kopia lustrzana https://github.com/espressif/esp-idf
49 wiersze
1.5 KiB
C
49 wiersze
1.5 KiB
C
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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/* padlock.c and aesni.c rely on these values! */
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#define ESP_AES_ENCRYPT 1
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#define ESP_AES_DECRYPT 0
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/* DMA AES working modes*/
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typedef enum {
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ESP_AES_BLOCK_MODE_ECB = 0,
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ESP_AES_BLOCK_MODE_CBC,
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ESP_AES_BLOCK_MODE_OFB,
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ESP_AES_BLOCK_MODE_CTR,
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ESP_AES_BLOCK_MODE_CFB8,
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ESP_AES_BLOCK_MODE_CFB128,
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ESP_AES_BLOCK_MODE_GCM,
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ESP_AES_BLOCK_MODE_MAX,
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} esp_aes_mode_t;
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/* Number of bytes in an AES block */
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#define AES_BLOCK_BYTES (16)
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/* Number of words in an AES block */
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#define AES_BLOCK_WORDS (4)
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/* Number of bytes in an IV */
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#define IV_BYTES (16)
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/* Number of words in an IV */
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#define IV_WORDS (4)
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/* Number of bytes in a GCM tag block */
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#define TAG_BYTES (16)
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/* Number of words in a GCM tag block */
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#define TAG_WORDS (4)
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#define AES_128_KEY_BYTES (128/8)
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#define AES_192_KEY_BYTES (192/8)
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#define AES_256_KEY_BYTES (256/8)
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