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-rw-r--r--src/plugins/quic/quic.c9
-rw-r--r--src/plugins/quic/quic.h3
-rw-r--r--src/plugins/quic/quic_crypto.c67
3 files changed, 59 insertions, 20 deletions
diff --git a/src/plugins/quic/quic.c b/src/plugins/quic/quic.c
index 26f2216a3d8..499eb8bc776 100644
--- a/src/plugins/quic/quic.c
+++ b/src/plugins/quic/quic.c
@@ -2563,14 +2563,19 @@ quic_init (vlib_main_t * vm)
qm->vnet_crypto_enabled = 1;
if (qm->vnet_crypto_enabled == 1)
{
+ u8 empty_key[32] = {};
quic_register_cipher_suite (CRYPTO_ENGINE_VPP,
quic_crypto_cipher_suites);
qm->default_crypto_engine = CRYPTO_ENGINE_VPP;
+ vec_validate (qm->per_thread_crypto_key_indices, num_threads);
+ for (i = 0; i < num_threads; i++)
+ {
+ qm->per_thread_crypto_key_indices[i] = vnet_crypto_key_add (
+ vm, VNET_CRYPTO_ALG_AES_256_CTR, empty_key, 32);
+ }
}
qm->max_packets_per_key = DEFAULT_MAX_PACKETS_PER_KEY;
- clib_rwlock_init (&qm->crypto_keys_quic_rw_lock);
-
qm->default_quic_cc = QUIC_CC_RENO;
vec_free (a->name);
diff --git a/src/plugins/quic/quic.h b/src/plugins/quic/quic.h
index 901bdbc39b2..2c5a21c01a4 100644
--- a/src/plugins/quic/quic.h
+++ b/src/plugins/quic/quic.h
@@ -263,8 +263,7 @@ typedef struct quic_main_
u32 connection_timeout;
u8 vnet_crypto_enabled;
-
- clib_rwlock_t crypto_keys_quic_rw_lock;
+ u32 *per_thread_crypto_key_indices;
} quic_main_t;
#endif /* __included_quic_h__ */
diff --git a/src/plugins/quic/quic_crypto.c b/src/plugins/quic/quic_crypto.c
index 602b3f8570c..9931ab56b76 100644
--- a/src/plugins/quic/quic_crypto.c
+++ b/src/plugins/quic/quic_crypto.c
@@ -15,9 +15,11 @@
#include <quic/quic.h>
#include <quic/quic_crypto.h>
+#include <vnet/session/session.h>
#include <quicly.h>
#include <picotls/openssl.h>
+#include <pthread.h>
#define QUICLY_EPOCH_1RTT 3
@@ -25,12 +27,19 @@ extern quic_main_t quic_main;
extern quic_ctx_t *quic_get_conn_ctx (quicly_conn_t * conn);
vnet_crypto_main_t *cm = &crypto_main;
+typedef struct crypto_key_
+{
+ vnet_crypto_alg_t algo;
+ u8 key[32];
+ u16 key_len;
+} crypto_key_t;
+
struct cipher_context_t
{
ptls_cipher_context_t super;
vnet_crypto_op_t op;
vnet_crypto_op_id_t id;
- u32 key_index;
+ crypto_key_t key;
};
struct aead_crypto_context_t
@@ -39,7 +48,8 @@ struct aead_crypto_context_t
EVP_CIPHER_CTX *evp_ctx;
uint8_t static_iv[PTLS_MAX_IV_SIZE];
vnet_crypto_op_t op;
- u32 key_index;
+ crypto_key_t key;
+
vnet_crypto_op_id_t id;
uint8_t iv[PTLS_MAX_IV_SIZE];
};
@@ -114,6 +124,29 @@ Exit:
return ret;
}
+static u32
+quic_crypto_set_key (crypto_key_t *key)
+{
+ u8 thread_index = vlib_get_thread_index ();
+ u32 key_id = quic_main.per_thread_crypto_key_indices[thread_index];
+ vnet_crypto_key_t *vnet_key = vnet_crypto_get_key (key_id);
+ vlib_main_t *vm = vlib_get_main ();
+ vnet_crypto_engine_t *engine;
+
+ vec_foreach (engine, cm->engines)
+ if (engine->key_op_handler)
+ engine->key_op_handler (vm, VNET_CRYPTO_KEY_OP_DEL, key_id);
+
+ vnet_key->alg = key->algo;
+ clib_memcpy (vnet_key->data, key->key, key->key_len);
+
+ vec_foreach (engine, cm->engines)
+ if (engine->key_op_handler)
+ engine->key_op_handler (vm, VNET_CRYPTO_KEY_OP_ADD, key_id);
+
+ return key_id;
+}
+
static size_t
quic_crypto_aead_decrypt (quic_ctx_t *qctx, ptls_aead_context_t *_ctx,
void *_output, const void *input, size_t inlen,
@@ -132,7 +165,7 @@ quic_crypto_aead_decrypt (quic_ctx_t *qctx, ptls_aead_context_t *_ctx,
decrypted_pn);
ctx->op.src = (u8 *) input;
ctx->op.dst = _output;
- ctx->op.key_index = ctx->key_index;
+ ctx->op.key_index = quic_crypto_set_key (&ctx->key);
ctx->op.len = inlen - ctx->super.algo->tag_size;
ctx->op.tag_len = ctx->super.algo->tag_size;
ctx->op.tag = ctx->op.src + ctx->op.len;
@@ -260,7 +293,7 @@ quic_crypto_encrypt_packet (struct st_quicly_crypto_engine_t *engine,
aead_ctx->op.iv = aead_ctx->iv;
ptls_aead__build_iv (aead_ctx->super.algo, aead_ctx->op.iv,
aead_ctx->static_iv, packet_number);
- aead_ctx->op.key_index = aead_ctx->key_index;
+ aead_ctx->op.key_index = quic_crypto_set_key (&aead_ctx->key);
aead_ctx->op.src = (u8 *) input;
aead_ctx->op.dst = output;
aead_ctx->op.len = inlen;
@@ -280,7 +313,8 @@ quic_crypto_encrypt_packet (struct st_quicly_crypto_engine_t *engine,
vnet_crypto_op_init (&hp_ctx->op, hp_ctx->id);
memset (supp.output, 0, sizeof (supp.output));
hp_ctx->op.iv = (u8 *) supp.input;
- hp_ctx->op.key_index = hp_ctx->key_index;
+ hp_ctx->op.key_index = quic_crypto_set_key (&hp_ctx->key);
+ ;
hp_ctx->op.src = (u8 *) supp.output;
hp_ctx->op.dst = (u8 *) supp.output;
hp_ctx->op.len = sizeof (supp.output);
@@ -301,7 +335,6 @@ quic_crypto_cipher_setup_crypto (ptls_cipher_context_t *_ctx, int is_enc,
{
struct cipher_context_t *ctx = (struct cipher_context_t *) _ctx;
- vlib_main_t *vm = vlib_get_main ();
vnet_crypto_alg_t algo;
if (!strcmp (ctx->super.algo->name, "AES128-CTR"))
{
@@ -326,10 +359,12 @@ quic_crypto_cipher_setup_crypto (ptls_cipher_context_t *_ctx, int is_enc,
if (quic_main.vnet_crypto_enabled)
{
- clib_rwlock_writer_lock (&quic_main.crypto_keys_quic_rw_lock);
- ctx->key_index =
- vnet_crypto_key_add (vm, algo, (u8 *) key, _ctx->algo->key_size);
- clib_rwlock_writer_unlock (&quic_main.crypto_keys_quic_rw_lock);
+ // ctx->key_index =
+ // quic_crypto_go_setup_key (algo, key, _ctx->algo->key_size);
+ ctx->key.algo = algo;
+ ctx->key.key_len = _ctx->algo->key_size;
+ assert (ctx->key.key_len <= 32);
+ clib_memcpy (&ctx->key.key, key, ctx->key.key_len);
}
return 0;
@@ -354,7 +389,6 @@ quic_crypto_aead_setup_crypto (ptls_aead_context_t *_ctx, int is_enc,
const void *key, const void *iv,
const EVP_CIPHER *cipher)
{
- vlib_main_t *vm = vlib_get_main ();
struct aead_crypto_context_t *ctx = (struct aead_crypto_context_t *) _ctx;
vnet_crypto_alg_t algo;
@@ -382,11 +416,12 @@ quic_crypto_aead_setup_crypto (ptls_aead_context_t *_ctx, int is_enc,
if (quic_main.vnet_crypto_enabled)
{
clib_memcpy (ctx->static_iv, iv, ctx->super.algo->iv_size);
-
- clib_rwlock_writer_lock (&quic_main.crypto_keys_quic_rw_lock);
- ctx->key_index = vnet_crypto_key_add (vm, algo,
- (u8 *) key, _ctx->algo->key_size);
- clib_rwlock_writer_unlock (&quic_main.crypto_keys_quic_rw_lock);
+ // ctx->key_index =
+ // quic_crypto_go_setup_key (algo, key, _ctx->algo->key_size);
+ ctx->key.algo = algo;
+ ctx->key.key_len = _ctx->algo->key_size;
+ assert (ctx->key.key_len <= 32);
+ clib_memcpy (&ctx->key.key, key, ctx->key.key_len);
}
return 0;