#include <vlib/vlib.h>
+/* CRYPTO_ID, PRETTY_NAME, KEY_LENGTH_IN_BYTES */
#define foreach_crypto_cipher_alg \
- _(DES_CBC, "des-cbc") \
- _(3DES_CBC, "3des-cbc") \
- _(AES_128_CBC, "aes-128-cbc") \
- _(AES_192_CBC, "aes-192-cbc") \
- _(AES_256_CBC, "aes-256-cbc")
-
+ _(DES_CBC, "des-cbc", 7) \
+ _(3DES_CBC, "3des-cbc", 24) \
+ _(AES_128_CBC, "aes-128-cbc", 16) \
+ _(AES_192_CBC, "aes-192-cbc", 24) \
+ _(AES_256_CBC, "aes-256-cbc", 32) \
+ _(AES_128_CTR, "aes-128-ctr", 16) \
+ _(AES_192_CTR, "aes-192-ctr", 24) \
+ _(AES_256_CTR, "aes-256-ctr", 32)
+
+/* CRYPTO_ID, PRETTY_NAME, KEY_LENGTH_IN_BYTES */
#define foreach_crypto_aead_alg \
- _(AES_128_GCM, "aes-128-gcm") \
- _(AES_192_GCM, "aes-192-gcm") \
- _(AES_256_GCM, "aes-256-gcm")
+ _(AES_128_GCM, "aes-128-gcm", 16) \
+ _(AES_192_GCM, "aes-192-gcm", 24) \
+ _(AES_256_GCM, "aes-256-gcm", 32)
#define foreach_crypto_hmac_alg \
_(MD5, "md5") \
_(PENDING, "pending") \
_(COMPLETED, "completed") \
_(FAIL_NO_HANDLER, "no-handler") \
- _(FAIL_BAD_HMAC, "bad-hmac") \
- _(FAIL_DECRYPT, "decrypt-fail")
+ _(FAIL_BAD_HMAC, "bad-hmac")
+
+typedef enum
+{
+ VNET_CRYPTO_KEY_OP_ADD,
+ VNET_CRYPTO_KEY_OP_DEL,
+ VNET_CRYPTO_KEY_OP_MODIFY,
+} vnet_crypto_key_op_t;
typedef enum
{
/* *INDENT-OFF* */
typedef enum
{
-#define _(n, s) VNET_CRYPTO_ALG_##n,
+ VNET_CRYPTO_ALG_NONE = 0,
+#define _(n, s, l) VNET_CRYPTO_ALG_##n,
foreach_crypto_cipher_alg
foreach_crypto_aead_alg
#undef _
VNET_CRYPTO_N_ALGS,
} vnet_crypto_alg_t;
+typedef struct
+{
+ u8 *data;
+ vnet_crypto_alg_t alg:8;
+} vnet_crypto_key_t;
+
typedef enum
{
VNET_CRYPTO_OP_NONE = 0,
-#define _(n, s) VNET_CRYPTO_OP_##n##_ENC, VNET_CRYPTO_OP_##n##_DEC,
+#define _(n, s, l) VNET_CRYPTO_OP_##n##_ENC, VNET_CRYPTO_OP_##n##_DEC,
foreach_crypto_cipher_alg
foreach_crypto_aead_alg
#undef _
} vnet_crypto_op_id_t;
/* *INDENT-ON* */
+typedef enum
+{
+ CRYPTO_OP_SIMPLE,
+ CRYPTO_OP_CHAINED,
+ CRYPTO_OP_BOTH,
+} crypto_op_class_type_t;
+
typedef struct
{
char *name;
vnet_crypto_op_id_t op_by_type[VNET_CRYPTO_OP_N_TYPES];
} vnet_crypto_alg_data_t;
+typedef struct
+{
+ u8 *src;
+ u8 *dst;
+ u32 len;
+} vnet_crypto_op_chunk_t;
+
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+ uword user_data;
vnet_crypto_op_id_t op:16;
vnet_crypto_op_status_t status:8;
u8 flags;
#define VNET_CRYPTO_OP_FLAG_INIT_IV (1 << 0)
#define VNET_CRYPTO_OP_FLAG_HMAC_CHECK (1 << 1)
- u32 len;
+#define VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS (1 << 2)
+
+ union
+ {
+ u8 digest_len;
+ u8 tag_len;
+ };
u16 aad_len;
- u8 key_len, iv_len, digest_len, tag_len;
- u8 *key;
+
+ union
+ {
+ struct
+ {
+ u8 *src;
+ u8 *dst;
+ };
+
+ /* valid if VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS is set */
+ u16 n_chunks;
+ };
+
+ union
+ {
+ u32 len;
+ /* valid if VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS is set */
+ u32 chunk_index;
+ };
+
+ u32 key_index;
u8 *iv;
- u8 *src;
- u8 *dst;
u8 *aad;
- u8 *tag;
- u8 *digest;
- uword user_data;
+
+ union
+ {
+ u8 *tag;
+ u8 *digest;
+ };
} vnet_crypto_op_t;
+STATIC_ASSERT_SIZEOF (vnet_crypto_op_t, CLIB_CACHE_LINE_BYTES);
+
typedef struct
{
vnet_crypto_op_type_t type;
vnet_crypto_alg_t alg;
- u32 active_engine_index;
+ u32 active_engine_index_simple;
+ u32 active_engine_index_chained;
} vnet_crypto_op_data_t;
typedef struct
clib_bitmap_t *act_queues;
} vnet_crypto_thread_t;
+typedef u32 vnet_crypto_key_index_t;
+
+typedef u32 (vnet_crypto_chained_ops_handler_t) (vlib_main_t * vm,
+ vnet_crypto_op_t * ops[],
+ vnet_crypto_op_chunk_t *
+ chunks, u32 n_ops);
+
typedef u32 (vnet_crypto_ops_handler_t) (vlib_main_t * vm,
vnet_crypto_op_t * ops[], u32 n_ops);
+typedef void (vnet_crypto_key_handler_t) (vlib_main_t * vm,
+ vnet_crypto_key_op_t kop,
+ vnet_crypto_key_index_t idx);
+
u32 vnet_crypto_register_engine (vlib_main_t * vm, char *name, int prio,
char *desc);
-vlib_error_t *vnet_crypto_register_ops_handler (vlib_main_t * vm,
- u32 provider_index,
- vnet_crypto_op_id_t opt,
- vnet_crypto_ops_handler_t *
- f);
+void vnet_crypto_register_ops_handler (vlib_main_t * vm, u32 engine_index,
+ vnet_crypto_op_id_t opt,
+ vnet_crypto_ops_handler_t * oph);
+
+void vnet_crypto_register_chained_ops_handler (vlib_main_t * vm,
+ u32 engine_index,
+ vnet_crypto_op_id_t opt,
+ vnet_crypto_chained_ops_handler_t
+ * oph);
+void vnet_crypto_register_ops_handlers (vlib_main_t * vm, u32 engine_index,
+ vnet_crypto_op_id_t opt,
+ vnet_crypto_ops_handler_t * fn,
+ vnet_crypto_chained_ops_handler_t *
+ cfn);
+
+void vnet_crypto_register_key_handler (vlib_main_t * vm, u32 engine_index,
+ vnet_crypto_key_handler_t * keyh);
typedef struct
{
char *name;
char *desc;
int priority;
+ vnet_crypto_key_handler_t *key_op_handler;
vnet_crypto_ops_handler_t *ops_handlers[VNET_CRYPTO_N_OP_IDS];
+ vnet_crypto_chained_ops_handler_t
+ * chained_ops_handlers[VNET_CRYPTO_N_OP_IDS];
} vnet_crypto_engine_t;
typedef struct
vnet_crypto_alg_data_t *algs;
vnet_crypto_thread_t *threads;
vnet_crypto_ops_handler_t **ops_handlers;
+ vnet_crypto_chained_ops_handler_t **chained_ops_handlers;
vnet_crypto_op_data_t opt_data[VNET_CRYPTO_N_OP_IDS];
vnet_crypto_engine_t *engines;
+ vnet_crypto_key_t *keys;
uword *engine_index_by_name;
uword *alg_index_by_name;
} vnet_crypto_main_t;
u32 vnet_crypto_submit_ops (vlib_main_t * vm, vnet_crypto_op_t ** jobs,
u32 n_jobs);
+u32 vnet_crypto_process_chained_ops (vlib_main_t * vm, vnet_crypto_op_t ops[],
+ vnet_crypto_op_chunk_t * chunks,
+ u32 n_ops);
u32 vnet_crypto_process_ops (vlib_main_t * vm, vnet_crypto_op_t ops[],
u32 n_ops);
+int vnet_crypto_set_handler2 (char *ops_handler_name, char *engine,
+ crypto_op_class_type_t oct);
+int vnet_crypto_is_set_handler (vnet_crypto_alg_t alg);
-int vnet_crypto_set_handler (char *ops_handler_name, char *engine);
+u32 vnet_crypto_key_add (vlib_main_t * vm, vnet_crypto_alg_t alg,
+ u8 * data, u16 length);
+void vnet_crypto_key_del (vlib_main_t * vm, vnet_crypto_key_index_t index);
format_function_t format_vnet_crypto_alg;
format_function_t format_vnet_crypto_engine;
clib_memset (op, 0xfe, sizeof (*op));
op->op = type;
op->flags = 0;
+ op->key_index = ~0;
+ op->n_chunks = 0;
}
static_always_inline vnet_crypto_op_type_t
vnet_crypto_get_op_type (vnet_crypto_op_id_t id)
{
vnet_crypto_main_t *cm = &crypto_main;
- vnet_crypto_op_data_t *od = vec_elt_at_index (cm->opt_data, id);
+ ASSERT (id < VNET_CRYPTO_N_OP_IDS);
+ vnet_crypto_op_data_t *od = cm->opt_data + id;
return od->type;
}
+static_always_inline vnet_crypto_key_t *
+vnet_crypto_get_key (vnet_crypto_key_index_t index)
+{
+ vnet_crypto_main_t *cm = &crypto_main;
+ return vec_elt_at_index (cm->keys, index);
+}
+
+static_always_inline int
+vnet_crypto_set_handler (char *alg_name, char *engine)
+{
+ return vnet_crypto_set_handler2 (alg_name, engine, CRYPTO_OP_BOTH);
+}
+
#endif /* included_vnet_crypto_crypto_h */
/*