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31 lines
811 B
C
31 lines
811 B
C
#ifndef RIJNDAEL_H
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#define RIJNDAEL_H
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#include <qpdf/qpdf-config.h>
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#ifdef HAVE_INTTYPES_H
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# include <inttypes.h>
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#endif
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#ifdef HAVE_STDINT_H
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# include <stdint.h>
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#endif
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#include <stddef.h>
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unsigned int rijndaelSetupEncrypt(uint32_t* rk, const unsigned char* key, size_t keybits);
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unsigned int rijndaelSetupDecrypt(uint32_t* rk, const unsigned char* key, size_t keybits);
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void rijndaelEncrypt(
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const uint32_t* rk,
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unsigned int nrounds,
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const unsigned char plaintext[16],
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unsigned char ciphertext[16]);
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void rijndaelDecrypt(
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const uint32_t* rk,
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unsigned int nrounds,
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const unsigned char ciphertext[16],
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unsigned char plaintext[16]);
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#define KEYLENGTH(keybits) ((keybits) / 8)
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#define RKLENGTH(keybits) ((keybits) / 8 + 28)
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#define NROUNDS(keybits) ((keybits) / 32 + 6)
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#endif
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