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-rw-r--r--src/plugins/crypto_native/aes_cbc_neon.h208
1 files changed, 0 insertions, 208 deletions
diff --git a/src/plugins/crypto_native/aes_cbc_neon.h b/src/plugins/crypto_native/aes_cbc_neon.h
deleted file mode 100644
index 4a9c3cd3986..00000000000
--- a/src/plugins/crypto_native/aes_cbc_neon.h
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- *------------------------------------------------------------------
- * Copyright (c) 2020 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *------------------------------------------------------------------
- */
-
-#ifdef __aarch64__
-
-static_always_inline void
-aes_cbc_dec (u8x16 * k, u8 * src, u8 * dst, u8 * iv, int count, int rounds)
-{
- u8x16 r0, r1, r2, r3, c0, c1, c2, c3, f;
-
- f = vld1q_u8 (iv);
-
- while (count >= 64)
- {
- c0 = r0 = vld1q_u8 (src);
- c1 = r1 = vld1q_u8 (src + 16);
- c2 = r2 = vld1q_u8 (src + 32);
- c3 = r3 = vld1q_u8 (src + 48);
- for (int i = 0; i < rounds - 1; i++)
- {
- r0 = vaesimcq_u8 (vaesdq_u8 (r0, k[i]));
- r1 = vaesimcq_u8 (vaesdq_u8 (r1, k[i]));
- r2 = vaesimcq_u8 (vaesdq_u8 (r2, k[i]));
- r3 = vaesimcq_u8 (vaesdq_u8 (r3, k[i]));
- }
- r0 = vaesdq_u8 (r0, k[rounds - 1]) ^ k[rounds];
- r1 = vaesdq_u8 (r1, k[rounds - 1]) ^ k[rounds];
- r2 = vaesdq_u8 (r2, k[rounds - 1]) ^ k[rounds];
- r3 = vaesdq_u8 (r3, k[rounds - 1]) ^ k[rounds];
- vst1q_u8 (dst, r0 ^ f);
- vst1q_u8 (dst + 16, r1 ^ c0);
- vst1q_u8 (dst + 32, r2 ^ c1);
- vst1q_u8 (dst + 48, r3 ^ c2);
- f = c3;
-
- src += 64;
- dst += 64;
- count -= 64;
- }
-
- while (count >= 16)
- {
- c0 = r0 = vld1q_u8 (src);
- for (int i = 0; i < rounds - 1; i++)
- r0 = vaesimcq_u8 (vaesdq_u8 (r0, k[i]));
- r0 = vaesdq_u8 (r0, k[rounds - 1]) ^ k[rounds];
- vst1q_u8 (dst, r0 ^ f);
- f = c0;
-
- src += 16;
- dst += 16;
- count -= 16;
- }
-}
-
-static_always_inline u32
-aesni_ops_enc_aes_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[],
- u32 n_ops, aes_key_size_t ks)
-{
- crypto_native_main_t *cm = &crypto_native_main;
- crypto_native_per_thread_data_t *ptd =
- vec_elt_at_index (cm->per_thread_data, vm->thread_index);
- int rounds = AES_KEY_ROUNDS (ks);
- u8 dummy[8192];
- u32 i, j, count, n_left = n_ops;
- u32x4 dummy_mask = { };
- u32x4 len = { };
- vnet_crypto_key_index_t key_index[4];
- u8 *src[4] = { };
- u8 *dst[4] = { };
- u8x16 r[4] = { };
- u8x16 k[15][4] = { };
-
- for (i = 0; i < 4; i++)
- key_index[i] = ~0;
-
-more:
- for (i = 0; i < 4; i++)
- if (len[i] == 0)
- {
- if (n_left == 0)
- {
- /* no more work to enqueue, so we are enqueueing dummy buffer */
- src[i] = dst[i] = dummy;
- len[i] = sizeof (dummy);
- dummy_mask[i] = 0;
- }
- else
- {
- if (ops[0]->flags & VNET_CRYPTO_OP_FLAG_INIT_IV)
- {
- r[i] = ptd->cbc_iv[i];
- vst1q_u8 (ops[0]->iv, r[i]);
- ptd->cbc_iv[i] = vaeseq_u8 (r[i], r[i]);
- }
- else
- r[i] = vld1q_u8 (ops[0]->iv);
-
- src[i] = ops[0]->src;
- dst[i] = ops[0]->dst;
- len[i] = ops[0]->len;
- dummy_mask[i] = ~0;
- if (key_index[i] != ops[0]->key_index)
- {
- aes_cbc_key_data_t *kd;
- key_index[i] = ops[0]->key_index;
- kd = (aes_cbc_key_data_t *) cm->key_data[key_index[i]];
- for (j = 0; j < rounds + 1; j++)
- k[j][i] = kd->encrypt_key[j];
- }
- ops[0]->status = VNET_CRYPTO_OP_STATUS_COMPLETED;
- n_left--;
- ops++;
- }
- }
-
- count = u32x4_min_scalar (len);
-
- ASSERT (count % 16 == 0);
-
- for (i = 0; i < count; i += 16)
- {
- r[0] ^= vld1q_u8 (src[0] + i);
- r[1] ^= vld1q_u8 (src[1] + i);
- r[2] ^= vld1q_u8 (src[2] + i);
- r[3] ^= vld1q_u8 (src[3] + i);
- for (j = 0; j < rounds - 1; j++)
- {
- r[0] = vaesmcq_u8 (vaeseq_u8 (r[0], k[j][0]));
- r[1] = vaesmcq_u8 (vaeseq_u8 (r[1], k[j][1]));
- r[2] = vaesmcq_u8 (vaeseq_u8 (r[2], k[j][2]));
- r[3] = vaesmcq_u8 (vaeseq_u8 (r[3], k[j][3]));
- }
- r[0] = vaeseq_u8 (r[0], k[j][0]) ^ k[rounds][0];
- r[1] = vaeseq_u8 (r[1], k[j][1]) ^ k[rounds][1];
- r[2] = vaeseq_u8 (r[2], k[j][2]) ^ k[rounds][2];
- r[3] = vaeseq_u8 (r[3], k[j][3]) ^ k[rounds][3];
- vst1q_u8 (dst[0] + i, r[0]);
- vst1q_u8 (dst[1] + i, r[1]);
- vst1q_u8 (dst[2] + i, r[2]);
- vst1q_u8 (dst[3] + i, r[3]);
- }
-
- for (i = 0; i < 4; i++)
- {
- src[i] += count;
- dst[i] += count;
- len[i] -= count;
- }
-
- if (n_left > 0)
- goto more;
-
- if (!u32x4_is_all_zero (len & dummy_mask))
- goto more;
-
- return n_ops;
-}
-
-static_always_inline u32
-aesni_ops_dec_aes_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[],
- u32 n_ops, aes_key_size_t ks)
-{
- crypto_native_main_t *cm = &crypto_native_main;
- int rounds = AES_KEY_ROUNDS (ks);
- vnet_crypto_op_t *op = ops[0];
- aes_cbc_key_data_t *kd = (aes_cbc_key_data_t *) cm->key_data[op->key_index];
- u32 n_left = n_ops;
-
- ASSERT (n_ops >= 1);
-
-decrypt:
- aes_cbc_dec (kd->decrypt_key, op->src, op->dst, op->iv, op->len, rounds);
- op->status = VNET_CRYPTO_OP_STATUS_COMPLETED;
-
- if (--n_left)
- {
- op += 1;
- kd = (aes_cbc_key_data_t *) cm->key_data[op->key_index];
- goto decrypt;
- }
-
- return n_ops;
-}
-
-#endif
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */