#include <openssl/rand.h>
#include <openssl/evp.h>
-typedef struct {
+typedef struct
+{
u32 spi;
u32 seq;
u8 data[0];
} esp_header_t;
-typedef struct {
+typedef struct
+{
u8 pad_length;
u8 next_header;
} esp_footer_t;
+/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
ip4_header_t ip4;
esp_header_t esp;
}) ip4_and_esp_header_t;
+/* *INDENT-ON* */
+/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
ip6_header_t ip6;
esp_header_t esp;
}) ip6_and_esp_header_t;
+/* *INDENT-ON* */
-typedef struct {
- const EVP_CIPHER * type;
+typedef struct
+{
+ const EVP_CIPHER *type;
} esp_crypto_alg_t;
-typedef struct {
- const EVP_MD * md;
+typedef struct
+{
+ const EVP_MD *md;
u8 trunc_size;
} esp_integ_alg_t;
-typedef struct {
- CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
+typedef struct
+{
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
EVP_CIPHER_CTX encrypt_ctx;
- CLIB_CACHE_LINE_ALIGN_MARK(cacheline1);
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline1);
EVP_CIPHER_CTX decrypt_ctx;
- CLIB_CACHE_LINE_ALIGN_MARK(cacheline2);
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline2);
HMAC_CTX hmac_ctx;
ipsec_crypto_alg_t last_encrypt_alg;
ipsec_crypto_alg_t last_decrypt_alg;
ipsec_integ_alg_t last_integ_alg;
} esp_main_per_thread_data_t;
-typedef struct {
- esp_crypto_alg_t * esp_crypto_algs;
- esp_integ_alg_t * esp_integ_algs;
- esp_main_per_thread_data_t * per_thread_data;
+typedef struct
+{
+ esp_crypto_alg_t *esp_crypto_algs;
+ esp_integ_alg_t *esp_integ_algs;
+ esp_main_per_thread_data_t *per_thread_data;
} esp_main_t;
esp_main_t esp_main;
always_inline void
-esp_init()
+esp_init ()
{
- esp_main_t * em = &esp_main;
- vlib_thread_main_t * tm = vlib_get_thread_main();
+ esp_main_t *em = &esp_main;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
memset (em, 0, sizeof (em[0]));
- vec_validate(em->esp_crypto_algs, IPSEC_CRYPTO_N_ALG - 1);
- em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_128].type = EVP_aes_128_cbc();
- em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_192].type = EVP_aes_192_cbc();
- em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_256].type = EVP_aes_256_cbc();
+ vec_validate (em->esp_crypto_algs, IPSEC_CRYPTO_N_ALG - 1);
+ em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_128].type = EVP_aes_128_cbc ();
+ em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_192].type = EVP_aes_192_cbc ();
+ em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_256].type = EVP_aes_256_cbc ();
- vec_validate(em->esp_integ_algs, IPSEC_INTEG_N_ALG - 1);
- esp_integ_alg_t * i;
+ vec_validate (em->esp_integ_algs, IPSEC_INTEG_N_ALG - 1);
+ esp_integ_alg_t *i;
i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA1_96];
- i->md = EVP_sha1();
+ i->md = EVP_sha1 ();
i->trunc_size = 12;
i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_256_96];
- i->md = EVP_sha256();
+ i->md = EVP_sha256 ();
i->trunc_size = 12;
i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_256_128];
- i->md = EVP_sha256();
+ i->md = EVP_sha256 ();
i->trunc_size = 16;
i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_384_192];
- i->md = EVP_sha384();
+ i->md = EVP_sha384 ();
i->trunc_size = 24;
i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_512_256];
- i->md = EVP_sha512();
+ i->md = EVP_sha512 ();
i->trunc_size = 32;
- vec_validate_aligned(em->per_thread_data, tm->n_vlib_mains-1, CLIB_CACHE_LINE_BYTES);
+ vec_validate_aligned (em->per_thread_data, tm->n_vlib_mains - 1,
+ CLIB_CACHE_LINE_BYTES);
int thread_id;
for (thread_id = 0; thread_id < tm->n_vlib_mains - 1; thread_id++)
{
- EVP_CIPHER_CTX_init(&(em->per_thread_data[thread_id].encrypt_ctx));
- EVP_CIPHER_CTX_init(&(em->per_thread_data[thread_id].decrypt_ctx));
- HMAC_CTX_init(&(em->per_thread_data[thread_id].hmac_ctx));
+ EVP_CIPHER_CTX_init (&(em->per_thread_data[thread_id].encrypt_ctx));
+ EVP_CIPHER_CTX_init (&(em->per_thread_data[thread_id].decrypt_ctx));
+ HMAC_CTX_init (&(em->per_thread_data[thread_id].hmac_ctx));
}
}
always_inline unsigned int
-hmac_calc(ipsec_integ_alg_t alg,
- u8 * key,
- int key_len,
- u8 * data,
- int data_len,
- u8 * signature,
- u8 use_esn,
- u32 seq_hi)
+hmac_calc (ipsec_integ_alg_t alg,
+ u8 * key,
+ int key_len,
+ u8 * data, int data_len, u8 * signature, u8 use_esn, u32 seq_hi)
{
- esp_main_t * em = &esp_main;
- u32 cpu_index = os_get_cpu_number();
- HMAC_CTX * ctx = &(em->per_thread_data[cpu_index].hmac_ctx);
- const EVP_MD * md = NULL;
+ esp_main_t *em = &esp_main;
+ u32 cpu_index = os_get_cpu_number ();
+ HMAC_CTX *ctx = &(em->per_thread_data[cpu_index].hmac_ctx);
+ const EVP_MD *md = NULL;
unsigned int len;
- ASSERT(alg < IPSEC_INTEG_N_ALG);
+ ASSERT (alg < IPSEC_INTEG_N_ALG);
- if (PREDICT_FALSE(em->esp_integ_algs[alg].md == 0))
+ if (PREDICT_FALSE (em->esp_integ_algs[alg].md == 0))
return 0;
- if (PREDICT_FALSE(alg != em->per_thread_data[cpu_index].last_integ_alg)) {
- md = em->esp_integ_algs[alg].md;
- em->per_thread_data[cpu_index].last_integ_alg = alg;
- }
+ if (PREDICT_FALSE (alg != em->per_thread_data[cpu_index].last_integ_alg))
+ {
+ md = em->esp_integ_algs[alg].md;
+ em->per_thread_data[cpu_index].last_integ_alg = alg;
+ }
- HMAC_Init(ctx, key, key_len, md);
+ HMAC_Init (ctx, key, key_len, md);
- HMAC_Update(ctx, data, data_len);
+ HMAC_Update (ctx, data, data_len);
- if (PREDICT_TRUE(use_esn))
- HMAC_Update(ctx, (u8 *) &seq_hi, sizeof(seq_hi));
- HMAC_Final(ctx, signature, &len);
+ if (PREDICT_TRUE (use_esn))
+ HMAC_Update (ctx, (u8 *) & seq_hi, sizeof (seq_hi));
+ HMAC_Final (ctx, signature, &len);
return em->esp_integ_algs[alg].trunc_size;
}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff