_(SHA512, EVP_sha512)
static_always_inline u32
-openssl_ops_enc_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops,
+openssl_ops_enc_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[],
+ vnet_crypto_op_chunk_t * chunks, u32 n_ops,
const EVP_CIPHER * cipher)
{
openssl_per_thread_data_t *ptd = vec_elt_at_index (per_thread_data,
vm->thread_index);
EVP_CIPHER_CTX *ctx = ptd->evp_cipher_ctx;
- u32 i;
+ vnet_crypto_op_chunk_t *chp;
+ u32 i, j, curr_len = 0;
+ u8 out_buf[VLIB_BUFFER_DEFAULT_DATA_SIZE * 5];
+
for (i = 0; i < n_ops; i++)
{
vnet_crypto_op_t *op = ops[i];
vnet_crypto_key_t *key = vnet_crypto_get_key (op->key_index);
int out_len;
+ int iv_len;
+
+ if (op->op == VNET_CRYPTO_OP_3DES_CBC_ENC)
+ iv_len = 8;
+ else
+ iv_len = 16;
if (op->flags & VNET_CRYPTO_OP_FLAG_INIT_IV)
- RAND_bytes (op->iv, 16);
+ RAND_bytes (op->iv, iv_len);
EVP_EncryptInit_ex (ctx, cipher, NULL, key->data, op->iv);
- EVP_EncryptUpdate (ctx, op->dst, &out_len, op->src, op->len);
- if (out_len < op->len)
- EVP_EncryptFinal_ex (ctx, op->dst + out_len, &out_len);
+
+ if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)
+ EVP_CIPHER_CTX_set_padding (ctx, 0);
+
+ if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)
+ {
+ chp = chunks + op->chunk_index;
+ u32 offset = 0;
+ for (j = 0; j < op->n_chunks; j++)
+ {
+ EVP_EncryptUpdate (ctx, out_buf + offset, &out_len, chp->src,
+ chp->len);
+ curr_len = chp->len;
+ offset += out_len;
+ chp += 1;
+ }
+ if (out_len < curr_len)
+ EVP_EncryptFinal_ex (ctx, out_buf + offset, &out_len);
+
+ offset = 0;
+ chp = chunks + op->chunk_index;
+ for (j = 0; j < op->n_chunks; j++)
+ {
+ clib_memcpy_fast (chp->dst, out_buf + offset, chp->len);
+ offset += chp->len;
+ chp += 1;
+ }
+ }
+ else
+ {
+ EVP_EncryptUpdate (ctx, op->dst, &out_len, op->src, op->len);
+ if (out_len < op->len)
+ EVP_EncryptFinal_ex (ctx, op->dst + out_len, &out_len);
+ }
op->status = VNET_CRYPTO_OP_STATUS_COMPLETED;
}
return n_ops;
}
static_always_inline u32
-openssl_ops_dec_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops,
+openssl_ops_dec_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[],
+ vnet_crypto_op_chunk_t * chunks, u32 n_ops,
const EVP_CIPHER * cipher)
{
openssl_per_thread_data_t *ptd = vec_elt_at_index (per_thread_data,
vm->thread_index);
EVP_CIPHER_CTX *ctx = ptd->evp_cipher_ctx;
- u32 i;
+ vnet_crypto_op_chunk_t *chp;
+ u32 i, j, curr_len = 0;
+ u8 out_buf[VLIB_BUFFER_DEFAULT_DATA_SIZE * 5];
+
for (i = 0; i < n_ops; i++)
{
vnet_crypto_op_t *op = ops[i];
int out_len;
EVP_DecryptInit_ex (ctx, cipher, NULL, key->data, op->iv);
- EVP_DecryptUpdate (ctx, op->dst, &out_len, op->src, op->len);
- if (out_len < op->len)
- EVP_DecryptFinal_ex (ctx, op->dst + out_len, &out_len);
+
+ if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)
+ EVP_CIPHER_CTX_set_padding (ctx, 0);
+
+ if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)
+ {
+ chp = chunks + op->chunk_index;
+ u32 offset = 0;
+ for (j = 0; j < op->n_chunks; j++)
+ {
+ EVP_DecryptUpdate (ctx, out_buf + offset, &out_len, chp->src,
+ chp->len);
+ curr_len = chp->len;
+ offset += out_len;
+ chp += 1;
+ }
+ if (out_len < curr_len)
+ EVP_DecryptFinal_ex (ctx, out_buf + offset, &out_len);
+
+ offset = 0;
+ chp = chunks + op->chunk_index;
+ for (j = 0; j < op->n_chunks; j++)
+ {
+ clib_memcpy_fast (chp->dst, out_buf + offset, chp->len);
+ offset += chp->len;
+ chp += 1;
+ }
+ }
+ else
+ {
+ EVP_DecryptUpdate (ctx, op->dst, &out_len, op->src, op->len);
+ if (out_len < op->len)
+ EVP_DecryptFinal_ex (ctx, op->dst + out_len, &out_len);
+ }
op->status = VNET_CRYPTO_OP_STATUS_COMPLETED;
}
return n_ops;
}
static_always_inline u32
-openssl_ops_enc_gcm (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops,
+openssl_ops_enc_gcm (vlib_main_t * vm, vnet_crypto_op_t * ops[],
+ vnet_crypto_op_chunk_t * chunks, u32 n_ops,
const EVP_CIPHER * cipher)
{
openssl_per_thread_data_t *ptd = vec_elt_at_index (per_thread_data,
vm->thread_index);
EVP_CIPHER_CTX *ctx = ptd->evp_cipher_ctx;
- u32 i;
+ vnet_crypto_op_chunk_t *chp;
+ u32 i, j;
for (i = 0; i < n_ops; i++)
{
vnet_crypto_op_t *op = ops[i];
vnet_crypto_key_t *key = vnet_crypto_get_key (op->key_index);
- u32 nonce[3];
int len;
if (op->flags & VNET_CRYPTO_OP_FLAG_INIT_IV)
RAND_bytes (op->iv, 8);
- nonce[0] = op->salt;
- clib_memcpy_fast (nonce + 1, op->iv, 8);
-
EVP_EncryptInit_ex (ctx, cipher, 0, 0, 0);
EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_GCM_SET_IVLEN, 12, NULL);
- EVP_EncryptInit_ex (ctx, 0, 0, key->data, (u8 *) nonce);
+ EVP_EncryptInit_ex (ctx, 0, 0, key->data, op->iv);
if (op->aad_len)
EVP_EncryptUpdate (ctx, NULL, &len, op->aad, op->aad_len);
- EVP_EncryptUpdate (ctx, op->dst, &len, op->src, op->len);
+ if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)
+ {
+ chp = chunks + op->chunk_index;
+ for (j = 0; j < op->n_chunks; j++)
+ {
+ EVP_EncryptUpdate (ctx, chp->dst, &len, chp->src, chp->len);
+ chp += 1;
+ }
+ }
+ else
+ EVP_EncryptUpdate (ctx, op->dst, &len, op->src, op->len);
EVP_EncryptFinal_ex (ctx, op->dst + len, &len);
EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_GCM_GET_TAG, op->tag_len, op->tag);
op->status = VNET_CRYPTO_OP_STATUS_COMPLETED;
}
static_always_inline u32
-openssl_ops_dec_gcm (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops,
+openssl_ops_dec_gcm (vlib_main_t * vm, vnet_crypto_op_t * ops[],
+ vnet_crypto_op_chunk_t * chunks, u32 n_ops,
const EVP_CIPHER * cipher)
{
openssl_per_thread_data_t *ptd = vec_elt_at_index (per_thread_data,
vm->thread_index);
EVP_CIPHER_CTX *ctx = ptd->evp_cipher_ctx;
- u32 i, n_fail = 0;
+ vnet_crypto_op_chunk_t *chp;
+ u32 i, j, n_fail = 0;
for (i = 0; i < n_ops; i++)
{
vnet_crypto_op_t *op = ops[i];
int len;
EVP_DecryptInit_ex (ctx, cipher, 0, 0, 0);
- EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_GCM_SET_IVLEN, op->iv_len, 0);
+ EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_GCM_SET_IVLEN, 12, 0);
EVP_DecryptInit_ex (ctx, 0, 0, key->data, op->iv);
if (op->aad_len)
EVP_DecryptUpdate (ctx, 0, &len, op->aad, op->aad_len);
- EVP_DecryptUpdate (ctx, op->dst, &len, op->src, op->len);
+ if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)
+ {
+ chp = chunks + op->chunk_index;
+ for (j = 0; j < op->n_chunks; j++)
+ {
+ EVP_DecryptUpdate (ctx, chp->dst, &len, chp->src, chp->len);
+ chp += 1;
+ }
+ }
+ else
+ EVP_DecryptUpdate (ctx, op->dst, &len, op->src, op->len);
EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_GCM_SET_TAG, op->tag_len, op->tag);
if (EVP_DecryptFinal_ex (ctx, op->dst + len, &len) > 0)
else
{
n_fail++;
- op->status = VNET_CRYPTO_OP_STATUS_FAIL_DECRYPT;
+ op->status = VNET_CRYPTO_OP_STATUS_FAIL_BAD_HMAC;
}
}
return n_ops - n_fail;
}
static_always_inline u32
-openssl_ops_hmac (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops,
+openssl_ops_hmac (vlib_main_t * vm, vnet_crypto_op_t * ops[],
+ vnet_crypto_op_chunk_t * chunks, u32 n_ops,
const EVP_MD * md)
{
u8 buffer[64];
openssl_per_thread_data_t *ptd = vec_elt_at_index (per_thread_data,
vm->thread_index);
HMAC_CTX *ctx = ptd->hmac_ctx;
- u32 i, n_fail = 0;
+ vnet_crypto_op_chunk_t *chp;
+ u32 i, j, n_fail = 0;
for (i = 0; i < n_ops; i++)
{
vnet_crypto_op_t *op = ops[i];
size_t sz = op->digest_len ? op->digest_len : EVP_MD_size (md);
HMAC_Init_ex (ctx, key->data, vec_len (key->data), md, NULL);
- HMAC_Update (ctx, op->src, op->len);
+ if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)
+ {
+ chp = chunks + op->chunk_index;
+ for (j = 0; j < op->n_chunks; j++)
+ {
+ HMAC_Update (ctx, chp->src, chp->len);
+ chp += 1;
+ }
+ }
+ else
+ HMAC_Update (ctx, op->src, op->len);
HMAC_Final (ctx, buffer, &out_len);
if (op->flags & VNET_CRYPTO_OP_FLAG_HMAC_CHECK)
return n_ops - n_fail;
}
-#define _(m, a, b) \
-static u32 \
-openssl_ops_enc_##a (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops) \
-{ return openssl_ops_enc_##m (vm, ops, n_ops, b ()); } \
-\
-u32 \
-openssl_ops_dec_##a (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops) \
-{ return openssl_ops_dec_##m (vm, ops, n_ops, b ()); }
+#define _(m, a, b) \
+static u32 \
+openssl_ops_enc_##a (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops) \
+{ return openssl_ops_enc_##m (vm, ops, 0, n_ops, b ()); } \
+ \
+u32 \
+openssl_ops_dec_##a (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops) \
+{ return openssl_ops_dec_##m (vm, ops, 0, n_ops, b ()); } \
+ \
+static u32 \
+openssl_ops_enc_chained_##a (vlib_main_t * vm, vnet_crypto_op_t * ops[], \
+ vnet_crypto_op_chunk_t *chunks, u32 n_ops) \
+{ return openssl_ops_enc_##m (vm, ops, chunks, n_ops, b ()); } \
+ \
+static u32 \
+openssl_ops_dec_chained_##a (vlib_main_t * vm, vnet_crypto_op_t * ops[], \
+ vnet_crypto_op_chunk_t *chunks, u32 n_ops) \
+{ return openssl_ops_dec_##m (vm, ops, chunks, n_ops, b ()); }
foreach_openssl_evp_op;
#undef _
#define _(a, b) \
static u32 \
openssl_ops_hmac_##a (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops) \
-{ return openssl_ops_hmac (vm, ops, n_ops, b ()); } \
+{ return openssl_ops_hmac (vm, ops, 0, n_ops, b ()); } \
+static u32 \
+openssl_ops_hmac_chained_##a (vlib_main_t * vm, vnet_crypto_op_t * ops[], \
+ vnet_crypto_op_chunk_t *chunks, u32 n_ops) \
+{ return openssl_ops_hmac (vm, ops, chunks, n_ops, b ()); } \
foreach_openssl_hmac_op;
#undef _
vlib_thread_main_t *tm = vlib_get_thread_main ();
openssl_per_thread_data_t *ptd;
u8 *seed_data = 0;
- clib_error_t *error;
time_t t;
pid_t pid;
- if ((error = vlib_call_init_function (vm, vnet_crypto_init)))
- return error;
-
u32 eidx = vnet_crypto_register_engine (vm, "openssl", 50, "OpenSSL");
#define _(m, a, b) \
- vnet_crypto_register_ops_handler (vm, eidx, VNET_CRYPTO_OP_##a##_ENC, \
- openssl_ops_enc_##a); \
- vnet_crypto_register_ops_handler (vm, eidx, VNET_CRYPTO_OP_##a##_DEC, \
- openssl_ops_dec_##a);
+ vnet_crypto_register_ops_handlers (vm, eidx, VNET_CRYPTO_OP_##a##_ENC, \
+ openssl_ops_enc_##a, \
+ openssl_ops_enc_chained_##a); \
+ vnet_crypto_register_ops_handlers (vm, eidx, VNET_CRYPTO_OP_##a##_DEC, \
+ openssl_ops_dec_##a, \
+ openssl_ops_dec_chained_##a); \
foreach_openssl_evp_op;
#undef _
#define _(a, b) \
- vnet_crypto_register_ops_handler (vm, eidx, VNET_CRYPTO_OP_##a##_HMAC, \
- openssl_ops_hmac_##a); \
+ vnet_crypto_register_ops_handlers (vm, eidx, VNET_CRYPTO_OP_##a##_HMAC, \
+ openssl_ops_hmac_##a, \
+ openssl_ops_hmac_chained_##a); \
foreach_openssl_hmac_op;
#undef _
return 0;
}
-VLIB_INIT_FUNCTION (crypto_openssl_init);
+/* *INDENT-OFF* */
+VLIB_INIT_FUNCTION (crypto_openssl_init) =
+{
+ .runs_after = VLIB_INITS ("vnet_crypto_init"),
+};
+/* *INDENT-ON* */
+
/* *INDENT-OFF* */
VLIB_PLUGIN_REGISTER () = {
.version = VPP_BUILD_VER,
- .description = "OpenSSL Crypto Engine Plugin",
+ .description = "OpenSSL Crypto Engine",
};
/* *INDENT-ON* */