From: Brandon Lo <b...@iol.unh.edu>

Adds json-specific testing and writeback function. Allows
the user to test AES-GCM vector sets.

Signed-off-by: Brandon Lo <b...@iol.unh.edu>
Acked-by: Gowrishankar Muthukrishnan <gmuthukri...@marvell.com>
---
v8:
* reset IV generation var in every test group as initialization.

v3:
* fix checkpatch warnings
---
 examples/fips_validation/fips_validation.h    |   3 +
 .../fips_validation/fips_validation_gcm.c     | 152 +++++++++++++++++-
 examples/fips_validation/main.c               |   3 +-
 3 files changed, 156 insertions(+), 2 deletions(-)

diff --git a/examples/fips_validation/fips_validation.h 
b/examples/fips_validation/fips_validation.h
index a1c83a9a6a..8b9d528c53 100644
--- a/examples/fips_validation/fips_validation.h
+++ b/examples/fips_validation/fips_validation.h
@@ -250,6 +250,9 @@ fips_test_parse_one_json_group(void);
 
 int
 fips_test_parse_one_json_case(void);
+
+int
+parse_test_gcm_json_init(void);
 #endif /* RTE_HAS_JANSSON */
 
 int
diff --git a/examples/fips_validation/fips_validation_gcm.c 
b/examples/fips_validation/fips_validation_gcm.c
index 250d09bf90..7e89f2a6b2 100644
--- a/examples/fips_validation/fips_validation_gcm.c
+++ b/examples/fips_validation/fips_validation_gcm.c
@@ -6,6 +6,10 @@
 #include <time.h>
 #include <stdio.h>
 
+#ifdef RTE_HAS_JANSSON
+#include <jansson.h>
+#endif /* RTE_HAS_JANSSON */
+
 #include <rte_cryptodev.h>
 #include <rte_malloc.h>
 
@@ -37,6 +41,27 @@
 #define OP_ENC_EXT_STR "ExtIV"
 #define OP_ENC_INT_STR "IntIV"
 
+#define KEYLEN_JSON_STR                "keyLen"
+#define IVLEN_JSON_STR         "ivLen"
+#define PAYLOADLEN_JSON_STR    "payloadLen"
+#define AADLEN_JSON_STR                "aadLen"
+#define TAGLEN_JSON_STR                "tagLen"
+
+#define KEY_JSON_STR   "key"
+#define IV_JSON_STR            "iv"
+#define PT_JSON_STR            "pt"
+#define CT_JSON_STR            "ct"
+#define AAD_JSON_STR   "aad"
+#define TAG_JSON_STR   "tag"
+#define DIR_JSON_STR   "direction"
+
+#define OP_ENC_JSON_STR        "encrypt"
+#define OP_DEC_JSON_STR        "decrypt"
+
+#define IVGEN_JSON_STR "ivGen"
+#define OP_ENC_EXT_JSON_STR    "external"
+#define OP_ENC_INT_JSON_STR    "internal"
+
 #define NEG_TEST_STR   "FAIL"
 
 /**
@@ -136,6 +161,40 @@ struct fips_test_callback gcm_enc_vectors[] = {
                {NULL, NULL, NULL} /**< end pointer */
 };
 
+#ifdef RTE_HAS_JANSSON
+struct fips_test_callback gcm_dec_json_vectors[] = {
+               {KEY_JSON_STR, parse_uint8_known_len_hex_str, &vec.aead.key},
+               {IV_JSON_STR, parse_uint8_known_len_hex_str, &vec.iv},
+               {CT_JSON_STR, parse_gcm_pt_ct_str, &vec.ct},
+               {AAD_JSON_STR, parse_gcm_aad_str, &vec.aead.aad},
+               {TAG_JSON_STR, parse_uint8_known_len_hex_str,
+                               &vec.aead.digest},
+               {NULL, NULL, NULL} /**< end pointer */
+};
+
+struct fips_test_callback gcm_interim_json_vectors[] = {
+               {KEYLEN_JSON_STR, parser_read_uint32_bit_val, &vec.aead.key},
+               {IVLEN_JSON_STR, parser_read_uint32_bit_val, &vec.iv},
+               {PAYLOADLEN_JSON_STR, parser_read_gcm_pt_len, &vec.pt},
+               {PAYLOADLEN_JSON_STR, parser_read_uint32_bit_val, &vec.ct},
+               /**< The NIST json test vectors use 'payloadLen' to denote 
input text
+                *  length in case of decrypt & encrypt operations.
+                */
+               {AADLEN_JSON_STR, parser_read_uint32_bit_val, &vec.aead.aad},
+               {TAGLEN_JSON_STR, parser_read_uint32_bit_val,
+                               &vec.aead.digest},
+               {NULL, NULL, NULL} /**< end pointer */
+};
+
+struct fips_test_callback gcm_enc_json_vectors[] = {
+               {KEY_JSON_STR, parse_uint8_known_len_hex_str, &vec.aead.key},
+               {IV_JSON_STR, parse_uint8_known_len_hex_str, &vec.iv},
+               {PT_JSON_STR, parse_gcm_pt_ct_str, &vec.pt},
+               {AAD_JSON_STR, parse_gcm_aad_str, &vec.aead.aad},
+               {NULL, NULL, NULL} /**< end pointer */
+};
+#endif /* RTE_HAS_JANSSON */
+
 static int
 parse_test_gcm_writeback(struct fips_val *val)
 {
@@ -194,7 +253,6 @@ parse_test_gcm_init(void)
        char *tmp;
        uint32_t i;
 
-
        for (i = 0; i < info.nb_vec_lines; i++) {
                char *line = info.vec[i];
 
@@ -218,3 +276,95 @@ parse_test_gcm_init(void)
 
        return 0;
 }
+
+#ifdef RTE_HAS_JANSSON
+static int
+parse_test_gcm_json_writeback(struct fips_val *val)
+{
+       struct fips_val tmp_val;
+       json_t *tcId, *tag;
+
+       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);
+
+               if (info.interim_info.gcm_data.gen_iv) {
+                       json_t *iv;
+                       tmp_val.val = vec.iv.val;
+                       tmp_val.len = vec.iv.len;
+
+                       writeback_hex_str("", info.one_line_text, &tmp_val);
+                       iv = json_string(info.one_line_text);
+                       json_object_set_new(json_info.json_write_case, 
IV_JSON_STR, iv);
+
+                       rte_free(vec.iv.val);
+                       vec.iv.val = NULL;
+               }
+
+               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);
+               tag = json_string(info.one_line_text);
+               json_object_set_new(json_info.json_write_case, TAG_JSON_STR, 
tag);
+       } else {
+               if (vec.status == RTE_CRYPTO_OP_STATUS_SUCCESS) {
+                       if (!info.interim_info.gcm_data.is_gmac) {
+                               tmp_val.val = val->val;
+                               tmp_val.len = vec.pt.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_gcm_json_init(void)
+{
+       json_t *direction_obj;
+       const char *direction_str;
+
+       direction_obj = json_object_get(json_info.json_test_group, 
DIR_JSON_STR);
+       direction_str = json_string_value(direction_obj);
+       info.interim_info.gcm_data.gen_iv = 0;
+
+       if (strcmp(direction_str, OP_ENC_JSON_STR) == 0) {
+               json_t *ivGen_obj = json_object_get(json_info.json_test_group, 
IVGEN_JSON_STR);
+               const char *ivGen_str = json_string_value(ivGen_obj);
+
+               info.op = FIPS_TEST_ENC_AUTH_GEN;
+               info.callbacks = gcm_enc_json_vectors;
+
+               if (strcmp(ivGen_str, OP_ENC_INT_JSON_STR) == 0)
+                       info.interim_info.gcm_data.gen_iv = 1;
+       } else if (strcmp(direction_str, OP_DEC_JSON_STR) == 0) {
+               info.op = FIPS_TEST_DEC_AUTH_VERIF;
+               info.callbacks = gcm_dec_json_vectors;
+       } else {
+               return -EINVAL;
+       }
+       info.interim_callbacks = gcm_interim_json_vectors;
+       info.parse_writeback = parse_test_gcm_json_writeback;
+
+       return 0;
+}
+#endif /* RTE_HAS_JANSSON */
+
diff --git a/examples/fips_validation/main.c b/examples/fips_validation/main.c
index 5bebff853e..e729b01529 100644
--- a/examples/fips_validation/main.c
+++ b/examples/fips_validation/main.c
@@ -1955,11 +1955,12 @@ fips_test_one_test_group(void)
 
        switch (info.algo) {
        case FIPS_TEST_ALGO_AES_GCM:
-               ret = parse_test_gcm_init();
+               ret = parse_test_gcm_json_init();
                break;
        default:
                return -EINVAL;
        }
+
        if (ret < 0)
                return ret;
 
-- 
2.25.1

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