vppinfra: AES-CBC and AES-GCM refactor and optimizations

- crypto code moved to vppinfra for better testing and reuse
- added 256-bit VAES support (Intel Client CPUs)
- added AES_GMAC functions

Change-Id: I960c8e14ca0a0126703e8f1589d86f32e2a98361
Type: improvement
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 187 insertions, 0 deletions

diff --git a/src/vppinfra/test/aes_cbc.c b/src/vppinfra/test/aes_cbc.c
new file mode 100644
index 00000000000..bff439ab7b5
--- /dev/null
+++ b/src/vppinfra/test/aes_cbc.c
@@ -0,0 +1,187 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright(c) 2021 Cisco Systems, Inc.
+ */
+
+#ifdef __AES__
+#include <vppinfra/format.h>
+#include <vppinfra/test/test.h>
+#include <vppinfra/crypto/aes_cbc.h>
+
+static const u8 iv[] = {
+  0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+  0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+};
+
+static const u8 plaintext[] = {
+  0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96, 0xE9, 0x3D, 0x7E, 0x11, 0x73,
+  0x93, 0x17, 0x2A, 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C, 0x9E, 0xB7,
+  0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51, 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4,
+  0x11, 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF, 0xF6, 0x9F, 0x24, 0x45,
+  0xDF, 0x4F, 0x9B, 0x17, 0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10,
+};
+
+static const u8 key128[] = { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
+			     0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C };
+
+static const u8 key192[24] = {
+  0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52, 0xC8, 0x10, 0xF3, 0x2B,
+  0x80, 0x90, 0x79, 0xE5, 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B,
+};
+
+static const u8 ciphertext128[] = {
+  0x76, 0x49, 0xAB, 0xAC, 0x81, 0x19, 0xB2, 0x46, 0xCE, 0xE9, 0x8E, 0x9B, 0x12,
+  0xE9, 0x19, 0x7D, 0x50, 0x86, 0xCB, 0x9B, 0x50, 0x72, 0x19, 0xEE, 0x95, 0xDB,
+  0x11, 0x3A, 0x91, 0x76, 0x78, 0xB2, 0x73, 0xBE, 0xD6, 0xB8, 0xE3, 0xC1, 0x74,
+  0x3B, 0x71, 0x16, 0xE6, 0x9E, 0x22, 0x22, 0x95, 0x16, 0x3F, 0xF1, 0xCA, 0xA1,
+  0x68, 0x1F, 0xAC, 0x09, 0x12, 0x0E, 0xCA, 0x30, 0x75, 0x86, 0xE1, 0xA7,
+};
+
+static const u8 ciphertext192[64] = {
+  0x4F, 0x02, 0x1D, 0xB2, 0x43, 0xBC, 0x63, 0x3D, 0x71, 0x78, 0x18, 0x3A, 0x9F,
+  0xA0, 0x71, 0xE8, 0xB4, 0xD9, 0xAD, 0xA9, 0xAD, 0x7D, 0xED, 0xF4, 0xE5, 0xE7,
+  0x38, 0x76, 0x3F, 0x69, 0x14, 0x5A, 0x57, 0x1B, 0x24, 0x20, 0x12, 0xFB, 0x7A,
+  0xE0, 0x7F, 0xA9, 0xBA, 0xAC, 0x3D, 0xF1, 0x02, 0xE0, 0x08, 0xB0, 0xE2, 0x79,
+  0x88, 0x59, 0x88, 0x81, 0xD9, 0x20, 0xA9, 0xE6, 0x4F, 0x56, 0x15, 0xCD,
+};
+
+static const u8 key256[32] = {
+  0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE, 0x2B, 0x73, 0xAE,
+  0xF0, 0x85, 0x7D, 0x77, 0x81, 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61,
+  0x08, 0xD7, 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4,
+};
+
+static const u8 ciphertext256[64] = {
+  0xF5, 0x8C, 0x4C, 0x04, 0xD6, 0xE5, 0xF1, 0xBA, 0x77, 0x9E, 0xAB, 0xFB, 0x5F,
+  0x7B, 0xFB, 0xD6, 0x9C, 0xFC, 0x4E, 0x96, 0x7E, 0xDB, 0x80, 0x8D, 0x67, 0x9F,
+  0x77, 0x7B, 0xC6, 0x70, 0x2C, 0x7D, 0x39, 0xF2, 0x33, 0x69, 0xA9, 0xD9, 0xBA,
+  0xCF, 0xA5, 0x30, 0xE2, 0x63, 0x04, 0x23, 0x14, 0x61, 0xB2, 0xEB, 0x05, 0xE2,
+  0xC3, 0x9B, 0xE9, 0xFC, 0xDA, 0x6C, 0x19, 0x07, 0x8C, 0x6A, 0x9D, 0x1B,
+};
+
+#define _(b)                                                                  \
+  static clib_error_t *test_clib_aes##b##_cbc_encrypt (clib_error_t *err)     \
+  {                                                                           \
+    aes_cbc_key_data_t k;                                                     \
+    u8 data[512];                                                             \
+    clib_aes##b##_cbc_key_expand (&k, key##b);                                \
+    clib_aes##b##_cbc_encrypt (&k, plaintext, sizeof (plaintext), iv, data);  \
+    if (memcmp (ciphertext##b, data, sizeof (ciphertext##b)) != 0)            \
+      err =                                                                   \
+	clib_error_return (err, "encrypted data doesn't match plaintext");    \
+    return err;                                                               \
+  }                                                                           \
+  void __test_perf_fn perftest_aes##b##_enc_var_sz (test_perf_t *tp)          \
+  {                                                                           \
+    u32 n = tp->n_ops;                                                        \
+    aes_cbc_key_data_t *kd = test_mem_alloc (sizeof (*kd));                   \
+    u8 *dst = test_mem_alloc (n + 16);                                        \
+    u8 *src = test_mem_alloc_and_fill_inc_u8 (n + 16, 0, 0);                  \
+    clib_aes##b##_cbc_key_expand (kd, key##b);                                \
+                                                                              \
+    test_perf_event_enable (tp);                                              \
+    clib_aes##b##_cbc_encrypt (kd, src, n, iv, dst);                          \
+    test_perf_event_disable (tp);                                             \
+  }
+_ (128)
+_ (192)
+_ (256)
+#undef _
+
+REGISTER_TEST (clib_aes128_cbc_encrypt) = {
+  .name = "clib_aes128_cbc_encrypt",
+  .fn = test_clib_aes128_cbc_encrypt,
+  .perf_tests = PERF_TESTS ({ .name = "variable size (per byte)",
+			      .n_ops = 1424,
+			      .fn = perftest_aes128_enc_var_sz },
+			    { .name = "variable size (per byte)",
+			      .n_ops = 9008,
+			      .fn = perftest_aes128_enc_var_sz }),
+};
+
+REGISTER_TEST (clib_aes192_cbc_encrypt) = {
+  .name = "clib_aes192_cbc_encrypt",
+  .fn = test_clib_aes192_cbc_encrypt,
+  .perf_tests = PERF_TESTS ({ .name = "variable size (per byte)",
+			      .n_ops = 1424,
+			      .fn = perftest_aes192_enc_var_sz },
+			    { .name = "variable size (per byte)",
+			      .n_ops = 9008,
+			      .fn = perftest_aes192_enc_var_sz }),
+};
+
+REGISTER_TEST (clib_aes256_cbc_encrypt) = {
+  .name = "clib_aes256_cbc_encrypt",
+  .fn = test_clib_aes256_cbc_encrypt,
+  .perf_tests = PERF_TESTS ({ .name = "variable size (per byte)",
+			      .n_ops = 1424,
+			      .fn = perftest_aes256_enc_var_sz },
+			    { .name = "variable size (per byte)",
+			      .n_ops = 9008,
+			      .fn = perftest_aes256_enc_var_sz }),
+};
+
+#define _(b)                                                                  \
+  static clib_error_t *test_clib_aes##b##_cbc_decrypt (clib_error_t *err)     \
+  {                                                                           \
+    aes_cbc_key_data_t k;                                                     \
+    u8 data[512];                                                             \
+    clib_aes##b##_cbc_key_expand (&k, key##b);                                \
+    clib_aes##b##_cbc_decrypt (&k, ciphertext##b, sizeof (ciphertext##b), iv, \
+			       data);                                         \
+    if (memcmp (plaintext, data, sizeof (plaintext)) != 0)                    \
+      err =                                                                   \
+	clib_error_return (err, "decrypted data doesn't match plaintext");    \
+    return err;                                                               \
+  }                                                                           \
+  void __test_perf_fn perftest_aes##b##_dec_var_sz (test_perf_t *tp)          \
+  {                                                                           \
+    u32 n = tp->n_ops;                                                        \
+    aes_cbc_key_data_t *kd = test_mem_alloc (sizeof (*kd));                   \
+    u8 *dst = test_mem_alloc (n + 16);                                        \
+    u8 *src = test_mem_alloc_and_fill_inc_u8 (n + 16, 0, 0);                  \
+    clib_aes##b##_cbc_key_expand (kd, key##b);                                \
+                                                                              \
+    test_perf_event_enable (tp);                                              \
+    clib_aes##b##_cbc_decrypt (kd, src, n, iv, dst);                          \
+    test_perf_event_disable (tp);                                             \
+  }
+
+_ (128)
+_ (192)
+_ (256)
+#undef _
+
+REGISTER_TEST (clib_aes128_cbc_decrypt) = {
+  .name = "clib_aes128_cbc_decrypt",
+  .fn = test_clib_aes128_cbc_decrypt,
+  .perf_tests = PERF_TESTS ({ .name = "variable size (per byte)",
+			      .n_ops = 1424,
+			      .fn = perftest_aes128_dec_var_sz },
+			    { .name = "variable size (per byte)",
+			      .n_ops = 9008,
+			      .fn = perftest_aes128_dec_var_sz }),
+};
+
+REGISTER_TEST (clib_aes192_cbc_decrypt) = {
+  .name = "clib_aes192_cbc_decrypt",
+  .fn = test_clib_aes192_cbc_decrypt,
+  .perf_tests = PERF_TESTS ({ .name = "variable size (per byte)",
+			      .n_ops = 1424,
+			      .fn = perftest_aes192_dec_var_sz },
+			    { .name = "variable size (per byte)",
+			      .n_ops = 9008,
+			      .fn = perftest_aes192_dec_var_sz }),
+};
+
+REGISTER_TEST (clib_aes256_cbc_decrypt) = {
+  .name = "clib_aes256_cbc_decrypt",
+  .fn = test_clib_aes256_cbc_decrypt,
+  .perf_tests = PERF_TESTS ({ .name = "variable size (per byte)",
+			      .n_ops = 1424,
+			      .fn = perftest_aes256_dec_var_sz },
+			    { .name = "variable size (per byte)",
+			      .n_ops = 9008,
+			      .fn = perftest_aes256_dec_var_sz }),
+};
+
+#endif