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| 2 | |
| 3 | * AES-ECB unauthenticated encryption and decryption
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| 4 | *
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| 5 | * Copyright 2026 Google LLC
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| 6 |
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| 7 | #ifndef _CRYPTO_AES_ECB_H
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| 8 | #define _CRYPTO_AES_ECB_H
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| 9 |
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| 10 | #include <crypto/aes.h>
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| 11 |
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| 12 | |
| 13 | * aes_ecb_encrypt() - Encrypt data using AES-ECB
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| 14 | * @dst: The destination buffer. Can be in-place or out-of-place. For other
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| 15 | * overlaps the behavior is unspecified.
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| 16 | * @src: The source data
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| 17 | * @len: Number of bytes to encrypt. Must be a multiple of AES_BLOCK_SIZE.
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| 18 | * @key: The key, already prepared using aes_preparekey() or aes_prepareenckey()
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| 19 | *
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| 20 | * ECB mode is insecure by itself. This function exists only for compatibility
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| 21 | * with legacy protocols and for internal use by other modes.
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| 22 | *
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| 23 | * This supports incremental encryption, but the length of each chunk must be a
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| 24 | * multiple of AES_BLOCK_SIZE.
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| 25 | *
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| 26 | * Context: Any context.
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| 27 |
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| 28 | void aes_ecb_encrypt(u8 *dst, const u8 *src, size_t len, aes_encrypt_arg key);
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| 29 |
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| 30 | |
| 31 | * aes_ecb_decrypt() - Decrypt data using AES-ECB
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| 32 | * @dst: The destination buffer. Can be in-place or out-of-place. For other
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| 33 | * overlaps the behavior is unspecified.
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| 34 | * @src: The source data
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| 35 | * @len: Number of bytes to decrypt. Must be a multiple of AES_BLOCK_SIZE.
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| 36 | * @key: The key, already prepared using aes_preparekey()
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| 37 | *
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| 38 | * ECB mode is insecure by itself. This function exists only for compatibility
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| 39 | * with legacy protocols and for internal use by other modes.
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| 40 | *
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| 41 | * This supports incremental decryption, but the length of each chunk must be a
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| 42 | * multiple of AES_BLOCK_SIZE.
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| 43 | *
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| 44 | * Context: Any context.
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| 45 |
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| 46 | void aes_ecb_decrypt(u8 *dst, const u8 *src, size_t len,
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| 47 | const struct aes_key *key);
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| 48 |
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| 49 | #endif
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