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41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
#ifndef HACTOOL_AES_H
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#define HACTOOL_AES_H
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#include "mbedtls/cipher.h"
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#include "mbedtls/cmac.h"
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/* Enumerations. */
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typedef enum {
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AES_MODE_ECB = MBEDTLS_CIPHER_AES_128_ECB,
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AES_MODE_CTR = MBEDTLS_CIPHER_AES_128_CTR,
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AES_MODE_XTS = MBEDTLS_CIPHER_AES_128_XTS,
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AES_MODE_CBC = MBEDTLS_CIPHER_AES_128_CBC
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} aes_mode_t;
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typedef enum {
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AES_DECRYPT = MBEDTLS_DECRYPT,
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AES_ENCRYPT = MBEDTLS_ENCRYPT,
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} aes_operation_t;
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/* Define structs. */
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typedef struct {
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mbedtls_cipher_context_t cipher_enc;
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mbedtls_cipher_context_t cipher_dec;
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} aes_ctx_t;
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/* Function prototypes. */
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aes_ctx_t *new_aes_ctx(const void *key, unsigned int key_size, aes_mode_t mode);
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void free_aes_ctx(aes_ctx_t *ctx);
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void aes_setiv(aes_ctx_t *ctx, const void *iv, size_t l);
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void aes_encrypt(aes_ctx_t *ctx, void *dst, const void *src, size_t l);
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void aes_decrypt(aes_ctx_t *ctx, void *dst, const void *src, size_t l);
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void aes_calculate_cmac(void *dst, void *src, size_t size, const void *key);
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void aes_xts_encrypt(aes_ctx_t *ctx, void *dst, const void *src, size_t l, size_t sector, size_t sector_size);
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void aes_xts_decrypt(aes_ctx_t *ctx, void *dst, const void *src, size_t l, size_t sector, size_t sector_size);
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#endif
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