_TEST_ALGO_AES_XTS,
 		FIPS_TEST_ALGO_HMAC,
 		FIPS_TEST_ALGO_TDES,
 		FIPS_TEST_ALGO_SHA,
-		FIPS_TEST_ALGO_AES_XTS,
 		FIPS_TEST_ALGO_MAX
 };
 
@@ -171,6 +171,15 @@ struct gcm_interim_data {
 	uint8_t gen_iv;
 };
 
+enum xts_tweak_modes {
+	XTS_TWEAK_MODE_HEX = 0,
+	XTS_TWEAK_MODE_NUMBER
+};
+
+struct xts_interim_data {
+	enum xts_tweak_modes tweak_mode;
+};
+
 #ifdef USE_JANSSON
 struct fips_test_json_info {
 	/* Information used for reading from json */
@@ -208,6 +217,7 @@ struct fips_test_interim_info {
 		struct ccm_interim_data ccm_data;
 		struct sha_interim_data sha_data;
 		struct gcm_interim_data gcm_data;
+		struct xts_interim_data xts_data;
 	} interim_info;
 
 	enum fips_test_op op;
@@ -267,6 +277,9 @@ parse_test_cmac_json_init(void);
 
 int
 parse_test_aes_json_init(void);
+
+int
+parse_test_xts_json_init(void);
 #endif /* USE_JANSSON */
 
 int
diff --git a/examples/fips_validation/fips_validation_xts.c b/examples/fips_validation/fips_validation_xts.c
index 5bb1966f6c..531e3c688e 100644
--- a/examples/fips_validation/fips_validation_xts.c
+++ b/examples/fips_validation/fips_validation_xts.c
@@ -24,6 +24,22 @@
 #define OP_ENC_STR	"ENCRYPT"
 #define OP_DEC_STR	"DECRYPT"
 
+#define ALGO_JSON_STR		"algorithm"
+#define TESTTYPE_JSON_STR	"testType"
+#define DIR_JSON_STR		"direction"
+#define KEYLEN_JSON_STR		"keyLen"
+#define TWEAKMODE_JSON_STR	"tweakMode"
+
+#define KEY_JSON_STR		"key"
+#define DATAUNITLEN_JSON_STR	"dataUnitLen"
+#define PAYLOADLEN_JSON_STR	"payloadLen"
+#define TWEAKVALUE_JSON_STR	"tweakValue"
+#define PT_JSON_STR	"pt"
+#define CT_JSON_STR	"ct"
+
+#define OP_ENC_JSON_STR	"encrypt"
+#define OP_DEC_JSON_STR	"decrypt"
+
 static int
 parse_interim_xts_enc_dec(const char *key,
 		__rte_unused char *text,
@@ -62,6 +78,131 @@ struct fips_test_callback xts_writeback_callbacks[] = {
 		{NULL, NULL, NULL} /**< end pointer */
 };
 
+#ifdef USE_JANSSON
+static int
+parser_xts_read_keylen(const char *key, char *src, struct fips_val *val)
+{
+	int ret;
+
+	ret = parser_read_uint32_bit_val(key, src, val);
+	if (ret < 0)
+		return ret;
+
+	val->len *= 2;
+	return 0;
+}
+
+static int
+parser_xts_read_tweakval(const char *key, char *src, struct fips_val *val)
+{
+	int ret;
+
+	if (info.interim_info.xts_data.tweak_mode == XTS_TWEAK_MODE_HEX)
+		ret = parse_uint8_hex_str(key, src, val);
+	else if (info.interim_info.xts_data.tweak_mode == XTS_TWEAK_MODE_NUMBER)
+		ret = parser_read_uint32_bit_val(key, src, val);
+	else
+		ret = -1;
+
+	return ret;
+}
+
+struct fips_test_callback xts_dec_json_vectors[] = {
+		{KEY_JSON_STR, parse_uint8_known_len_hex_str, &vec.cipher_auth.key},
+		{TWEAKVALUE_JSON_STR, parser_xts_read_tweakval, &vec.iv},
+		{CT_JSON_STR, parse_uint8_hex_str, &vec.ct},
+		{NULL, NULL, NULL} /**< end pointer */
+};
+
+struct fips_test_callback xts_interim_json_vectors[] = {
+		{KEYLEN_JSON_STR, parser_xts_read_keylen, &vec.cipher_auth.key},
+		{NULL, NULL, NULL} /**< end pointer */
+};
+
+struct fips_test_callback xts_enc_json_vectors[] = {
+		{KEY_JSON_STR, parse_uint8_known_len_hex_str, &vec.cipher_auth.key},
+		{TWEAKVALUE_JSON_STR, parser_xts_read_tweakval, &vec.iv},
+		{PT_JSON_STR, parse_uint8_hex_str, &vec.pt},
+		{NULL, NULL, NULL} /**< end pointer */
+};
+
+static int
+parse_test_xts_json_writeback(struct fips_val *val)
+{
+	struct fips_val tmp_val;
+	json_t *tcId;
+
+	tcId = json_object_get(json_info.json_test_case, "tcId");
+
+	json_info.json_write_case = json_object();
+	json_object_set(json_info.json_write_case, "tcId", tcId);
+
+	if (info.op == FIPS_TEST_ENC_AUTH_GEN) {
+		json_t *ct;
+
+		tmp_val.val = val->val;
+		tmp_val.len = vec.pt.len;
+
+		writeback_hex_str("", info.one_line_text, &tmp_val);
+		ct = json_string(info.one_line_text);
+		json_object_set_new(json_info.json_write_case, CT_JSON_STR, ct);
+
+		tmp_val.val = val->val + vec.pt.len;
+		tmp_val.len = val->len - vec.pt.len;
+
+		writeback_hex_str("", info.one_line_text, &tmp_val);
+	} else {
+		if (vec.status == RTE_CRYPTO_OP_STATUS_SUCCESS) {
+			tmp_val.val = val->val;
+			tmp_val.len = vec.ct.len;
+
+			writeback_hex_str("", info.one_line_text, &tmp_val);
+			json_object_set_new(json_info.json_write_case, PT_JSON_STR,
+								json_string(info.one_line_text));
+		} else {
+			json_object_set_new(json_info.json_write_case, "testPassed", json_false());
+		}
+	}
+
+	return 0;
+}
+
+int
+parse_test_xts_json_init(void)
+{
+	if (json_info.json_test_group) {
+		json_t *direction_obj, *tweakmode_obj;
+		const char *direction_str, *tweakmode_str;
+
+		direction_obj = json_object_get(json_info.json_test_group, DIR_JSON_STR);
+		direction_str = json_string_value(direction_obj);
+
+		if (strcmp(direction_str, OP_ENC_JSON_STR) == 0) {
+			info.op = FIPS_TEST_ENC_AUTH_GEN;
+			info.callbacks = xts_enc_json_vectors;
+
+		} else if (strcmp(direction_str, OP_DEC_JSON_STR) == 0) {
+			info.op = FIPS_TEST_DEC_AUTH_VERIF;
+			info.callbacks = xts_dec_json_vectors;
+		} else {
+			return -EINVAL;
+		}
+
+		tweakmode_obj = json_object_get(json_info.json_test_group, TWEAKMODE_JSON_STR);
+		tweakmode_str = json_string_value(tweakmode_obj);
+		if (strcmp(tweakmode_str, "hex") == 0)
+			info.interim_info.xts_data.tweak_mode = XTS_TWEAK_MODE_HEX;
+		else
+			info.interim_info.xts_data.tweak_mode = XTS_TWEAK_MODE_NUMBER;
+
+		info.interim_callbacks = xts_interim_json_vectors;
+	}
+
+	info.parse_writeback = parse_test_xts_json_writeback;
+	return 0;
+}
+#endif /* USE_JANSSON */
+
 static int
 parse_test_xts_writeback(struct fips_val *val)
 {
diff --git a/examples/fips_validation/main.c b/examples/fips_validation/main.c
index 9c4951595d..7ccb5f52f4 100644
--- a/examples/fips_validation/main.c
+++ b/examples/fips_validation/main.c
@@ -1989,6 +1989,10 @@ fips_test_one_test_group(void)
 	case FIPS_TEST_ALGO_AES_CMAC:
 		ret = parse_test_cmac_json_init();
 		break;
+	case FIPS_TEST_ALGO_AES_XTS:
+		ret = parse_test_xts_json_init();
+		break;
+	case FIPS_TEST_ALGO_AES_CBC:
 	case FIPS_TEST_ALGO_AES:
 		ret = parse_test_aes_json_init();
 		break;
-- 
2.25.1