#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
extern quic_main_t quic_main;
-extern quic_ctx_t *quic_get_conn_ctx (quicly_conn_t * conn);
+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
{
ptls_aead_context_t super;
+ 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];
- uint8_t static_iv[PTLS_MAX_IV_SIZE];
};
static int
int ret;
*packet_protect_ctx = NULL;
-
/* generate new header protection key */
if (header_protect_ctx != NULL)
{
*header_protect_ctx = NULL;
- if ((ret = ptls_hkdf_expand_label (
- hash, hpkey, aead->ctr_cipher->key_size,
- ptls_iovec_init (secret, hash->digest_size), "quic hp",
- ptls_iovec_init (NULL, 0), NULL)) != 0)
+ ret =
+ ptls_hkdf_expand_label (hash, hpkey, aead->ctr_cipher->key_size,
+ ptls_iovec_init (secret, hash->digest_size),
+ "quic hp", ptls_iovec_init (NULL, 0), NULL);
+ if (ret)
goto Exit;
- if ((*header_protect_ctx =
- ptls_cipher_new (aead->ctr_cipher, is_enc, hpkey)) == NULL)
+ *header_protect_ctx = ptls_cipher_new (aead->ctr_cipher, is_enc, hpkey);
+ if (NULL == *header_protect_ctx)
{
ret = PTLS_ERROR_NO_MEMORY;
goto Exit;
}
/* generate new AEAD context */
- if ((*packet_protect_ctx = ptls_aead_new (aead, hash, is_enc, secret,
- QUICLY_AEAD_BASE_LABEL)) == NULL)
+ *packet_protect_ctx =
+ ptls_aead_new (aead, hash, is_enc, secret, QUICLY_AEAD_BASE_LABEL);
+ if (NULL == *packet_protect_ctx)
{
ret = PTLS_ERROR_NO_MEMORY;
goto Exit;
Exit:
if (ret)
{
- if (packet_protect_ctx && *packet_protect_ctx != NULL)
+ if (*packet_protect_ctx != NULL)
{
ptls_aead_free (*packet_protect_ctx);
*packet_protect_ctx = NULL;
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,
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;
}
void
-quic_crypto_decrypt_packet (quic_ctx_t * qctx, quic_rx_packet_ctx_t * pctx)
+quic_crypto_decrypt_packet (quic_ctx_t *qctx, quic_rx_packet_ctx_t *pctx)
{
ptls_cipher_context_t *header_protection = NULL;
ptls_aead_context_t *aead = NULL;
/* decipher the header protection, as well as obtaining pnbits, pnlen */
if (encrypted_len < header_protection->algo->iv_size + QUICLY_MAX_PN_SIZE)
return;
- ptls_cipher_init (header_protection,
- pctx->packet.octets.base + pctx->packet.encrypted_off +
- QUICLY_MAX_PN_SIZE);
+ ptls_cipher_init (header_protection, pctx->packet.octets.base +
+ pctx->packet.encrypted_off +
+ QUICLY_MAX_PN_SIZE);
ptls_cipher_encrypt (header_protection, hpmask, hpmask, sizeof (hpmask));
pctx->packet.octets.base[0] ^=
- hpmask[0] & (QUICLY_PACKET_IS_LONG_HEADER (pctx->packet.octets.base[0]) ?
- 0xf : 0x1f);
+ hpmask[0] &
+ (QUICLY_PACKET_IS_LONG_HEADER (pctx->packet.octets.base[0]) ? 0xf : 0x1f);
pnlen = (pctx->packet.octets.base[0] & 0x3) + 1;
for (i = 0; i != pnlen; ++i)
{
pctx->packet.octets.base[pctx->packet.encrypted_off + i] ^=
hpmask[i + 1];
- pnbits =
- (pnbits << 8) | pctx->packet.octets.base[pctx->packet.encrypted_off +
- i];
+ pnbits = (pnbits << 8) |
+ pctx->packet.octets.base[pctx->packet.encrypted_off + i];
}
size_t aead_off = pctx->packet.encrypted_off + pnlen;
- pn =
- quicly_determine_packet_number (pnbits, pnlen * 8,
- next_expected_packet_number);
+ pn = quicly_determine_packet_number (pnbits, pnlen * 8,
+ next_expected_packet_number);
int key_phase_bit =
(pctx->packet.octets.base[0] & QUICLY_KEY_PHASE_BIT) != 0;
pctx->packet.octets.base[0] ^=
hpmask[0] &
(QUICLY_PACKET_IS_LONG_HEADER (pctx->packet.octets.base[0]) ? 0xf :
- 0x1f);
+ 0x1f);
for (i = 0; i != pnlen; ++i)
{
pctx->packet.octets.base[pctx->packet.encrypted_off + i] ^=
pctx->packet.octets.len - aead_off, pn, pctx->packet.octets.base,
aead_off)) == SIZE_MAX)
{
- fprintf (stderr,
- "%s: aead decryption failure (pn: %d)\n", __FUNCTION__, pn);
+ fprintf (stderr, "%s: aead decryption failure (pn: %d)\n", __FUNCTION__,
+ pn);
return;
}
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;
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);
{
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"))
{
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;
}
static int
-quic_crypto_aes128ctr_setup_crypto (ptls_cipher_context_t * ctx, int is_enc,
+quic_crypto_aes128ctr_setup_crypto (ptls_cipher_context_t *ctx, int is_enc,
const void *key)
{
return quic_crypto_cipher_setup_crypto (ctx, 1, key, EVP_aes_128_ctr ());
}
static int
-quic_crypto_aes256ctr_setup_crypto (ptls_cipher_context_t * ctx, int is_enc,
+quic_crypto_aes256ctr_setup_crypto (ptls_cipher_context_t *ctx, int is_enc,
const void *key)
{
return quic_crypto_cipher_setup_crypto (ctx, 1, key, EVP_aes_256_ctr ());
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;
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;
quic_crypto_aes256ctr_setup_crypto
};
+#define PTLS_X86_CACHE_LINE_ALIGN_BITS 6
ptls_aead_algorithm_t quic_crypto_aes128gcm = {
"AES128-GCM",
+ PTLS_AESGCM_CONFIDENTIALITY_LIMIT,
+ PTLS_AESGCM_INTEGRITY_LIMIT,
&quic_crypto_aes128ctr,
&ptls_openssl_aes128ecb,
PTLS_AES128_KEY_SIZE,
PTLS_AESGCM_IV_SIZE,
PTLS_AESGCM_TAG_SIZE,
+ { PTLS_TLS12_AESGCM_FIXED_IV_SIZE, PTLS_TLS12_AESGCM_RECORD_IV_SIZE },
+ 1,
+ PTLS_X86_CACHE_LINE_ALIGN_BITS,
sizeof (struct aead_crypto_context_t),
quic_crypto_aead_aes128gcm_setup_crypto
};
ptls_aead_algorithm_t quic_crypto_aes256gcm = {
"AES256-GCM",
+ PTLS_AESGCM_CONFIDENTIALITY_LIMIT,
+ PTLS_AESGCM_INTEGRITY_LIMIT,
&quic_crypto_aes256ctr,
&ptls_openssl_aes256ecb,
PTLS_AES256_KEY_SIZE,
PTLS_AESGCM_IV_SIZE,
PTLS_AESGCM_TAG_SIZE,
+ { PTLS_TLS12_AESGCM_FIXED_IV_SIZE, PTLS_TLS12_AESGCM_RECORD_IV_SIZE },
+ 1,
+ PTLS_X86_CACHE_LINE_ALIGN_BITS,
sizeof (struct aead_crypto_context_t),
quic_crypto_aead_aes256gcm_setup_crypto
};
ptls_cipher_suite_t quic_crypto_aes128gcmsha256 = {
- PTLS_CIPHER_SUITE_AES_128_GCM_SHA256,
- &quic_crypto_aes128gcm, &ptls_openssl_sha256
+ PTLS_CIPHER_SUITE_AES_128_GCM_SHA256, &quic_crypto_aes128gcm,
+ &ptls_openssl_sha256
};
ptls_cipher_suite_t quic_crypto_aes256gcmsha384 = {
- PTLS_CIPHER_SUITE_AES_256_GCM_SHA384,
- &quic_crypto_aes256gcm, &ptls_openssl_sha384
+ PTLS_CIPHER_SUITE_AES_256_GCM_SHA384, &quic_crypto_aes256gcm,
+ &ptls_openssl_sha384
};
ptls_cipher_suite_t *quic_crypto_cipher_suites[] = {
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