46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
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#if defined(WITH_SSL) || defined(WITH_LIBCRYPTO)
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# include <openssl/aes.h>
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#else
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#ifndef HEADER_AES_H
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#define HEADER_AES_H
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#define AES_ENCRYPT 1
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#define AES_DECRYPT 0
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/* Because array size can't be a const in C, the following two are macros.
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Both sizes are in bytes. */
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#define AES_MAXNR 14
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#define AES_BLOCK_SIZE 16
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# define GETU32(pt) (((uint32_t)(pt)[0] << 24) ^ ((uint32_t)(pt)[1] << 16) ^ ((uint32_t)(pt)[2] << 8) ^ ((uint32_t)(pt)[3]))
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# define PUTU32(ct, st) { (ct)[0] = (uint8_t)((st) >> 24); (ct)[1] = (uint8_t)((st) >> 16); (ct)[2] = (uint8_t)((st) >> 8); (ct)[3] = (uint8_t)(st); }
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#include <stdint.h>
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#define MAXKC (256/32)
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#define MAXKB (256/8)
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#define MAXNR 14
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/* This controls loop-unrolling in aes_core.c */
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#undef FULL_UNROLL
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/* This should be a hidden type, but EVP requires that the size be known */
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struct aes_key_st
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{
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uint32_t rd_key[4 * (AES_MAXNR + 1)];
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int rounds;
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};
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typedef struct aes_key_st AES_KEY;
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int AES_set_encrypt_key(const uint8_t *userKey, const int bits, AES_KEY *key);
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int AES_set_decrypt_key(const uint8_t *userKey, const int bits, AES_KEY *key);
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void AES_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key);
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void AES_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key);
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void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, const unsigned long length,
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const AES_KEY *key, uint8_t *ivec, const int enc);
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#endif /* !HEADER_AES_H */
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#endif
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